CAS No.: | 7048-04-6 |
---|---|
Formula: | C3h10clno3s |
EINECS: | 615-117-8 |
Packaging Material: | Paper |
Storage Method: | Normal |
Shelf Life: | >12 Months |
Samples: |
---|
Suppliers with verified business licenses
Description:
L - cysteine hydrochloride monohydrate is mainly used in medical field: made of drugs in clinic to cure leukopenia and application of anti-cancer drugs and radioactive drugs, leukopenia caused by heavy metal poisoning antidote, is also used in the treatment of viral hepatitis, thrombocytopenia, skin ulcer, and can prevent liver degeneration, treatment of bronchitis and phlegm
items |
Standard |
Test Result |
Appearance |
White crystals or crystalline powder |
White crystalline powder |
Identification |
Infrared absorption |
Conform |
Assay |
98.5%~101.5% |
99.3% |
Residue on ignition |
≤0.4% |
<0.06% |
Sulfate (SO4) |
≤0.03% |
<0.03% |
Iron (Fe) |
≤30ppm |
<30ppm |
Heavy metals (Pb) |
≤15ppm |
<15ppm |
Related compounds |
Not more than 0.5% of any individual impurity is found; Not more than 2.0% of total impurities is found |
Conform |
Specific rotation [α]D25 |
+5.7°~+6.8° |
+5.9° |
Loss on drying |
8.0~12.0% |
11.1% |
Conclusion |
This batch is conforming with the standard of USP39. |
Suppliers with verified business licenses