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CAS:50-28-2 Estradiol CAS NO.50-28-2

Min.Order Quantity:
1 Kilogram
Purity:
99.5%
Port:
all chinese port
Payment Terms:
T/T,MoneyGram,Other

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Product Details

Keywords

  • Estradiol
  • Estradiol
  • 1,3,5-Estratriene-3,17beta-diol;

Quick Details

  • ProName: CAS:50-28-2 Estradiol
  • CasNo: 50-28-2
  • Molecular Formula: C18H24O2
  • Appearance: White powder
  • Application: Medicine
  • DeliveryTime: within 3-4days after received your pay...
  • PackAge: according to customers' requirements
  • Port: all chinese port
  • ProductionCapacity: 100 Kilogram/Month
  • Purity: 99.5%
  • Storage: store in cool and dry
  • Transportation: by sea or by air
  • LimitNum: 1 Kilogram

Superiority

items specifications results
appearance white or almost white crystalline almost white crystalline powder
melting point 173℃~179℃ 176~179℃
specific optical rotation +76°~+83° +81.0°
identification a: complies by ir conforms
b: complies by uv conforms
not more than 3.0% 1.30%
water not more than 3.5% 3.20%
related substances
principal impurity not more than 0.5% 0.08%
total impurities not more than 1.0% 0.13%
residual solvent
methanol not more than 3000ppm undetected
ethanol not more than 5000ppm 267ppm
assay 97.0% to 103.0%, calculated on anhydrous basis 98.90%
conclusion it conforms to usp37

Details

kono chem co.,ltd is a leading producer of standardized herbal extracts, natural active ingredients and apis for pharmaceutical, health food and cosmetic industries.

the botanical raw materials are subject to strict selection and inspection, and extracts are manufactured according to methods developed by pioneer. they include inspections to guarantee a high quality standard from both analytico-chemical and therapeutic points of view, and take into consideration the state of art in different fields: research and development, analyses, processes and machinery, therapeutic applications on a scientific basis.

with our phytopharmaceutical background and knowledge through experience, pioneer can also provide a wide range of analytical services and reference substances to our clients. in addition, we also manufacture pharmaceutical raw materials of nucleotide species, mainly including as below: sam-e tosylate disulfate; sam-e 1,4-butanedisulfonate; polycytidylic acid; polyinosinic acid; adenosine triphosphate disodium; and cytidine triphosphate disodium; these items are our strongest advantage in china. meanwhile, we can do custom made pharmaceutical ingredients depending on our professional experts in the pharmaceutical and chemistry industry.

recently, kono chem has been working hard on the research and development of new cardiovascular and anesthesia drugs, we have got good achievements; moreover, we also offer natural anticancer drugs and other pharmaceutical intermediates. as a gmp standardized manufacturer, our products can meet or even exceed the standards of cp2010, usp32, bp2005 and ep4. presently, 80% and above of our products have been well-recognized in dozens of countries and regions, such as usa, eu, south america and southeast asia. there are experienced technicians working for our institutes now, all of them are skilled. pioneer is looking forward to cooperating with friends all over the world for getting collaborative development; we are willing to work with you to develop new drugs and expand new business, let's work together for bright future.

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