80667-81-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 80667-81-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,0,6,6 and 7 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 80667-81:
(7*8)+(6*0)+(5*6)+(4*6)+(3*7)+(2*8)+(1*1)=148
148 % 10 = 8
So 80667-81-8 is a valid CAS Registry Number.