Best Price Pure 99% Estradiol Powder CAS 57-91-0 17 Alpha Estradiol

• Powder: Yes
• Customized: Customized
• Certification: GMP, HSE, ISO 9001, USP, BP
• Suitable for: Elderly, Children, Adult
• State: Solid
• Purity: >99%
• Model NO.: hd2024
• Assay: 99%
• CAS: 57-91-0
• Mf: C18h24o2
• MW: 272.382
• Application: Pharmaceutical Raw Material
• Appearance: White to off-White Crystalline Powder
• Certificate: ISO, GMP
• Test Method: HPLC
• Brand Name: Biohorlden
• Sample: Available
• Transport Package: 1kg/Bag, 25kg/Drum
• Specification: 99%
• Trademark: Biohorlden
• Origin: China
• Production Capacity: 100kg/Month

Product Description

Estradiol is a steroidal estrogen. There are two types, α and β, and the α type has a strong physiological effect

Product Name	Alpha Estradiol
CAS	57-91-0
Appearance	White to off-white crystalline powder
MF	C18H24O2
Molecular Weight	272.382
Purity	99%
Storage	Keep in a cool, dry, dark location in a tightly sealed container or cylinder
Shelf Life	24 Months

Item	Test Standard		Testing Result
Appearance	White or almost white crystalline powder.		Complies
Assay (HPLC, based on drying)	98.5% ~ 101.0% calculated on anhydrous basis		99.55%
Identification	Positive		Complies
Specific rotation	+53°~ -56°		+54.5°
Melting Point	176-180 °C		Complies
Residue on Ignition	≤0.1%		0.05%
Water	≤0.3%		0.16%
Residual Ethanol	≤0.5%		Complies
Heave Mentals	≤10ppm		Complies
Total plate	<1000CFU/g		Complies
Yeast & Mold	<100 CFU /g		Complies
E. Coli	Negative		Complies
Salmonella	Negative		Complies

1. Insufficient estrogen supplementation. Commonly used to treat female hypogonadism
2. Prevent osteoporosis
3. Treats Acne
4. It is used for leukopenia caused by chemotherapy or radiotherapy of malignant tumors, and has the effect of significantly increasing white blood cells.

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Xi'an Biohorlden Industry&Trade Co.,Ltd is a national key high-tech enterprise,which mainly specializes in the R&D, operation and production of pharmaceuticals,and intermediates.Our company is situated in E&T development zone,xi'an city shaanxi,it is easy of access. Our company has independent R&D center,raw material synthesis workshop, has advanced quality instruments and equipmentm,several product patents there are 15 experts in our research team.We insist in innovation and produce high quality products.

1.Are you a manufacturer or trade company?

We are a professional manufacturer.

2.What's your payment terms?

Standard terms: T/T in advance and Western Union.

Also L/C at sight is acceptable for large amount.

3.What's your shipping time?

We have a large stock, which means we can deliver the goods to you immediately.

4.How do you ensure the quality of your products?

Strict QC with 6 steps testing from raw material purchase to finished product.

5.How do you ship the order normally?

For large qty order,ship the goods by sea.

For small qty order, by air or express. We supply optional express for you, including DHL,FEDEX,UPS,TXT,EMS,and so on.

6.What's your loading port?

Usually Shanghai, Qingdao, Tianjin, Guangzhou