31598-83-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 31598-83-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,1,5,9 and 8 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 31598-83:
(7*3)+(6*1)+(5*5)+(4*9)+(3*8)+(2*8)+(1*3)=131
131 % 10 = 1
So 31598-83-1 is a valid CAS Registry Number.