{"title":"Cognitive \u0026 Neuropeptide Research Peptides","description":"\u003ch2\u003eCognitive and neuropeptide research peptides in South Africa\u003c\/h2\u003e\n\u003cp\u003eThis collection covers the short regulatory peptides that laboratories use in neuropeptide, stress-response and sleep-architecture research. Each one is available in three formats, so you can match the format to your study design.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"\/products\/selank-10mg\"\u003eSelank\u003c\/a\u003e is a synthetic heptapeptide analogue of tuftsin, studied in GABAergic and anxiolytic-behaviour models. \u003ca href=\"\/products\/semax-10mg\"\u003eSemax\u003c\/a\u003e is a heptapeptide built on the ACTH(4-7) fragment with a Pro-Gly-Pro tail, studied in BDNF-expression and neuroprotection models. Researchers often compare the two, as both were developed at the Institute of Molecular Genetics in Moscow. \u003ca href=\"\/products\/dsip\"\u003eDSIP, delta sleep-inducing peptide\u003c\/a\u003e, is a nonapeptide first isolated during sleep research and is used in studies of sleep architecture and stress signalling.\u003c\/p\u003e\n\u003cp\u003eChoose a \u003cstrong\u003elyophilised vial\u003c\/strong\u003e for the longest shelf life, a \u003cstrong\u003epre-filled pen\u003c\/strong\u003e for ready-made solution, or a \u003cstrong\u003enasal spray solution\u003c\/strong\u003e for intranasal research models. Pens and sprays are made to order and dispatched by overnight cold-chain courier. Every batch is independently tested by HPLC and mass spectrometry, with certificates on our \u003ca href=\"\/pages\/coas\"\u003eCOA page\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003eFor more detail, read our \u003ca href=\"\/blogs\/peptide-blog\/semax-south-africa\"\u003eSemax research guide\u003c\/a\u003e and our guide to \u003ca href=\"\/blogs\/peptide-blog\/peptide-nasal-sprays-south-africa\"\u003epeptide nasal sprays in South Africa\u003c\/a\u003e. Delivery is free on South African orders over R2,500.\u003c\/p\u003e\n\u003ch2\u003eCognitive \u0026amp; Neuropeptide Research Peptides: frequently asked questions\u003c\/h2\u003e\n\u003ch3\u003eWhat is the difference between Selank and Semax?\u003c\/h3\u003e\n\u003cp\u003eSelank is a tuftsin analogue studied mainly in GABAergic and stress-response models. Semax is an ACTH(4-7) analogue studied mainly in BDNF and neuroprotection models.\u003c\/p\u003e\n\u003ch3\u003eWhat does DSIP stand for?\u003c\/h3\u003e\n\u003cp\u003eDSIP stands for delta sleep-inducing peptide, a nonapeptide used in sleep-architecture and stress-signalling research.\u003c\/p\u003e\n\u003ch3\u003eWhy choose a nasal spray solution?\u003c\/h3\u003e\n\u003cp\u003eNasal spray solutions suit intranasal research models. Vials keep longest, and pens are supplied as ready-made solution.\u003c\/p\u003e\n\u003ch3\u003eAre these products for human use?\u003c\/h3\u003e\n\u003cp\u003eNo. They are sold strictly for laboratory research and are not for human or veterinary use.\u003c\/p\u003e\n\u003ch2\u003eResearch use only\u003c\/h2\u003e\n\u003cp\u003e\u003cem\u003eFor laboratory research use only. Not for human or veterinary use and not for consumption. Research peptides listed here are not medicines and are not intended to diagnose, treat, cure or prevent any disease. Purchasers must be 18+.\u003c\/em\u003e\u003c\/p\u003e","products":[{"product_id":"semax-pre-filled-pen","title":"Semax Peptide Pen","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\u003cp\u003eSemax is a synthetic heptapeptide analogue of the ACTH(4–10) fragment with a C-terminal Pro-Gly-Pro extension. It is used in laboratory neuropeptide research.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompound:\u003c\/strong\u003e Semax\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFormat:\u003c\/strong\u003e Pre-filled pen, ready-made solution\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStrength:\u003c\/strong\u003e 10 mg\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMolecular formula:\u003c\/strong\u003e C37H51N9O10S\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMolecular weight:\u003c\/strong\u003e 813.9 g\/mol\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCAS number:\u003c\/strong\u003e 80714-61-0\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSequence:\u003c\/strong\u003e Met-Glu-His-Phe-Pro-Gly-Pro\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePurity:\u003c\/strong\u003e See the batch COA on our COA page\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eStorage and handling\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eSupplied as a ready-made solution in a pre-filled pen, made to order.