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Letrozole Femara CAS 112809-51-5 White Powder Steroid Hormone

CAS 112809-51-5

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Description

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Anti Estrogen Steroids Letrozole Femara CAS 112809-51-5 White Powder Steroid Hormone

Letrozole??Quick Detail:


Product name: Letrozole
Alias:Femara , Letrozole ,TROZET; Letrozole; Femara
Dosage: LETROZOLE TABLETS USP 2.5MG
Assay: 98.0-102.0%. USP32
CAS: 112809-51-5
Usage: Anti estrogen
Appearance: White crystalline powder.
Active life cycle : 6 hours
MW: 285.3
Usage :pharmaceutical raw materials, the hormone
Assay: 99%
Packaging Details: Foil bag or as requirement
Payment Terms: T/T, Western Union, MoneyGram
Shipping way: EMS, HKEMS, DHL, TNT, Fedex, UPS… (you can choose the fastest and your favourite)

Letrozole??Description :


In one male test subject Letrozole was able to reduce estrogen levels to undetectable levels.Letrozole is able to raise testosterone in male subjects.


Femara (letrozole) is used to treat breast cancer in postmenopausal women. It is often given to women who have been taking tamoxifen (Nolvadex, Soltamox) for 5 years. It is a non-steroidal aromatase inhibitor (lowers estrogen production). This medication is available in generic form. Common side effects include hot flashes, hair loss, joint/bone/muscle pain, tiredness, unusual sweating, nausea, diarrhea, dizziness, and trouble sleeping.


The recommended dose of Femara is one 2.5 mg tablet administered once a day, without regard to meals. Other drugs may interact with Femara. Tell your doctor all prescription and over-the-counter medications and supplements you use. Femara must not be used during pregnancy. It may harm a fetus. Femara is used mainly in women after menopause. If you have recently gone through menopause, discuss birth control with your doctor.

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Do not use birth control containing estrogen. It is unknown if this drug passes into breast milk and may harm a nursing infant. Breast-feeding while using this drug is not recommended.
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Letrozole??Specifications:

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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℃-184℃ | 182℃ |
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. |
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Letrozole??Applications :


Letrozole has also been shown to delay the fusing of the growth plates. When used in combination with growth hormone, letrozole has been shown effective in one adolescent boy with a short stature. Letrozole has also been used to treat endometriosis.
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