HK Neopharm Limited is one of the most reliable manufacturers and suppliers of estradiol api in China, featured by quality products and good price. Please rest assured to buy estradiol api in stock here and get quotation from our factory. Customized orders are welcome.
Our estradiol API series consists of key steroidal estrogen raw materials, including natural endogenous estradiol API (CAS 50-28-2), synthetic potent Estradiol valerate (CAS 979-32-8), and long‑acting long acting stable form Estradiol hemihydrate (CAS 35380-71-3). These products exhibit high selectivity for estrogen receptors with minimal interference to other steroid receptors, ensuring excellent safety. They are widely used in contraception, menopausal hormone replacement therapy, menstrual disorder treatment, and other gynecological endocrine therapies, serving as essential pharmaceutical raw materials for women's health.
Technical Specifications
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Product Name |
Estradiol API |
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Synonyms |
Estradiol powder, Estradiol Raw Material |
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Characteristics |
A white or off-white crystalline powder |
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CAS Number |
50-28-2 |
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Assay |
≥99.0% (HPLC, Subject to the COA) |
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Formula |
C18H24O2 |
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Package |
Technical Package |
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Storage |
Storage: Store at 2–8°C, tightly sealed, dry and protected from light. Long-term stability: -20°C: Stable for 3 years as powder. 4°C (2–8°C): Stable for 2 years. Room temperature (<30°C): For short-term use only; not recommended for long-term storage. |
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Structure |
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Estradiol API (CAS 50-28-2) is manufactured via mature synthetic processes and standardized production systems with strict quality inspection throughout production. The product features qualified purity, controllable impurities, and excellent batch stability. As a core steroidal estrogen raw material in gynecological endocrine therapy, it supports formulation development, clinical research, and commercial production, providing high‑quality raw material support for women's health drug R&D. As trusted China estradiol Raw Material manufacturers, we ensure stable and reliable supply.
Product Features
Estradiol API (CAS 50-28-2) is the core raw material of endogenous human estrogen and a fundamental pharmaceutical ingredient for gynecological endocrine treatments. We also supply derivatives including Estradiol valerate (CAS 979-32-8) and Estradiol hemihydrate (CAS 35380-71-3) to meet diversified clinical demands.
All products are produced in strict accordance with international GMP standards with refined quality control. HPLC purity is ≥99.0%, with stable crystal form and well‑controlled impurities. Excellent batch consistency provides reliable quality support for formulation R&D and large‑scale production. We are professional China estradiol powder suppliers committed to premium quality.
As a classic highly selective estrogen receptor agonist, estradiol API precisely regulates female endocrine balance, suitable for menopausal hormone replacement and menstrual disorder treatment. Derivatives extend clinical applications for contraception and long‑acting therapy.
We provide complete regulatory documents including COA and MSDS, supported by professional cold‑chain storage and transportation. Estradiol API, estradiol powder, and estradiol raw material are all in stock, enabling fast response to global R&D, pilot, and commercial production demands. We also support customized estradiol powder packaging.
Full-Cycle Quality Control & Consistent Quality
Estradiol API (CAS 50-28-2) implements a full‑cycle quality control system from raw material procurement and synthesis to final release, also covering Estradiol valerate (CAS 979-32-8) and Estradiol hemihydrate (CAS 35380-71-3). Each step complies with pharmacopeial standards to ensure full‑process quality control.
Based on mature synthesis and standardized production, estradiol API achieves consistent purity, crystal form, and impurity profile between batches. Derivatives maintain equivalent quality, delivering stable support for formulation development and industrial production.
All series products comply with international GMP guidelines with complete documentation. A continuous quality improvement system dynamically optimizes standards to ensure long‑term stable supply and safe application of estradiol API and its derivatives. Our China estradiol API factory operates under strict GMP conditions.
