Synonyms
l-cysteine hydrochloride monohydrate, cysteine hydrochloride monohydrate
Technical Data
CAS Number: 7048-04-6
Molecular Formula: HSCH2CH(NH2)COOH · HCl · H2O
Molecular Weight: 175.63
Beilstein Registry Number: 5158059
EC Number: 200-157-7
FabriChem Specifications
ITEM | SPECIFICATION |
---|---|
Appearance | White powder |
Identification | As per USP36 |
Specific Rotation | +5.7° to +6.8° |
Loss on Drying | 8.0 to 12.0% |
Residue on Ignition | NMT 0.4% |
Sulfate | NMT 0.03% |
Iron | NMT 0.003% |
Heavy Metals | NMT 0.0015% |
Total Impurities | NMT 2.0% |
Each Individual Impurity | NMT 0.5% |
Organic Volatile Impurities | As per USP36 |
Residual Solvents | As per USP36 |
Assay | 98.5 to 101.5% |
Microbiology: | |
Total Plate Count | NMT 1,000 CFU/g |
Yeast & Mold | NMT 100 CFU/g |
E. Coli | Negative |
Salmonella | Negative |
Staph. Aureus | Negative/10g |