1453423-56-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1453423-56-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,5,3,4,2 and 3 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1453423-56:
(9*1)+(8*4)+(7*5)+(6*3)+(5*4)+(4*2)+(3*3)+(2*5)+(1*6)=147
147 % 10 = 7
So 1453423-56-7 is a valid CAS Registry Number.