248243-31-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 248243-31-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,4,8,2,4 and 3 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 248243-31:
(8*2)+(7*4)+(6*8)+(5*2)+(4*4)+(3*3)+(2*3)+(1*1)=134
134 % 10 = 4
So 248243-31-4 is a valid CAS Registry Number.