| Place of Origin: | China |
|---|---|
| Brand Name: | Senwayer Brand |
| Certification: | ISO, 9001, USP |
| Model Number: | 112809-51-5 |
| Minimum Order Quantity: | 10grams |
| Price: | Discount is possible if your order is big enough |
| Packaging Details: | 10g, 20g, 50g , 100g, 500g. 1kg, 10kg |
| Delivery Time: | within 2 working days |
| Payment Terms: | T/T in advance, Money Gram, Western Union, Bank Transfer. |
| Supply Ability: | 1000kg/month |
| NR CAS: | 112809-51-5 | NR Alias: | Femara, Letrozole |
|---|---|---|---|
| NR Apparence: | Almost White Crystalline Powder | NR Purity: | 99% |
| High Light: | anti cancer drugs,breast cancer drugs |
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Raw Material Breast Cancer Cure Drug CAS 112809-51-5 Letrozole
Quick detail
| Letrozole Alias | Femara, Letrozole, TROZET,Femara;Letrozol,Letrozole,Hormone,4,4'-(1H-1,2,4-TRIAZOL-1-YLMETHYLENE) BIS-BENZONITRILE;CGS-20267;LETROZOL;LetrozoleUsp28;Letrozole99%;CGS-20267 |
|
Letrozole CAS Number:
|
112809-51-5 |
|
Letrozole Purity:
|
98% |
|
Letrozole MF:
|
C17H11N5 |
| Letrozole MW: | 285.3 |
|
Letrozole Character:
|
White crystalline powder. |
| Other drugs in same class: | Anastrozole,Letrozole,Tamoxifen citrate,Exemestane |
| Letrozole Usage: |
Letrozole is a powerful Aromatase Inhibitor that was developed to fight breast cancer. For athletes and bodybuilders, it is a drug used to combat the estrogenic side effects of anabolic steroids water-retention, acne and gynocomastia. It will also raise testosterone levels because of the lowered estrogen in the body. Side effects from Letrozole include a lowered sex drive and continuous use can lead to lowered lipid function and an impaired immune system.
|
Letrozole Usage:
Letrozole is approved to be used alone or with other drugs to treat:
Letrozole is also being studied in the treatment of other types of cancer.
More About Letrozole
Definition from the NCI Drug Dictionary - Detailed scientific definition and other names for this drug.
MedlinePlus Information on Letrozole - A lay language summary of important information about this drug that may include the following:
Drugs are often studied to find out if they can help treat or prevent conditions other than the ones they are approved for. This patient information sheet applies only to approved uses of the drug. However, much of the information may also apply to unapproved uses that are being studied.
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Precautions
Before taking letrozole, tell your doctor or pharmacist if you are allergic to it; or to anastrozole; or if you have any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details.
Before using this medication, tell your doctor or pharmacist your medical history, especially of: high blood fats (cholesterol), bone problems (such as osteopenia, osteoporosis), stroke or blood clots, heart disease (such as chest pain, heart attack, heart failure), high blood pressure, kidney problems, liver problems.
This drug may make you dizzy and tired, and may rarely cause blurred vision. Do not drive, use machinery, or do any activity that requires alertness or clear vision until you are sure you can perform such activities safely. Limit alcoholic beverages...
Specifications:
| 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 | 182ºC-184ºC | 182ºC |
| 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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