FK 33-824

• CAT Number: I027498
• CAS Number: 64854-64-4
• Molecular Formula: C29H41N5O7S
• Molecular Weight: 603.73
• Purity: 98%
• Synonyms: FK 33-824; FK-33-824; FK33-824; SAN 33-824; Damme; Sandoz FK 33-824
• Solubility: Soluble in DMSO
• Appearance: Solid powder
• Storage: Dry, dark and at 0 - 4 C for short term (days to weeks) or -20 C for long term (months to years).
• IUPAC Name: (2S)-N-(L-tyrosyl-D-alanylglycyl)-2-(((2S)-1-hydroxy-4-(methylsulfinyl)butan-2-yl)(methyl)amino)-3-phenylpropanamide
• InChI: InChI=1S/C29H41N5O7S/c1-19(32-28(39)24(30)15-21-9-11-23(36)12-10-21)27(38)31-17-26(37)33-29(40)25(16-20-7-5-4-6-8-20)34(2)22(18-35)13-14-42(3)41/h4-12,19,22,24-25,35-36H,13-18,30H2,1-3H3,(H,31,38)(H,32,39)(H,33,37,40)/t19-,22+,24+,25+,42?/m1/s1
• InChIKey: PKMZOKPYGPSHPV-IQNHEXCWSA-N
• SMILES: O=C(NC(CNC([C@@H](C)NC([C@H](CC1=CC=C(O)C=C1)N)=O)=O)=O)[C@H](CC2=CC=CC=C2)N([C@H](CO)CCS(C)=O)C

FK 33-824 is a stable synthetic analog of methionine enkephalin (ENKEPHALIN, METHIONINE). Actions are similar to those of methionine enkephalin. Its effects can be reversed by narcotic antagonists such as naloxone.

Reference

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