Molecular formula
C18H16N2O4
354 compounds have this formula on CompoundList.
- Molar mass
- 324.34g/mol
- Monoisotopic mass
- 324.1110Da
- Atoms
- 40
- Elements
- 4
- Rings plus double bonds
- 12
The formula C18H16N2O4 describes a molecule made of 18 carbon atoms, 16 hydrogen atoms, 2 nitrogen atoms 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 × 1866.66%12.011 × 18 = 216.198 g/mol
- H Hydrogen × 164.97%1.008 × 16 = 16.128 g/mol
- N Nitrogen × 28.64%14.007 × 2 = 28.014 g/mol
- O Oxygen × 419.73%15.999 × 4 = 63.996 g/mol
Look up another formula
Compounds with the formula C18H16N2O4
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 301 to 354 of 354 compounds
N1,N2-Bis(2-formyl-6-methylphenyl)ethanediamide
CAS 84902-25-0C18H16N2O4
2-Butenedioic acid (Z)-, mono(((4-methoxyphenyl)phenylmethylene)hydrazide)
CAS 160549-42-8C18H16N2O4
![2-Methyl-2-[4-(5-phenyl-1,2,4-oxadiazol-3-yl)phenoxy]propanoic acid chemical structure, C18H16N2O4, CAS 40678-81-7](/s/YHWSRIHKDIVPRD-UHFFFAOYSA-N.svg)
2-Methyl-2-[4-(5-phenyl-1,2,4-oxadiazol-3-yl)phenoxy]propanoic acid
CAS 40678-81-7C18H16N2O4
Methyl 2-(1,3-dioxoisoindolin-2-yl)-4,5,6,7-tetrahydro-2H-isoindole-1-carboxylate
CAS 122181-84-4C18H16N2O4
![2-{[(Benzyloxy)carbonyl]amino}-3-(3-cyanophenyl)propanoic acid chemical structure, C18H16N2O4, CAS 1313032-70-0](/s/QPZRIEZBUQAEHK-UHFFFAOYSA-N.svg)
2-{[(Benzyloxy)carbonyl]amino}-3-(3-cyanophenyl)propanoic acid
CAS 1313032-70-0C18H16N2O4
Methyl 4-(4-aminophenoxy)-7-methoxyquinoline-6-carboxylate
CAS 417722-78-2C18H16N2O4
![3-[4-(2-Oxo-1,3-oxazolidin-3-yl)phenyl]-5-phenyl-1,3-oxazolidin-2-one chemical structure, C18H16N2O4, CAS 69974-32-9](/s/MFSUYYBFGXUVBG-UHFFFAOYSA-N.svg)
3-[4-(2-Oxo-1,3-oxazolidin-3-yl)phenyl]-5-phenyl-1,3-oxazolidin-2-one
CAS 69974-32-9C18H16N2O4
![3-[4-(2-Oxo-1,3-oxazolidin-3-yl)phenyl]-4-phenyl-1,3-oxazolidin-2-one chemical structure, C18H16N2O4, CAS 69974-33-0](/s/VFYOMDNGKBBVRY-UHFFFAOYSA-N.svg)
3-[4-(2-Oxo-1,3-oxazolidin-3-yl)phenyl]-4-phenyl-1,3-oxazolidin-2-one
CAS 69974-33-0C18H16N2O4
1,1'-(1,4-Phenylene)bis(3,4-dimethyl-1H-pyrrole-2,5-dione)
CAS 89068-62-2C18H16N2O4
![N-{2-[(4-Methoxyphenyl)ethynyl]-5-nitrophenyl}propanamide chemical structure, C18H16N2O4, CAS 149172-15-6](/s/ZKXWFGIOQPWLQA-UHFFFAOYSA-N.svg)
N-{2-[(4-Methoxyphenyl)ethynyl]-5-nitrophenyl}propanamide
CAS 149172-15-6C18H16N2O4
![N-(4-Methylphenyl)-2-[(3-nitrophenyl)methylidene]-3-oxobutanamide chemical structure, C18H16N2O4, CAS 490036-29-8](/s/XZLWBDFAFVIFFR-UHFFFAOYSA-N.svg)
N-(4-Methylphenyl)-2-[(3-nitrophenyl)methylidene]-3-oxobutanamide
CAS 490036-29-8C18H16N2O4
N~1~,N~6~-Dihydroxy-N~1~,N~6~-diphenylhexa-2,4-dienediamide
CAS 61494-25-5C18H16N2O4
![4-[2-(5-Phenyl-1,2,4-oxadiazol-3-yl)phenoxy]butanoic acid chemical structure, C18H16N2O4, CAS 876162-22-0](/s/KCVRFAWIAFSMOS-UHFFFAOYSA-N.svg)
4-[2-(5-Phenyl-1,2,4-oxadiazol-3-yl)phenoxy]butanoic acid
