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Letrozole

CAS 112809-51-5

Overview

Letrozole is an aromatase inhibitor sold under the brand name Femra, which is used to treat hormone-responsive breast cancer after surgery. It was patented in 1986 and approved for medical use in 1996

Anant Labs manufacture and furnish high quality Letrozole impurities for global markets. Our Letrozole EP Impurities are used by API manufacturers and fully integrated pharmaceutical companies worldwide.

Active Pharmaceutical Ingredient

Chemical structure of Letrozole

Letrozole

Cat. No.: ANT-LTZ-000
CAS: 112809-51-5
Mol. Formula: C₁₇H₁₁N₅
Mol. Weight: 285.3

Impurities (5)

Chemical structure of 1,4-bis[(4-cyanophenyl)methyl]-1H-1,2,4-triazol-4-ium bromide

1,4-bis[(4-cyanophenyl)methyl]-1H-1,2,4-triazol-4-ium bromide

Cat. No.: ANT-LTZ-003
CAS: NA
Mol. Formula: C₁₈H₁₄BrN₅
Mol. Weight: 380.24

Chemical structure of Letrozole Diacid

Letrozole Diacid

Cat. No.: ANT-LTZ-004
CAS: 1644566-39-1
Mol. Formula: C₁₇H₁₅N₃O₄
Mol. Weight: 323.31

Chemical structure of Letrozole Diamide

Letrozole Diamide

Cat. No.: ANT-LTZ-005
CAS: 2170106-13-3
Mol. Formula: C₁₇H₁₇N₅O₂
Mol. Weight: 323.36

Chemical structure of Letrozole Dimer

Letrozole Dimer

Cat. No.: ANT-LTZ-01
CAS: NA
Mol. Formula: C₁₈H₁₄BrN₅
Mol. Weight: 380.25

Chemical structure of Letrozole Impurity B

Letrozole Impurity B

Cat. No.: ANT-LTZ-02
CAS: 113402-31-6
Mol. Formula: C₂₂H₁₃N₃
Mol. Weight: 319.36