Tacrolimus Dehydro Impurity

CAS No 129212-37-9

IUPAC 15, 19-Epoxy-3H-pyrido[2, 1-c][1, 4]oxaazacyclotricosine-1, 7, 20, 21(4H, 23H)-tetrone, 8, 11, 12, 13, 14, 15, 16, 17, 18, 19, 24, 25, 26, 26a-tetradecahydro-19-hydroxy-3-[2-(4-hydroxy-3-methoxycyclohexyl)-1-methylethenyl]-14, 16-dimethoxy-4, 10, 12, 18-tetramethyl-8-(2-propenyl)-, [3S-[3R*[E(1S*, 3S*, 4S*)], 4S*, 5E, 8R*, 9E, 12R*, 14R*, 15S*, 16R*, 18S*, 26aR*]]

Catalogue No. PACE-T01012

Molecular Formula C₄₄H₆₇NO₁₁

Molecular Weight 786.0 g/mol

Synonyms -

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Tacrolimus IHRS

CAS No 104987-11-3

IUPAC (3S,4R,5S,8R,9E,12S,14S,15R,16S,18R,19R,26aS)-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-8-(prop-2-en-1-yl)-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

Catalogue No. PACE-T01001

Molecular Formula C₄₄H₆₉NO₁₂

Molecular Weight 804.0 g/mol

Synonyms -

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Tacrolimus EP Impurity A

CAS No 104987-12-4

IUPAC (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

Catalogue No. PACE-T01002

Molecular Formula C₄₃H₆₉NO₁₂

Molecular Weight 792.0 g/mol

Synonyms Ascomycin

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Tacrolimus EP Impurity D

CAS No 129212-35-7

IUPAC (3S,4R,5S,8S,9E,12S,14S,15R,16S,18R,19R,26aS)-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-8-(prop-2-en-1-yl)-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

Catalogue No. PACE-T01005

Molecular Formula C₄₄H₆₉NO₁₂

Molecular Weight 804.0 g/mol

Synonyms  Tacrolimum 8-Epimer

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Tacrolimus EP Impurity E

CAS No 104987-30-6

IUPAC (3S,4R,5S,8R,9E,12S,14S,15R,16S,18R,19R,26aS)-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-8-propyl-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

Catalogue No. PACE-T01006

Molecular Formula C₄₄H₇₁NO₁₂

Molecular Weight 806.0 g/mol

Synonyms Tacrolimus 8-Propyl Analog

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