31897-48-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 31897-48-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,1,8,9 and 7 respectively; the second part has 2 digits, 4 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 31897-48:
(7*3)+(6*1)+(5*8)+(4*9)+(3*7)+(2*4)+(1*8)=140
140 % 10 = 0
So 31897-48-0 is a valid CAS Registry Number.