Sinoway Industrial Co., Ltd

Date: 16th August 2016
Estriol Hormone CAS No 50-28-2
Sinoway Industrial Co.,Ltd is a famous China estriol manufacturer and supplier, welcome to buy GMP and EP estriol from us and check the price with us.Basic information:Product Name: EstriolMolecular Formula : C18H24O3Molecular Weight: 288.38CAS No.: 50-27-1Appearance: White crystalline PowderSpecifications?USP37Usages :1) It used for leucopenia.2) Treat for prostate enlargement prostate cancers.3) Cervicitis: especially for menopausal syndrome and senilevaginitisItemsSpecificationsResultsDescriptionWhite or almost white, odorless, crystalline powderWhite crystalline powderIdentification1)Infrared absorption spectrophotometry should be consistent with the referenceConforms2)By UN-Vis spectrophotometry, the product solution and reference substance solution of the maximum and minimum absorption wavelength consistentConformSpecific Optical rotation+54?~+62?+58?Clarity of solutionSolution completely clarified and no insoluble solidConformsRelated substancesTotal impurities?2.0%1.5%Loss on drying?0.5%0.10%Assay97.0%~102.0% ?(on the dried basis)99.7%Residual on ignition?0.1%0.04%Residual solventsAcetone?5000ppm59ppmConclusionThe product complies with specification in USP37StoragePreserve in tight, airtight saveRemarksParticle sizeD(0.9)<10?mContacts:Ms. Lvky LvEmail: lv@china-sinoway.comTel: 0086-0592-5887165Mob/WhatsApp/Wechat: 0086-18350268056Skype: lvyundan33
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