31005-34-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 31005-34-2 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 5 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 31005-34:
(7*3)+(6*1)+(5*0)+(4*0)+(3*5)+(2*3)+(1*4)=52
52 % 10 = 2
So 31005-34-2 is a valid CAS Registry Number.