Metkephamid acetate - CAS 66960-35-8

Metkephamid acetate is discontinued (DEA controlled substance). It is a synthetic opioid pentapeptide and derivative of [Met]enkephalin. It behaves as a potent agonist of the δ- and μ-opioid receptors with roughly equipotent affinity, and also has similarly high affinity as well as subtype-selectivity for the κ3-opioid receptor.

Catalog Number: I032165

CAS Number: 66960-35-8

Molecular Formula: C31H44N6O8S

Molecular Weight:660.78

Purity: 98.0%

Appearance:Solid powder

* For research use only. Not for human or veterinary use.

Synonym

SynonymsMetkephamid acetate; LY 127623; LY-127623; LY127623; Lilly 127623;

Property

Molecular Formula: C31H44N6O8S
Molecular Weight660.78
SolubilitySoluble in DMSO
Purity98.0%
StorageDry, dark and at 0 - 4 C for short term (days to weeks) or -20 C for long term (months to years).

Computed Descriptor

IUPAC Name(S)-2-((S)-2-(2-((R)-2-((S)-2-amino-3-(4-hydroxyphenyl)propanamido)propanamido)acetamido)-N-methyl-3-phenylpropanamido)-4-(methylthio)butanamide acetate
InChIInChI=1S/C29H40N6O6S.C2H4O2/c1-18(33-28(40)22(30)15-20-9-11-21(36)12-10-20)27(39)32-17-25(37)34-23(16-19-7-5-4-6-8-19)29(41)35(2)24(26(31)38)13-14-42-3;1-2(3)4/h4-12,18,22-24,36H,13-17,30H2,1-3H3,(H2,31,38)(H,32,39)(H,33,40)(H,34,37);1H3,(H,3,4)/t18-,22+,23+,24+;/m1./s1
InChIKeyMCEMSMUXOSFTJG-KBUZRCILSA-N
SMILESCSCC[C@@H](C(N)=O)N(C([C@H](CC1=CC=CC=C1)NC(CNC([C@@H](C)NC([C@H](CC2=CC=C(O)C=C2)N)=O)=O)=O)=O)C.CC(O)=O