China High-Purity Pemetrexed Disodium Powder/Apis, Find details about China Pemetrexed, Disodium from High-Purity Pemetrexed Disodium Powder/Apis
Item | Specifications | ||
Appearance | White to slightly yellow powder; Freely soluble in water, 0.1mol/L NaOH; slightly soluble in 0.1mol/L HCl; practically insoluble in chloroform. | ||
Specific optical rotation | +10.0°~ +13.0° | ||
PH | 7.5~8.4 | ||
Water | 7.8%~9.6% | ||
Heavy Metals | NMT 20 ppm | ||
Chloride | NMT 0.05% | ||
Ethyl p-toluenesulfonate | NMT 60 ppm | ||
Impurity A | NMT 0.15% | ||
Impurity D | NMT 0.15% | ||
Other Individual Impurity | NMT 0.1% | ||
Total Impurities | NMT 0.6% | ||
Enantiomer (Impurity E) | NMT 0.3% | ||
Ethanol | NMT 0.5% | ||
Acetone | NMT 0.5% | ||
Dichlomethane | NMT 0.06% | ||
DMF | NMT 0.088% | ||
DMSO | NMT 0.5% | ||
TAMC | NMT 103 cfu/g | ||
TYMC | NMT 102 cfu/g | ||
E. coli. | Should be Absent per g | ||
Alive Mite | Should be Absent | ||
Assay | 98.5% ~ 102.0% of Pemetrexed Disodium (C20H19N5O6Na2), calculated on the anhydrous basis |