Carbidopa

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.

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%

Methyldopa

≤0.5%

Carbidopa related components A

≤0.5%

Any unknown impurity

≤0.10%

Total impurities

≤1.0%

Trichloromethane

≤0.006%

Ethanol

≤0.10%

Assay

98.0%~102.0%

Particle size

NLT90% pass 100 mesh

Standard

USP

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.