23269-69-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 23269-69-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,3,2,6 and 9 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 23269-69:
(7*2)+(6*3)+(5*2)+(4*6)+(3*9)+(2*6)+(1*9)=114
114 % 10 = 4
So 23269-69-4 is a valid CAS Registry Number.