API
IMPURITY
CHEMICAL NAME
STRUCTURE
2
Paclitaxel

Paclitaxel Related Compound A

Cephalomannine
Paclitaxel

Paclitaxel Impurity

(2ar,4s,4as,6R,9S,11S,12S,12ar,12bs)-12b-(Acetyloxy)-12-(benzoyloxy)-1,2a,3,4,4a,6,9,10,11,12,12a,12b-dodecahydro-4,6,9,11-tetrahydroxy-4a,8,13,13-tetramethyl-7,11-methano-5H-cyclodeca(3,4)benz(1,2-b)oxet-5-one
Paclitaxel

Paclitaxel Impurity

6,12b-Bis(acetyloxy)12(benzoyloxy)-1,2a3,4,4a,6,9,10,11,12,12a,12b-dodecahydro-4,9,11-trihydroxy-4a,8,13,13-tetramehtyl(2ar,4S,4as,6R,9S,11S,12S,12ar,12bs)-rel-7,11-methano-5H-cyclodeca[3,4]benz[1,2-b]oxet-5-one
Paclitaxel

Paclitaxel Impurity

(2α,4 α,5β,7β,10 β,13 α)-4-(Acetyloxy)-13{[(2R,3S)-3-(benzoylamino)-2-hydroxy-3-phenylpropanoyl]oxy}-1,7,10trihydroxy-9-oxo-5,20-epoxytax-11-en-2-ylbenzoate
Paclitaxel

Paclitaxel Impurity

(2α,4β,5β,7α,10β,13α)-4,10-Bis(acetyloxy)-13-{[(2R,3S)-3-(benzoylamino)-2-hydroxy-3-phenylpropanoyl]oxy}-1,7-dihydroxy-9-oxo-5,20-epoxytax-11-en-2-ylbenzoate
Paclitaxel

Paclitaxel Impurity

(2as,4s,4as,6R,9S,11S,12S,12ar,12bs)-6-12b-Bis(acetyloxy)-12-(benzyloxy)2a,3,4,4a,5,6,9,10,11,12,12a,12b-dodecahydro-11-hydroxy-4a,8,13,13-tetramethyl-5-oxo-4-[[(2,2-dichloroethoxy)carbonyl]oxy]-7,11-methano-1H-cyclodeca[3,4]benz[1,2b]oxet-9-ylester,(ar,βs)-β-(benzoylamino)-α-hydroxy-benzenepropanoic acid