667875-66-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 667875-66-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,6,7,8,7 and 5 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 667875-66:
(8*6)+(7*6)+(6*7)+(5*8)+(4*7)+(3*5)+(2*6)+(1*6)=233
233 % 10 = 3
So 667875-66-3 is a valid CAS Registry Number.