Sinoway Industrial Co., Ltd

Date: 16th August 2016
Estradiol Powder CAS No 50-28-2
Sinoway Industrial Co.,Ltd is a famous China estradiol manufacturer and supplier, welcome to buy GMP and EP estradiol from us and check the price with us.Basic information:Product Name: EstradiolMolecular Formula : C18H24O2Molecular Weight: 272.38CAS No.: 50-28-2Appearance: White crystalline powderSpecifications?USP37.Usages :1)Using in female reproduction, as a growth for tissue of the reproduction organs.2)Estradiol also have a profound effect on bones.?3)It can treat for prostate cancer in late stage and metastatic breast cancer.ItemsSpecificationsResultsDescriptionWhite or off-white crystalline powder or colourless crystalsWhite crystalline powderSpecific optical rotation+76?~+83?+80?Melting Point173~179?177~179?IdentificationAInfrared absorptionInfrared absorption spectrophotometry should be consistent with the referenceConformsBAbsorptivities at 280nm, calculated on the anhydrous basis, do not differ by more than 3.0%ConformWater Content?3.5%3.2%Related SubstancesAny individual impurity?0.5%0.21%Total impurities?1.0%0.33%Assay97.0%~103.0%(On the anhydrous substance )99.2%Residual SolventsMethanol? 3000ppmNot detectableEthanol?5000ppm280ppmAcetone?5000ppmNot detectableAcetic acid?5000ppmNot detectableConclusionThe product complies with specification in USP37Storage ConditionPreserve in tight, light-resistant containers, Store at 25?, excursions permitted between 15? and 30?Contacts:Ms. Lvky LvEmail: lv@china-sinoway.comTel: 0086-0592-5887165Mob/WhatsApp/Wechat: 0086-18350268056Skype: lvyundan33
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