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Xi'an Julong Bio-Tech Co., Ltd.

Country: China (Mainland)

Business Type:Trading Company

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Natural Anti Estrogen Breast Disease Treatment CAS 112809-51-5 Letrozole Powder

CAS NO.112809-51-5

  • msdsMSDS/COA Download

  • FOB Price: USD: 1.20-10.00 /Gram Get Latest Price
  • Min.Order: 10 Gram
  • Payment Terms: T/T,Other
  • Available Specifications:

    Powder(1-50)GramPowder(50-100)GramPowder(100-500)GramPowder(500-1000)Gram

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Product Details

Keywords

  • CAS 112809-51-5 Letrozole Powder
  • Letrozole Breast Disease
  • Natural Letrozole

Quick Details

  • ProName: Natural Anti Estrogen Breast Disease T...
  • CasNo: 112809-51-5
  • Molecular Formula: C17H11N5
  • Appearance: Pale yellow to White Powder / Oil
  • Application: For Bodybuilding Muscle Growth Custom...
  • DeliveryTime: Within 3 Days After Payment
  • PackAge: Foil Bag / Drum / Bottle
  • Port: Shanghai
  • ProductionCapacity: 1000 Kilogram/Day
  • Purity: 99%
  • Storage: Well-Closed, Store in cool and dry are...
  • Transportation: Well-Closed, Store in cool and dry are...
  • LimitNum: 10 Gram
  • Related Substances: ≥98%
  • Residue on Ignition: ≤0.1%
  • Heavy Metal: ≤10ppm
  • Valid Period: 24Months
  • Product Name: Anastrozole
  • CAS: 120511-73-1
  • Appearance: Light yellow to Off-White Powder /Oil
  • Grade: Medicine Grade
  • Application: Androgel Bodybuilding Muscle Growth
  • Certificate: COA ISO9001 GMP
  • Form: Capsules, Oil, Powder
  • Transport Package: Foil Bag / Drum / Bottle
  • Purity: 99%
  • Shelf Life: 2 Years
  • Storage: Cool and Dry Place

Superiority

1. Who are we
We are based in Shaanxi, China, start from 2018,sell to North America(00.00%),

Western Europe(00.00%),South America(00.00%),Southeast Asia(00.00%),

Eastern Europe(00.00%). There are total about 11-50 people in our office.

2. How can we guarantee quality
Always a pre-production sample before mass production;
Always final Inspection before shipment;

3.What can you buy from us
Plant Extracts,Cosmetics Raw Materials,Vitamin Raw Materials,Pharmaceutical Raw Materials and Intermediates.

4. Why should you buy from us not from other suppliers
Our company mainly devoted in producing pharmacetical intermediates , Vitamins , and health supplement ,

the quality and technical content can reach the advance level in China .

Our products are sold well in China as well as in more than 20 countries.

5. What services can we provide
Accepted Delivery Terms: FOB,CFR,CIF,EXW,Express Delivery;
Accepted Payment Currency:USD,EUR,JPY,CAD,AUD,HKD,GBP,CNY,CHF;
Accepted Payment Type: T/T,L/C,MoneyGram,Credit Card,,Cash,Escrow;
Language Spoken:English,Chinese,Spanish,Japanese,Portuguese,German,Arabic,French,Russian,Korean,Hindi,Italian.

6.We promise our customer following items

Support product customization:

We can provide OEM&ODM , Because we have a professional design team.

Reasonable price:
We provide high quality products with competitive price in china,

Low MOQ:
No worry about the low moq, our moq is 1 gram or lower.

Good and efficient service,Fast Delivery
Fast respond save client's time, we promise to reply inquiry in 24 hours including holidays and send quotation sheet and other documents in 48 hours.

Super-good quality
We have strict quality control system .Good reputation in Market , And have the Third party test report is available.

Details

Anti Estrogen Breast Disease Treatment Letrozole Powder

Product Name:                                            

Letrozole                                                               

CAS:

112809-51-5           

MF:

C17H11N5

MW:

285.3

EINECS:

675-034-8

Melting point 

181-183°C

Boiling point 

563.5±60.0 °C(Predicted)

Form 

White Powder

1. Letrozole is an anti-Estrogen of the Aromatase Inhibitor (AI) family and is one of the most potent and powerfully

effective of all AI’s. In fact, its potency is sometimes too much for some to handle when used for off label use.

