106257-31-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 106257-31-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,6,2,5 and 7 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 106257-31:
(8*1)+(7*0)+(6*6)+(5*2)+(4*5)+(3*7)+(2*3)+(1*1)=102
102 % 10 = 2
So 106257-31-2 is a valid CAS Registry Number.