23759-68-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 23759-68-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,3,7,5 and 9 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 23759-68:
(7*2)+(6*3)+(5*7)+(4*5)+(3*9)+(2*6)+(1*8)=134
134 % 10 = 4
So 23759-68-4 is a valid CAS Registry Number.