\u003c\/li\u003e\n\u003cli\u003eKeep refrigerated at 2–8 °C and protected from light. Do not freeze.\u003c\/li\u003e\n\u003cli\u003eDispatched by overnight cold-chain courier; where reliable overnight delivery is not available, the lyophilised vial version is recommended.\u003c\/li\u003e\n\u003cli\u003eRefer to the pen label for batch details.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eResearch-use notice\u003c\/h3\u003e\u003cp\u003eFor laboratory research use only. Not for human or veterinary use, not for consumption, and not a medicine, food or cosmetic. Supplied to qualified researchers; the purchaser is responsible for safe handling and for complying with applicable South African regulations. Statements on this page are product identification and handling information only.\u003c\/p\u003e","brand":"Biolabs Peptides","offers":[{"title":"10","offer_id":49790780571890,"sku":null,"price":1450.0,"currency_code":"ZAR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/5410\/1746\/files\/ChatGPT_Image_Jul_19_2026_07_28_40_PM.png?v=1788937518"},{"product_id":"selank-pre-filled-pen","title":"Selank Peptide Pen","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\u003cp\u003eSelank is a synthetic heptapeptide analogue of the endogenous peptide tuftsin, extended with a Pro-Gly-Pro sequence for stability. It is used in laboratory neuropeptide research.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompound:\u003c\/strong\u003e Selank\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFormat:\u003c\/strong\u003e Pre-filled pen, ready-made solution\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStrength:\u003c\/strong\u003e 10 mg\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMolecular formula:\u003c\/strong\u003e C33H57N11O9\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMolecular weight:\u003c\/strong\u003e 751.9 g\/mol\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCAS number:\u003c\/strong\u003e 129954-34-3\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSequence:\u003c\/strong\u003e Thr-Lys-Pro-Arg-Pro-Gly-Pro\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePurity:\u003c\/strong\u003e See the batch COA on our COA page\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eStorage and handling\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eSupplied as a ready-made solution in a pre-filled pen, made to order.\u003c\/li\u003e\n\u003cli\u003eKeep refrigerated at 2–8 °C and protected from light. Do not freeze.\u003c\/li\u003e\n\u003cli\u003eDispatched by overnight cold-chain courier; where reliable overnight delivery is not available, the lyophilised vial version is recommended.\u003c\/li\u003e\n\u003cli\u003eRefer to the pen label for batch details.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eResearch-use notice\u003c\/h3\u003e\u003cp\u003eFor laboratory research use only. Not for human or veterinary use, not for consumption, and not a medicine, food or cosmetic. Supplied to qualified researchers; the purchaser is responsible for safe handling and for complying with applicable South African regulations. Statements on this page are product identification and handling information only.\u003c\/p\u003e","brand":"Biolabs Peptides","offers":[{"title":"10","offer_id":49790780604658,"sku":null,"price":1450.0,"currency_code":"ZAR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/5410\/1746\/files\/ChatGPT_Image_Jul_19_2026_07_28_16_PM.png?v=1788937521"},{"product_id":"dsip-pre-filled-pen","title":"DSIP Peptide Pen","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\u003cp\u003eDelta sleep-inducing peptide (DSIP) is a naturally occurring nonapeptide first isolated in 1977. It is used in laboratory neuropeptide research.