Levodopa CAS 59-92-7

Levodopa CAS 59-92-7

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Product Details

 

Product name:
Levodopa
Molecular Formula:
C9H11NO4
Molecular Structure:
mtxx63
Molecular Weight: 
197.2
CAS No.: 
59-92-7


Description

Levodopa is a white or almost white, crystalline powder. It is slightly soluble in water, practically insoluble in ethanol (96 per cent). It is freely soluble in1 M hydrochloric acid and sparingly soluble in0.1 M hydrochloric acid.

 

Application

Dopamine precursor; treatment of Parkinson's disease.

 

Specification

Appearance
White or almost white, crystalline powder.
Appearance of solution
Meets the requirements.
PH
4.5 - 7.0
D-dopa
≤0.5%
Heavy metals 
≤10ppm
Loss on drying 
≤1.0%
Sulfated ash 
≤0.1%
Related substances:

(2S)-2-amino-3-(2,4,5-trihydroxyphenyl)propanoic acid
≤0.1%
(2S)-2-amino-3-(4-hydroxyphenyl)propanoic acid 
≤0.5%
3-methoxy-DL-tyrosine
≤0.2%
Unspecified impurities
≤0.05%
Total impurities
≤1.0%
Assay
99.0%-101.0%


Packing and Storage

Preserve in tight, light-resistant containers, store in a dry place, and prevent exposure to excessive heat.

 

Minimum Order

One package

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