123312-03-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 123312-03-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,3,3,1 and 2 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 123312-03:
(8*1)+(7*2)+(6*3)+(5*3)+(4*1)+(3*2)+(2*0)+(1*3)=68
68 % 10 = 8
So 123312-03-8 is a valid CAS Registry Number.