8031-41-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 8031-41-2 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 8,0,3 and 1 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 8031-41:
(6*8)+(5*0)+(4*3)+(3*1)+(2*4)+(1*1)=72
72 % 10 = 2
So 8031-41-2 is a valid CAS Registry Number.