Superiority:
in stock
Assay:99% white powder
dentification(HPLC) :The retention time of the major peak in the chromatogram of the assay preparation corresponds to that in the chromatogram of the Conformal standard preparation, as obtained in the assay
Loss on drving ≤1.0%
Water ≤4.0%
Residue on ignition ≤0.2%
Heavy metals ≤20ppm
Bacterial endotoxin ≤0.4EU/mg
Bacteriocin ≤1000cfu/g
Mold and Yeast ≤100cfu/g
Purity (HPLC) ≥99.0%
in stock
Assay:99% white powder
dentification(HPLC) :The retention time of the major peak in the chromatogram of the assay preparation corresponds to that in the chromatogram of the Conformal standard preparation, as obtained in the assay
Loss on drving ≤1.0%
Water ≤4.0%
Residue on ignition ≤0.2%
Heavy metals ≤20ppm
Bacterial endotoxin ≤0.4EU/mg
Bacteriocin ≤1000cfu/g
Mold and Yeast ≤100cfu/g
Purity (HPLC) ≥99.0%
Details:
Character
White or almost white crystalline powder
Specific rotation -49.0°~-55.0°
dentification(HPLC)
The retention time of the major peak in the chromatogram of the assay preparation corresponds to that in the chromatogram of the Conformal standard preparation, as obtained in the assay
dentification(IR)
The infra-red absorption spectrum in potassium bromide dispersion of sample exhibits maximal at the same wave length as per that of similar preparation of paclitaxel working standard
Clarity and color of solution Clear and colorless
Related Compounds
Cephalomannine ≤0.5%
7-EPI-10-DEACETYL-TAXOL ≤0.3%
7-Epitaxol ≤0.3%
Any unspecified impurity ≤0.3%
Total impurities ≤1.00%
Residual Solvents
Methanol ≤0.3%
Ethanol ≤0.5%
n-hexane ≤0.029%
Acetic ether ≤0.5%
Tetrahydrofuran ≤0.072%
Residual ≤0.388%
Pyridine ≤0.02%
Toluene ≤0.089%
Dichloromethane ≤0.5%
Acetone ≤0.5%
Loss on drving ≤1.0%
Water ≤4.0%
Residue on ignition ≤0.2%
Heavy metals ≤20ppm
Bacterial endotoxin ≤0.4EU/mg
Bacteriocin ≤1000cfu/g
Mold and Yeast ≤100cfu/g
Purity (HPLC) ≥99.0%
Assay(calculated on the anhydrous, solvent-free basis) 98.0%~102.0%