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β-Estradiol 50-28-2 Estrogen Hormone Raw Material Crystalline Powder

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β-Estradiol 50-28-2 Estrogen Hormone Raw Material Crystalline Powder

Large Image : β-Estradiol 50-28-2 Estrogen Hormone Raw Material Crystalline Powder Get Best Price

Product Details:

Place of Origin:	China
Brand Name:	DKY
Model Number:	50-28-2

Payment & Shipping Terms:

Minimum Order Quantity:	10g
Packaging Details:	1kg/bag or 25kg/drum
Delivery Time:	5-7 work days
Payment Terms:	T/T, Western Union, MoneyGram
Supply Ability:	800kg per year

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Detailed Product Description

CAS Number:	50-28-2	EINECS No:	200-023-8
Molecular Formula:	C18H24O2	Molecular Weight:	272.382
Density:	1.17 G/cm3	Boiling Point:	445.9°C At 760 MmHg
Flash:	209.6 ° C	Vapor Pressure:	9.82E-09mmHg At 25°C
Content:	97.0 ~ 103.0%.	Properties:	White Or Milky Crystalline Powder; Odourless.
Melting Point:	175 ~ 180℃	Specific Curl:	+75° To +32°
Solubility:	Soluble In Ethanol, Soluble In Acetone, Chloroform, Dioxane And Alkali Solution, Slightly Soluble In Vegetable Oil, Almost Insoluble In Water	Storage Conditions:	2-8°C, Room Temperature, Light Proof, Airtight And Dry.
High Light:	female hormones estrogen , women hormones estrogen

β-estradiol 50-28-2 estrogen hormone raw material estrogen powder

Basic parameter:

1. Product name: β-estradiol

2. Product alias: 1,3,5-estratriene-3,17beta-diol; Beta - estradiol; 3 in 2 beta - dihydroxy 1,3,5 (10) -- estratriene; Dihydrofolliculin; (alpha, beta, alpha, 13 14 beta, 17 alpha) -,3,5 estra - 1 (10) -- triene - 3 - diol in 2; Beta - Estradiol; B - estradiol

3. The CAS number: 50-28-2

4. EINECS no. : 200-023-8

5. Molecular formula: C18H24O2

6. Molecular weight: 272.382

7. Density: 1.17 g/cm3

8. Boiling point: 445.9°C at 760 mmHg

9. Flash: 209.6 ° C

10. Vapor pressure: 9.82E-09mmHg at 25°C

11. Content: 97.0 ~ 103.0%.

12. Properties: white or milky crystalline powder; Odourless.

13. Melting point: 175 ~ 180℃.

14. Specific curl: +75° to +32°

15. Solubility: soluble in ethanol, soluble in acetone, chloroform, dioxane and alkali solution, slightly soluble in vegetable oil, almost insoluble in water

16. Storage conditions: 2-8°C, room temperature, light proof, airtight and dry.

Certificate of Analysis:

Product Name	Estradiol	Batch Size	10KG
Manufacturing Date	2019.12.05	Batch No.	20191205
Expiry Date	2022.12.05	Report Date	2019.12.05
Reference Standard	USP 37	Packing	25kg/drum

TEST	ACCEPTANCE CRITERIONS	RESULTS
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
Identification	Ultraviolet Absorption Infrared Absorption	Positive
Residual solvents	ethanol ≤0.5%	Pass
Particle size		Pass
Conclusion	This batch complies with USP 37

Structure:

USES:

1. Estrogen drugs. For uterine functional bleeding, primary amenorrhea, menopausal syndrome, prostate cancer. Can promote and regulate the normal development of female sex organs and secondary sexual characteristics. Can promote mammary duct growth hyperplasia, but when the dose is large, can inhibit the release of anterior pituitary prolactin, and reduce milk secretion. It can also be used for milk return. But there may be nausea, vomiting and bleeding due to endometrial hyperplasia. Use with caution in patients with hepatic or renal insufficiency. Avoid to use in breast, vulva and vagina mucous membrane.

2. Biochemical studies, estrogen drugs.

3. Intermediate of estradiol valerate and estradiol benzoate.

4 through the early ovarian secretion as long as estrogen. During puberty, the regulation of gene transcription and protein synthesis guides the development of the female phenotype and embryo, as well as the production of gonadotropin and the induction of ovulation.

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