667892-33-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 667892-33-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,6,7,8,9 and 2 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 667892-33:
(8*6)+(7*6)+(6*7)+(5*8)+(4*9)+(3*2)+(2*3)+(1*3)=223
223 % 10 = 3
So 667892-33-3 is a valid CAS Registry Number.