847340-31-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 847340-31-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,4,7,3,4 and 0 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 847340-31:
(8*8)+(7*4)+(6*7)+(5*3)+(4*4)+(3*0)+(2*3)+(1*1)=172
172 % 10 = 2
So 847340-31-2 is a valid CAS Registry Number.