levodopa, Mucuna pruriens extract

Post Date:
Nov 26,2013
Expiry Date:
Nov 26,2014
Detailed Description:
Cas No. :59-92-7 Specs:More than 99%
Levodopa

Plant origin: the seeds of Mucuna pruriens, var.utilis

Chemical name: 3-hydroxy-L-tyrosine,
Alias：dihydroxy phenylalanine

Molecular formula: C9H11NO4

Molecular weight: 197.19

CAS number: 59-92-7

Specification: More than 99%,Comply with the current version of the United States Pharmacopoeia and the Chinese Pharmacopoeia requirements.

Properties: white or almost white crystalline powder. Soluble in diluted acid, slightly soluble in water, insoluble in ethanol and chloroform. Odorless, tasteless, black in the air.

Melting point: 285.5 centigrade degree (decomposition); Specific rotation: -11.7 degree (C = 5.3,1 NHCl)

Effect and treat symptoms: antiparkinsonian drugs. Effect through the blood-brain barrier into the brain tissue and decarboxylation by dopa decarboxylase into dopamine. Used for essential tremor paralysis and non-drug-induced parkinsonism syndrome.

Product particularity: Low residues of tyrosine and other impurities.
CAS Registry Number:
59-92-7
Synonyms:
;L-3-(3,4-Dihydroxyphenyl)alanine;Levodopa;L-DOPA 3,4-L-Dihydroxyphenylalanine;3-Hydroxy-L-tyrosine;H-Tyr(3-OH)-OH;L-3-Hydroxytyrosine;
Molecular Formula:
C₉H₁₁NO₄
Molecular Weight:
197.1879
Molecular Structure:
Hazard Symbols:
Xn:Harmful;
Risk Codes:
R22:;
Safety Description:
S24/25:;

Offter to Sell