23339-17-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 23339-17-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,3,3,3 and 9 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 23339-17:
(7*2)+(6*3)+(5*3)+(4*3)+(3*9)+(2*1)+(1*7)=95
95 % 10 = 5
So 23339-17-5 is a valid CAS Registry Number.