53969-23-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 53969-23-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,3,9,6 and 9 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 53969-23:
(7*5)+(6*3)+(5*9)+(4*6)+(3*9)+(2*2)+(1*3)=156
156 % 10 = 6
So 53969-23-6 is a valid CAS Registry Number.