Anastrazole Dimer impurity; Anastrazole EP Impurity B; Anastrazole USP Related Compound C

Anastrazole Dimer impurity; Anastrazole EP Impurity B; Anastrazole USP Related Compound C

2,3-Bis[3-(1-cyano-1-methylethyl)-5-(1H,1,2,4-triazole-1-ylmethyl)phenyl]-2-methylpropionitrile

Impurity reference standard used for related substances testing of Anastrazole drug substance and drug product per pharmacopoeial limits.