CAS 876162-22-0C18H16N2O4
![Methyl 3-formyl-2-[(4-methoxyphenyl)methyl]indazole-4-carboxylate chemical structure, C18H16N2O4, CAS 1262420-96-1](/s/REOUYFUKEAJTDO-UHFFFAOYSA-N.svg)
Methyl 3-formyl-2-[(4-methoxyphenyl)methyl]indazole-4-carboxylate
CAS 1262420-96-1C18H16N2O4
4-Hydroxy-N-(4-methoxyphenyl)-2-oxo-1-phenyl-2,5-dihydro-1H-pyrrole-3-carboxamide
CAS 1221504-66-0C18H16N2O4
![1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 2-[(dimethylamino)methyl]benzoate chemical structure, C18H16N2O4, CAS 2248354-16-5](/s/XNEBDFIVDZIMGA-UHFFFAOYSA-N.svg)
1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 2-[(dimethylamino)methyl]benzoate
CAS 2248354-16-5C18H16N2O4
1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 2-(dimethylamino)-2-phenylacetate
CAS 2248257-73-8C18H16N2O4
1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 2-methyl-6-(propan-2-yl)pyridine-3-carboxylate
CAS 2248328-53-0C18H16N2O4
1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 6-methyl-2-(propan-2-yl)pyridine-3-carboxylate
CAS 2248321-42-6C18H16N2O4
![1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 4-[(dimethylamino)methyl]benzoate chemical structure, C18H16N2O4, CAS 2248305-28-2](/s/MQPHSKFBKXNQHT-UHFFFAOYSA-N.svg)
1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 4-[(dimethylamino)methyl]benzoate
CAS 2248305-28-2C18H16N2O4
![1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 2-cyanobicyclo[2.2.2]octane-2-carboxylate chemical structure, C18H16N2O4, CAS 2248312-81-2](/s/SBWFHWRPPYZXSG-UHFFFAOYSA-N.svg)
1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 2-cyanobicyclo[2.2.2]octane-2-carboxylate
CAS 2248312-81-2C18H16N2O4
1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 1-cyclopropyl-2,5-dimethyl-1H-pyrrole-3-carboxylate
CAS 2248400-02-2C18H16N2O4
1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 2-methyl-2-(4-methylpyridin-2-yl)propanoate
CAS 2248319-71-1C18H16N2O4
1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 5-tert-butylpyridine-2-carboxylate
CAS 2248371-57-3C18H16N2O4
- 1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 3-[(dimethylamino)methyl]benzoate2248355-82-8C18H16N2O4
- 1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 2-[benzyl(methyl)amino]acetate2248324-26-5C18H16N2O4
- 1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 6-tert-butylpyridine-2-carboxylate2248396-37-2C18H16N2O4
- 1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 3-methyl-2-(pyridin-4-yl)butanoate2248364-54-5C18H16N2O4
- 1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 3-(2,6-dimethylpyridin-4-yl)propanoate2248399-15-5C18H16N2O4
- 1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 1-(1H-pyrrol-1-yl)cyclopentane-1-carboxylate2248354-81-4C18H16N2O4
- 1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 2-(pyridin-2-yl)pentanoate2248377-38-8C18H16N2O4
