10-DEACETYLBACCATIN III

10-DEACETYLBACCATIN III

(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; 10-DAB-III; 10-DB III; 10-deacetyl-baccatine III;

CAS RN

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 32981-86-5; 92999-93-4

EINECS RN

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FORMULA

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 C29H36O10

MASS

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 544.59

DESCRIPTION

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 A starting material to prepare semi-synthetic paclitaxels
Specification:

Appearance: White to off-white crystalline powder
Identification: Pass (IR ,HPLC ,NMR)
Assay (HPLC): 98.0% min
Melting Point: 225 C - 230 C
Specific Rotation: -36.0° ~ -40.0 °
Water (KF): 1.0% max
Residual Solvent: 1.5% max
Individual impurity: 1.0% max
Total Impurities: 1.0% max