78322-77-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 78322-77-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,8,3,2 and 2 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 78322-77:
(7*7)+(6*8)+(5*3)+(4*2)+(3*2)+(2*7)+(1*7)=147
147 % 10 = 7
So 78322-77-7 is a valid CAS Registry Number.