Wuhan Senwayer century chemical Co..Ltd located in the predominant Wuhan City where is a traffic hinge of China, specialize in producing and developing pharmaceutical & its intermediates, Pesticide Intermediate, food additive, Plant extracts,and in distributing the products of our own company and affiliated enterprises.

We have set up R&D center, quality inspection center and manufacturing site in Wuhan, Jiangsu and other places.

Our company has professional staff who deal with chemical R&D and scientific management, and holds several sets of analyzing instruments with high efficiency and high sensitivity, such as HPLC, GC and Spectrophotometer. Meanwhile, we possess of complete Q.A. and Q.C. system, supply chemical products with good quality and custom-tailored products according to our clients' requirement.

We have professional sales team, focus on quality and service, and we have achieved excellent performance over the years. Our company is committed to the development of international market , our products are mainly exported to many countries and regions, such as Europe, America, South-east Asia, the Middle East and Africa etc. With our constant efforts and good service, We sincerely hope to establish long-term cooperation and common development with our customers.

Etynodiol diacetate, or ethynodiol diacetate, sold under the brand names Demulen and Femulen among others, is a progestin medication which is used in birth control pills. The medication is available only in combination with an estrogen.It is taken by mouth.

Etynodiol diacetate is a progestin, or a synthetic progestogen, and hence is an agonist of the progesterone receptor, the biological target of progestogens like progesterone.It has weak androgenic and estrogenic activity and no other important hormonal activity.The medication is a prodrug of norethisterone in the body, with etynodiol occurring as an intermediate.

Etynodiol, a related compound, was discovered in 1954, and etynodiol diacetate was introduced for medical use in 1965. The medication remains available today only in the United States, Canada, and a few other countries.