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Letrozole Femara powder Sarms Raw Powder CAS 112809-51-5 CGS-20267

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Letrozole Femara powder Sarms Raw Powder CAS 112809-51-5 CGS-20267

China Letrozole Femara powder Sarms Raw Powder CAS 112809-51-5 CGS-20267 supplier
Letrozole Femara powder Sarms Raw Powder CAS 112809-51-5 CGS-20267 supplier Letrozole Femara powder Sarms Raw Powder CAS 112809-51-5 CGS-20267 supplier

Large Image :  Letrozole Femara powder Sarms Raw Powder CAS 112809-51-5 CGS-20267

Product Details:

Place of Origin: China
Brand Name: wumeitech
Certification: ISO 9001
Model Number: 112809-51-5

Payment & Shipping Terms:

Minimum Order Quantity: 10g
Price: Negotiable
Packaging Details: disguised packing/as required
Delivery Time: 3-7 days
Payment Terms: T/T, Western Union, Money Gram, Bitcoin, Bank transfer
Supply Ability: 800kg/month
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Detailed Product Description
CAS No: 112809-51-5 Assay: 99%
Molecular Weight: 285.3 Molecular Formula: C17H11N5
Appearance: White To Light Yellow Crystal Payment Terms: T/T, Western Union, Money Gram, Bitcoin, Bank Transfer
Sample: Yes Price: Negotiable

Basic Info:
Product Name: Letrozole / Femara
Synonyms:4,4'-(1H-1,2,4-triazol-1-ylmethylene) bis-benzonitrile;femara;CGS-20267
MF: C17H11N5
Chemical Properties:white to light yellow crystal
Storage Temp. :-20°C Freezer
Usage:Pyrrole type aromatization enzyme inhibitors. Used in the treatment of breast cancer.
Product Description:
Pharmacological Function:Letrozole is a new generation of selective aromatase inhibitors. It is a synthetic benzyl triazole derivative, can inhibit aromatase and decrease estrogen levels, further eliminates the stimulation of estrogen on tumor growth. The activity of letrozole in the body is 150-250 times more than that of the first generation of aromatase inhibitors - aminoglutethimide. Due to its high selectivity, and shall not affect the sugar cortical hormone, mineralocorticoid and thyroid functions, large dosage is of no inhibition for adrenal corticosteroid secretions, therefore, it has a higher therapeutic index. Preclinical studies have shown that Letrozole is of no potential toxicity to each system and target organ in the body, no mutagenic and carcinogenic effect, little side reaction, well tolerated, and compared with other aromatase inhibitors and anti-estrogen drugs, it has a stronger antitumor effect. Applicable to the treatment of advanced breast cancer in postmenopausal patients who anti-estrogen ineffective, and early breast cancer.
In December 2005, the British drug and health care products regulatory approved letrozole (furlong) produced by Swiss Novartis used to treat breast cancer patients, and allowed it to treat early invasive breast cancer patients after the surgery caused by positive postmenopausal hormone. This is the second aromatase inhibitors approved by UK after Astrazeneca's Arimidex June in 2005. Two drugs in clinical trials have shown that compared with the current standard Tamoxifen treatment, it can better prevent the risk of breast cancer recurrence.


White or off-white crystaline powder

Crystalline powder


Soluble in Chloroform;
Soluble in ethanol when heated


(1)Maximum absorption in wavelength of 240 nm
Minimum absorption in wavelength of 215 nm


(2)Infrared spectrum should be in accordance the dominant peak of contrast

In accordance with the
dominant peak of contrast

Melting points182℃-184℃182℃
Related substances≤0.5%0.3%
Single impurity≤0.3%0.2%
Loss on drying≤1.0%0.8%

(On anhydrous basis)


Product list:

Testosterone BaseBoldenone BaseMGF
Testosterone AcetateBoldenone AcetatePEG MGF
Testosterone CypionateEquipoiseCJC-1295
Testosterone DecanoateBoldenone PropionateCJC-1295 DAC
Testosterone EnanthateBoldenone CypionatePT-141
Testosterone IsocaproateNandrolone BaseMelanotan-1
Testosterone PhenylpropionateNandrolone DecanoateMelanotan-2
Testosterone PropionateNandrolone phenylpropGHRP-2
Testosterone UndecanoateNandrolone undecylateGHRP-6
MethyltestosteroneNandrolone cypionateIpamorelin
FormestaneNandrolone propionateHexarelin
Oral TurinabolTiboloneSermorelin
Clostebol AcetateTrenbolone BaseOxytocin
FluoxymesteroneTrenbolone AcetateTB500
Testosterone Sustanon 250Trenbolone EnanthateHGH 176-191
StanoloneTrenbolone HexaTesamorelin
Mesterolone7-keto DHEAGonadorelin
Methenolone EnanthateDHEADSIP
Methenolone AcetateOxymetholone / AnadrolSelank
MethyldrostanoloneOxandrolone / AnavarBPC 157
Drostanolone PropionateStanozolol / WinstrolEpitalon
Drostanolone EnanthateMethandienone / DianabolFollistatin 344
Tamoxifen CitrateSildenafil citrateMK-2866
Clomifene citrateTadalafil / CialisAndarine / S4
Toremifene citrateVardenafilGW501516
Anastrozole SR9009
AndrostadiendioneYohimbine HCLMK-677



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We are a reliable supplier of raw steroid in China area of many years.
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So we hope to cooperate with you to realize mutual benefit and achieve success.
Letrozole Femara powder Sarms Raw Powder CAS 112809-51-5 CGS-20267

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