19715-24-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 19715-24-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,9,7,1 and 5 respectively; the second part has 2 digits, 2 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 19715-24:
(7*1)+(6*9)+(5*7)+(4*1)+(3*5)+(2*2)+(1*4)=123
123 % 10 = 3
So 19715-24-3 is a valid CAS Registry Number.