1349778-55-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1349778-55-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,4,9,7,7 and 8 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1349778-55:
(9*1)+(8*3)+(7*4)+(6*9)+(5*7)+(4*7)+(3*8)+(2*5)+(1*5)=217
217 % 10 = 7
So 1349778-55-7 is a valid CAS Registry Number.
1349778-55-7Relevant articles and documents
Synthesis of azepino[1,2-a]benzimidazoles and imidazo[1,2-a]azepines
Potikha,Turelyk,Kovtunenko
experimental part, p. 745 - 754 (2012/01/17)
Fusion of 4-bromo-1,3-diphenyl-2-buten-1-ones (γ-bromodypnones) with 1,2-dimethyl-1H-benzimidazole and further treatment of the reaction product with a base (morpholine) gives 7,9-diaryl-5-methyl5,10-dihydroazepino[1,2-a] benzimidazol-11-ium bromides. The
