76822-81-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 76822-81-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,6,8,2 and 2 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 76822-81:
(7*7)+(6*6)+(5*8)+(4*2)+(3*2)+(2*8)+(1*1)=156
156 % 10 = 6
So 76822-81-6 is a valid CAS Registry Number.