Shenzhen OK Biotech Technology Co., Ltd. (SZOB)
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     Shenzhen OK Biotech Technology Co., Ltd.(SZOB)

     HK Add: 6/F, Fo Tan Industrial Centre, 26-28 Au Pui Wan St ,Fo Tan, Shatin, Hongkong

     China mainland Add: 8F, Fuxuan Building, No. 46, East Heping Rd, Longhua New  District,  Shenzhen, PRC China

     Email: nicole@ok-biotech.com

        smile@ok-biotech.com

     Web: www.ok-biotech.com

     Tel: +852 6679 4580

Ethinylestradiol CAS:57-63-6

Ethinylestradiol CAS:57-63-6

Ethinylestradiol (EE) is a synthetic, steroidal estrogen and a derivative of estradiol, the major endogenous estrogen in humans. It is an estrogen that is active when taken by mouth and is used in almost all formulations of combined birth control pills, and is nearly the exclusive estrogen used for this purpose. EE was patented in 1935 and came into medical use in 1943.It started being used in COCs in 1964.

Ethinylestradiol CAS:57-63-6



  • Product NameEthinylestradiol 
    CAS Number57-63-6
    Chemical Name17a-ethynyl-1,3,5(10)-estratriene-3,17b-diol; 17alpha-ethynyl-3,17-dihydroxy-delta-(sup1,3,5)-estratriene; eticyclin; eticyclol; etinestrol; etinestryl; feminone; ginestrene; inestra; linoral; lynoral; menolyn; neo-estrone; novestrol; oradiol; orestralyn; palonyl; perovex; primogyn; primogyn c(or m); progynon c; roldiol; spanestrin; ylestrol; 17alpha-Ethynyl-3-hydroxy-1,3,5(10)-estratrien-17beta-ol; 17-ethynyl estradiol; 19-nor-17alpha-pregna-1,3,5(10)-trien-20-yne-3,17,diol; 19-Norpregna-1,3,5(10)-trien-20-yne-3,17-diol, (17alpha)-; 3,17beta-dihydroxy-17alpha-ethynyl-1,3,5(10)-estratriene; amenoron; anovlar; diognat-e; diogyn-e; chee-o-genf; dyloform; EE; esteed; estigyn; estinyl; Estone; estoral (orion); estra-1,3,5(10)-triene-3,17beta-diol, 17alpha-ethynyl-; Ethinyl estradiol; estroals; ethidol; ethinoral; ethinyloestradiol; Ethynyl estradiol; 17-ethynylestra-1,3,5(10)-triene-3,17-diol; (17beta)-17-ethynylestra-1,3,5(10)-triene-3,17-diol; (8xi,9xi,14xi,17beta)-17-ethynylestra-1,3,5(10)-triene-3,17-diol; (17alpha)-17-ethynylestra-1,3,5(10)-triene-3,17-diol; (8alpha,13alpha,17beta)-17-ethynylestra-1,3,5(10)-triene-3,17-diol
    Molecular FormulaC20H24O2
    Molecular Weight296.4034
    Boiling Point457.2°C at 760 mmHg
    Purity>99%
    DescriptionWhite or off  white or light yellow crystalline powder
    PackageSecurity and diversification
    Minimum Order Quantity10g
    PriceNegotiation


  •  Structural Formula:

  • Ethinylestradiol CAS:57-63-6

  • Ethinylestradiol (EE) is a synthetic, steroidal estrogen and a derivative of estradiol, the major endogenous estrogen in humans. It is an estrogen that is active when taken by mouth and is used in almost all formulations of combined birth control pills, and is nearly the exclusive estrogen used for this purpose.


  • EE was patented in 1935 and came into medical use in 1943.It started being used in COCs in 1964.



  • 1 High quality with competitive price:


  • 1) Quality Standard: USP 35


  • 2) Purity: >99%

  • 3) We are manufacturer and can provide high quality products with factory price.


  • 2 Fast and safe delivery:


  • 1) Parcel can be sent out in 24 hours after payment. Tracking number available


  • 2) Secure and discreet shipment. Various transportation methods for your choice.


  • 3 We have clients throughout the world:

  • 1) Professional service and rich experience make customers feel at ease, adequate stock and fast delivery meet their desire.

  • 2) Market feedback and goods feedback will be appreciated, meeting customers' requirement is our responsibility.

  • 3) High quality, competitive price, fast delivery, first-class service gain the trust and praise from the customers.



  • 4 Three Principles

  • 1)Safe delivery: Channel diversification,protect the privacy of customers.And just in case, ensure to re-ship.

  •  

  • 2)Never change: The product will always maintain high purity, will not change,High quality is the culture of our company.

  •  

  • 3)Good services: As quickly as possible to solve customer problems, so that customers receive the goods safely.



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  • Five Categories Of Products

  • 1) Steroid   

  • 2) PCT Drugs        

  • 3)Peptides

  • 4)Fat Loss

  • 5)Sex Hormones



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Address: HK: 6/F,Fo Tan Industrial Centre,26-28 Au Pui Wan St,Fo Tan,Shatin,Hongkong Shenzhen: 8F, Fuxuan Building, No. 46, East Heping Rd, Longhua New District, Shenzhen, PRC China
Tel: +852 6679 4580
 Fax:+852 6679 4580
 E-mail:smile@ok-biotech.com
Shenzhen OK Biotech Technology Co., Ltd.(SZOB)
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