Levodopa

Specifications:

- Absorbance (280nm) ...................... 134 to 147

- pH (aqueous sol. at 1%) ................. 4.5 to 7.0

- Optical rotation ...............................-1.27o to -1.34o

- Loss on drying ................................0.5% (max.)

- Residue on ignition ......................... 0.1% (max.)

- Assay.............................................99.0% to 101.0%

- Heavy metals .................................10 (ppm max.)

Therapeutic Category: Anti-parkinsonian, anti-cholinergic.

Description: White or sligthly cream crystalline powder produced from vegetable raw material, soluble in diluted HCl and formic acids. Sligthly Soluble in water, pratically insoluble in ethanol, benzene, chloroform and ethyl acetate. In presence of moisture is rapidly oxidized by atmospheric oxygen and darkers.

Quality: BP 98, USP 24, and European Pharmacopoeia 3rd Edition

Packaging: The usual packaging is 25kg net cartoon box with a polyethylene bag inside.

Caution: Preserve in tight, light-resistent containers and in a cool dry place.