23933-13-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 23933-13-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,3,9,3 and 3 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 23933-13:
(7*2)+(6*3)+(5*9)+(4*3)+(3*3)+(2*1)+(1*3)=103
103 % 10 = 3
So 23933-13-3 is a valid CAS Registry Number.