Mainly engaged in the development and production of new pharmaceutical intermediates

lnvolved in anti-cancer, cardiovascular, mental diseases and other fields



Product Name:

Levonorgestrel 13-ethyl-17-alpha-ethynyl-17-beta-hydroxy-4-gonen-3-one;








Product Features

1. CAS NO : 797-63-7
2. Molecular formula:C21H28O2.
3.Chemical Structure


4. Melting point: 206°C.
5. Boiling point: 392.36°C (rough estimate)
6. Density: 1.0697 (rough estimate)

DescriptionLevonorgestrel is a known compound, and its chemical name is (-13-ethyl-17-hydroxy-18,19-bis-demethyl-17) αGesterol-4-ene-20-alkyne-3-one, English name :levonorgestrel. Levonorgestrel is a quick acting, short-term oral contraceptive. The contraceptive mechanism is to significantly inhibit ovulation and prevent the implantation of pregnant eggs, and increase the consistency of cervical mucus, sperm penetration resistance, so as to play a quick contraceptive role.

Applicationlevonorgestrel is used for female emergency contraception, that is, contraception after rooming without protective measures or failure of other contraceptive methods (condom slippage or rupture, out of control ejaculation, miscalculation of safety period, etc.

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We are Princechem Pharmaceutical manufacturer pass 20 years experience.  Types of chemical reactions in are etherification, ammoniation, chlorination, esterification, cyclization, hydrogenation and Grignard reaction, etc..Over the past 10 years, more than 400 catalog products were developed. In recent years, more than 40 kinds of key pharmaceutical intermediates have been developed, involving anti-cancer, cardiovascular, digestive system, mental diseases and other fields. It includes the key intermediates of API such as Quetiapine, Fluvaxamine, Erlotinib, Gefitinib, Sunitinib, Lapatinib, Rabeprazole and Lafutidine. For many years, we have been providing high quality pharmaceutical intermediates for many world-famous pharmaceutical companies.

HI-Tech Enterprise was honored to YPC in 2011. The company adheres to scientific and technological innovation and has more than 10 authorized invention patents.

YPC insists on using the international standard management systems to promote our managements and have established the systems of ISO9001:2000, ISO14001:2004 and OHS18001:1999. Over the past few years, it has passed on-site audits by more than 20 international and domestic pharmaceutical companies.

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