Hangzhou Excelente Chemicals Co., Ltd.  

Product Name: Levodopa USP41 Good Quality Competitive Price Model NO.: USP41 Purity: >99% State: Solid Suitable for: Elderly, Children, Adult Certification: ISO 9001, USP Customized: Non-Customized Powder: Yes CAS No: 59-92-7 Trademark: Excelente Transport Package: 25kg/Drum Specification: USP41 Origin: China HS Code: 2942000000 Product Description Product descriptionLevodopa, which is extracted from Velvet Bean, is the most effective medicine for relieving symptoms of Parkinson's disease. It helps reduce tremor, stiffness, and slowness and helps improve muscle control, balance, and walking. It does not affect freezing, dementia, or problems with involuntary (autonomic) functions, such as constipation, urinary problems, impotence, or pain.Levodopa is a medicine that the brain converts to dopamine. Carbidopa is a medicine (called a decarboxylase inhibitor) that, when taken with levodopa, helps prevent the levodopa from converting to dopamine outside the brain.Package25kg/drumSpecificationItemsStandardCharactersWhite to off-white, odorless, crystalline powder. In the presence of moisture, is rapidly oxidized by atmospheric oxygen and darkens.IdentificationA:IRB:Retention time in Assay must conformParticle size95%pass through 80meshOptical rotation-160°~-167°Levodopa related compound A≤0.100%L-Tyrosine≤0.100%Levodopa related compound B≤0.500%L-Veratrylglycine≤0.100%Individual unknownimpurity≤0.100%Total impurities≤1.1%Bulk density≥0.40g/ccTapped density≥0.60g/ccHeavy metals≤20ppmLoss on drying ≤0.5%Sulphated ash ≤0.1 %Assay(on dry base)98.0-102.0 %Some other major products in our companyProductSpecificationPackageRutinNF11,HPLC92%EP/DAB/BP/USP25kg/drumQuercetin DihydrateUV95%UV98%/HPLC95%Granule/High DensityUSP4025kg/drumQuercetin AnhydrousUV98%/HPLC95%/98%Granule/High Density25kg/drumToxerutinEP9.025kg/drumDiosminEP9.0(micronized granule)25kg/drumHesperidinHPLC85%/88%/90%/95%/97%25kg/drumNaringinHPLC98%25kg/drumNeohesperidinHPLC95%25kg/drumBerberine HydrochlorideCP2010Granule/High Density25kg/drumDiosmin: Hesperidin9:1(micronized granule)25kg/drumCitrus BioflavonoidHPLC25%/45%/50%/60%/80%25kg/drumNeohesperidin Dihydrochalcone(NHDC)EPE95925kg/drumDiosmetinHPLC95%25kg/drumIsoquercitrinHPLC90%/95%/98%25kg/drumL-RhamnoseHPLC98%25kg/drumBuckwheat BioflavonoidsHPLC30%25kg/drumLemon BioflavonoidsHPLC10% Eriocitrin25kg/drumNaringin DihydrochalconHPLC98%25kg/drumMethyl Hesperidin ChalconeUV98%25kg/drumEpimedium ExtractUV10%25kg/drumCistanche Tubulosa Extract25kg/drumWolfberry ExtractUV20%25kg/drum