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Femara
Femara

Femara Powders With Safe Delivery

Price Get Latest Price
Packge 1KG
  • Min. Order:0.01KG
  • Supply Ability:1 tons
  • Time:2022-04-01

Product Details

  • Product NameFemara
  • CAS No.112809-51-5
  • EINECS No.675-034-8
  • MFC17H11N5
  • MW285.3
  • AppearanceWhite powderwhite to off-white
  • Melting point 181-183°C
  • storage temp. 2-8°C
  • Boiling point 563.5±60.0 °C(Predicted)
  • density 1.21±0.1 g/cm3(Predicted)

Product Name: Letrozole

other name: Femara

CAS: 112809-51-5

MF: C17H11N5

MW: 285.30274

EINECS: 675-034-8

Melting point  181-183°C

Boiling point  563.5±60.0 °C(Predicted)

density  1.21±0.1 g/cm3(Predicted)

storage temp.  -20°C Freezer

solubility  DMSO: >50mg/mL

form  White powder

pka 1.52±0.11(Predicted)

color  white to off-white

Letrozole is part of a new generation of highly selective aromatase inhibitors and is an artificially synthesized benzotriazole derivative. 

Letrozole inhibits aromatase to lower estrogen levels, thus preventing estrogen from stimulating tumor growth. Its in vivo activity is 150-250 times stronger than that of first generation aromatase inhibitor Amarante. As it is highly selective, it will not impact glucocorticoid, mineralocorticoid and thyroid functions; even at high dosages, it will not have any inhibiting effects on adrenal corticosteroid secretion, giving it a high treatment index. 

Letrozole has no latent toxicity towards any bodily systems and target organs, has no mutagenicity and carcinogenic effects, has minimal toxic side effects, is well-tolerated, and has stronger anticancer effects than other aromatase inhibitors and antiestrogen drugs. Letrozole is suitable for advanced breast cancer postmenopausal patients who have not responded to estrogen-suppressing treatment and for early breast cancer treatment.

It is used to treat postmenopausal patients with advanced breast cancer and serves as a second-line treatment to follow unsuccessful antiestrogen treatment. Compared to the current standard Tamoxifen treatment, Letrozole can better prevent the risk of breast cancer recurrence.



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Whatsapp / Skype : +86 18986015478

Wickr: Amygodbullraw

Email: Amysales@godbullraw.com


FAQ:

Q1: Do you offer free sample?

A: Of course, we will offer free sample if you pay shipping fees.


Q2: How to solve the quality problem?

A: We supply high quality products and quality issue near to zero. If it happens caused by occasional?case, we will reship again or compensate customer loss, but customer need show us the evidence of problems or test report.


Q3: Whether transportation is safe and whether to reship if seized?

A: Yes, we offer almost 100% Shipping line with safe delivery. If seized unfortunately, we will ship and I am sure no custom issue.


Q4: ETA ?

A: Pack sent out in 2-3 days and offer tracking numbers after payment. ETA not the same decide by destination country. Please contact us for details (always 10-15 days).


Q5: Do you have any discount?

A: The price is negotiable. Plz shoot us your order content, we will quote a fair price.


Q6: What is your minimum order ?

A: Usually MOQ is 100g. But depends on the items and your requirements, we also can support small quantity, such as 20g and 50g.


Q7: How to order?

A: E-mail or message us that includes your order like format below:

product A ? 100g

product B ? 10vials

delivery country:?

Our sales will quote a total cost includes shipping fees and each item fees in 12 hours regularly.?

Our will satisfy your purchase and supply professional guide.






Company Profile Introduction

Company description:
Wuhan Godbullraw Chemical Co.,ltd, founded in 2011, is a modern advanced enterprise specializing in custom synthesis and R&D and exportation of APIs, peptides, 
Sarms, Local anesthetics, plant extract etc, we build coopration with labs and factory qualitied with GMP, DMF, FDA in china and worldwild. 
We take advantage on integrating factory resources and lab customized projects.for customer demand, we continue to expand the industry chain in familiar areas, 
and at the same time we also keep develop new product supply chain.


We have 7 synthesis labs and 3 scale-up  labs and 3 analysis lab toatly spaced with 13500 square meters, basement of these experienced chemist with high educated, 
we have strong supply system and purity raw. As the shipping , we cooperate with 10 experienced shipping companies to make sure ETA by a safe delivery to worldwild


Our service: 
Quality:  Our products match CP and USP standard before comes out from factory and rechecked by third institution like Jonashik and scores well always, 
we supply test report credit 30$ for next order

Shipping: available to worldwide, ETA 12 days around,customer just only need to supply us ship info and then wait the order delivery after payment, 
we will supply tracking number immediately when pack sent out
we experienced on shipping, we can promise free reshipping if seized by custom unfortunately

Payment: T/T,Western union,Bitcoin

  • Since:2016-06-27
  • Address: #58, Guanggu avenue, East Lake High-tech district , Wuhan, Hubei, China
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