12612-56-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 12612-56-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,2,6,1 and 2 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 12612-56:
(7*1)+(6*2)+(5*6)+(4*1)+(3*2)+(2*5)+(1*6)=75
75 % 10 = 5
So 12612-56-5 is a valid CAS Registry Number.