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Chemical Name |
Carbidopa |
|
CAS Number |
38821-49-7 |
|
Molecular Formula |
C10H14N2O4.H2O |
|
Molecular Weight |
244.25 |
|
Application |
Carbidopa is a decarboxylase inhibitor. In combination with levodopa ,it is used to treat tremor paralysis. |
SPECIFICATION:
|
ITEMS |
SPECIFICATION |
|
Appearance |
A White or creamy white powder |
|
Identification |
IR:IR spectrum is consistent with Carbidopa CRS HPLC: Conform with the retention time of the major peak in the chromatogram. |
|
Specific rotation |
-21.0°~-23.5°,calculated as the monohydrate |
|
Loss on drying |
6.9%~7.9% |
|
Residue on ignition |
≤0.1% |
|
Heavy metals |
≤0.001% |
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Methyldopa |
≤0.5% |
|
Carbidopa related components A |
≤0.5% |
|
Any unknown impurity |
≤0.10% |
|
Total impurities |
≤1.0% |
|
Trichloromethane |
≤0.006% |
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Ethanol |
≤0.10% |
|
Assay |
98.0%~102.0% |
|
Particle size |
NLT90% pass 100 mesh |
|
Standard |
USP |
Packaging details:
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Packaging details: |
25kg/drum with double plastic bags inside; packed in a cardboard drum or fiber HDPE drum. |
|
Storage: |
Stored in a clean, cool, dry area; keep away from moisture and strong, direct light/heat |
|
Shelf Life: |
5 years if sealed and store away from direct sun light. |
