288581-45-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 288581-45-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,8,8,5,8 and 1 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 288581-45:
(8*2)+(7*8)+(6*8)+(5*5)+(4*8)+(3*1)+(2*4)+(1*5)=193
193 % 10 = 3
So 288581-45-3 is a valid CAS Registry Number.