Application Scenarios
As a classic natural estrogen raw material, estradiol API (CAS 50-28-2) has extensive and mature clinical applications and is indispensable in gynecological endocrine therapy. Combined with Estradiol valerate (CAS 979-32-8) and Estradiol hemihydrate (CAS 35380-71-3), it covers multiple disease treatments and drug developments across the female life cycle as follows:
Estradiol raw material serves as a core component in menopausal hormone replacement therapy, effectively relieving hot flashes, insomnia, and other menopausal symptoms. Combined with Estradiol hemihydrate (CAS 35380-71-3), it provides long‑lasting endocrine regulation.
It is used for hormone replacement in ovarian insufficiency and primary amenorrhea to restore normal menstrual cycles. Estradiol valerate (CAS 979-32-8) is suitable for long‑term endocrine regulation in menstrual disorder formulations.
Estradiol raw material supports contraceptive drug development. Its derivative Estradiol valerate (CAS 979-32-8) features high activity and bioavailability, making it a key estrogen component in combined oral contraceptives for mass production. Clients worldwide buy estradiol API from us for reliable projects.
It is widely used in adjuvant treatment for endometriosis, PCOS, and other gynecological diseases, and supports endocrine‑related clinical research. Derivatives further expand applications, supporting comprehensive women's health drug development. We supply bulk estradiol API with estradiol powder free sample available on request.
Packaging and Transportation
Estradiol API (CAS 50-28-2) is sensitive to storage and transportation conditions. To maintain purity and stability, we have established standardized packaging and a fully traceable logistics system, also adapting to the storage and transport features of Estradiol valerate (CAS 979-32-8) and Estradiol hemihydrate (CAS 35380-71-3) to ensure safe delivery.
Standard Packaging Specifications
Estradiol powder is vacuum‑ sealed in pharmaceutical‑ grade aluminum foil bags with double sterile inner liners to suit various order quantities. We also provide customized estradiol API packaging for Estradiol valerate(CAS 979-32-8) and Estradiol hemihydrate (CAS 35380-71-3).
Temperature‑Controlled Warehouse Management
Products are stored at 2–8℃ in dark and low‑temperature conditions with real‑time temperature and humidity monitoring to prevent degradation. Full traceability ensures consistent batch quality. All goods are estradiol Raw Material made in China with strict quality control.
Cold‑Chain Transportation Guarantee
Supported by a professional cold‑chain logistics system, estradiol API (CAS 50-28-2) is transported with full temperature control, insulated containers, and temperature recorders. This also applies to Estradiol valerate(CAS 979-32-8) and Estradiol hemihydrate (CAS 35380-71-3).
Compliance & Custom Services
Packaging and transportation fully comply with international pharmaceutical shipping regulations. Complete customs documents and MSDS are available. Flexible packaging and transport solutions efficiently support R&D and commercial orders.
Our Advantages
Mature Process & Complete Series
We possess mature and stable production technology for estradiol powder, with high conversion efficiency and excellent impurity control. We also supply Estradiol valerate (CAS 979-32-8) and Estradiol hemihydrate (CAS 35380-71-3), enabling one‑stop procurement.
Strict Quality Control & Regulatory Compliance
Estradiol raw material is manufactured under strict international GMP standards with full traceability. Purity and stability meet major pharmacopeial requirements, supporting reliable formulation R&D and registration.
Stable Mass Supply & On‑Time Delivery
We have large‑scale production capacity for estradiol powder with sufficient inventory and stable lead times, quickly responding to trial, pilot, and commercial orders while ensuring stable supply of related derivatives.
Professional Technical Support & Cost Efficiency
We provide comprehensive technical support and regulatory documentation to assist formulation development and registration. With professional service and high cost‑performance, we are a preferred partner for estradiol API series.
FAQ
We uphold strict pharmaceutical standards, prioritizing product quality and clinical safety. We specialize in high-purity, stable estradiol API (CAS 50-28-2), including Estradiol valerate (CAS 979-32-8) and Estradiol hemihydrate (CAS 35380-71-3), with fully standardized and traceable production. As leading China estradiol API manufacturers, we support global R&D and supply chain needs. We welcome long-term, mutually beneficial partnerships to drive innovation in women's health.
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