23495-66-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 23495-66-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,3,4,9 and 5 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 23495-66:
(7*2)+(6*3)+(5*4)+(4*9)+(3*5)+(2*6)+(1*6)=121
121 % 10 = 1
So 23495-66-1 is a valid CAS Registry Number.