Tacrolimus Impurity 13 （Positional Isomer ）

Product Name	(E/Z)-FK-506 26,28-Allylic Ester Rearrangement Impurity
Synonyms	Tacrolimus Impurity 2 Tacrolimus Impurity 21 Tacrolimus Rearrangement Lactone [3R-[3R(1R,3R,4R),4E,6S,7S,10R,11E,14S,16S,17R,18S,20R,21R,28aS]]- [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)-7,21-epo Synonyms Tacrolimus Impurity 2 Tacrolimus Impurity 21 Tacrolimus Rearrangement Lactone [3R-[3R(1R,3R,4R),4E,6S,7S,10R,11E,14S,16S,17R,18S,20R,21R,28aS]]- [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)-7,21-epo 17,21-Epoxy-3H-pyrido[2,1-c][1,4]oxaazacyclopentacosine-1,9,22,23(6H,25H)-tetrone, 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)-, [3R-[3R(1R,3R,4R),4E,6S,7S,10R,11E,14S,1...
CAS	131944-48-4
EINECS
Chemical Formula	C44H69NO12
Molecular Weight	804.02
inchi
Package	bottle
Price	Call Me
Descriptions	587213T
Supplier Website	https://www.standardpharm.org.cn/
Last Update	2026-02-10 16:18:13