204074-79-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 204074-79-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,4,0,7 and 4 respectively; the second part has 2 digits, 7 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 204074-79:
(8*2)+(7*0)+(6*4)+(5*0)+(4*7)+(3*4)+(2*7)+(1*9)=103
103 % 10 = 3
So 204074-79-3 is a valid CAS Registry Number.