Pharmaceutical Reference Standards / Impurity Standards

(R)-Carbidopa
(S)-(-)-Carbidopa
2-amino-3-hydroxy-3-(4-hydroxy-3-methoxyphenyl)propanoic acid
2-Bromo Carbidopa
3,4-dihydroxybenzaldehyde
3,4-O,O-Dimethyl Carbidopa
3-Hydroxy-O-methyl-L-tyrosine
4-O-Methyl Carbidopa
4-O-Methylcarbidopa Impurity H
6,7-dihydroxy-3-methylcinnoline
Carbidopa
Carbidopa BP Impurity C
Carbidopa BP Impurity D
CARBIDOPA EP IMPURITY B
Carbidopa EP Impurity B
Carbidopa EP Impurity E
Carbidopa EP Impurity I
Carbidopa EP Impurity I (racemic)
Carbidopa EP Impurity J
Carbidopa Ethyl Ester
Carbidopa Ethyl Ester Hydrochloride Salt
Carbidopa Hydantoic Acid
Carbidopa Hydrate
Carbidopa Impurity 1
Carbidopa Impurity 2
Carbidopa Impurity 4
Carbidopa Impurity 6
Carbidopa Impurity B
Carbidopa Impurity C
Carbidopa Impurity F
Carbidopa Methyl Ester
Carbidopa Related Compound A
Cyclohexylidene Carbidopa Methyl Ester
D,L-Carbidopa
L-alpha-Methyl DOPA Methyl Ester Hydrochloride
N-nitroso Carbidopa

Isotope Labelled Compounds

13C;D3 Carbidopa Trifluoroacetic acid salt Racemic mixture
Carbidopa D3
Carbidopa D3 Hydrate