Letrozole first gained U.S. FDA approval in 1997 and would hit the market under the brand name Femara through

Novartis. 
 
2. Although Femara is the dominating trade name of the AI, unlike most AI’s it is the only one generally known

by its chemical name Letrozole far more commonly than its dominating brand name.
 
3. Letrozole was first developed in an effort to combat breast cancer in post-menopausal women. In fact, it would

prove to be virtually identical to the already popular AI in Arimidex (Anastrozole). While intended for breast cancer

treatment, like many AI’s, it has found a welcomed home among anabolic steroid users.
 
4. Letrozole is one of the most commonly used anti-estrogens among steroid users during steroid use to combat

possible estrogenic related side effects. It is so effective as an anti-estrogen in this regard many anabolic steroids 

have effectively reversed gynecomastia symptoms with Letrozole.

Function & Application

1. Letrozole is an AI, which holds the purpose of blocking the aromatase enzyme, which is in turn responsible for the

production of estrogen. By inhibiting estrogen production, this lowers total serum estrogen levels in the body. 

 
2. This will be useful to the breast cancer patient on the basis of such cancer often feeding off the estrogen hormone.

It will be beneficial to the anabolic steroid user as excess estrogen often leads to some of the most commonly

associated side effects of anabolic steroid use.
 
3. Letrozole also carries the ability to increase natural estrogeneproduction through an increase in Luteinizing Hormone

(LH) and Follicle Stimulating Hormone (FSH). There have been physicians who have chosen Letro as it’s often known

to treat low testosterone conditions, but this is normally not the preferred method of treatment. 


 
4. Without question, when it comes to low testosterone treatment exogenous testosterone is generally the only thing

that makes sense. However, Letrozole can be useful in such a plan in conjunction with exogenous testosterone in order

to combat possible side effects. We will look into this in the effects section.

 

Tests

Specifications

Results

Appearance

White or off-white crystaline powder

White Crystalline powder

Solubility

 

Soluble in Chloroform;

Soluble in ethanol when heated

Conform

ldentification

(1)Maximum absorption in wavelength of 240 nm

Minimum absorption in wavelength of 215 nm

Conform

Conform

(2)Infrared spectrum should be in accordance

the dominant peak of contrast

In accordance with the dominant peak

of contrast

Melting points

182°C-184°C

182°C

Related substances

≤0.5%

0.3%

Single impurity

≤0.3%

0.2%

Loss on drying

≤1.0%

0.8%

[Assay]C17H11N5          

(On anhydrous basis)

≥98.0%

99.2%

Conclusion

Conforms Specifications of Enterprise Standard.


 

 

 

1. All inquiries will be replied within 12 hours.

2. Dedication to quality, supply & service.

3. Strictly on selecting raw materials.

4. OEM/ODM Available.

5. Reasonable & competitive price, fast lead time.

6. Sample is available for your evaluation & Formulation development.

7. Faster delivery:Sample order in stock and 3-7 days for bulk production.

8.We have strong cooperation with DHL, TNT, UPS, FEDEX, EMS. Or you also can choose your own shipping
forwarder

9. After-Sale Service:
1) International Authorized Third-Party Test For The Products You Demand.


2) 30 Days Warranty of quality of goods. 

 

Delivery & Payment Terms

Julong Bio-Tech Co., Ltd. is located in Xi'an City, Shaanxi Province, China. It is a biotechnology enterprise engaged

in the research, development, production and sales of animal and plant extracts, cosmetics, pharmaceutical raw materials

and intermediates. The company has complete experimental facilities. And advanced testing instruments ensure the stability

of product quality from all aspects. The company has a complete sales service system, the products are exported to countries

all over the world, and have won a good international reputation with excellent quality and excellent service.

The company has been adhering to the basic principles of "integrity, quality, service, and win-win" to serve customers,

constantly strict requirements, set goals, and implement win-win development.

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