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4-((4-broMophenyl)(1H-1,2,4-triazol-1-yl)Methyl)benzonitrile

4-((4-broMophenyl)(1H-1,2,4-triazol-1-yl)Methyl)benzonitrile Structure
CAS No.
143030-54-0
Chemical Name:
4-((4-broMophenyl)(1H-1,2,4-triazol-1-yl)Methyl)benzonitrile
Synonyms
Letrozole Impurity 1;Letrozole Impurity 9;Letrozole Impurity E;Letrozole Impurity 48;Letrozole EP Impurity E;Letrozole Bromo Impurity;Letrozole 4-Descyano 4-Bromo Impurity;4-((4-broMophenyl)(1H-1,2,4-triazol-1-yl)Methyl)benzonitrile;Benzonitrile, 4-[(4-bromophenyl)-1H-1,2,4-triazol-1-ylmethyl]-
CBNumber:
CB92710539
Molecular Formula:
C16H11BrN4
Molecular Weight:
339.19
MOL File:
143030-54-0.mol

4-((4-broMophenyl)(1H-1,2,4-triazol-1-yl)Methyl)benzonitrile Chemical Properties,Uses,Production

Uses

4-Descyano-4-bromo-letrozole is an impurity of Letrozole (L330100), a nonsteroidal aromatase inhibitor structurally related to Fadrozole. Antineoplastic.

4-((4-broMophenyl)(1H-1,2,4-triazol-1-yl)Methyl)benzonitrile Preparation Products And Raw materials

Raw materials

Preparation Products

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4-((4-broMophenyl)(1H-1,2,4-triazol-1-yl)Methyl)benzonitrile Letrozole Impurity E Letrozole Impurity 9 Letrozole Impurity 1 Letrozole EP Impurity E Benzonitrile, 4-[(4-bromophenyl)-1H-1,2,4-triazol-1-ylmethyl]- Letrozole 4-Descyano 4-Bromo Impurity Letrozole Impurity 48 Letrozole Bromo Impurity 143030-54-0