Molecular formula
C18H16O4
274 compounds have this formula on CompoundList.
- Molar mass
- 296.32g/mol
- Monoisotopic mass
- 299.1237Da
- Atoms
- 38
- Elements
- 3
- Rings plus double bonds
- 11
The formula C18H16O4 describes a molecule made of 18 carbon atoms, 16 hydrogen 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 × 1872.96%12.011 × 18 = 216.198 g/mol
- H Hydrogen × 165.44%1.008 × 16 = 16.128 g/mol
- O Oxygen × 421.60%15.999 × 4 = 63.996 g/mol
Look up another formula
Compounds with the formula C18H16O4
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 201 to 274 of 274 compounds
Dimethyl 2,3-diphenylbut-2-enedioate
CAS 72487-30-0C18H16O4
7-Methoxy-4-(4-methoxyphenyl)-8-methyl-2H-chromen-2-one
CAS 858747-64-5C18H16O4
2-Propenoic acid, 3-(4-methoxyphenyl)-, 2-acetylphenyl ester
CAS 104387-18-0C18H16O4
2-(Biphenyl-4-carbonyl)-3-oxo-butyric acid methyl ester
CAS 676348-60-0C18H16O4
2-Propenoic acid, 3,3'-(1,4-naphthalenediyl)bis-, dimethyl ester
CAS 356793-28-7C18H16O4
Ethyl (Z)-3-(1,3-benzodioxol-5-yl)-2-phenylprop-2-enoate
CAS 5442-28-4C18H16O4
Bis(4-methylphenyl) (E)-but-2-enedioate
CAS 53164-47-9C18H16O4
![2-[(E)-1,2-Diphenylethenyl]butanedioic acid chemical structure, C18H16O4, CAS 67131-64-0](/s/SOYUNMRDYHREQN-PTNGSMBKSA-N.svg)
2-[(E)-1,2-Diphenylethenyl]butanedioic acid
CAS 67131-64-0C18H16O4
4H-1-Benzopyran-4-one, 2,3-dihydro-7-methoxy-3-((4-methoxyphenyl)methylene)-
CAS 5526-54-5C18H16O4
![1(3H)-Isobenzofuranone, 3-[2-(4-methoxy-3-methylphenyl)-2-oxoethyl]- chemical structure, C18H16O4, CAS 188716-73-6](/s/XBZSNDXWBSNZIG-UHFFFAOYSA-N.svg)
1(3H)-Isobenzofuranone, 3-[2-(4-methoxy-3-methylphenyl)-2-oxoethyl]-
CAS 188716-73-6C18H16O4
3-Phenyl-1-(2,4,5-trimethoxyphenyl)-2-propyn-1-one
CAS 878199-36-1C18H16O4
Benzaldehyde, 3,3'-(2-methylene-1,3-propanediyl)bis[2-hydroxy-
CAS 324541-89-1C18H16O4
Methyl 4-oxo-5,5-diphenyltetrahydrofuran-3-carboxylate
CAS 105401-19-2C18H16O4
Ethyl 7-benzoyl-2,3-dihydrobenzofuran-3-carboxylate
CAS 93670-35-0C18H16O4
tert-Butyl 9-oxo-9H-fluorene-2-carboperoxoate
CAS 94630-66-7C18H16O4
2,3-Bis(4-methylphenyl)but-2-enedioic acid
CAS 111064-98-3C18H16O4
7-((2-Methoxybenzyl)oxy)-2H-chromene-3-carbaldehyde
CAS 1228582-07-7C18H16O4
3-Phenyl-1-(2,3,4-trimethoxyphenyl)-2-propyn-1-one
CAS 1279087-54-5C18H16O4
![3-Cyclohexyl-6-phenylfuro[3,2-b]furan-2,5-dione chemical structure, C18H16O4, CAS 918413-55-5](/s/POQBUIMFWCPGHN-UHFFFAOYSA-N.svg)
3-Cyclohexyl-6-phenylfuro[3,2-b]furan-2,5-dione
CAS 918413-55-5C18H16O4
3-(2,4-Dimethoxyphenyl)-2-methyl-4H-1-benzopyran-4-one
CAS 89839-31-6C18H16O4
