343247-31-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 343247-31-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,4,3,2,4 and 7 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 343247-31:
(8*3)+(7*4)+(6*3)+(5*2)+(4*4)+(3*7)+(2*3)+(1*1)=124
124 % 10 = 4
So 343247-31-4 is a valid CAS Registry Number.