872813-71-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 872813-71-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,7,2,8,1 and 3 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 872813-71:
(8*8)+(7*7)+(6*2)+(5*8)+(4*1)+(3*3)+(2*7)+(1*1)=193
193 % 10 = 3
So 872813-71-3 is a valid CAS Registry Number.