229976-31-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 229976-31-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,9,9,7 and 6 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 229976-31:
(8*2)+(7*2)+(6*9)+(5*9)+(4*7)+(3*6)+(2*3)+(1*1)=182
182 % 10 = 2
So 229976-31-2 is a valid CAS Registry Number.