1212102-19-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1212102-19-6 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,1,2,1,0 and 2 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1212102-19:
(9*1)+(8*2)+(7*1)+(6*2)+(5*1)+(4*0)+(3*2)+(2*1)+(1*9)=66
66 % 10 = 6
So 1212102-19-6 is a valid CAS Registry Number.