Carbidopa manufacturer,supplier - Highassay Chemical

Product:	Carbidopa
Other name:	Benzenepropanoic acid,α-hydrazino-3,4-dihydroxy-α-methyl-,monohydrate(-)-L-α-Hydrazino-3,4-dihydroxy-α-methylhydrocinnamic acid monohydrate
Structure:
Formula:	C10H14N2O4,H2O
Molecular weight:	244.2
CAS No.:	38821-49-7
Quality Standards:	Ph. Eur/USP
Characteristics:	A white or yellowwish-white powder,slightly soluble in water,very slightly soluble in slcohol,practically insoluble in methylene chloride.It dissolves in dilute solutions of mineral acids.
Packing:	25kg/drum

Items	Standards
Description	A white or creamy-white powder
Solubility	Slightly soluble in water, freely soluble in 3N hydrochloric acid; slightly soluble in methanol; practically insoluble in alcohol, in acetone, in chloroform, and in ether.
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°
Loss on drying	6.9% ～ 7.9%
Residue on ignition	0.1% max
Heavy metal	0.001% max
-Methyldopa	0.5% max
-Carbidopa related components A	0.5% max
-Any unknown impurity	0.10% max
-Total impurities	1.0%max
Residual solvents	Meet the requirement
Assay	98.0%~102.0%

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