19290-08-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 19290-08-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,9,2,9 and 0 respectively; the second part has 2 digits, 0 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 19290-08:
(7*1)+(6*9)+(5*2)+(4*9)+(3*0)+(2*0)+(1*8)=115
115 % 10 = 5
So 19290-08-5 is a valid CAS Registry Number.
19290-08-5Relevant articles and documents
Synthesis and biological activity of isoquinolinyl benzimidazoles
Pandey,Shukla, Aparna
, p. 1381 - 1383 (2007/10/03)
Condensation of benzoic acid with amidoalcohols in presence of conc. H2SO4 furnishes m-(amidoalkyl)-benzoic acids 1 which on treatment with benzoin in polyphosphoric acid give 3,4-diphenyl-7-amidoalkyl-coumarins 2 in excellent yields