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Letrozole

Letrozole / CAS : 112809-51-5

Appearance White or off white crystalline powder UN -
HS 29339900 DG Class -
Synonyms Letrozoleusp28; Cgs-20267; Letrazole; Letrozolex; Lelrozol; 1-[Bis(4-Cyanophenyl)Methyl]-1,2,4-Triazole; 4,4'-(1H-1,2,4-Triazol-1-Ylmethylene)Dibenzonitrile; Femara; 4,4'-(1H-1,2,4-Triazol-1-Ylmethylene)bis(Benzonitrile); UNII-7LKK855W8I; 4,4'-((1h-1,2,4-Triazol-1-yl)Methylene)Dibenzonitrile; Letrozol; Letoval; 4,4'-(1H-1,2,4-Triazol-1-Ylmethylene)Bisbenzonitrile; Femera; [14C]-Letrozole; 4-[(4-Cyanophenyl)-(1,2,4-Triazol-1-yl)Methyl]Benzonitrile
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Properties

Summary

Formula
C17H11N5
Molecular Mass
285.3027
Exact Mass
285.10100
PSA
78.29000
Logp
2.65916
IUPAC
4-[(4-cyanophenyl)-(1,2,4-triazol-1-yl)methyl]benzonitrile
SMILES
C1=CC(=CC=C1C#N)C(C2=CC=C(C=C2)C#N)N3C=NC=N3

Attribute classification

Matter Classification
organic
Category
API & Intermediate > Antineoplastic Agents

Chemical and Physical Properties

Melting Point
181-183°C
Density
1.21 g/cm³
Boiling Point
472.0 ℃
Flash Point
214.2 ℃
Appearance
White or off white crystalline powder
Acidity and Basicity
acidness

Export information

HS Code
29339900
Export Rebate
13%
Risk Code
R36/37/38
Safety Label
Xi

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