Wholesale CAS 57-91-0 17 Alpha -Estradiol CAS CAS 50-28-2 Beta Estradiol

• CAS No.: 50-28-2//57-91-0
• Formula: C18h24o2
• EINECS: N/a
• Type: Pharmaceutical Intermediates
• Appearance: Powder
• Quality: Technical
• Model NO.: Haoze0154
• Colour: White
• Product Name: Bulk 17alpha-Estradiol and Beta Estradiol
• Test Method: HPLC
• Other Name: 17 Beta-Estradiol
• Molecular Weight: 272.38200
• Psa No.: 40.46000
• Logp No.: 3.60920
• Density: 1.17 g/cm3
• Boiling Point: 445.9
• Melting Point: 173
• Flash Point: 209.6
• Storage Temperature: 2-8
• Refractive Index: 1.599
• Shelf Life: 2 Years
• Transport Package: Valum Bag Packaging
• Specification: 99% min
• Trademark: Haoze
• Origin: China

Product Description

Product Description

Estradiol have Alpha type and Beta type. It is a ste roid hor mone mainly secreted by follicle, corpus luteum and placenta. Estradiol can promote and regulate the normal development of female sexual organs and secondary sex characteristics, promote the maturation and growth of mammary ducts, and help with positioning. Estradiol can also be used in biochemical study.

Product Specification

Product name	beta- estradiol
ITEM	SPECIFICATION	RESULT	METHOD
Appearance	White powder, neutral odor, highly hy groscopic	Conforms	Visual
Identification	Standard solution and test solution same spot,RF	Conforms	TLC
Specific Optical	-2.4°~ -2.8°	-2.72°
Heavy metals (as PB)	≤10ppm	Conforms	AAS
Sulfate (SO4)	≤0.02%	Conforms	Colorimetry
Chloride (Cl)	≤0.02%	Conforms	Colorimetry
Phosphate Ion (P)	≤5ppm	Conforms	Colorimetry
Residual solvent(ethanol)	≤1.0%	Conforms	HS-GC
pH	4.5~7.0	5.10
Related substance	Spot not bigger than standard solution spot	No spot	TLC
Water Content	≤2%	0.26%	KF
Assay (dried basis)	98.0%--102.0%	99.48%	Potentiometric titration
Assay (dried basis)	98.5%--100%	99.2%	HPLC

Product function & application

1.Estradiol has complex effects on the liver. 
2.Estradiol affects the production of multiple proteins, including lipoproteins, binding proteins, and proteins responsible for blood clotting. 
3.Certain gynecological conditions are dependent on estrogen, such as endometriosis, leiomyomata uteri, and uterine bleeding.
4.Estrogen affects certain blood vessels. Improvement in arterial blood flow has been demonstrated in coronary arteries.

OEM Service

About beta Estradiol product, we can supply powder, customization order (bottles+labels). 
And we also supply customized packaging according customer inquire (Bags and bottles in various colors with private labels).

We undertake the customization business of healthy care products, including natural plant materials, customized packaging and labels to nutrition supplement. We can also make compound products, such as kidney body supplement capsules and tablets, solid drinks and tablet candies, gummy bears, liquld and so on.

As a supplier of plant extracts for 15 years, we can guarantee the quality of products, we can provide different customized services.If you have any requirements, please contact us.

By the way, If there is a product quality problem, if the test is unqualified, there is after-sales guarantee,we can return and exchange the product free of charge, so that you have no worries.

 

Delivery & Packaging

We can supply International Express--Fedex/DHL/UPS, air shipping and sea shipping

Storage: Store in cool & dry place. Do not freeze. Keep away from strong light and heat.
Shelf life: two years when properly stored.
Shipping method: International express by air, by sea, UPS and EMS service.

 

Company Profile

Xi'an Haoze Biotechnology Co., Ltd. Established in 2014, is a professional company engaged in the research, development, sales of health care material, cosmetics material and food additive ingredients. We are located in Xi'an City in the middle of China, which is back to Qinling Mountain, have a huge natural resources with convenient transportation.

We have excellent team who focus on product development & design, quality control & inspection, and company running. Dedicated to strict quality control and thoughtful customer service. There is a whole production line with extracting, column chromatography, reaction still, spray dry, freeze dry and vacuums dry equipment, it could produce 350kg finished product per hour, the annual production capacity is 2500-3000 tons. Also we have a full-scale of testing facility which are UV, HPLC, TLC and others. We own a GMP medical clean room which cover an area of 2000 m2, and have research project with our local collage or institution every year. In addition, we have obtained ISO22000, HALAL and Kosher certificates to support different customer's request. We also welcome OEM and ODM orders. "Top Quality, Customer First" is our conviction, and we implement the principle of "high standards, safe & fast delivery, good service" to create a mutual benefit partnership with customers. We warmly welcome overseas customer to establish long-term cooperation.

1. All of our ingredients meet strict quality and food safety standards, and surpass industry standards for purity and cleanliness.

2. Our food ingredients are certified to applicable organic standards: National Organic Program (NOP) and European Union (EU).
3. We use organic certificate who meet or exceed IFOAM standards and are accepted worldwide.
4. We also can provide ISO, HACCP, KOSHER certification.

 

FAQ

1.  Can I get some free sample?
Yes, we offer free sample to client and you only need to pay the freight.

2. How to make payment and what is the payment term? 
Payment can be done by T/T, Credit Card, Western Union, PayPal and more. 

3. How about delivery time? 
Delivery time is about 3-5 days after payment made. But this need to be checked with sales person if there is stock.

4.  Is there any discount? 
Yes, some of the products is apply for discount, but it depends on the quantity.