Pharmaceutical grade amino acid D-Cysteine Hydrochloride EP4
Brief Description
CAS No.: CAS No:32443-99-5 | Other Names: D-Cysteine hydrochloride monohydra... | MF: C3H7NO2S.ClH |
EINECS No.: 251-043-9 | Place of Origin: Hubei China (Mainland) | Type: Antipyretic Analgesics and NSAIDs, Blood ... |
Grade Standard: Feed Grade, Medicine Grade | Usage: Animal Pharmaceuticals | Brand Name: Soleado |
Model Number: CAS No:32443-99-5 | Purity: 99.6% |
Delivery Terms & Packaging
Packaging Detail: | 25kg/drum |
Delivery Detail: | 7days |
Specifications
1.pharmaceutical intermediates of cefminox
2.Other Names: D-Cysteine hydrochloride monohydrate
3.high quality
Item | Specification (EP4) | Result |
Appearance | White crystals or crystalline powder | White crystalline powder |
Identification | Positive | Conforms (positive) |
Specific rotation | -5.50° to -7.50° | -5.96° |
Ammonium(NH4) | Not more than 0.010% | Not more than 0.010% |
Sulfate(SO4) | Not more than 0.030% | Not more than 0.030% |
Iron(Fe) | Not more than 0.002% | Not more than 0.002% |
Heavy metals(Pb) | Not more than 10ppm | Not more than 10ppm |
Other amino acids | Not more than 0.5% | Not more than 0.5% |
Loss on drying | 8.0% to 12.0% | 9.50% |
Residue on ignition(sulfated) | Not more than 0.10% | 0.06% |
Assay | 98.5% to 101.0% | 99.6% |