67-15-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 67-15-2 includes 5 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 2 digits, 6 and 7 respectively; the second part has 2 digits, 1 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 67-15:
(4*6)+(3*7)+(2*1)+(1*5)=52
52 % 10 = 2
So 67-15-2 is a valid CAS Registry Number.