31089-59-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 31089-59-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,1,0,8 and 9 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 31089-59:
(7*3)+(6*1)+(5*0)+(4*8)+(3*9)+(2*5)+(1*9)=105
105 % 10 = 5
So 31089-59-5 is a valid CAS Registry Number.