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Home ProductsEstrogen Hormone Raw Material

Estradiol 50-28-2 API Pharmaceutical Raw Materials Odorless Crystalline Powder

Estradiol 50-28-2 API Pharmaceutical Raw Materials Odorless Crystalline Powder

Estradiol 50-28-2 API Pharmaceutical Raw Materials Odorless Crystalline Powder
Estradiol 50-28-2 API Pharmaceutical Raw Materials Odorless Crystalline Powder

Large Image :  Estradiol 50-28-2 API Pharmaceutical Raw Materials Odorless Crystalline Powder Get Best Price

Product Details:

Place of Origin: China
Brand Name: DKY
Model Number: C0282

Payment & Shipping Terms:

Minimum Order Quantity: 10g
Price: $8-12/g
Packaging Details: 1kg/bag or 25kg/drum
Delivery Time: 5-7 work days
Payment Terms: T/T, Western Union, MoneyGram
Supply Ability: 600 kgs per year
Detailed Product Description
CAS No: 50-28-2 Molecular Formula: C18H24O2
Molecular Weight: 272.38 Melting Point: 178-179 ° C
Specific Rotation: D25 + 76to + 83 ° Boiling Point: 355.44 ° C
Density: 1.0708 Refractive Index: 80.4 ° (C = 1, Dioxane)
Flash Point: 2℃ Storage Conditions: 2-8 ° C
High Light:

female hormones estrogen

,

women hormones estrogen

Pharmaceutical Raw Materials Estradiol 50-28-2 API Manufacturer Made In China

 

Basic parameter:

1. Product Name: β - estradiol

2. CAS No.: 50-28-2

3. Molecular formula: c18h24o2

4. Molecular weight: 272.38

5. EINECS No.: 200-023-8

6. Melting point: 178-179 ° C (lit.)

7. Specific rotation: D25 + 76to + 83 ° (dioxane)

8. Boiling point: 355.44 ° C (roughesti)

9. Density: 1.0708 (rough estimate)

10. Refractive index: 80.4 ° (C = 1, dioxane)

11. Flash point: 2 C

12. Storage conditions: 2-8 ° C

13. Properties: white or milk white odorless crystalline powder; odorless. It is soluble in dioxane and acetone, slightly soluble in ethanol and insoluble in water.

 

Certificate of Analysis:

Product Name Estradiol 50-28-2 Batch Size 10KG
Manufacturing Date 2019.02.26 Batch No. 20190226
Expiry Date 2022.02.25 Report Date 2019.02.26
Reference Standard USP 37 Packing 25kg/drum
TEST ACCEPTANCE CRITERIONS RESULTS
Identification

Ultraviolet Absorption

Infrared Absorption

Positive
Characteristics White or creamy white, crystalline powder conform
Melting point 173 ~ 179℃ 175.1~ 178.1℃
Specific rotation ﹢76°~﹢83° ﹢79.08°
Water ≤3.5% 0.79%
Assay 97 .0~ 103.0% 99.44%

 

Loss on drying

≤0.5% 0.16%
Related substances

any individual impurity ≤0.5%

total impurities ≤1.0%

Pass

Pass

Residual solvents ethanol ≤0.5% Pass
Particle size   Pass
Conclusion This batch complies with USP 37

 

Purpose:

1. Estrogen drugs. For uterine functional bleeding, primary amenorrhea, menopausal syndrome, prostate cancer. It can promote and regulate the normal development of female sexual organs and paranormal signs. It can promote the development and proliferation of mammary duct, but when the dosage is large, it can inhibit the release of prolactin from anterior pituitary and reduce the secretion of milk. It can also be used for milk return. But there may be nausea, vomiting and endometrial hyperplasia resulting in chemical Book blood. Use with caution in patients with liver and kidney dysfunction. Do not use on breast, vulva and vaginal mucosa.

2. Biochemical studies, estrogen drugs.

3. Intermediate of estradiol valerate and estradiol benzoate.

4. Only estrogen is secreted by the ovary in prophase. During puberty, the regulation of gene transcription and protein synthesis guides the development of female phenotypes and embryos, and also induces the generation of gonadotropins and ovulation.

 

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