Quick Detail: Product name Letrozole Other name Femara CAS register number 112809-51-5 EINECS --- Molecular formula C17H11N5 Molecular weight 285.3 Molecular structure Assay 99% Appearance White crystalline powder Package 1kg/aluminium foil bag or as required Usage can be used as pharmaceutical material Product description: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.It acts by blocking the enzyme aromatase, subsequently blocking the production of estrogen. Since many forms of breast cancer cells are stimulated by estrogen, it is hoped that by reducing amounts of estrogen in the body the progression of such a disease can be halted. This is the basic premise behind Nolvadex, except this drug blocks the action and not production of estrogen.The effects of Femara can be quite dramatic to say the least. A daily dose of one tablet (2.5 mg) can produce estrogen suppression greater than 80 % in treated patients. With the powerful effect this drug has on hormone levels, it is only to be used (clinically) by post-menopausal women whose disease has progressed following treatment with Nolvadex. Side effects like hot flushes and hair thinning can be present, and would no doubt be much more severe in pre-menopausal patients.When used with strong, readily aromatizing androgens such as Dianabol or testosterone, gynecomastia and water retention can be effectively blocked. In combination with Propecia (finasteride), we have a great advance. Applications:The effects of Femara can be quite dramatic to say the least. A daily dose of one tablet (2.5 mg) can produce estrogen suppression greater than 80 % in treated patients. With the powerful effect this drug has on hormone levels, it is only to be used (clinically) by post-menopausal women whose disease has progressed following treatment with Nolvadex. Side effects like hot flushes and hair thinning can be present, and would no doubt be much more severe in pre-menopausal patients.For the steroid using male athlete, Femara shows great potential. Up to this point, drugs like Nolvadex and Proviron have been our weapons against excess estrogen. These drugs, especially in combination, do prove quite effective.But Femara appears able to do the job much more efficiently, and with less hassle. Its use is only now catching on, but early reports have been excellent. A single tablet daily, the same dose use clinically, seems to be all one needs for an exceptional effect (some even report excellent results with only 1/4 tablet daily). COA and HPLC: COA: 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 ¡Ü0.5% 0.31% Single impurity ¡Ü0.3% 0.18% Loss on drying ¡Ü1.0% 0.18% [Assay]C17H11N5 (On anhydrous basis) ¡Ý98.0% 99.6% Conclusion Conforms Specifications of Enterprise Standard.
Nandrolone laurateChemical Name: 4-estren-17beta-ol-3-one laurateCAS NO.: 26490-31-3Molecular Formula: C30H48O3Molecular weight: 456.71Appearance: white or almost white crystalline powder Standar
Product name: Testosterone phenylpropionateSynonym: RetandrolCAS No.: 1255-49-8M.F.: C28H36O3M.W.: 420.58Assays: 99.03%Packing: 1kg/foil bagAppearance: White or Almost White Crystalline PowderQuality
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