2031-48-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 2031-48-3 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,0,3 and 1 respectively; the second part has 2 digits, 4 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 2031-48:
(6*2)+(5*0)+(4*3)+(3*1)+(2*4)+(1*8)=43
43 % 10 = 3
So 2031-48-3 is a valid CAS Registry Number.