1219967-81-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1219967-81-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,1,9,9,6 and 7 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1219967-81:
(9*1)+(8*2)+(7*1)+(6*9)+(5*9)+(4*6)+(3*7)+(2*8)+(1*1)=193
193 % 10 = 3
So 1219967-81-3 is a valid CAS Registry Number.