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompound:\u003c\/strong\u003e DSIP\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFormat:\u003c\/strong\u003e Pre-filled pen, ready-made solution\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStrength:\u003c\/strong\u003e 10 mg\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMolecular formula:\u003c\/strong\u003e C35H48N10O15\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMolecular weight:\u003c\/strong\u003e 848.8 g\/mol\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCAS number:\u003c\/strong\u003e 62568-57-4\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSequence:\u003c\/strong\u003e Trp-Ala-Gly-Gly-Asp-Ala-Ser-Gly-Glu\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePurity:\u003c\/strong\u003e See the batch COA on our COA page\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eStorage and handling\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eSupplied as a ready-made solution in a pre-filled pen, made to order.\u003c\/li\u003e\n\u003cli\u003eKeep refrigerated at 2–8 °C and protected from light. Do not freeze.\u003c\/li\u003e\n\u003cli\u003eDispatched by overnight cold-chain courier; where reliable overnight delivery is not available, the lyophilised vial version is recommended.\u003c\/li\u003e\n\u003cli\u003eRefer to the pen label for batch details.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eResearch-use notice\u003c\/h3\u003e\u003cp\u003eFor laboratory research use only. Not for human or veterinary use, not for consumption, and not a medicine, food or cosmetic. Supplied to qualified researchers; the purchaser is responsible for safe handling and for complying with applicable South African regulations. Statements on this page are product identification and handling information only.\u003c\/p\u003e","brand":"Biolabs Peptides","offers":[{"title":"10","offer_id":49790781194482,"sku":null,"price":1250.0,"currency_code":"ZAR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/5410\/1746\/files\/ChatGPT_Image_Jul_19_2026_07_15_21_PM.png?v=1788937537"},{"product_id":"dsip-nasal-spray","title":"DSIP Nasal Spray","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\u003cp\u003eDelta sleep-inducing peptide (DSIP) is a naturally occurring nonapeptide first isolated in 1977. It is used in laboratory neuropeptide research.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompound:\u003c\/strong\u003e DSIP\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFormat:\u003c\/strong\u003e Ready-made solution, spray-pump bottle\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eContent:\u003c\/strong\u003e 5 mg in 10 ml\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMolecular formula:\u003c\/strong\u003e C35H48N10O15\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMolecular weight:\u003c\/strong\u003e 848.8 g\/mol\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCAS number:\u003c\/strong\u003e 62568-57-4\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSequence:\u003c\/strong\u003e Trp-Ala-Gly-Gly-Asp-Ala-Ser-Gly-Glu\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eStorage and handling\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eSupplied as a ready-made aqueous solution in a spray-pump bottle.\u003c\/li\u003e\n\u003cli\u003eStore refrigerated at 2–8 °C after opening, protected from light.\u003c\/li\u003e\n\u003cli\u003eKeep the cap closed when not in use.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eResearch-use notice\u003c\/h3\u003e\u003cp\u003eFor laboratory research use only. Not for human or veterinary use, not for consumption, and not a medicine, food or cosmetic. Supplied to qualified researchers; the purchaser is responsible for safe handling and for complying with applicable South African regulations. Statements on this page are product identification and handling information only.\u003c\/p\u003e","brand":"Biolabs Peptides","offers":[{"title":"Default Title","offer_id":49790781522162,"sku":null,"price":709.0,"currency_code":"ZAR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/5410\/1746\/files\/e97d91_f2633217378149aab14279806cf66256_mv2.png?v=1788937548"},{"product_id":"dsip","title":"DSIP","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\u003cp\u003eDelta sleep-inducing peptide (DSIP) is a naturally occurring nonapeptide first isolated in 1977. It is used in laboratory neuropeptide research.