1212420-14-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1212420-14-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,1,2,4,2 and 0 respectively; the second part has 2 digits, 1 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1212420-14:
(9*1)+(8*2)+(7*1)+(6*2)+(5*4)+(4*2)+(3*0)+(2*1)+(1*4)=78
78 % 10 = 8
So 1212420-14-8 is a valid CAS Registry Number.