Test	Standard	Results
Appearance	White to off-white??/span>crystalline powder	White crystalline powder
Identification	Infrared Absorption	Conform
	HPLC	Conform
Solubility	Insoluble in water, soluble I alcohol.	Conform
Assay	Not less than 97.0 bercen1. and not more than102.0 percent of calculated on the anhydrous, solvent free badis.	99.5%
Water	NMT 4.0%	0.96%
Specific Rotation	-49.0°~ -55.0°(at 20??/span>)	-49.4°
Residue on Ignition	NMT 0.2%	0.12%
Heavy Metals	NMT 0.002%	NMT 0.002%
Microbial limits	Total aerobic microbial??/span>NMT 100cfu/g. Absence of Staphaureusn aureus, Pseudomonas aeruginos, Salmonella species, and Escherichia coli.	Conform
Bacterial endotoxins	≤0.4EU/mg	??/span>0.2EU/mg
Related  Compounds                       Related  Compounds	Baccatin??/span>                  NMT0.2%	Conform
	Cephalomannine             NMT 0.5%	0.05%
	10-Deacetyl-7-epipaclitaxel (paclitaxcl related compound B)                NMT 0.5%	0.121%
	Sum of cephalomannine (paclitaxcl related compoundA)and2”,3”-Dihydrocephalomannine;                         NMT 0.5%	Conform
	7-Xylosypaclitaxel;           NMT0.2%	0.13%
	10-Deacetylpaclitaxcl;         NMT0.5%	Conform
	Sum of Benzyl analog3 and3”??/span>4”Dehydropaclitaxel C;        NMT0.5%	Conform
	7-Epipaclitaxel              NMT 0.5% Other                      NMT 0.1% Total impurities              NMT 2.0%	0.127% NMT 0.1% NMT 0.55%
Residue Solvents	Dichloromethane           NMT 100ppm Chloroform               NMT 50ppm Acetonitrile               NMT 410ppm Ethyl acetate              NMT 5000ppm Methanol                 NMT 3000ppm Acetone                  NMT 5000ppm	Conform Conform Conform Conform Conform Absence
Conclusion:  Conforms with the repuirements of  U.S.P 30-NF 25 page 2844