Estriol USP, EP5 CAS NO.50-27-1

estriol 50-27-1 ;estriol ;estriol

description: white to practically white, odorless crystalline powder

specific rotation: +54°~+62°

loss on drying: ≤0.5%

residue on ignition: ≤0.1%

dilutions of impurities 0,05mg/l: < 0,25%

dilutions of impurities 0,10mg/l:< 0,5%

dilutions of impurities 0,20mg/l:< 1,0%

total impurity:< 2,0%

assay: 97.0%~102.0%

conform to usp31 standard


antimex group, was founded in 2001,we are specializing in manufacturing & researching, warehouse & logistics of active pharmaceutical ingredients, pharmaceutical and chemical raw materials, veterinary pharm apis,chelate agent,rubber chemicals and water treatment chemicals.our markets cover all over the world,with the annual turnover of more than 5million dollars.

our advantage products of veterinary apis base on antibiotics andantiparasitics,liketilmiconsin,tylosinphosphare,florfenicol,flumequine,flunixinmeglumine,clopidol,albendazole,fenbendazole, all our products production by gmp,we always insist to supply our best service to animal health industry,

in 2005, antimex(shandong)chemical plant joined our group, our shandong plant mainly produce ethyl chloride, and methyl chloride.used as an intermediate for manufacture of metallorganic compounds like tetraethyl lead and ethylcelluloses. we also distribute food and feed additives,silicone monomer and water treatment chemicals,like calcium hipochlorite 65% and 70%,pac,dcdfs(dichlorodiphenylsilane),apg08-10,apg12-14.etc.advanced production equipments, professionaltechnology, long-years marketing experiences and excellent service team, ensure that we have got good reputations fromthe customers from europe, america and middle east, southeast asia, all over the world.

as an advancing company, antimex people sincerely hopes to build up a brilliant future with our friends at home and abroad! welcome contact us freely!