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Merck
CN

1420006

USP

Levodopa Related Compound B

United States Pharmacopeia (USP) Reference Standard

Synonym(s):

DL-3-O-Methyldopa, 3-Methoxytyrosine

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About This Item

Empirical Formula (Hill Notation):
C10H13NO4
CAS Number:
Molecular Weight:
211.21
MDL number:
UNSPSC Code:
41116107
NACRES:
NA.24
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grade

pharmaceutical primary standard

API family

levodopa

manufacturer/tradename

USP

application(s)

pharmaceutical (small molecule)

format

neat

storage temp.

2-8°C

SMILES string

NC(Cc1cc(c(cc1)O)OC)C(=O)O

InChI

1S/C10H13NO4/c1-15-9-5-6(2-3-8(9)12)4-7(11)10(13)14/h2-3,5,7,12H,4,11H2,1H3,(H,13,14)

InChI key

PFDUUKDQEHURQC-UHFFFAOYSA-N

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

Levodopa Related Compound B 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 Orally Disintegrating Tablets
  • Levodopa
  • Carbidopa and Levodopa Tablets
  • Carbidopa and Levodopa Extended-Release 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.


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Storage Class

11 - Combustible Solids

wgk

WGK 3

flash_point_f

No data available

flash_point_c

No data available



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T Müller et al.
Journal of neural transmission (Vienna, Austria : 1996), 114(3), 347-350 (2006-08-26)
Levodopa (LD) application improves motor symptoms in patients with Parkinson's disease (PD) patients. Little is known on further effects of LD, which induced lower plasma levels of cortisol and lower serotonergic activity in certain brain areas of fish. Objectives of
Thomas Müller et al.
Clinical neuropharmacology, 36(2), 52-54 (2013-03-19)
Levodopa (LD)/dopa decarboxylase inhibitor application increases 3-O-methyldopa (3-OMD) concentrations in association with methyl group transfers, which demand for the conversion of methionine to homocysteine. This accompanying reaction is partially reversible by methyl group-donating vitamins. The objective of this study was
Manuel Vaz-da-Silva et al.
Drugs in R&D, 9(6), 435-446 (2008-11-08)
Levodopa is the most effective symptomatic treatment for Parkinson's disease (PD), but its use is often associated with development of motor complications. These adverse responses to fluctuations in dopaminergic stimulation can be reduced by concomitant administration of a catechol-O-methyltransferase (COMT)



Global Trade Item Number

SKUGTIN
1420006-50MG04061833860533