667879-98-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 667879-98-3 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 9 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 667879-98:
(8*6)+(7*6)+(6*7)+(5*8)+(4*7)+(3*9)+(2*9)+(1*8)=253
253 % 10 = 3
So 667879-98-3 is a valid CAS Registry Number.