66312-03-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 66312-03-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,6,3,1 and 2 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 66312-03:
(7*6)+(6*6)+(5*3)+(4*1)+(3*2)+(2*0)+(1*3)=106
106 % 10 = 6
So 66312-03-6 is a valid CAS Registry Number.