BPC-157 is a synthetic pentadecapeptide — a chain of 15 amino acids — with the sequence Gly-Glu-Pro-Pro-Pro-Gly-Lys-Pro-Ala-Asp-Asp-Ala-Gly-Leu-Val. It has a molecular weight of 1,419.53 g/mol and the molecular formula C62H98N16O22. The peptide is derived from a partial sequence of a larger protein identified in human gastric juice, first characterized in the early 1990s. BPC-157 is classified as a gastric pentadecapeptide…
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Delta sleep-inducing peptide (DSIP) is a naturally occurring nonapeptide — a chain of nine amino acids — with the sequence Trp-Ala-Gly-Gly-Asp-Ala-Ser-Gly-Glu. It has a molecular weight of 848.81 g/mol and the formula C35H48N10O15 (CAS 62568-57-4). First isolated in 1977 from rabbit cerebral venous blood, DSIP is classified as amphiphilic, meaning it contains both water-attracting and water-repelling regions. The tryptophan residue at…
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Epithalon (also spelled Epitalon or Epithalone) is a synthetic tetrapeptide — a chain of four amino acids — with the sequence Ala-Glu-Asp-Gly. It has a molecular weight of 390.34 g/mol and the formula C14H22N4O9 (CAS 307297-39-8). It was first synthesized in the 1990s, modeled on the amino acid composition of epithalamin, a peptide extract from the bovine pineal gland. Epithalon is…
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KLOW is a four-peptide research blend totaling 80mg of lyophilized powder. It contains BPC-157 (10mg), a 15-amino-acid synthetic peptide derived from a sequence found in human gastric juice protein; TB-500 (10mg), a 43-amino-acid fragment of the naturally occurring protein thymosin beta-4; GHK-Cu (50mg), a copper-bound tripeptide first isolated from human blood plasma in 1973; and KPV (10mg), a three-amino-acid fragment…
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GHRP-2 (pralmorelin) is a synthetic hexapeptide — a chain of six amino acids with the sequence D-Ala-D-2-Nal-Ala-Trp-D-Phe-Lys-NH2. It has a molecular formula of C45H55N9O6, a molecular weight of 817.99 g/mol, and a CAS number of 158861-67-7. The peptide incorporates two unnatural D-amino acids and the non-standard residue D-2-naphthylalanine, giving it a structure distinct from naturally occurring peptides. GHRP-2 was developed…
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GHRP-6 is a synthetic hexapeptide with the amino acid sequence His-D-Trp-Ala-Trp-D-Phe-Lys-NH2. Its molecular formula is C46H56N12O6, its molecular weight is 873.01 g/mol, and its CAS number is 87616-84-0. The peptide contains two D-amino acids (D-tryptophan and D-phenylalanine), which are mirror-image forms of their natural counterparts that increase the molecule’s resistance to enzymatic degradation. GHRP-6 was first synthesized in the 1980s,…
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GLP2-T is a research-designated synthetic 39-amino acid peptide classified as a dual GIP/GLP-1 receptor ligand. First described in patent filings around 2016, the molecule is built on a GIP backbone with a C20 fatty diacid modification — a lipidation strategy common in modern peptide analog design. It has the molecular formula C225H348N48O68, a weight of approximately 4,810.52 g/mol, and CAS number…
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Ipamorelin is a synthetic pentapeptide — a chain of five amino acids — with the sequence Aib-His-D-2-Nal-D-Phe-Lys. It has a molecular weight of 711.86 g/mol and the formula C38H49N9O5 (CAS 170851-70-4). First described in the mid-1990s, it is classified as a growth hormone secretagogue (GHS), a category of compounds designed to interact with the ghrelin/GHS receptor. Its structure includes two non-standard…
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Kisspeptin-10 is a decapeptide — a chain of ten amino acids — with the sequence Tyr-Asn-Trp-Asn-Ser-Phe-Gly-Leu-Arg-Phe-NH₂. It is the shortest bioactive fragment of the kisspeptin-54 protein, which is encoded by the KISS1 gene, first identified in 1996 at Pennsylvania State University. The peptide has the molecular formula C₆₃H₈₃N₁₇O₁₄, a molecular weight of 1302.45 g/mol, and CAS number 374675-21-5. The C-terminal…
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Melanotan 2 (MT-2) is a synthetic cyclic heptapeptide — a ring-shaped chain of seven amino acids — and an analog of alpha-melanocyte-stimulating hormone (alpha-MSH). It has the molecular formula C50H69N15O9, a molecular weight of 1024.20 g/mol, and a CAS number of 121062-08-6. Its defining structural feature is a lactam bridge, an internal bond that closes the amino acid chain into…
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Selank is a synthetic heptapeptide based on tuftsin, a naturally occurring tetrapeptide (Thr-Lys-Pro-Arg) found as a fragment of the immunoglobulin G heavy chain. First described in the late 1990s, it extends tuftsin with a Pro-Gly-Pro tripeptide tail to resist enzymatic breakdown. The compound has the molecular formula C33H57N11O9, a weight of 751.87 g/mol, and CAS number 129954-34-3. Also designated TP-7,…
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