674420-70-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 674420-70-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,7,4,4,2 and 0 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 674420-70:
(8*6)+(7*7)+(6*4)+(5*4)+(4*2)+(3*0)+(2*7)+(1*0)=163
163 % 10 = 3
So 674420-70-3 is a valid CAS Registry Number.