Skip to Content
Merck
All Photos(1)

Documents

1095506

USP

Carbidopa

United States Pharmacopeia (USP) Reference Standard

Synonym(s):

(S)-3-(3,4-Dihydroxyphenyl)-2-hydrazino-2-methylpropionic acid monohydrate

Sign Into View Organizational & Contract Pricing
All Photos(1)

About This Item

Empirical Formula (Hill Notation):
C10H14N2O4 · H2O
CAS Number:
38821-49-7
Molecular Weight:
244.24
MDL number:
MFCD00889211
UNSPSC Code:
41116107
PubChem Substance ID:
329749233
NACRES:
NA.24

grade

pharmaceutical primary standard

API family

carbidopa

manufacturer/tradename

USP

application(s)

pharmaceutical (small molecule)

format

neat

SMILES string

O.C[C@@](Cc1ccc(O)c(O)c1)(NN)C(O)=O

InChI

1S/C10H14N2O4.H2O/c1-10(12-11,9(15)16)5-6-2-3-7(13)8(14)4-6;/h2-4,12-14H,5,11H2,1H3,(H,15,16);1H2/t10-;/m0./s1

InChI key

QTAOMKOIBXZKND-PPHPATTJSA-N

Gene Information

human ... DDC(1644)

Looking for similar products? Visit Product Comparison Guide

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 USP reference standard, intended for use in specified quality tests and assays as specified in the USP compendia. Also, for use with USP monographs such as:
  • Carbidopa and Levodopa Extended-Release Tablets
  • Carbidopa and Levodopa Orally Disintegrating Tablets
  • Carbidopa and Levodopa Tablets

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.

Pictograms

Exclamation mark
GHS07

Signal Word

Warning

Hazard Statements

H302,H319

Hazard Classifications

Acute Tox. 4 Oral - Eye Irrit. 2

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

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’.

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Mohseni Mehran S M et al.
Journal of clinical and diagnostic research : JCDR, 7(6), 1004-1007 (2013-08-02)
According to many studies, sprouted fava beans are a rich source of levo-dihydroxy phenylalanine (L-dopa) the precursor of dopamine, and they are now being investigated for use in the management of Parkinson's disease. The addition of Carbidopa (C-dopa) can reduce
Q. Alan Xu, Timothy L. Madden
Analytical Methods for Therapeutic Drug Monitoring and Toxicology, 80-80 (2011)
J I Sage et al.
Clinical neuropharmacology, 17 Suppl 2, S1-S6 (1994-01-01)
This article reviews the pharmacokinetics of Sinemet CR, a controlled-release (CR) levodopa preparation. The main influences on the kinetic profile are as follows: absorption, which depends on the dissolution characteristics of the tablet, the pattern of gastric emptying, and the
Ina Schabram et al.
The Journal of neuroscience : the official journal of the Society for Neuroscience, 34(44), 14769-14776 (2014-10-31)
Methylphenidate (MPH) inhibits the reuptake of dopamine and noradrenaline. PET studies with MPH challenge show increased competition at postsynaptic D2/3-receptors, thus indirectly revealing presynaptic dopamine release. We used [(18)F]fluorodopamine ([(18)F]FDOPA)-PET in conjunction with the inlet-outlet model (IOM) of Kumakura et
Robert A Hauser
Expert review of neurotherapeutics, 12(2), 133-140 (2012-02-01)
Levodopa (LD) remains the most effective medication to treat Parkinson's disease (PD). However, most patients develop motor fluctuations and dyskinesias with long-term LD use. It is thought that these response complications are due, at least in part, to LD's short
View All Related Papers

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service