Estradiene Dione-3-keta CAS 5571-36-8

Pharmaceutical Intermediate:

Serves as a key steroid intermediate in the synthesis of estrogenic compounds and other steroidal hormones, such as estradiol, estrone, or related pharmaceuticals used in hormone replacement therapy (HRT), contraceptives, and treatments for hormonal disorders.

Utilized in the production of steroid-based drugs for conditions like menopausal symptoms, osteoporosis, or estrogen-dependent therapies (e.g., certain cancer treatments).

Research and Development:

Used in biochemical and pharmacological research as a precursor or reference standard for studying steroid metabolism, hormonal signaling pathways, and the synthesis of novel steroid derivatives.

Store in a cool, dry, and dark place at room temperature (15–25°C) or as specified by the manufacturer; for long-term storage, refrigeration (2–8°C) may be recommended to maintain stability.

Keep the container tightly sealed in an airtight, light-resistant vessel (e.g., amber glass bottle) to prevent exposure to moisture, air, and light, which can induce degradation.

Store away from strong oxidizing agents, acids, bases, and incompatible chemicals to avoid potential chemical reactions.

Stability Under Recommended Conditions:

Stable for 2–3 years when stored in sealed containers under cool, dry, and 避光 (light-protected) conditions.

The ketone and double bond groups may make it susceptible to oxidation or isomerization over time if exposed to heat, humidity, or light.

Sensitivity to Environmental Factors:

Light-sensitive: Prolonged exposure to light can cause photodegradation; use opaque containers or store in shaded areas.

Moderately hygroscopic: May absorb moisture in high-humidity environments, leading to clumping or hydrolysis; use desiccants in storage if necessary.

Incompatible with strong oxidizers, acids, or bases; avoid contact to prevent decomposition or loss of purity.

Handling Precautions:

Wear protective gloves, safety goggles, and a lab coat to prevent direct skin or eye contact, as it may cause irritation.

Ensure proper ventilation in handling areas to avoid inhalation of dust or particles.

Dispose of waste according to local regulations and consult the safety data sheet (SDS) for detailed hazard information and emergency procedures.

Company Profile

ZHONGDA (ZHENGZHOU) INTERNATIONAL EXP.&IMP.CO.,LTD. Is a subsidiary of HENAN KANGYUAN FLAVOR GROUP CO.,LTD.

 

ZhongDa operates monomeric frag rances, synthetic fragrances, chemical raw materials, pharmaceutical and dye intermediates,agricultural and sideline products, metal materials and food flav ors etc..
It is also responsible for the procurement ( of various raw materials, instruments and equipments which are required for the production, engineering,re research and development of subsidiaries of Kangyuan group company. Relying on strong financial support, professional sales network, and high-quality product services, ZhongDa has become the partner of dom nestic and foreign manufacturers and professional customers, and it is a foreign trade-oriented enterpl rise with considerable strength in the spice industry.

ZHONGDA (ZHENGZHOU) INTERNATIONAL EXP.&IMP.CO.,LTD. was established in 2007, with a group of professional business trade, product research and development team.

 

It has rich experience in foreign trade, good domestic and international business reputation, and extensive sales channel advantages. Through the joint efforts, ZhongDa has achieved outstanding results. Our products sell well all over the country and are exp( orted to Southeast Asia, Middle East, America, Europe and other countries and regions. And enjoy high re eputation from domestic and foreign customers.
ZhongDa adheres to the tenet of"Quality first, service firs st". We sincerely hope to establish good coope rative relationship with more companies and strive to mer et the different requirements of customers. We hope that ZhongDa products will help you succeed in your pr oducts. We hope that our products will develop together in big market and create brilliant future. We sincer rely welcome customers to visit, guide and call us!

Advantages

 

1). More than 30 years of production experience and more than 10 years of export sales experience.
2). Our products have Kosher, ISO and Halal certificate.
3). Small batch shipment and sub-packaging is available.
4). Provide COA, MSDS, Health Certificate and Origin Certificate.
5). Quality first, service best.

 

FAQ

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