31000-93-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 31000-93-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,1,0,0 and 0 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 31000-93:
(7*3)+(6*1)+(5*0)+(4*0)+(3*0)+(2*9)+(1*3)=48
48 % 10 = 8
So 31000-93-8 is a valid CAS Registry Number.