1-Naphthalenol, 5-methoxy-, benzoate
CAS 64725-89-9C18H16O4
![Methyl[3-(2-phenylethenyl)phenyl]propanedioic acid chemical structure, C18H16O4, CAS 63914-38-5](/s/DGJPDYFSAMKMCG-UHFFFAOYSA-N.svg)
Methyl[3-(2-phenylethenyl)phenyl]propanedioic acid
CAS 63914-38-5C18H16O4
![2-[3-(2-Methoxyphenyl)acryloyl]phenyl acetate chemical structure, C18H16O4, CAS 62536-67-8](/s/WXBYZOFUZLXVFA-UHFFFAOYSA-N.svg)
2-[3-(2-Methoxyphenyl)acryloyl]phenyl acetate
CAS 62536-67-8C18H16O4
![Ethyl 2-[3-(2-hydroxyphenyl)acryloyl]benzoate chemical structure, C18H16O4, CAS 60878-11-7](/s/FAJLYDPSWIARAD-UHFFFAOYSA-N.svg)
Ethyl 2-[3-(2-hydroxyphenyl)acryloyl]benzoate
CAS 60878-11-7C18H16O4
- 5,7-Dimethoxy-2-methyl-3-phenyl-4H-1-benzopyran-4-one82737-82-4C18H16O4
- 2-Propyn-1-yl 3-methoxy-4-(phenylmethoxy)benzoate1706440-43-8C18H16O4
- Methyl 4-(4-cyclopropanecarbonylphenoxy)benzoate2415603-82-4C18H16O4
- Antileishmanial agent-82477608-96-9C18H16O4
- 1-(2,3-Dihydro-6-hydroxy-7-methoxy-5-benzofuranyl)-3-phenyl-2-propen-1-one16023-88-4C18H16O4
- Methyl 2,3-dihydro-1-oxo-5-(phenylmethoxy)-1H-indene-2-carboxylate78326-89-3C18H16O4
- Cyclotetradeca-3,5,10,12-tetrayne-1,8-diyl diacetate110060-71-4C18H16O4
- 1,2,3,4-Chrysenetetrol, 1,2,3,4-tetrahydro-79356-06-2C18H16O4
- 1,2,3,4-Tetrahydrobenz(a)anthracene-1,2,3,4-tetrol86513-64-6C18H16O4
- Tricyclo[8.2.2.24,7]hexadeca-4,6,10,12,13,15-hexaene-5,11-dicarboxylic acid19978-03-1C18H16O4
- 10-[(1,4-Dioxan-2-yl)oxy]phenanthren-9-ol5025-33-2C18H16O4
- Diethyl biphenylene-2,6-dicarboxylate93103-53-8C18H16O4
- 8-Methoxy-3-(4-methoxyphenyl)-1-benzoxepin-5(2H)-one85475-72-5C18H16O4
- Methyl 2-[(2,6-dimethoxyphenyl)ethynyl]benzoate132338-41-1C18H16O4
- Dimethyl 1,4-dihydroanthracene-2,3-dicarboxylate56306-54-8C18H16O4
- 2-[(E)-1-Carboxy-1-phenylbut-1-en-2-yl]benzoic acid5041-51-0C18H16O4
- 2-[3-(1-Benzofuran-2-yl)phenoxy]-2-methylpropanoic acid65540-46-7C18H16O4
- (4-Methoxyphenyl)methyl 4-(3-hydroxyprop-1-yn-1-yl)benzoate62231-98-5C18H16O4
- (Z)-5-(3,5-Dimethoxystyryl)benzofuran-7-ol832128-20-8C18H16O4
- Methyl [2-(2-acetylbenzoyl)phenyl]acetate183995-80-4C18H16O4
- 1-Hydroxy-2-(propoxymethyl)anthracene-9,10-dione174568-53-7C18H16O4
- 3-[6-(Benzyloxy)-2H-1,3-benzodioxol-5-yl]but-3-en-2-one63790-58-9C18H16O4
- (4-Methoxyphenyl)methyl 2-(3-hydroxyprop-1-yn-1-yl)benzoate62232-01-3C18H16O4
- (4-Methoxyphenyl)methyl 3-(3-hydroxyprop-1-yn-1-yl)benzoate62232-00-2C18H16O4
- 1-(4-Methylphenyl)-1,3-dioxo-3-phenylpropan-2-yl acetate60615-30-7C18H16O4
- 1-(3-Methylphenyl)-1,3-dioxo-3-phenylpropan-2-yl acetate60615-29-4C18H16O4
