12564-61-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 12564-61-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,2,5,6 and 4 respectively; the second part has 2 digits, 6 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 12564-61:
(7*1)+(6*2)+(5*5)+(4*6)+(3*4)+(2*6)+(1*1)=93
93 % 10 = 3
So 12564-61-3 is a valid CAS Registry Number.