31005-59-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 31005-59-1 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, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 31005-59:
(7*3)+(6*1)+(5*0)+(4*0)+(3*5)+(2*5)+(1*9)=61
61 % 10 = 1
So 31005-59-1 is a valid CAS Registry Number.