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Key Documents

1095517

USP

Carbidopa Related Compound A

United States Pharmacopeia (USP) Reference Standard

Synonym(s):

3-O-Methylcarbidopa, (RS)-2-Hydrazino-3-(4-hydroxy-3-methoxyphenyl)-2-methylpropionic acid

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About This Item

Empirical Formula (Hill Notation):
C11H16N2O4
CAS Number:
Molecular Weight:
240.26
Beilstein/REAXYS Number:
3968037
MDL number:
UNSPSC Code:
41116107
PubChem Substance ID:
NACRES:
NA.24

grade

pharmaceutical primary standard

API family

carbidopa

manufacturer/tradename

USP

application(s)

pharmaceutical (small molecule)

format

neat

SMILES string

OC1=CC=C(CC(C)(NN)C(O)=O)C=C1OC

InChI

1S/C11H16N2O4/c1-11(13-12,10(15)16)6-7-3-4-8(14)9(5-7)17-2/h3-5,13-14H,6,12H2,1-2H3,(H,15,16)

InChI key

CZEXQBQCMOVXGP-UHFFFAOYSA-N

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General description

This product is provided as delivered and specified by the issuing Pharmacopoeia. All information provided in support of this product, including SDS and any product information leaflets have been developed and issued under the Authority of the issuing Pharmacopoeia.For further information and support please go to the website of the issuing Pharmacopoeia.

Application

Carbidopa Related Compound A USP reference standard, intended for use in specified quality tests and assays as specified in the USP compendia.

Analysis Note

These products are for test and assay use only. They are not meant for administration to humans or animals and cannot be used to diagnose, treat, or cure diseases of any kind.  ​

Other Notes

Sales restrictions may apply.

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable


Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Journal - Association of Official Analytical Chemists, 69(1), 169-173 (1986-01-01)
A rapid reverse phase liquid chromatographic method was developed for the determination of levodopa and levodopa-carbidopa in tablets and capsules. The method also separates these drugs from 3-(3,4,6-trihydroxyphenyl)alanine and methoxytyrosine, impurities of levodopa, and from methyldopa and 3-O-methylcarbidopa, impurities of

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