148743-31-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 148743-31-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,8,7,4 and 3 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 148743-31:
(8*1)+(7*4)+(6*8)+(5*7)+(4*4)+(3*3)+(2*3)+(1*1)=151
151 % 10 = 1
So 148743-31-1 is a valid CAS Registry Number.