78672-68-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 78672-68-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,8,6,7 and 2 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 78672-68:
(7*7)+(6*8)+(5*6)+(4*7)+(3*2)+(2*6)+(1*8)=181
181 % 10 = 1
So 78672-68-1 is a valid CAS Registry Number.