Model: | CAS NO. 59-92-7 |
---|---|
Brand: | ZHEGNDI |
Origin: | Made In China |
Category: | Chemicals / Pharmaceutical Chemicals |
Label: | levodopa , Mucuna pruriens , plant extract |
Price: |
US $1
/ KG
|
Min. Order: | 0.1 KG |
Live Chat: | Last Online:22 Jan, 2014 |
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.