CAS Number
131944-48-4
(E/Z)-FK-506 26,28-Allylic Ester Rearrangement Impurity
SL Number
CSL-18860
Category
impurity
Molecular Formula
C44H69NO12
Molecular Weight
804.02
Description
[3R-[3R(1R,3R,4R),4E,6S,7S,10R,11E,14S,16S,17R,18S,20R,21R,28aS]]-7,8,10,13,14,15,16,17,18,19,20,21,26,27,28,28a-Hexadecahydro-7,21-dihydroxy-3-(4-hydroxy-3-methoxycyclohexyl)-16,18-dimethoxy-4,6,12,14,20-pentamethyl-10-(2-propenyl)-17,21-epoxy-3H-pyrido[2,1-c][1,4]oxaazacyclopentacosine-1,9,22,23(6H,25H)-tetrone; Tacrolimus Impurity D
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