Product Description

t Name: Levodopa CAS No.: ******7 Features: 1) Levodopa (L-Dopa, L-Tyrosine, Larodopa, Dopar) 2) CAS no.: ******7 3) Standard: BP***2, USP *4, EP4 4) Molecular formula: C9H*1NO4 5) Molecular weight: **7.*9 Packing: *5kg/drum Levodopa Specifications: 1) Appearance: white or slightly cream crystalline powder, odorless 2) Identification: xxxxx: positive 3) Solubility: meets the requirements 4) PH: 4.5 ~ 7.0 5) Color of solution: meets the requirements 6) Organic volatile impurity: meets the requirements 7) Light absorption: **7 ~ **7o 8) Optical rotation (BP***2): *1.*7 ~ *1.*4o 9) Specific rotation (USP*4): ***0 ~ ***7o *0) Heavy metals (BP***2): *0ppm max., USP*4 *0ppm max. *1) Related substances (BP***2): meets the requirements *2) *-(3,4,*-Trihydroxyphenyl) alanine (USP*4): 0.1% max. *3) *-Methoxytyrosine (USP*4): 0.5% max. *4) Loss on drying: 1.0% max. *5) Residue on ignition: 0.*0% max. *6) Residual solvent: Ethanol: 1.0% max. *7) Assay (on dry basis): *9.0~**1.0%