667874-51-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 667874-51-3 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 4 respectively; the second part has 2 digits, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 667874-51:
(8*6)+(7*6)+(6*7)+(5*8)+(4*7)+(3*4)+(2*5)+(1*1)=223
223 % 10 = 3
So 667874-51-3 is a valid CAS Registry Number.