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Molecular formula

C18H13NO4

114 compounds have this formula on CompoundList.

Molar mass
307.30g/mol
Monoisotopic mass
307.0845Da
Atoms
36
Elements
4
Rings plus double bonds
13

The formula C18H13NO4 describes a molecule made of 18 carbon atoms, 13 hydrogen atoms, 1 nitrogen atom and 4 oxygen atoms. It is written in Hill notation: carbon first, then hydrogen, then the other elements in alphabetical order. The formula tells you which atoms are present, not how they are connected, which is why several different chemicals can share it.

Elemental composition

  • C Carbon × 1870.35%
    12.011 × 18 = 216.198 g/mol
  • H Hydrogen × 134.26%
    1.008 × 13 = 13.104 g/mol
  • N Nitrogen × 14.56%
    14.007 × 1 = 14.007 g/mol
  • O Oxygen × 420.82%
    15.999 × 4 = 63.996 g/mol
Look up another formula

Compounds with the formula C18H13NO4

Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.

Showing 101 to 114 of 114 compounds

1-(1-Hydroxy-4-nitronaphthalen-2-yl)-2-phenylethanone chemical structure, C18H13NO4, CAS 861068-37-3
1-(1-Hydroxy-4-nitronaphthalen-2-yl)-2-phenylethanone
CAS 861068-37-3C18H13NO4
3-Methyl-1,4-dioxo-1,4-dihydronaphthalen-2-yl 4-aminobenzoate chemical structure, C18H13NO4, CAS 1147564-13-3
3-Methyl-1,4-dioxo-1,4-dihydronaphthalen-2-yl 4-aminobenzoate
CAS 1147564-13-3C18H13NO4
1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 2,3-dihydro-1H-indene-4-carboxylate chemical structure, C18H13NO4, CAS 2248328-71-2
1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 2,3-dihydro-1H-indene-4-carboxylate
CAS 2248328-71-2C18H13NO4
1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 3-cyclopropylbenzoate chemical structure, C18H13NO4, CAS 2248274-84-0
1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 3-cyclopropylbenzoate
CAS 2248274-84-0C18H13NO4
1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 2-(prop-2-en-1-yl)benzoate chemical structure, C18H13NO4, CAS 2248405-93-6
1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 2-(prop-2-en-1-yl)benzoate
CAS 2248405-93-6C18H13NO4
1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl (1S)-2,3-dihydro-1H-indene-1-carboxylate chemical structure, C18H13NO4, CAS 2248198-89-0
1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl (1S)-2,3-dihydro-1H-indene-1-carboxylate
CAS 2248198-89-0C18H13NO4
1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 4-cyclopropylbenzoate chemical structure, C18H13NO4, CAS 2248312-44-7
1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 4-cyclopropylbenzoate
CAS 2248312-44-7C18H13NO4
1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 2-cyclopropylbenzoate chemical structure, C18H13NO4, CAS 2248312-48-1
1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 2-cyclopropylbenzoate
CAS 2248312-48-1C18H13NO4
1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl (1R)-2,3-dihydro-1H-indene-1-carboxylate chemical structure, C18H13NO4, CAS 2248175-80-4
1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl (1R)-2,3-dihydro-1H-indene-1-carboxylate
CAS 2248175-80-4C18H13NO4
1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 2,3-dihydro-1H-indene-5-carboxylate chemical structure, C18H13NO4, CAS 2248345-99-3
1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 2,3-dihydro-1H-indene-5-carboxylate
CAS 2248345-99-3C18H13NO4
1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 2-phenylbut-3-enoate chemical structure, C18H13NO4, CAS 2248329-65-7
1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 2-phenylbut-3-enoate
CAS 2248329-65-7C18H13NO4
4-Cyano-2-methoxyphenyl 2H-chromene-3-carboxylate chemical structure, C18H13NO4, CAS 1323787-66-1
4-Cyano-2-methoxyphenyl 2H-chromene-3-carboxylate
CAS 1323787-66-1C18H13NO4
3-Phenyl-4,12,14-trioxa-6-azatetracyclo[7.7.0.02,6.011,15]hexadeca-1(16),2,9,11(15)-tetraen-5-one chemical structure, C18H13NO4, CAS 112970-31-7
3-Phenyl-4,12,14-trioxa-6-azatetracyclo[7.7.0.02,6.011,15]hexadeca-1(16),2,9,11(15)-tetraen-5-one
CAS 112970-31-7C18H13NO4
2-Hydroxy-2-(5-methoxy-1H-indol-3-yl)indene-1,3-dione chemical structure, C18H13NO4, CAS 124312-84-1
2-Hydroxy-2-(5-methoxy-1H-indol-3-yl)indene-1,3-dione
CAS 124312-84-1C18H13NO4

Frequently asked questions

What is the molar mass of C18H13NO4?

The molar mass of C18H13NO4 is 307.30 g/mol, calculated from standard atomic weights for 18 carbon atoms, 13 hydrogen atoms, 1 nitrogen atom and 4 oxygen atoms. The monoisotopic mass is 307.0845 Da.

How many compounds have the formula C18H13NO4?

CompoundList lists 114 compounds with the molecular formula C18H13NO4, including 1-(1-Hydroxy-4-nitronaphthalen-2-yl)-2-phenylethanone, 3-Methyl-1,4-dioxo-1,4-dihydronaphthalen-2-yl 4-aminobenzoate, 1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 2,3-dihydro-1H-indene-4-carboxylate. Compounds that share a formula are isomers. They contain the same atoms arranged differently, so their properties, uses and prices can be very different.

What is the degree of unsaturation of C18H13NO4?

C18H13NO4 has a degree of unsaturation of 13. That is the total number of rings and pi bonds (a double bond counts as one, a triple bond as two) in any structure with this formula.