Chinese Yew Extract Paclitaxel

We are instrumental in offering to our valuable customers excellent quality Chinese Yew Extract Paclitaxel which is available with following specification:-
Ref. Standard : USP 32
CAS No. : 33069-62-4
Appearance : White or almost white crystalline powder
Identification : FT-IR;HPLC;NMR;Mass
Solubility : Soluble in ethanol, methanol, Chloroform, hardly soluble in water
Specific Optical Rotation : -49.0A ~ -55.0A at 20A C
Melting Point : 213A Ca 216A C
Water : a 1.0%
Residual Solvent : Meets the requirements of ICH
Ethyl Acetate : a 5000ppm
Acetone : a 5000ppm
Methanol : a 3000ppm
Acetic acid : a 5000ppm
Residual of volatile Solvents : Meets the requirements of ICH
Chloroform : a 60ppm
Dichloromethane : a 600ppm
Hexane : a 290ppm
Toluene : a 890ppm
Residue on Ignition : a 0.2%
Bacteria endotoxins : a 0.4 USP EU/mg
Total aerobic microbial count : a 100 cfu/g
Heavy Metals : a 20 ppm

IMPURITIES:
10-Deacetyl Baccatin III : a 0.1%
Baccatin III : a 0.2%
Photodegradant : a 0.1%
10-Deacetyl Paclitaxel : a 0.5%
2-Debenzoylpaclitaxel-2-pentenoate : a 0.7%
Oxetane ring opened, Acetyl and benzoyl : a 0.1%
10-Acetoacetyl paclitaxel : a 0.1%
10-Deacetyl-7-epi-paclitaxel : a 0.3%
7-epi-paclitaxel : a 0.4%
10,13-Bissidechainpaclitaxel : a 0.5%
7-Acetyl Paclitaxel : a 0.6%

Main Function : Paclitaxel is now used to treat patients with lung, ovarian, breast cancer, head and neck cancer, and advanced forms of Kaposi's sarcoma. Paclitaxel is also used for the prevention of restenosis.