Letrozole and intermediates
Letrozole （femara）[Chemical Name]: 4, 4'-(1H-1, 2, 4-triazol-1-ylmethylene) bis-Benzonitrile [Molecule]: C17H11N5[Molecular weight]: 285.10[CAS]: [Specification]:Appearance White or off-white crystalline powder
Assay ≥99.0%
Related Substance ≤0.3%
Single Impurty ≤0.1%
Loss On Drying ≤0.5%Intermediate of Letrozole
[Chemical Name]: 4-[1-(1, 2, 4-triazolyl)-methyl]-benzonitrile
[CAS NO. ]:
[Chemical Name]: 4, 4'-Dicyanobenzophenone(intermediate of letrozole )
[CAS NO. ]: 32445-66-5
[Chemical Name]: 4-[α-(4-cyanophenyl)-hydroxymethyl]-benzonitrile
[CAS NO. ]:
[Chemical Name]: 4-[α-(4-cyanophenyl)-chloromethyl]-benzonitrile
[CAS NO. ]:
[Impurity]:
4,4’,4”-methylidenetrisbenzonitrile
CAS NO. []
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