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompound:\u003c\/strong\u003e DSIP\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFormat:\u003c\/strong\u003e Lyophilised powder, sealed glass vial\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStrength:\u003c\/strong\u003e 10 mg\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMolecular formula:\u003c\/strong\u003e C35H48N10O15\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMolecular weight:\u003c\/strong\u003e 848.8 g\/mol\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCAS number:\u003c\/strong\u003e 62568-57-4\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSequence:\u003c\/strong\u003e Trp-Ala-Gly-Gly-Asp-Ala-Ser-Gly-Glu\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePurity:\u003c\/strong\u003e See the batch COA on our COA page\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eStorage and handling\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eSupplied as a lyophilised (freeze-dried) powder in a sealed glass vial.\u003c\/li\u003e\n\u003cli\u003eStore unopened at −20 °C for long-term storage or 2–8 °C for short-term storage, protected from light and moisture.\u003c\/li\u003e\n\u003cli\u003eLyophilised vials are stable at ambient temperature during normal courier transit.\u003c\/li\u003e\n\u003cli\u003eAllow the vial to reach room temperature before opening to limit moisture uptake.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eResearch-use notice\u003c\/h3\u003e\u003cp\u003eFor laboratory research use only. Not for human or veterinary use, not for consumption, and not a medicine, food or cosmetic. Supplied to qualified researchers; the purchaser is responsible for safe handling and for complying with applicable South African regulations. Statements on this page are product identification and handling information only.\u003c\/p\u003e","brand":"Biolabs Peptides","offers":[{"title":"10","offer_id":49790783422706,"sku":null,"price":808.0,"currency_code":"ZAR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/5410\/1746\/files\/e97d91_25225b23f4784ddcb37e9fda5815cb63_mv2.png?v=1789974110"},{"product_id":"selank-10mg-nasal-spray","title":"Selank 10mg Nasal Spray","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\u003cp\u003eSelank is a synthetic heptapeptide analogue of the endogenous peptide tuftsin, extended with a Pro-Gly-Pro sequence for stability. It is used in laboratory neuropeptide research.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompound:\u003c\/strong\u003e Selank\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFormat:\u003c\/strong\u003e Ready-made solution, spray-pump bottle\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eContent:\u003c\/strong\u003e 10 mg in 8 ml\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMolecular formula:\u003c\/strong\u003e C33H57N11O9\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMolecular weight:\u003c\/strong\u003e 751.9 g\/mol\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCAS number:\u003c\/strong\u003e 129954-34-3\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSequence:\u003c\/strong\u003e Thr-Lys-Pro-Arg-Pro-Gly-Pro\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eStorage and handling\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eSupplied as a ready-made aqueous solution in a spray-pump bottle.\u003c\/li\u003e\n\u003cli\u003eStore refrigerated at 2–8 °C after opening, protected from light.\u003c\/li\u003e\n\u003cli\u003eKeep the cap closed when not in use.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eResearch-use notice\u003c\/h3\u003e\u003cp\u003eFor laboratory research use only. Not for human or veterinary use, not for consumption, and not a medicine, food or cosmetic. Supplied to qualified researchers; the purchaser is responsible for safe handling and for complying with applicable South African regulations. Statements on this page are product identification and handling information only.\u003c\/p\u003e","brand":"Biolabs Peptides","offers":[{"title":"Default Title","offer_id":49790785159410,"sku":null,"price":835.0,"currency_code":"ZAR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/5410\/1746\/files\/e97d91_48ad18112db043189b3d2cd08baef2a2_mv2.jpg?v=1789974067"},{"product_id":"semax-10mg-nasal-spray","title":"Semax 10mg Nasal Spray","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\u003cp\u003eSemax is a synthetic heptapeptide analogue of the ACTH(4–10) fragment with a C-terminal Pro-Gly-Pro extension. It is used in laboratory neuropeptide research.