17599-31-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 17599-31-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,7,5,9 and 9 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 17599-31:
(7*1)+(6*7)+(5*5)+(4*9)+(3*9)+(2*3)+(1*1)=144
144 % 10 = 4
So 17599-31-4 is a valid CAS Registry Number.