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Key Documents

PHR1271

Supelco

Levodopa

Pharmaceutical Secondary Standard; Certified Reference Material

Synonyme(s) :

3,4-Dihydroxy-L-phenylalanine, 3-(3,4-Dihydroxyphenyl)-L-alanine, L-3-Hydroxytyrosine, L-DOPA, Levodopa

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About This Item

Formule linéaire :
(HO)2C6H3CH2CH(NH2)CO2H
Numéro CAS:
Poids moléculaire :
197.19
Numéro Beilstein :
2215169
Numéro CE :
Numéro MDL:
Code UNSPSC :
41116107
ID de substance PubChem :
Nomenclature NACRES :
NA.24

Qualité

certified reference material
pharmaceutical secondary standard

Niveau de qualité

Agence

traceable to BP 213
traceable to Ph. Eur. L0400000
traceable to USP 1361009

Famille d'API

levodopa

CofA (certificat d'analyse)

current certificate can be downloaded

Technique(s)

HPLC: suitable
gas chromatography (GC): suitable

Pf

276-278 °C (lit.)

Application(s)

pharmaceutical (small molecule)

Format

neat

Température de stockage

2-8°C

Chaîne SMILES 

N[C@@H](Cc1ccc(O)c(O)c1)C(O)=O

InChI

1S/C9H11NO4/c10-6(9(13)14)3-5-1-2-7(11)8(12)4-5/h1-2,4,6,11-12H,3,10H2,(H,13,14)/t6-/m0/s1

Clé InChI

WTDRDQBEARUVNC-LURJTMIESA-N

Informations sur le gène

human ... DRD3(1814)

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Description générale

Pharmaceutical secondary standards for application in quality control, provide pharma laboratories and manufacturers with a convenient and cost-effective alternative to the preparation of in-house working standards. Levodopa is a metabolic precursor of the neurotransmitter dopamine and is widely used in the treatment of Parkinson′s disease.

Application

Levodopa may be used as a pharmaceutical reference standard for the quantification of the analyte in pharmaceutical formulations using flow injection spectrophotometric method and 1H nuclear magnetic resonance spectroscopy.
These Secondary Standards are qualified as Certified Reference Materials. These are suitable for use in several analytical applications including but not limited to pharma release testing, pharma method development for qualitative and quantitative analyses, food and beverage quality control testing, and other calibration requirements.

Remarque sur l'analyse

These secondary standards offer multi-traceability to the USP, EP (PhEur) and BP primary standards, where they are available.

Autres remarques

This Certified Reference Material (CRM) is produced and certified in accordance with ISO 17034 and ISO/IEC 17025. All information regarding the use of this CRM can be found on the certificate of analysis.

Note de bas de page

To see an example of a Certificate of Analysis for this material enter LRAC2957 in the slot below. This is an example certificate only and may not be the lot that you receive.

Pictogrammes

Exclamation mark

Mention d'avertissement

Warning

Mentions de danger

Classification des risques

Acute Tox. 4 Oral - Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

Organes cibles

Respiratory system

Code de la classe de stockage

11 - Combustible Solids

Classe de danger pour l'eau (WGK)

WGK 3


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Certificats d'analyse (COA)

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Consulter la Bibliothèque de documents

Parkinson's Disease and Related Disorders, 506(1), 97-104 (2006)
1H nuclear magnetic resonance spectroscopy analysis for simultaneous determination of levodopa, carbidopa and methyldopa in human serum and pharmaceutical formulations
Talebpour Z, et al.
Analytica Chimica Acta, 506(1), 97-104 (2004)
Handbook of Parkinson's Disease
Parkinson's Disease and Related Disorders, 506(4), 97-104 (2007)
L H Marcolino-Júnior et al.
Journal of pharmaceutical and biomedical analysis, 25(3-4), 393-398 (2001-05-30)
A flow injection spectrophotometric procedure was developed for determining levodopa in tablets. The determination of this drug was carried out by reacting it with lead(IV) dioxide immobilized in polyester resin packed in a solid-phase reactor and the dopachrome yielded was
Roshan Cools
Neuroscience and biobehavioral reviews, 30(1), 1-23 (2005-06-07)
It is well recognised that patients with Parkinson's disease exhibit cognitive deficits, even in the earliest disease stages. Whereas, L-DOPA therapy in early Parkinson's disease is accepted to improve the motor symptoms, the effects on cognitive performance are more complex:

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