Ethinylestradiol Powder
2. English Synonyms:Etinilestradiol
3. CAS Number: 57-63-6
4. Molecular Formula: C20H24O2
5. Purity: 97.0%~103.0%(HPLC)
6. Appearance: Off White to White crystalline powder
7. Packaging: 25kg/paper drum
8. Delivery: Ready stock, prompt and secure shipment
9. Our Services: Customized production and packaging
10. Delivery Time: Within 2~3 working days after your order
- Product Description
Ethinylestradiol Powder - A High-Standard Synthetic Estrogen Raw Material Solution for Hormone Preparations
Shaanxi Hongda Phytochemistry, as China's most professional peptide hormone raw material production and R&D factory, considers ethinylestradiol powder a typical product in hormone raw material production, characterized by "small dosage, high standards, and risk sensitivity." We understand that for international buyers, what truly matters is not the price, but whether the raw materials are stable, controllable, and available for long-term supply. Our ethinylestradiol is produced by the Hongda factory, which possesses strong R&D and process capabilities, ensuring high stability and bioavailability.
Our Ethinylestradiol Powder's Core Advantages:
1. Mature Process, Quality Assurance
Shaanxi Hongda uses a long-proven synthesis and purification process with clear control plans for key impurities, suitable for regulated pharmaceutical systems.
2. Suitable for Long-Term Procurement
All our batches have stable parameters and consistent supply, guaranteeing your long-term procurement needs.
3. Transparent Testing, Clear Data
Each batch of our product comes with complete testing data, allowing your technical department to evaluate it directly without repeated communication.
What is Ethinylestradiol (EE)?
Ethinylestradiol (EE) powder is a synthetic estrogen. As a derivative of natural estrogen, EE powder has high bioavailability and efficacy. In contraceptive preparations, a dose of 10 to 50 micrograms per dose is usually sufficient to achieve contraceptive effects. Our EE powder boasts strong stability, predictable pharmacokinetics, and is not easily metabolized by the liver, making it superior to natural estrogen in many clinical applications. It is widely used in hormonal contraceptives, hormone replacement therapy (HRT), and the treatment of estrogen deficiency.
Product Specification
Standard | Test Results | |
A.H-NMR:Comply with the structure | Complies | |
Complies | ||
Complies | ||
Complies | ||
meets the requirements. | Complies | |
≤2.0% | 0.19% | |
≤10 ppm | <10ppm | |
≤1.0% | 0.1% | |
≤0.5%, determined on 1.0 g. | 0.009% | |
Unspecified impurities: for each impurity | ≤0.10% | <0.10% |
≤0.5% | 0.18% | |
≥99.0% | 99.7% | |
99.0%~101.0% | 99.8% | |
≤1000cfu/g | Complies | |
≤100cfu/g | Complies | |
Absent | Negative | |
Absent | Negative | |
Absent | Negative | |
Preserve in well-closed, light-resistant and airtight containers. | Complies |
Ethinylestradiol Production Process:
1. Precursor Preparation.
Ethinylestradiol powder is made from synthetic raw materials. The synthetic precursor is 17α-ethinylestradiol, which is produced through a chemical reaction of basic ingredients.
2. Synthesis:
The precursor 17α-ethinylestradiol is converted into ethinylestradiol through a chemical process. We closely supervise the usage of numerous chemical compounds and catalysts during this process in order to get a high-purity end product.
3. Crystallisation and purification:
The resulting solution product goes through many purification procedures to increase crystallisation and improve purity.
4. Drying:
The purified solution is freeze-dried to produce a powder.
5. Quality inspection:
The manufacturing process includes frequent quality checks at several stages, such as sampling, analysing product purity, and identifying components, contaminants, and other physical and chemical properties.
6. Packing:
After passing quality inspection, the product is packaged in GMP-compliant containers to ensure its safety and stability during the sealing process.
What are the benefits of Ethinylestradiol?
1. Contraception:
Ethinylestradiol, a synthetic oestrogen, serves to suppress ovulation. It accomplishes this by suppressing both luteinizing hormone (LH) and follicle-stimulating hormone (FSH), resulting in a contraceptive effect.
2. Menstrual Cycle Regulation:
Ethinylestradiol powder can help regulate irregular menstrual cycles. It balances hormone levels in the body, allowing women to develop more regular cycles.
3. Managing Menopausal Symptoms:
This ethinylestradiol hormone can help relieve menopausal symptoms. It treats hot flashes, sleeplessness, and mood swings, providing women with respite. In addition, it can be used to treat polycystic ovarian syndrome and endometriosis.
5. Improving skin conditions:
According to research, oestrogen can help with a variety of skin concerns, including acne and hyperpigmentation.
6. Supporting Bone Density:
Oestrogen is essential for bone health and may eventually be utilised to treat osteoporosis.
Applications
1. Pharmaceutical Industries:
Ethinylestradiol is used in clinical contraception to prevent unwanted births while also controlling women's menstrual cycles and menopause symptoms.
2. Health Product Industry:
Medical professionals use this hormone as an oestrogen alternative in women's health products to slow ageing and treat vaginal dryness.
3. The Beauty and Skincare Industry
Some beauty and skincare companies use ethinylestradiol bulk powder to improve skin texture and treat acne and pigmentation.
4. Research and Laboratory:
In research facilities, the scientific community employs it as a testing reagent to explore the biological effects and mechanisms of hormones.
Why do overseas customers choose to cooperate with us?
In the field of raw materials like ethinylestradiol, we are a recognized and influential peptide research and development factory in the industry.
1. Peptide and Hormone-Related Raw Material R&D Factory
We don't just sell products; we are actively involved in process development and have practical experience in product structure and quality control.

2. Clear Quality Management System
Our production process is fully transparent, with key nodes traceable, facilitating internal audits for our customers.

3. Complete Documentation and Certificates
We can provide customers with the necessary quality documentation and our complete set of certifications.

4. Support for Customization and Flexible Cooperation Methods
Whether it's packaging specifications, supply schedule, or technical communication, we can adjust according to the customer's actual needs.

FAQs
Q1: Can this substance be made into pharmaceuticals?
Yes, we strictly quality-control our items to pharmaceutical standards.
Q2: Can samples be provided for evaluation?
Yes, sample specifications can be confirmed based on your specific purchase quantity.
Q3: Do you support different packaging specifications?
Yes, we can adjust according to customer usage.
Q4: Is the delivery stable?
We will arrange production according to the order plan to ensure continuity of supply.
Q5: Have you worked with overseas clients?
We have sold abroad since 2015 and attended global health industry exhibitions for 10 years.
Contact Us
If you are looking for a stable, well-documented, and flexibly supplied ethinylestradiol powder raw material for formulation development or long-term project procurement, our product will be your best choice. Please contact us:duke@hongdaherb.com.


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