287204-24-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 287204-24-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,8,7,2,0 and 4 respectively; the second part has 2 digits, 2 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 287204-24:
(8*2)+(7*8)+(6*7)+(5*2)+(4*0)+(3*4)+(2*2)+(1*4)=144
144 % 10 = 4
So 287204-24-4 is a valid CAS Registry Number.