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompound:\u003c\/strong\u003e Semax\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFormat:\u003c\/strong\u003e Ready-made solution, spray-pump bottle\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eContent:\u003c\/strong\u003e 10 mg in 8 ml\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMolecular formula:\u003c\/strong\u003e C37H51N9O10S\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMolecular weight:\u003c\/strong\u003e 813.9 g\/mol\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCAS number:\u003c\/strong\u003e 80714-61-0\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSequence:\u003c\/strong\u003e Met-Glu-His-Phe-Pro-Gly-Pro\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eStorage and handling\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eSupplied as a ready-made aqueous solution in a spray-pump bottle.\u003c\/li\u003e\n\u003cli\u003eStore refrigerated at 2–8 °C after opening, protected from light.\u003c\/li\u003e\n\u003cli\u003eKeep the cap closed when not in use.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eResearch-use notice\u003c\/h3\u003e\u003cp\u003eFor laboratory research use only. Not for human or veterinary use, not for consumption, and not a medicine, food or cosmetic. Supplied to qualified researchers; the purchaser is responsible for safe handling and for complying with applicable South African regulations. Statements on this page are product identification and handling information only.\u003c\/p\u003e","brand":"Biolabs Peptides","offers":[{"title":"Default Title","offer_id":49790785192178,"sku":null,"price":830.0,"currency_code":"ZAR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/5410\/1746\/files\/e97d91_77edc440783a483fa50bc5897b635e81_mv2.jpg?v=1789974070"},{"product_id":"selank-10mg","title":"Selank","description":"\u003ch2\u003eSelank South Africa: Tuftsin Analogue Heptapeptide for Research\u003c\/h2\u003e\n\u003cp\u003eBiolabs supplies Selank in South Africa for laboratory and analytical research. Every batch is third-party tested and dispatched from stock with tracked courier delivery. \u003cem\u003ePrecision. Purity. Performance.\u003c\/em\u003e\u003c\/p\u003e\n\u003ch2\u003eWhat is Selank?\u003c\/h2\u003e\n\u003cp\u003eSelank is a synthetic heptapeptide, Thr-Lys-Pro-Arg-Pro-Gly-Pro, made by extending the immunomodulatory tetrapeptide tuftsin (Thr-Lys-Pro-Arg) with a Pro-Gly-Pro sequence for greater stability. It was developed at the Institute of Molecular Genetics in Moscow.\u003c\/p\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMolecular formula:\u003c\/strong\u003e C33H57N11O9\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMolecular weight:\u003c\/strong\u003e 751.9 g\/mol\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCAS number:\u003c\/strong\u003e 129954-34-3\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSequence:\u003c\/strong\u003e Thr-Lys-Pro-Arg-Pro-Gly-Pro\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePurity:\u003c\/strong\u003e stated per batch on the \u003ca href=\"\/pages\/coas\"\u003eCOA page\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eResearch overview\u003c\/h2\u003e\n\u003cp\u003ePublished research on Selank covers GABAergic and monoamine signalling in rodent models, gene-expression studies, and enkephalinase-inhibition assays. Listed as research areas only.\u003c\/p\u003e\n\u003ch2\u003eAvailable formats and strengths\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/selank-10mg\"\u003eSelank lyophilised vial\u003c\/a\u003e: 10 mg\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/selank-pre-filled-pen\"\u003eSelank Peptide Pen\u003c\/a\u003e: 10 mg\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/selank-10mg-nasal-spray\"\u003eSelank Nasal Spray\u003c\/a\u003e: 10 mg\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eBrowse all \u003ca href=\"\/collections\/vials\"\u003epeptide vials\u003c\/a\u003e, \u003ca href=\"\/collections\/prefilled-peptide-pens\"\u003epre-filled peptide pens\u003c\/a\u003e and \u003ca href=\"\/collections\/reconstitution-supplies-and-hardware\"\u003ereconstitution supplies\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch2\u003eStorage and reconstitution handling\u003c\/h2\u003e\n\u003cp\u003eLyophilised vials: store unopened at −20 °C long-term or 2–8 °C short-term, protected from light and moisture. Vials are stable at ambient temperature during normal courier transit. Let the vial reach room temperature before opening. For reconstitution, laboratories typically use \u003ca href=\"\/products\/10ml-peptide-water-sterile-water\"\u003esterile water\u003c\/a\u003e or \u003ca href=\"\/products\/genetek-reconstitution-solution-0-9-benzyl-alcohol-10ml\"\u003ebacteriostatic (0.9% benzyl alcohol) solution\u003c\/a\u003e, added slowly down the vial wall and swirled gently rather than shaken. Store reconstituted solution at 2–8 °C and follow your own validated protocol for stability. Pre-filled pens are supplied as ready-made solution and must be kept refrigerated at 2–8 °C.