212612-25-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 212612-25-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,2,6,1 and 2 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 212612-25:
(8*2)+(7*1)+(6*2)+(5*6)+(4*1)+(3*2)+(2*2)+(1*5)=84
84 % 10 = 4
So 212612-25-4 is a valid CAS Registry Number.