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.
stdClass Object
(
[pname] => Letrozole
[catalogue_number] => PA 12 53000
[category_ids] => ,80,81,71,78,70,82,
[chemical_name] =>
[weight] => 285.30
[form] => C17H11N5
[cas] => 112809-51-5
[pslug] => 112809-51-5-letrozole-api-pa1253000
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Catalogue No.:PA 12 53000
Molecular Formula : C17H11N5
Molecular Weight : 285.30
stdClass Object
(
[pname] => Letrozole - Impurity A
[catalogue_number] => PA 12 53010
[category_ids] => ,80,75,71,78,70,82,
[chemical_name] =>
[weight] => 285.30
[form] => C17H11N5
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Catalogue No.:PA 12 53010
Molecular Formula : C17H11N5
Molecular Weight : 285.30
stdClass Object
(
[pname] => Letrozole - Impurity B
[catalogue_number] => PA 12 53020
[category_ids] => ,80,75,71,78,70,82,
[chemical_name] =>
[weight] => 319.36
[form] => C22H13N3
[cas] => 113402-31-6
[pslug] => 113402-31-6-letrozole-impurity-b-pa1253020
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Catalogue No.:PA 12 53020
Molecular Formula : C22H13N3
Molecular Weight : 319.36
stdClass Object
(
[pname] => 4-Descyano-4-bromo-letrozole
[catalogue_number] => PA 12 53520
[category_ids] => ,80,79,71,
[chemical_name] =>
[weight] => 339.19
[form] => C16H11BrN4
[cas] => 143030-54-0
[pslug] => 143030-54-0-4-descyano-4-bromo-letrozole-pa1253520
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4-Descyano-4-bromo-letrozole
Catalogue No.:PA 12 53520
Molecular Formula : C16H11BrN4
Molecular Weight : 339.19
stdClass Object
(
[pname] => 4-((1H-1,2,4-Triazol-1-yl)methyl)benzonitrile
[catalogue_number] => PA 12 53530
[category_ids] => 82,80,78,71,70
[chemical_name] =>
[weight] => 184.2
[form] => C10H8N4
[cas] => 112809-25-3
[pslug] => 112809-25-3-4-1h-1-2-4-triazol-1-yl-methyl-benzonitrile-pa1253530
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4-((1H-1,2,4-Triazol-1-yl)methyl)benzonitrile
stdClass Object
(
[pname] => 4-(Chloromethyl)benzonitrile
[catalogue_number] => PA 12 0531004
[category_ids] => ,71,78,70,82,
[chemical_name] =>
[weight] => 151.59
[form] => C8H6ClN
[cas] => 874-86-2
[pslug] => 874-86-2-4-chloromethyl-benzonitrile-pa120531004
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4-(Chloromethyl)benzonitrile
Catalogue No.:PA 12 0531004
Molecular Formula : C8H6ClN
Molecular Weight : 151.59
stdClass Object
(
[pname] => 4,4'-Methylenedibenzonitrile
[catalogue_number] => PA 12 0531005
[category_ids] => ,71,78,70,82,
[chemical_name] =>
[weight] => 218.26
[form] => C15H10N2
[cas] => 10466-37-2
[pslug] => 10466-37-2-4-4-methylenedibenzonitrile-pa120531005
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4,4'-Methylenedibenzonitrile
Catalogue No.:PA 12 0531005
Molecular Formula : C15H10N2
Molecular Weight : 218.26
stdClass Object
(
[pname] => 4-((1H-1,2,4-Triazol-1-yl)methyl)benzonitrile Hydrochloride
[catalogue_number] => PA 12 0531006
[category_ids] => ,80,71,78,70,82,
[chemical_name] =>
[weight] => 220.66
[form] => C10H9ClN4
[cas] => 112809-26-4
[pslug] => 112809-26-4-4-1h-1-2-4-triazol-1-yl-methyl-benzonitrile-hydrochloride-pa120531006
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4-((1H-1,2,4-Triazol-1-yl)methyl)benzonitrile Hydrochloride
Catalogue No.:PA 12 0531006
Molecular Formula : C10H9ClN4
Molecular Weight : 220.66
