Estriol, a naturally occurring steroid estrogen, holds a significant place in the pharmaceutical industry due to its unique chemical properties and therapeutic applications. As a metabolite of estradiol, it plays a distinct role in the endocrine system. NINGBO INNO PHARMCHEM CO.,LTD. is a trusted manufacturer and supplier of high-purity Estriol API, providing the essential building blocks for advanced pharmaceutical formulations.
Chemically, Estriol (C18H24O3) is characterized by its white to off-white crystalline powder form. With a molecular weight of 288.381 g/mol and a melting point typically between 280-282 °C, it is a stable compound under appropriate storage conditions (cool and dry place). The high purity of our Estriol, exceeding 99%, and its availability in micronized forms (e.g., 5μm, 10μm, 20μm) are critical for optimal performance in pharmaceutical applications. These physical and chemical attributes ensure enhanced bioavailability and ease of formulation, making it an ideal choice for manufacturers looking to buy Estriol.
The pharmaceutical applications of Estriol are diverse, ranging from hormone replacement therapy to treatments for specific gynecological conditions. Its selective action on vaginal and cervical tissues, compared to the uterine body, positions it favorably in therapeutic strategies aimed at minimizing side effects. For companies looking to purchase Estriol, understanding these properties is key to developing effective and safe medications. NINGBO INNO PHARMCHEM CO.,LTD. ensures that its Estriol API is manufactured under strict quality controls, adhering to international standards like USP and BP, providing peace of mind to our clients.
The price of Estriol API is influenced by factors such as purity, quantity, and market demand. As a dedicated supplier, NINGBO INNO PHARMCHEM CO.,LTD. strives to offer competitive pricing without compromising on quality. We understand the importance of a reliable and cost-effective supply chain for our pharmaceutical partners. Our commitment to being a leading manufacturer means we can guarantee a consistent supply of Estriol, supporting your production schedules and business objectives.
In conclusion, Estriol is a vital API with well-defined chemical properties that translate into significant therapeutic advantages. NINGBO INNO PHARMCHEM CO.,LTD. is your go-to supplier for high-purity Estriol, offering a product that meets the rigorous demands of the pharmaceutical industry. We invite you to partner with us to leverage the benefits of our premium Estriol API for your innovative pharmaceutical products.
Manufacturing Facilities






Professional Export Experience
to Global Customers
1. 20 years of R&D, manufacturing and sales experience, serving customers in 60 countries and regions around the world;
2. Own R&D laboratory, pilot platform and large-scale production workshop, which can meet the audit requirements of global customers;
3. We can satisfy customers' perfect transition from small scale lab requirements (gram level) to commercialization requirements (hundred tons level).
A: We don't have Minimum Order Quantity, exact quantity should be provided before quotation for us to calculate the exact cost.
A: We don't provide free samples due to lots of request and expensive international courier's cost, we can deduct the sample charge after commercial order placed.
A: Our payment terms: Small or sample order: T/T IN ADVANCE. Commercial order: First order should be by T/T IN ADVANCE or L/C at sight, and following orders T/T 30~90days is acceptable subject to approval of credit application.