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ChemicalBook > Product Catalogue >Analytical Chemistry >Standard >Pharmaceutical Impurity Reference Standards >4,4'-(4H-1,2,4-TRIAZOL-4-YLMETHYLENE)BIS BENZONITRILE

4,4'-(4H-1,2,4-TRIAZOL-4-YLMETHYLENE)BIS BENZONITRILE

4,4'-(4H-1,2,4-TRIAZOL-4-YLMETHYLENE)BIS BENZONITRILE Structure
  • ₹0
  • Product name: 4,4'-(4H-1,2,4-TRIAZOL-4-YLMETHYLENE)BIS BENZONITRILE
  • CAS: 112809-52-6
  • MF: C17H11N5
  • MW: 285.3
  • EINECS:
  • MDL Number:MFCD07368028
  • Synonyms:4,4'-(4H-1,2,4-TRIAZOL-4-YLMETHYLENE)BIS BENZONITRILE;Iso Letrozole;Letrozole USP iMpurities;AMiodarone IMpurity-A;AMiodarone IMpurity-B;4,4'-(1H-1,3,4-triazol-1-ylMethylene)dibenzonitrile;Letrozole Related CoMpound A;4,4'-(4H-1,3,4-TRIAZOL-4-YLMETHYLENE)BIS
Manufacturer Product number Product description Packaging Price Updated Buy

Properties

Melting point :239-243 °C
Boiling point :563.5±60.0 °C(Predicted)
Density :1.21±0.1 g/cm3(Predicted)
storage temp. :2-8°C
solubility :Chloroform (Slightly, Heated), Methanol (Slightly)
form :Solid
pka :2.48±0.10(Predicted)
color :Off-White to Pale Yellow

Safety Information

Symbol(GHS):
Signal word:
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
Precautionary statements:

Description

Isoletrozole (Letrozole EP Impurity A) is an impurity of Letrozole (L330100). Letrozole impurity A as per USP.

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