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Natural Levodopa



1

Product Name

natural Levodopa (L-Dopa)

2

Appearance

white crystal powder

3

Cas NO

59-92-7

4

molecular formula

C9H11NO4

5

Solubility

meets the requirements

6

Organic volatile impurity

meets the requirements

7

Function

L-DOPA (3,4-dihydroxy-L-phenylalanine) is a naturally occurring amino acid found in food and made from L-Tyrosine in the human body. L-DOPA is converted into dopamine in the brain and body. It is sold as a dietary supplement and as a prescription drug in the US. In clinical use, Levodopa (INN) is administered in the management of Parkinson's disease and dopa-responsive dystonia. It is also used as a component in marine adhesives used by pelagic life.

8

Package

cardboard drum & dplastic container & drum



CERTIFICATE OF ANALYSIS
Product name: Levodopa


Test items

Standard

Test data

Content

99.00%~101.00%

99.42%

Characters

A white or slightly cream-coloured, crystalline powder

White crystalline powder

Solubility

Slightly soluble in water,practically insoluble in alcohol and in ether

Meets the requirements

Identification

Must comply A B C D
Infrared absorption

Meets the requirements
Infrared absorption

Appearance of solution

Meets the requirements

Meets the requirements

Acidity of alkalinity

PH:4.50-7.00

5.36

Optical rotation

-1.27o~-1.34o

-1.31o

Absorbance

137.0-147.0

143.5

Related substances

≤0.50%

0.40%

Heavy metals

≤10ppm

6ppm

Loss on drying

≤1.00%

0.624%

Sulphates ash

≤0.10%

0.06%

Densty/particle size

100mesh

100mesh

Assay

Meets the requirements

Meets the requirements

Storage

Store protected from light

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CONCLUSION:THE QUALITY OF ABOVE COMMODITY COMPLIES WITH BP2007 STANDARD

   
 
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