White to pale yellow crystalline powder Infrared Absorption:In accordance with the reference Standard spectrum of paclitaxel The retention time of the major peak in the chromatogram of the Assay preparation corresponds to that in the chromatogram of the Standard preparation,as obtained in the Assay. -49.0°～-55.0° Baccatin III：≤0.2% 10-Deacetylpaclitaxel：≤ 0.5% Photodegradant：≤0.2% 10-Debenzoylbaccatin III：≤0.1% 2-Debenzoylpaclitaxel-2-pentenoate ：≤0.7% 10,13-Bissidechainpaclitaxel：≤0.5% 7-Acetylpaclitaxel：≤ 0.6% 7-Tes-paclitaxel：≤0.3% 13-Tes-baccatin III：≤ 0.1% 7-Epipaclitaxel：≤0.5% Others：≤0.1% (each) Total：≤ 2.0% Acetone：≤5000ppm Hexane：≤290ppm Not more than 4.0% Not more than 0.2% Not more than 0.002% 97.0%～102.0%
Used in the synthesis of pharmaceutical intermediates

CAS NO:33069-62-4

EC NO:

Molecular Formula:C₄₇H₅₁NO₁₄

Molecular Weight:853.9061

Synonyms:;7,11-methano-5h-cyclodeca[3,4]benz[1,2-b]oxete benzenepropanoic acid deriv.;taxal;taxol a;Taxol;

Molecular Structure:

CAS NO:33069-62-4

EC NO:

Molecular Formula:C₄₇H₅₁NO₁₄

Molecular Weight:853.9061

Synonyms:;7,11-methano-5h-cyclodeca[3,4]benz[1,2-b]oxete benzenepropanoic acid deriv.;taxal;taxol a;Taxol;

Molecular Structure: