2023-38-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 2023-38-3 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,0,2 and 3 respectively; the second part has 2 digits, 3 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 2023-38:
(6*2)+(5*0)+(4*2)+(3*3)+(2*3)+(1*8)=43
43 % 10 = 3
So 2023-38-3 is a valid CAS Registry Number.