L-Levodopa

Product IntroductionL-Levodopa（L-DOPA）
L-Levodopa is 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 specificationL-Levodopa （L-DOPA）
Items 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.

1kg