678-86-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 678-86-4 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 6,7 and 8 respectively; the second part has 2 digits, 8 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 678-86:
(5*6)+(4*7)+(3*8)+(2*8)+(1*6)=104
104 % 10 = 4
So 678-86-4 is a valid CAS Registry Number.