139958-51-3 : 13-O-Desmethyl Tacrolimus

Catalogue No. – VE0012233
CAS No. – 139958-51-3
Molecular Formula – C43H67NO12
Molecular Weight – 790.00 g/mol
Parent drug – Tacrolimus
IUPAC Name – 16,19-Epoxy-3H-pyrido[2,1-c][1,4]oxaazacyclotricosine-1,7,20,21(4H,23H)-tetrone, 5,6,8,11,12,13,14,15,16,17,18,19,24,25,26,26-hexadecahydro-5,16,19-trihydroxy-3-[2-(4-hydroxy-3-methoxycyclohexyl)-1-methylethenyl]-14-methoxy-4,10,12,18-tetramethyl-8-(2-propenyl)-, [3S-[3R*[E(1S*,3S*,4S*)],4S*,5R*,8S*,9E,12R*,14R*,15R*,16R*,18S*,19S*,26aR*]]-;
Synonyms – Tacrolimus Impurity 9