82-67-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 82-67-7 includes 5 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 2 digits, 8 and 2 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 82-67:
(4*8)+(3*2)+(2*6)+(1*7)=57
57 % 10 = 7
So 82-67-7 is a valid CAS Registry Number.