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Letrozole is a non-steroidal aromatase inhibitor used primarily in the treatment of hormone receptor-positive breast cancer in postmenopausal women. It works by inhibiting the aromatase enzyme, which is responsible for converting androgens into estrogens, thereby reducing estrogen levels in the body. This reduction can slow or stop the growth of hormone-sensitive tumors that require estrogen to grow.
| Chemical formula | C17H19N5 |
| Molecular weight | 285.37 g/mol |
| Purity | Typically 98% or higher |
| Form | Powder or crystalline form |
| Storage conditions | Cool, dry place, typically at 20-25°C |
When purchasing Letrozole, buyers should consider the required purity levels and the form needed for their specific applications. It is also important to specify the quantity required, as bulk orders may influence pricing. Additionally, inquire about any necessary certifications or compliance with regulatory standards pertinent to pharmaceutical ingredients.
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Letrozole is primarily used to treat hormone receptor-positive breast cancer in postmenopausal women.
It inhibits the aromatase enzyme, reducing estrogen levels in the body.
It is typically available in powder or crystalline form.
Purity levels of 98% or higher are commonly required.
Store in a cool, dry place, typically at 20-25°C.
It is specifically indicated for postmenopausal women with hormone receptor-positive breast cancer.