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- 定制多肽/食品添加剂/植提销售部
- 18086877130(黄女士)
- 冻干粉/氨基酸类原料销售部
- 17738071731(郭女士)
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- 18086877136(孙女士)
- Website:www.jsjpharm.cn
- E-mail:sales@jsjpharm.cn
- address:No. 3 Jianye Avenue, High-tech Zone, Leshan City, Sichuan Province
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. |