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- Website：www.jsjpharm.cn
- E-mail：sales@jsjpharm.cn
- address：No. 3 Jianye Avenue, High-tech Zone, Leshan City, Sichuan Province
E-mail：Product Introduction-----L-Levodopa（L-DOPA）
L-Levodopais produced by method of Fermentation process which is a green and environmental line. It can be better to relief the environment press than chemical synthesis.
Product specification-----L-Levodopa（L-DOPA）
Item | Standard |
Appearance | White to slightly cream coloured, crystalline powder |
Identification | A.IR |
B.Chemical reaction | |
C.Chemical reaction | |
D.Chemical reaction | |
Solubility | Slightly soluble in water,pratically insoluble in alcohol and in ether,freely soluble in 1M hydrochloric acid and sparingly soluble in 0.1M hydrochloric acid. |
Appearance of solution | Not more intensely coloured than reference solution BY6 |
pH | 4.5~7.0 |
Related substances | Single impurity ≤0.5% |
Specific rotation | -1.27°~-1.34° |
Bulk density | ≥0.40gm/cc |
Tapped Density | ≥0.60gm/cc |
Loss on drying | Not more than 1.0% |
Particle size | 100% pass through 80 mesh |
Heavy metals | Not more than 10ppm |
Mercury | Not more than 0.1ppm |
Arsenic（As） | Not more than 1ppm |
Lead | Not more than 3ppm |
Iron（Fe） | Not more than 10ppm |
Cadmium | Not more than 1ppm |
Ash | Not more than 0.1ppm |
Assay | 99.0%～101.0% |
GMO/BSE Status | Not genetically modified organism. Free of BSE. |
Storage | Store in tight containers,in a cool dry area. |
