872311-04-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 872311-04-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,7,2,3,1 and 1 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 872311-04:
(8*8)+(7*7)+(6*2)+(5*3)+(4*1)+(3*1)+(2*0)+(1*4)=151
151 % 10 = 1
So 872311-04-1 is a valid CAS Registry Number.