letrozole
Letrozole is also used to help prevent the cancer from returning. Some breast cancers are made to grow faster by a natural hormone called estrogen. It is sold under the brand name Femara. Reference standards of Letrozole API,and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.
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[pname] => Letrozole - API Standards
[catalogue_number] => PA 12 53000
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[weight] => 285.30
[form] => C17H11N5
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Letrozole - API Standards
Catalogue No.:PA 12 53000
Molecular Formula : C17H11N5
Molecular Weight : 285.30
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[pname] => Letrozole - Impurity A
[catalogue_number] => PA 12 53010
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[weight] => 285.30
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Catalogue No.:PA 12 53010
Molecular Formula : C17H11N5
Molecular Weight : 285.30
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[pname] => Letrozole - Impurity B
[catalogue_number] => PA 12 53020
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[chemical_name] =>
[weight] => 319.36
[form] => C22H13N3
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Catalogue No.:PA 12 53020
Molecular Formula : C22H13N3
Molecular Weight : 319.36
stdClass Object
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[pname] => 4-Descyano-4-bromo-letrozole
[catalogue_number] => PA 12 53520
[category_ids] => ,80,79,71,
[chemical_name] =>
[weight] => 339.19
[form] => C16H11BrN4
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4-Descyano-4-bromo-letrozole
Catalogue No.:PA 12 53520
Molecular Formula : C16H11BrN4
Molecular Weight : 339.19
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[weight] => 184.2
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4-((2H-1,2,3-Triazol-2-yl)methyl)benzonitrile