1212422-15-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1212422-15-5 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 2 respectively; the second part has 2 digits, 1 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1212422-15:
(9*1)+(8*2)+(7*1)+(6*2)+(5*4)+(4*2)+(3*2)+(2*1)+(1*5)=85
85 % 10 = 5
So 1212422-15-5 is a valid CAS Registry Number.