4242-33-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 4242-33-5 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,2,4 and 2 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 4242-33:
(6*4)+(5*2)+(4*4)+(3*2)+(2*3)+(1*3)=65
65 % 10 = 5
So 4242-33-5 is a valid CAS Registry Number.
InChI:InChI=1/C16H15FO2/c17-11-12-19-16(18)15(13-7-3-1-4-8-13)14-9-5-2-6-10-14/h1-10,15H,11-12H2