Letrozole (Femara)

Product Name: Letrozole (Femara)

CAS: 112809-51-5

Purity: 99%

Appearance: White or off-white crystaline powder

Solubility: Soluble in Chloroform; Soluble in ethanol if heated

ldentification: Maximum absorption in wavelength of 240 nm

            Minimum absorption in wavelength of 215 nm

Infrared spectrum should be in accordance the dominant peak of contrast

Melting point: 182°C ~ 184°C

Related substances: NMT 0.5%

Single impurity: NMT 0.3%

Loss on drying: NMT 1.0%

Assay: NLT98.0%

Details:

Letrozole is currently the most powerful aromatase inhibitor available. In the world of bodybuilding it is used to reduce or eliminate excess estrogen caused by the use of aromatizing steroids.

For pre-contest bodybuilders, Letrozole is almost a necessity to eliminate water retention and achieve the ripped look necessary to compete in today’s bodybuilding world. However, in my experience, it is only necessary to be used for the last 4-6 weeks, to eliminate excess estrogen and water retention. After using Letrozole I recommend staying away from any estrogen suppression for at least a month to try to normalize the body.



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