Alias: Femara
Pureté: 99%min
Numéro de registre CAS: 112809-51-5
Formule moléculaire: C17H11N5
Poids moléculaire: 285.3
Grade: Qualité pharmaceutique
Usage: matériel pharmaceutique
Femara, sold under the brand name Femara, is a prescription drug used to treat breast cancer in its advanced stages, and in women who have finished menopause. Doctors may use Femara off-label in fertility treatments to help encourage egg release (ovulation) in women. Femara belongs to a class of cancer drugs known as aromatase inhibitors, which work by preventing the body from converting a hormone called androgen into estrogen.
Letrozole is a type II (non-steroidal) third generation aromatase inhibitor. Clinically it is used to treat postmenopausal women with either estrogen receptor positive or estrogen receptor unknown breast cancer.
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.
| ARTICLES DE TEST |
SPÉCIFICATION
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RÉSULTATS
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Description
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Poudre cristalline blanche
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Poudre blanche
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Identification
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Positif
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Positif
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Essai(by HPLC)
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98.0~102,0%
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99.58%
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|
Absorbance(E1cm)
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465~495
|
486.5
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|
Point de fusion
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191~195ºC
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192.5~195.0ºC
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|
Perte au séchage
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0.5%maximum
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0.22%
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|
Rotation spécifique
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+288º~ +298º
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+295.2ºC
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|
Résidus à l'allumage
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0.1%maximum
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0.02%
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Substances associées
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Total:1.5%maximum
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<1.2%
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|
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Célibataire:0.5%maximum
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<0.6%
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|
Residue Solvents
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0.2%maximum
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0.1%
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|
Métaux lourds
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20PPm max
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<10PPm
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