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H-Met-Asp-Phe-NH2*HCl, also known as Met-enkephalin, is a pentapeptide consisting of five amino acids: methionine (Met), aspartic acid (Asp), phenylalanine (Phe), and two glycine (Gly) residues. It is a naturally occurring opioid peptide that plays a significant role in the body's pain response and reward system. Met-enkephalin is derived from the larger precursor protein, proenkephalin, and is found in various regions of the brain, spinal cord, and peripheral tissues. It binds to the mu-opioid receptors, which are responsible for mediating its analgesic and euphoric effects. The presence of HCl in the chemical formula indicates that it is a hydrochloride salt, which is commonly used to improve the solubility and stability of the peptide. Met-enkephalin is an important molecule in the study of pain management and addiction, as it helps us understand the mechanisms behind the body's natural response to pain and pleasure.

6464-61-5

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6464-61-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 6464-61-5 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,4,6 and 4 respectively; the second part has 2 digits, 6 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 6464-61:
(6*6)+(5*4)+(4*6)+(3*4)+(2*6)+(1*1)=105
105 % 10 = 5
So 6464-61-5 is a valid CAS Registry Number.

6464-61-5Relevant articles and documents

α-AMINOACYL CONTAINING NEW PEPTIDES WITH GASTRIN EFFECTS AND A PROCESS FOR THE PREPARATION THEREOF

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, (2008/06/13)

Peptides of the formula: wherein A is tert.-butoxycarbonyl-aminooxy-acyl, benzyloxycarbonyl-aminooxy-acyl, (aminooxy)-acyl, or E-aminooxy-acyl, wherein E is benzoyl or straight-chain or branched C1-5 aliphatic acyl, B is methionyl, leucyl, norleucyl, norvalyl or 2-amino-decanoyl, and Y is hydrogen or carboxymethoxy, and pharmaceutically acceptable acid-addition salts or complexes thereof have gastric-acid secretion increasing effects.

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