Sinoway International (Jiangsu) Co., Ltd.

Products

	Levodopa

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Model Number

CAS No.:59-92-7

China National Chemical Construction Jiangsu Company
Contact: Tao Zhendong
E-mail: tzhendong#cncccjs.com

Levodopa
Standard: BP2002 USP 24 EP4
Packing: 25kgs/drum

Appearance: White or slightly cream
crystalline powder, odorless
Identification: I.R: Positive
Solubility: Meets the requirements
PH: 4.5 ~ 7.0
Color of Solution: Meets the requirements
Organic volatile impurity: Meets the requirements
Light absorption: 137°~ 147°
Optical rotation (BP2002): -1.27°~ -1.34°
Specific rotation (USP24): -160°~ -167°
Heavy metals (BP2002): 10ppm Max
(USP24): 20ppm Max
Related substances (BP2002): Meets the requirements
3-(3,4,6-Trihydroxyphenyl) alanine (USP24): 0.1% Max
3-Methoxytyrosine (USP24): 0.5% Max
Loss on drying: 1.0% Max
Residue on ignition: 0.10% Max
Residual solvent: Ethanol: 1.0% Max
Assay (on Dry Basis): 99.0~101.0%