23728-69-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 23728-69-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,3,7,2 and 8 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 23728-69:
(7*2)+(6*3)+(5*7)+(4*2)+(3*8)+(2*6)+(1*9)=120
120 % 10 = 0
So 23728-69-0 is a valid CAS Registry Number.