SPECIFICATION
| Appearance | White or almost white, crystalline powder. |
| PH | 4.5 -7.0 |
| Appearance of solution | Meets the requirements. |
| D-dopa | <0.5% |
| ChloHeavy metals | ≤10ppm |
| Loss on drying | ≤1.0% |
| Related substances: | |
| Sulfated ash | ≤0.1% |
| (2S)-2-amino-3-(2,4,5-trihydroxyphenyl)propanoic | ≤0.1% |
| 3-methoxy-DL-tyrosine | ≤0.2% |
| Unspecified impurities | ≤0.05% |
| Total impurities | ≤1.0% |
| Assay | 98.0%~ 102.0% |
Molecular Structure:
Molecular Formula: C9H11NO4
Molecular Weight: 197.2
Description: White or off white crystalline powder, easily soluble in dilute acid, slightly soluble in water, insoluble in ethanol, ether and chloroform. Odorless, tasteless, black in the air.
Application: Levodopa can treat Parkinson’s disease and Parkinson’s syndrome; Treat liver coma, improve central function, make patients awake and improve symptoms. Promote sleep and reduce fat; Increase bone mineral density and reverse osteoporosis; Increase muscle strength and enhance sexual ability.
Packing and Storage : Preserve in tight, light-resistant containers, store in a dry place, and prevent exposure to excessive heat.
Minimum Order: One package
