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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:
7636-26-2
Molecular Weight:
211.21
MDL number:
MFCD00063077
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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Angela Zampella et al.
Organic letters, 7(16), 3585-3588 (2005-07-29)
All stereoisomers of beta-methoxytyrosine (beta-OMeTyr), a stereo-undefined component of callipeltin A, were synthesized from L- and D-tyrosine. The stereochemistry of beta-OMeTyr in callipeltin A was determined to be 2R,3R by an oxidative procedure and Marfey's analysis. [structure: see text]
Eun-Sook Y Lee et al.
Neurochemical research, 33(3), 401-411 (2007-08-24)
Long-term treatment of L-dopa for Parkinson's disease (PD) patients induces adverse effects, including dyskinesia, on-off and wearing-off symptoms. However, the cause of these side effects has not been established to date. In the present study, therefore, 3-O-methyldopa (3-OMD), which is
Aiko Ishihara et al.
Hiroshima journal of medical sciences, 60(3), 57-62 (2011-11-08)
The aim of this study is to clarify the relationship between serum 3-O-methyldopa (3-OMD) and the clinical effects of entacapone. The 3-OMD and maximum serum concentration (Cmax) of levodopa were measured in 21 Parkinson's Disease patients who took 100 mg
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Global Trade Item Number

SKUGTIN
1420006-50MG04061833860533