- 1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 5-tert-butylpyridine-3-carboxylate2248301-81-5C18H16N2O4
- 3-({[(Benzyloxy)carbonyl]amino}methyl)-1H-indole-2-carboxylic acid2580220-56-8C18H16N2O4
- 2-(4-{[(Benzyloxy)carbonyl]amino}-1H-indol-1-yl)acetic acid2580225-17-6C18H16N2O4
- 2-(5-{[(Benzyloxy)carbonyl]amino}-1H-indol-1-yl)acetic acid2580190-97-0C18H16N2O4
- 1-{[(Benzyloxy)carbonyl]amino}-2-methylindolizine-3-carboxylic acid2580202-44-2C18H16N2O4
- 2-{[(Benzyloxy)carbonyl][(3-cyanophenyl)methyl]amino}acetic acid2580220-22-8C18H16N2O4
- 2-(6-{[(Benzyloxy)carbonyl]amino}-1H-indol-1-yl)acetic acid2639403-95-3C18H16N2O4
- 2-(5-{[(Benzyloxy)carbonyl]amino}-1H-indol-3-yl)acetic acid2639442-90-1C18H16N2O4
- Methyl 2-{[(benzyloxy)carbonyl](prop-2-yn-1-yl)amino}pyridine-3-carboxylate2680813-99-2C18H16N2O4
- 1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 3-methyl-2-(pyridin-3-yl)butanoate2248352-13-6C18H16N2O4
- 1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 2-[ethyl(phenyl)amino]acetate2248276-58-4C18H16N2O4
- 2-{[(Benzyloxy)carbonyl]amino}-2-(1H-indol-7-yl)acetic acid2351922-72-8C18H16N2O4
- 5-{[(Benzyloxy)carbonyl]amino}-3-methyl-1H-indole-2-carboxylic acid2870673-02-0C18H16N2O4
- 2-[3-(2-Amino-4-methoxyphenyl)-3-oxopropyl]-1H-isoindole-1,3(2H)-dione1951443-25-6C18H16N2O4
- 3-[(6,7-Dimethoxy-4-quinolinyl)oxy]-6-methyl-2-pyridinecarboxaldehyde666734-50-5C18H16N2O4
- 4-[2-Amino-4-(hydroxymethyl)phenoxy]-1-hydroxy-2-naphthalenecarboxamide138502-53-1C18H16N2O4
- 4-(2,4-Dimethoxybenzylidene)-1-phenylpyrazolidine-3,5-dioneC18H16N2O4
- Methyl (2S)-3-(4-aminophenyl)-2-(1,3-dioxoisoindol-2-yl)propanoate74713-96-5C18H16N2O4
- 1,3-Bis(4-methoxyphenyl)-1H-pyrazole-5-carboxylic acid1020240-53-2C18H16N2O4
- 2-[(E)-2-(3,5-Dimethoxyphenyl)ethenyl]-8-hydroxy-3H-quinazolin-4-one922189-23-9C18H16N2O4
- 1,3,6,8-Tetramethoxybenzo[lmn][3,8]phenanthroline2417022-14-9C18H16N2O4
- (11-Hydroxy-9-oxo-2,8-diazatetracyclo[8.8.0.03,8.012,17]octadeca-1(18),2,10,12,14,16-hexaen-18-yl) acetate87026-63-9C18H16N2O4
- 1-[6-Acetyl-4-(2,5-diacetyl-4-pyridinyl)-2-pyridinyl]ethanone66980-30-1C18H16N2O4
Frequently asked questions
What is the molar mass of C18H16N2O4?
The molar mass of C18H16N2O4 is 324.34 g/mol, calculated from standard atomic weights for 18 carbon atoms, 16 hydrogen atoms, 2 nitrogen atoms and 4 oxygen atoms. The monoisotopic mass is 324.1110 Da.
How many compounds have the formula C18H16N2O4?
CompoundList lists 354 compounds with the molecular formula C18H16N2O4, including N1,N2-Bis(2-formyl-6-methylphenyl)ethanediamide, 2-Butenedioic acid (Z)-, mono(((4-methoxyphenyl)phenylmethylene)hydrazide), 2-Methyl-2-[4-(5-phenyl-1,2,4-oxadiazol-3-yl)phenoxy]propanoic acid. 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 C18H16N2O4?
C18H16N2O4 has a degree of unsaturation of 12. 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.