144738-21-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 144738-21-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,4,7,3 and 8 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 144738-21:
(8*1)+(7*4)+(6*4)+(5*7)+(4*3)+(3*8)+(2*2)+(1*1)=136
136 % 10 = 6
So 144738-21-6 is a valid CAS Registry Number.
144738-21-6Relevant articles and documents
α,β-unsaturated nitriles in organic synthesis: Synthesis of biaryls, aminopyridone, pyridazine and polyazanaphthalene derivatives
Elagamey,El-Taweel,Khodeir
, p. 418 - 420 (2007/10/02)
Several new biaryls, quinazolines, aminopyridones, pyridopyrimidines and pyridazines were synthesised using readily obtainable α,β-unsaturated nitriles as starting components.