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CAS 112809-51-5 Anabolic Steroid Hormones Letrozole Femara Letrazole Muscle Growth
Alias:Femara , Letrozole ,TROZET
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
MP: 181-183 degrees
Half-life : Letrozole 2-4 day
What special precautions should I follow?
Before taking letrozole,
tell your doctor and pharmacist if you are allergic to letrozole, any other medications, or any of the ingredients in letrozole tablets. Ask your pharmacist for a list of the ingredients.
tell your doctor and pharmacist what other prescription and nonprescription medications, vitamins, nutritional supplements, and herbal products you are taking or plan to take. Be sure to mention any of the following: medications that contain estrogen such as hormone replacement therapy (HRT) and hormonal contraceptives (birth control pills, patches, rings, and injections); raloxifene (Evista); and tamoxifen (Nolvadex).
tell your doctor if you have high cholesterol, osteoporosis (condition in which the bones are fragile and break easily), or liver disease.
you should know that letrozole should only be taken by women who have experienced menopause and cannot become pregnant. However, if you are pregnant or breast-feeding, you should tell your doctor before you begin taking this medication. Letrozole may harm the fetus.
you should know that letrozole may make you drowsy. Do not drive a car or operate machinery until you know how this medication affects you.
What should I do if I forget a dose?
Take the missed dose as soon as you remember it. However, if it is almost time for the next dose, skip the missed dose and continue your regular dosing schedule. Do not take a double dose to make up for a missed one.
COA
Tests | Specifications | Results |
Appearance | White or off-white crystaline powder | White |
Crystalline powder | ||
Solubility | Soluble in Chloroform; | Conform |
Soluble in ethanol when heated | ||
ldentification | (1)Maximum absorption in wavelength of 240 nm | Conform |
Minimum absorption in wavelength of 215 nm | 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% | 0.30% |
Single impurity | ≤0.3% | 0.20% |
Loss on drying | ≤1.0% | 0.80% |
[Assay]C17H11N5 | ≥98.0% | 99.20% |
(On anhydrous basis) | ||
Conclusion | Conforms Specifications of Enterprise Standard. |
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