High-Purity Estriol Powder API Supplier | Pharmaceutical-Grade Weak Estrogen for Research & Bulk Purchase WorldwideCore Highlights – Buy Estriol Powder API Bulk at Competitive Prices
Key Points:
High-purity ≥99% Estriol Powder API | USP/EP compliant | Low irritation & mild weak estrogen activity | Batch traceable | Global supply & bulk purchasing support | competitive pricing & sample requests available
Product Overview
Estriol Powder is a weak estrogen with stable physicochemical properties.
Manufactured under GMP-compliant standards and fully compliant with USP/EP pharmacopoeial requirements, it is suitable for oral, topical, and formulation development applications.
This high-purity Estriol Powder is ideal for universities, pharmaceutical companies, CROs, biotech laboratories, and research institutions seeking a reliable Estriol API for preclinical trials, drug screening, and formulation R&D.
Available for bulk purchase, small-sample orders, and international shipping, this Estriol Powder API offers competitive pricing for customers worldwide.
COA
| Item | Specification | Result | |
| Appearance | White or practically white crystalline powder | Conform | |
| Identification | A: IR; B: UV | Conform | |
| Completeness of solution | The solution is clear and free from undissolved solids | Conform | |
| Solubility | Soluble in acetone, chloroform, dioxane, ether, and vegetable oil; sparingly soluble in ethanol; insoluble in water | Conform | |
| Loss on drying | ≤0.50% | 0.19% | |
| Specific Rotation | +54°~+62° | +59.0° | |
| Residual on ignition | ≤0.10% | 0.08% | |
| Melting point | About 280℃ | 281.3℃‑284.1℃ | |
| Related substances Total impurities |
≤2.0% |
0.47% |
|
| Residual solvents Methanol Acetone Methylene chloride |
≤3000 ppm ≤5000ppm ≤600ppm |
920 ppm 160 ppm Not detected |
|
| Assay | 97.0~102.0% | 99.43% | |
| Micron | 100%≤20um | 100%≤20um | |
| Conclusion | The product complies with the requirements of USP Standard. | ||
Mechanism of Action
Estriol Powder specifically binds to human estrogen receptors (ERα, ERβ) to regulate gene expression in target organs. Its effects are gentle, with moderate receptor affinity, making it suitable for long-term applications in research and formulation development.
Mechanism Highlights – Estriol API Bulk Purchase For Research Labs
1. Supplementation of physiological estrogen helps balance the hypothalamic–pituitary–ovarian axis2. Maintenance of normal metabolism in reproductive, skin, and mucosal tissues
3. Regulation of gonadotropin secretion, helping stabilize hormone fluctuations
4. Support for endocrine research, cell differentiation studies, and estrogen receptor pathway experiments
Product Applications
1. Pharmaceutical formulations: Estriol Powder API for tablets, capsules, creams, gels, and suppositories
2. Research & clinical applications: Endocrine pathway studies, pharmacology research, and analytical calibration
3. New drug development: Generic drug development, preclinical studies, and formulation quality control
4. Bulk procurement: Supports global bulk purchasing, competitive pricing, and fast delivery worldwide
Detailed Efficacy
1. Gentle endocrine regulation: Supports estrogen level balance and hormonal stability
2. Female reproductive support: Maintains vaginal mucosal integrity and elasticity
3. Perimenopause support: Helps regulate hormonal fluctuations and improve physiological comfort
4. Skin health improvement: Supports collagen synthesis and hydration balance
5. Research support: Provides a reproducible weak estrogen standard for laboratory studies
Core Advantages
High purity & low impurities: HPLC ≥99%, strictly controlled residual solvents and heavy metals1. Natural bioactivity: Mild weak estrogen suitable for oral and topical formulations.
2. Flexible supply & global delivery: Sample orders and kilogram-level bulk supply with fast international shipping.
3. Professional technical support.
Quality Assurance
1. Triple quality control: HPLC purity, related substances, and microbial limits are tested for each batch
2. GMP-compliant production: Manufacturing follows GMP standards and ISO9001 quality management systems, fully adhering to USP/EP guidelines
3. Complete documentation: COA, HPLC spectra, MSDS, and TDS provided4. Full traceability: From raw material sourcing to finished product delivery
FAQ
Q1: What is Estriol Powder?
A: Estriol Powder is a weak estrogen widely used in pharmaceutical research and formulation development.
Q2: What are the main uses of Estriol Powder?
A: It is mainly used for menopausal syndrome, vaginal atrophy, skin aging improvement and gynecological hormone preparation production.
Q3: Does your product have heavy metal and pesticide residue control?
A: Yes. Heavy metals, pesticide residues and microbial indicators are all tested and meet international pharmacopoeia safety standards.
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Shipping & Packing
Order Now | Stable Global Supply
High-purity Estriol Powder human-use raw material with stable quality and flexible global supply. Ideal for pharmaceutical formulations, academic research, and endocrine studies.
Free samples, quality reports, and bulk quotations are available - contact us now for Estriol Powder API wholesale pricing.
Contact:
Whatsapp & Mobile: +8619991242181
Email:sales@hdmbio.com
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