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Merck
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主要文件

1420006

USP

Levodopa Related Compound B

United States Pharmacopeia (USP) Reference Standard

别名:

DL-3-O-Methyldopa, 3-Methoxytyrosine

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About This Item

经验公式(希尔记法):
C10H13NO4
CAS号:
分子量:
211.21
MDL號碼:
分類程式碼代碼:
41116107
NACRES:
NA.24

等級

pharmaceutical primary standard

API 家族

levodopa

製造商/商標名

USP

應用

pharmaceutical (small molecule)

形式

neat

SMILES 字串

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 密鑰

PFDUUKDQEHURQC-UHFFFAOYSA-N

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一般說明

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.

應用

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

分析報告

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.  ​

其他說明

Sales restrictions may apply.

儲存類別代碼

11 - Combustible Solids

水污染物質分類(WGK)

WGK 3

閃點(°F)

Not applicable

閃點(°C)

Not applicable


历史批次信息供参考:

分析证书(COA)

Lot/Batch Number

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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
Eun-Sook Y Lee et al.
Neurotoxicology, 26(3), 361-371 (2005-06-07)
Long-term treatment of levodopa for Parkinson's disease (PD) patients is known to elevate homocysteine level in their plasma. The present study was designed to examine the possible neurotoxic effects of the increased homocysteine level on the dopaminergic system. Homocysteine was
Li-Hsuan Wang et al.
Phytotherapy research : PTR, 24(6), 852-858 (2009-11-27)
The impacts of caffeic acid (3,4-dihydroxycinnamic acid, CA) on the pharmacokinetics of levodopa (L-dopa) were studied in rabbits. A single dose of 5/1.25 mg kg(-1) L-dopa/carbidopa was administered alone or was co-administered with three different doses of caffeic acid (2.5

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