\u003c\/p\u003e\n\u003ch2\u003eCOA and batch testing\u003c\/h2\u003e\n\u003cp\u003eEach batch is tested by an independent laboratory for identity and purity (HPLC\/MS). Certificates of analysis are published on our \u003ca href=\"\/pages\/coas\"\u003eCOA page\u003c\/a\u003e, and the batch number on your vial matches its certificate.\u003c\/p\u003e\n\u003ch2\u003eSelank FAQ\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eWhere can I get Selank in South Africa?\u003c\/strong\u003e\u003cbr\u003eBiolabs ships Selank nationwide from local stock via tracked courier. SA orders over R2,500 ship free, and you can pay in 4 interest-free instalments with Payflex.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs Selank for human use?\u003c\/strong\u003e\u003cbr\u003eNo. It is sold strictly for laboratory research and is not for human or veterinary use, diagnosis or treatment.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow should Selank be stored?\u003c\/strong\u003e\u003cbr\u003eLyophilised powder at −20 °C (long-term) or 2–8 °C (short-term); reconstituted solution or pre-filled pens at 2–8 °C, away from light.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow do I verify purity?\u003c\/strong\u003e\u003cbr\u003eMatch the batch number on your product to the certificate on our \u003ca href=\"\/pages\/coas\"\u003eCOA page\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhich format should I choose?\u003c\/strong\u003e\u003cbr\u003eLyophilised vials offer the longest shelf life; pre-filled pens are supplied ready-made for convenience. See the formats listed above.\u003c\/p\u003e\n\u003ch2\u003eResearch use only\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eFor research use only.\u003c\/strong\u003e Not for human or animal consumption. This product is not a medicine, food or cosmetic and is not intended to diagnose, treat, cure or prevent any disease. Statements on this page describe published research areas and are not claims of benefit. Purchasers must be 18+ and are responsible for handling the product in line with applicable laws.\u003c\/p\u003e","brand":"Biolabs Peptides","offers":[{"title":"10","offer_id":49790787485938,"sku":null,"price":1057.0,"currency_code":"ZAR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/5410\/1746\/files\/e97d91_36c17a4cb4294eac966da8d990893d1c_mv2.png?v=1789974204"},{"product_id":"semax-10mg","title":"Semax","description":"\u003ch2\u003eSemax South Africa: ACTH(4–10) Analogue Heptapeptide for Research\u003c\/h2\u003e\n\u003cp\u003eBiolabs supplies Semax in South Africa for laboratory and analytical research. Every batch is third-party tested and dispatched from stock with tracked courier delivery. \u003cem\u003ePrecision. Purity. Performance.\u003c\/em\u003e\u003c\/p\u003e\n\u003ch2\u003eWhat is Semax?\u003c\/h2\u003e\n\u003cp\u003eSemax is a synthetic heptapeptide, Met-Glu-His-Phe-Pro-Gly-Pro, built from the ACTH(4–10) fragment with a C-terminal Pro-Gly-Pro extension that slows enzymatic breakdown. It was developed at the Institute of Molecular Genetics in Moscow.\u003c\/p\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMolecular formula:\u003c\/strong\u003e C37H51N9O10S\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMolecular weight:\u003c\/strong\u003e 813.9 g\/mol\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCAS number:\u003c\/strong\u003e 80714-61-0\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSequence:\u003c\/strong\u003e Met-Glu-His-Phe-Pro-Gly-Pro\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePurity:\u003c\/strong\u003e stated per batch on the \u003ca href=\"\/pages\/coas\"\u003eCOA page\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eResearch overview\u003c\/h2\u003e\n\u003cp\u003ePublished research on Semax includes BDNF and neurotrophin gene-expression studies in rodent brain tissue, melanocortin-receptor pharmacology, and peptide-stability work on Pro-Gly-Pro extensions. Listed as research areas only.