19972-82-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 19972-82-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,9,9,7 and 2 respectively; the second part has 2 digits, 8 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 19972-82:
(7*1)+(6*9)+(5*9)+(4*7)+(3*2)+(2*8)+(1*2)=158
158 % 10 = 8
So 19972-82-8 is a valid CAS Registry Number.