Chemical Name: (3S,4R,5S,8R,9E,12S,14S,15R,16S,18R,19R,26aS)-8-Ethyl-5,19-dihydroxy-3-[(1E)-1-[(1R,3R,4R)-4-hydroxy-3-methoxycyclohexyl]prop-1-en-2-yl]-14,16-dimethoxy-4,10,12,18-tetramethyl-3,4,5,6,8,11,12,13,14,15,16,17,18,19,24,25,26,26a-octadecahydro-7H-15,19-epoxypyrido[2,1-c] [1,4]oxaazacyclotricosine-1,7,20,21(23H)-tetrone (as per EP);(3S,4R,5S,8R,9E,12S,14S,15R,16S,18R,19R,26aS)-8-Ethyl-5,6,8,11,12,13,14,15,16,17,18,19,24,25,26,26a-hexadecahydro-5,19-dihydroxy-3-[(E)-2-[(1R,3R,4R)-4-hydroxy-3-methoxycyclohexyl]-1-methylvinyl]-14,16-dimethoxy-4,10,12,18-tetramethyl-15,19-epoxy-3H-pyrido[2,1-c][1,4]oxaazacyclotricosine-1,7,20,21-(4H,23H)-tetrone (as per USP)
Synonym: Ascomycin (USP)
Smiles: O=C([C@@](CCCC1)([H])N1C(C([C@@]2(O)[C@H](C)C[C@H](OC)[C@@](O2)([H])[C@@H](OC)C[C@@H](C)C/C(C)=C/[C@H]3CC)=O)=O)O[C@H](/C(C)=C/[C@H]4C[C@@H](OC)[C@H](O)CC4)[C@H](C)[C@@H](O)CC3=O
Inchi: InChI=1S/C30H32N6O2/c1-19(37)35-15-3-5-27(35)29-31-17-25(33-29)23-11-7-21(8-12-23)22-9-13-24(14-10-22)26-18-32-30(34-26)28-6-4-16-36(28)20(2)38/h7-14,17-18,27-28H,3-6,15-16H2,1-2H3,(H,31,33)(H,32,34)/t27-,28-/m0/s1
Development and validation of a stability indicating HPLC assay method for tacrolimus in semi-solid dosage form & bulk drug
By Gejage, Santosh; Amin, Purnima
From Indo American Journal of Pharmaceutical Research (2018), 8(5), 1097-1106