\u003c\/p\u003e\n\u003ch2\u003eAvailable formats and strengths\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/semax-10mg\"\u003eSemax lyophilised vial\u003c\/a\u003e: 10 mg\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/semax-pre-filled-pen\"\u003eSemax Peptide Pen\u003c\/a\u003e: 10 mg\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/semax-10mg-nasal-spray\"\u003eSemax Nasal Spray\u003c\/a\u003e: 10 mg\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eBrowse all \u003ca href=\"\/collections\/vials\"\u003epeptide vials\u003c\/a\u003e, \u003ca href=\"\/collections\/prefilled-peptide-pens\"\u003epre-filled peptide pens\u003c\/a\u003e and \u003ca href=\"\/collections\/reconstitution-supplies-and-hardware\"\u003ereconstitution supplies\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch2\u003eStorage and reconstitution handling\u003c\/h2\u003e\n\u003cp\u003eLyophilised vials: store unopened at −20 °C long-term or 2–8 °C short-term, protected from light and moisture. Vials are stable at ambient temperature during normal courier transit. Let the vial reach room temperature before opening. For reconstitution, laboratories typically use \u003ca href=\"\/products\/10ml-peptide-water-sterile-water\"\u003esterile water\u003c\/a\u003e or \u003ca href=\"\/products\/genetek-reconstitution-solution-0-9-benzyl-alcohol-10ml\"\u003ebacteriostatic (0.9% benzyl alcohol) solution\u003c\/a\u003e, added slowly down the vial wall and swirled gently rather than shaken. Store reconstituted solution at 2–8 °C and follow your own validated protocol for stability. Pre-filled pens are supplied as ready-made solution and must be kept refrigerated at 2–8 °C.\u003c\/p\u003e\n\u003ch2\u003eCOA and batch testing\u003c\/h2\u003e\n\u003cp\u003eEach batch is tested by an independent laboratory for identity and purity (HPLC\/MS). Certificates of analysis are published on our \u003ca href=\"\/pages\/coas\"\u003eCOA page\u003c\/a\u003e, and the batch number on your vial matches its certificate.\u003c\/p\u003e\n\u003ch2\u003eSemax FAQ\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eWhere can I get Semax in South Africa?\u003c\/strong\u003e\u003cbr\u003eBiolabs ships Semax nationwide from local stock via tracked courier. SA orders over R2,500 ship free, and you can pay in 4 interest-free instalments with Payflex.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs Semax for human use?\u003c\/strong\u003e\u003cbr\u003eNo. It is sold strictly for laboratory research and is not for human or veterinary use, diagnosis or treatment.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow should Semax be stored?\u003c\/strong\u003e\u003cbr\u003eLyophilised powder at −20 °C (long-term) or 2–8 °C (short-term); reconstituted solution or pre-filled pens at 2–8 °C, away from light.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow do I verify purity?\u003c\/strong\u003e\u003cbr\u003eMatch the batch number on your product to the certificate on our \u003ca href=\"\/pages\/coas\"\u003eCOA page\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhich format should I choose?\u003c\/strong\u003e\u003cbr\u003eLyophilised vials offer the longest shelf life; pre-filled pens are supplied ready-made for convenience. See the formats listed above.\u003c\/p\u003e\n\u003ch2\u003eResearch use only\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eFor research use only.\u003c\/strong\u003e Not for human or animal consumption. This product is not a medicine, food or cosmetic and is not intended to diagnose, treat, cure or prevent any disease. Statements on this page describe published research areas and are not claims of benefit. Purchasers must be 18+ and are responsible for handling the product in line with applicable laws.\u003c\/p\u003e","brand":"Biolabs Peptides","offers":[{"title":"10","offer_id":49790787584242,"sku":null,"price":950.0,"currency_code":"ZAR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/5410\/1746\/files\/e97d91_bd4c64ebcda1434a9f11e96b81a0d97c_mv2.png?v=1789974205"}],"url":"https:\/\/biolabsresearch.co.za\/collections\/cognitive-research-peptides.oembed","provider":"Biolabs Peptides South Africa","version":"1.0","type":"link"}