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Postion:Product Catalog >API>Hormones and the Endocrine System>Contraceptives>Norethindrone
Norethindrone
  • Norethindrone
  • Norethindrone
  • Norethindrone
  • Norethindrone
  • Norethindrone

Norethindrone NEW

Price Get Latest Price
Package 1kg 25kg
Min. Order: 1kg
Supply Ability: 20tons
Update Time: 2026-07-21

Product Details

Product Name: Norethindrone CAS No.: 68-22-4
EC-No.: 200-681-6 Min. Order: 1kg
Purity: 99% Supply Ability: 20tons
Release date: 2026/07/21

Product Description

Pharmaceutical Intermediate Norethindrone / 17a-ethynyl-19-nortestosterone
         CAS 68-22-4 for Anti Estrogen Steroids 
 
Product Name

Norethindrone / 17a-ethynyl-19-nortestosterone

CAS NO.68-22-4
AppearanceWhite Powder
Purity99%
Density1.0766
Melting Point205-206 °C
Boiling Point379.83°C
Acidity Coefficient (pKa)13.09±0.40
Refractive Index1.4800
Specific RotationD20 -31.7°; D20 -25° 
ApplicationChemical raw materials;  steroid hormones          
UsageProgestin drugs for irregular menstruation, functional uterine bleeding, endometriosis, etc.
StorageSealed in dry,Room Temperature
Chemical Structure
 
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Company Profile Introduction

Sinoway Industrial co., ltd. was established in 1987 in Xiamen, China, and now has been a leading group specialized in research, development, custom manufacturing and trading of pharmaceutical intermediates, APIs, health and food supplements, cosmetic raw materials, herbal extracts, polypeptides and prostaglandin derivatives, etc.. We have passed ISO9001:2015. With qualified products, competitive price and excellent service, we have received great reputation of our customers from all over the world, including Southeast Asia, Europe, North America, South America, Middle East and other countries. We have over 20 years good partners in Japan、Korea and Switzerland. Sinoway has a professional R&D team. We have built close cooperative relationships with many research institutes and universities in China. Moreover, Sinoway combines market analysis with technology, providing new business trends to our clients. In addition, we have very close cooperation relationships with many Chinese pharmaceutical factories. These pharmaceutical manufacturers have GMP regulated workshops, advanced production and testing equipments, first-class QC labs and a production team with rich experience. We can supply various Active Pharmaceutical Ingredients and finished products which meet EP/USP/BP standards. Chinese GMP, EU-GMP, COS/CEP certificates with DMF documents are available, and many products have been approved by FDA. We believe that quality and innovation are vital for an enterprise. Adhering to the business philosophy of integrity and win-win cooperation, Sinoway is looking forward to have a bright future with you together.

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