333397-84-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 333397-84-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,3,3,3,9 and 7 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 333397-84:
(8*3)+(7*3)+(6*3)+(5*3)+(4*9)+(3*7)+(2*8)+(1*4)=155
155 % 10 = 5
So 333397-84-5 is a valid CAS Registry Number.
InChI:InChI=1/C18H14N2O3/c21-17(13-5-2-1-3-6-13)19-14-8-10-15(11-9-14)20-18(22)16-7-4-12-23-16/h1-12H,(H,19,21)(H,20,22)