31006-81-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 31006-81-2 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 6 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 31006-81:
(7*3)+(6*1)+(5*0)+(4*0)+(3*6)+(2*8)+(1*1)=62
62 % 10 = 2
So 31006-81-2 is a valid CAS Registry Number.