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Merck

1361010

USP

Levadopa Related Compound A

United States Pharmacopeia (USP) Reference Standard

Synonym(s):

2,5-Dihydroxy-L-tyrosine, 3-(2,4,5-Trihydroxyphenyl)-L-alanine

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About This Item

Empirical Formula (Hill Notation):
C9H11NO5
CAS Number:
Molecular Weight:
213.19
MDL number:
UNSPSC Code:
41116107
NACRES:
NA.24
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grade

pharmaceutical primary standard

API family

levadopa

manufacturer/tradename

USP

application(s)

pharmaceutical (small molecule)

format

neat

storage temp.

−20°C

SMILES string

[N+H3][C@@H](Cc1c(cc(c(c1)O)O)O)C(=O)[O-]

InChI

1S/C9H11NO5/c10-5(9(14)15)1-4-2-7(12)8(13)3-6(4)11/h2-3,5,11-13H,1,10H2,(H,14,15)/t5-/m0/s1

InChI key

YLKRUSPZOTYMAT-YFKPBYRVSA-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

Levadopa 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.


pictograms

Exclamation mark

signalword

Warning

hcodes

Hazard Classifications

Acute Tox. 4 Oral - Skin Irrit. 2

Storage Class

11 - Combustible Solids

wgk

WGK 3

flash_point_f

No data available

flash_point_c

No data available



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Adnan Azeem et al.
International journal of pharmaceutics, 422(1-2), 436-444 (2011-11-08)
Ropinirole, a recent introduction in the clinical treatment of Parkinson's disease, suffers with the problems of low oral bioavailability and frequent dosing. An effective transdermal nano-emulsion drug delivery system can however resolve these issues effectively with greater therapeutic benefits and
G Künig et al.
Neuroscience letters, 169(1-2), 219-222 (1994-03-14)
Excitotoxins L-beta-oxalyl-amino-alanine (L-BOAA) and 3,4,6-trihydroxyphenylalanine (6-OH-DOPA) have been investigated with regard to their potency to inhibit [3H] alpha-amino-3-hydroxy-5-methyl-4- isoxazole-propionic acid (AMPA) binding in human hippocampus in a quantitative autoradiographic study. With dissociation constants (KD) of [3H]AMPA binding and inhibition concentrations
A J Nappi et al.
Biochimica et biophysica acta, 1201(3), 498-504 (1994-12-15)
The interactions of ascorbic acid (AA) and reduced glutathione (GSH) in the oxidations of the catecholaminergic neurotoxins 6-hydroxydopa (TOPA) and 6-hydroxydopamine (6-OHDA) were investigated by both high performance liquid chromatography with electrochemical detection (HPLC-ED) and spectrometric methods. These comparative studies