CEPHALOMANNINE

CEPHALOMANNINE
Taxol B; (2aR-(2aalpha,4beta,4abeta,6beta,9alpha(alphaR',betaS'(E)),11alpha,12alpha,12aalpha,12balpha))-isomer; (2aR-(2aalpha,4beta,4abeta,6beta,9alpha(aR',betaS'),11alpha,12alpha,12aalpha,12balpha))-alpha-Hydroxy-beta-((2-methyl-1-oxo-2-butenyl)amino)benzenepropanoic acid 6,12b-bis(acetyloxy)-12-(benzoyloxy)-2a,3,4,4a,5,6,9,10,11,12,12a,12b-dodecahydro-4,11-dihydroxy-4a,8,13,13-tetramethyl-5-oxo-7,11-methano-1H-cyclodeca(3,4)benz(1,2-b)oxet-9-yl ester; (alphaR,betaS)-alpha-Hydroxy-beta-(((2E)-2-methyl-1-oxo-2-butenyl)amino)benzenepropanoic acid (2aR,4S,4aS,6R,9S,11S,12S,12aR,12bS)-6,12b-bis(acetyloxy)-12-(benzoyloxy)-2a,3,4,4a,5,6,9,10,11,12,12a,12b-dodecahydro-4,11-dihydroxy-4a,8,13,13-tetramethyl-5-oxo-7,11-methano-1H-cyclodeca(3,4)benz(1,2-b)oxet-9-yl ester; Paclitaxel B;

CAS RN

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 71610-00-9

EINECS RN

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FORMULA

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 C45H53NO14

MASS

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 831.90

DESCRIPTION

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 A Paclitaxelclitaxel isomer
Specification:

Appearance: White to off-white powder
Purity: 99% min (HPLC)
Heavy metals: 10ppm max
Ash: 0.2% max
Loss on Drying: 0.5% max