1397972-22-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1397972-22-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,9,7,9,7 and 2 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1397972-22:
(9*1)+(8*3)+(7*9)+(6*7)+(5*9)+(4*7)+(3*2)+(2*2)+(1*2)=223
223 % 10 = 3
So 1397972-22-3 is a valid CAS Registry Number.