- 8-Methoxy-3-(methoxymethyl)-2-methylphenanthrene-1,4-dione88208-86-0C18H16O4
- 3-[4-(4-Ethoxybenzoyl)phenyl]prop-2-enoic acid867183-82-2C18H16O4
- 4,8-Dihydroxy-3-(1-phenylpropyl)-2H-1-benzopyran-2-one55789-07-6C18H16O4
- Naphthalene-2,6-diylbis(methylene) diacrylate36431-62-6C18H16O4
- 3-Acetyl-3-methyl-7-phenoxy-3,4-dihydro-1H-2-benzopyran-1-one2137852-32-3C18H16O4
- (E)-Benzyl4-(2-methoxyphenyl)-2-oxobut-3-enoate1446211-49-9C18H16O4
- (E)-3-[(2R,3R)-2-(4-Hydroxyphenyl)-3-methyl-2,3-dihydro-1-benzofuran-5-yl]prop-2-enoic acidC18H16O4
- Methyl 2-(furan-2-carbonyl)-3-phenylbicyclo[1.1.1]pentane-1-carboxylate3101019-16-0C18H16O4
- (1S,2R,3S,4R)-1,2,3,4-Tetrahydrochrysene-1,2,3,4-tetrol77255-42-6C18H16O4
- (1S,2S,3S,4R)-1,2,3,4-Tetrahydrochrysene-1,2,3,4-tetrol77255-41-5C18H16O4
- (1R,2R,3S,4R)-1,2,3,4-Tetrahydrochrysene-1,2,3,4-tetrol77255-43-7C18H16O4
- (1R,2S,3R,4S)-1,2,3,4-Tetrahydrobenzo[a]anthracene-1,2,3,4-tetrol82050-47-3C18H16O4
- Benz(a)abthracene-1,2,3,4-tetrol, 1,2,3,4-tetrahydro-, (1S-(1alpha,2alpha,3alpha,4beta))-82050-48-4C18H16O4
- (1R,2S,3S,4S)-1,2,3,4-Tetrahydrobenzo(a)anthracene-1,2,3,4-tetrol86513-60-2C18H16O4
- (1R,2S,3S,4R)-1,2,3,4-Tetrahydrobenzo(a)anthracene-1,2,3,4-tetrol86513-61-3C18H16O4
- (1S,2R,3S,4S)-1,2,3,4-Tetrahydrobenzo(a)anthracene-1,2,3,4-tetrol86513-63-5C18H16O4
- Benzeneacetic acid, 2-(3-methoxy-1-oxo-3-phenyl-2-propen-1-yl)-104907-57-5C18H16O4
- 2-Methoxybenzyl 2H-chromene-3-carboxylate2425105-82-2C18H16O4
- (1R,2R,3R,4R)-3,4-Diphenylcyclobutane-1,2-dicarboxylic acid52305-38-1C18H16O4
- Thebaol-d3 acetate1216772-48-3C18H16O4
- 2H-1-Benzopyran-6-carboxylic acid,7-(phenylmethoxy)-,methyl ester84666-40-0C18H16O4
- 2-Phenoxyethyl 2H-chromene-3-carboxylate1626876-06-9C18H16O4
- Benz[a]anthracene-1r,2c,3t,4c-tetrahydro-1,2,3,4-tetrol105880-23-7C18H16O4
- Dimefline impurity 8101723-78-8C18H16O4
Frequently asked questions
What is the molar mass of C18H16O4?
The molar mass of C18H16O4 is 296.32 g/mol, calculated from standard atomic weights for 18 carbon atoms, 16 hydrogen atoms and 4 oxygen atoms. The monoisotopic mass is 299.1237 Da.
How many compounds have the formula C18H16O4?
CompoundList lists 274 compounds with the molecular formula C18H16O4, including Dimethyl 2,3-diphenylbut-2-enedioate, 7-Methoxy-4-(4-methoxyphenyl)-8-methyl-2H-chromen-2-one, 2-Propenoic acid, 3-(4-methoxyphenyl)-, 2-acetylphenyl ester. 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 C18H16O4?
C18H16O4 has a degree of unsaturation of 11. 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.