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 1 to 100 of 274 compounds
Truxillic acid
CAS 4462-95-7C18H16O4
3-(1-(3-Hydroxy-4-methoxyphenyl)-meth-(E)-ylidene)-6-methyl-chroman-4-one
CAS 1031206-36-6C18H16O4
7-(4-Methoxy-benzyloxy)-4-methyl-chromen-2-one
CAS 321973-52-8C18H16O4
Butantrone
CAS 75464-11-8C18H16O4
Bermoprofen
CAS 78499-27-1C18H16O4
Bis(phenacyl)acetic acid
CAS 77953-17-4C18H16O4
Danshenxinkun A
CAS 65907-75-7C18H16O4
7-Methoxy-3-(4-methoxyphenyl)-2-methyl-4H-chromen-4-one
CAS 70894-40-5C18H16O4
(E)-3-(2,3-Dihydro-1,4-benzodioxin-6-yl)-1-(2-hydroxy-4-methylphenyl)prop-2-en-1-one
CAS 96755-04-3C18H16O4
![2-Methyl-5-[(2-methylphenyl)methoxy]-1-benzofuran-3-carboxylic acid chemical structure, C18H16O4, CAS 307552-52-9](/s/SYSGXGXAOCWZNE-UHFFFAOYSA-N.svg)
2-Methyl-5-[(2-methylphenyl)methoxy]-1-benzofuran-3-carboxylic acid
CAS 307552-52-9C18H16O4
PD 099560
CAS 155758-74-0C18H16O4
![7-[(3-Methoxyphenyl)methoxy]-4-methylchromen-2-one chemical structure, C18H16O4, CAS 374765-38-5](/s/DHHZLWYEZDBACT-UHFFFAOYSA-N.svg)
7-[(3-Methoxyphenyl)methoxy]-4-methylchromen-2-one
CAS 374765-38-5C18H16O4
6-Ethyl-7-hydroxy-2-methyl-3-phenoxy-chromen-4-one
CAS 315232-62-3C18H16O4
Desmosflavone
CAS 14004-56-9C18H16O4
Obovatal
CAS 83864-77-1C18H16O4
![Methyl 4-[(1E)-3-(4-methoxyphenyl)-3-oxoprop-1-en-1-yl]benzoate chemical structure, C18H16O4, CAS 1164498-07-0](/s/OJZPJHGLUOUICM-LFYBBSHMSA-N.svg)
Methyl 4-[(1E)-3-(4-methoxyphenyl)-3-oxoprop-1-en-1-yl]benzoate
CAS 1164498-07-0C18H16O4
7-Ethoxy-2-methyl-3-phenoxy-4H-chromen-4-one
CAS 299950-52-0C18H16O4
7-Isopropoxy-3-phenoxy-4H-chromen-4-one
CAS 303095-15-0C18H16O4
Ethyl 5-methoxy-2-phenyl-1-benzofuran-3-carboxylate
CAS 101723-65-3C18H16O4
Dasytrichone
CAS 151655-69-5C18H16O4
4H-1-Benzopyran-4-one, 2,3-dihydro-3-((3,4-dimethoxyphenyl)methylene)-, (E)-
CAS 130688-86-7C18H16O4
![Methyl 4-[(E)-3-(3-methoxyphenyl)-3-oxoprop-1-enyl]benzoate chemical structure, C18H16O4, CAS 6028-42-8](/s/BAQCWSSXDGDRCE-DHZHZOJOSA-N.svg)
Methyl 4-[(E)-3-(3-methoxyphenyl)-3-oxoprop-1-enyl]benzoate
CAS 6028-42-8C18H16O4
Bis(2,3-dihydro-1-benzofuran-5-yl)acetic acid
CAS 886497-39-8C18H16O4
2-Ethoxyethyl 9-oxo-9H-fluorene-4-carboxylate
CAS 255714-04-6C18H16O4
- 7-Methoxy-3-(4-methoxyphenyl)-4-methylchromen-2-one5217-88-9C18H16O4
- 2-(4-Methoxyphenyl)-2-oxoethyl (2E)-3-phenylprop-2-enoate412944-99-1C18H16O4
- (2E)-3-(2,3-Dihydro-1,4-benzodioxin-6-yl)-1-(4-methoxyphenyl)-2-propen-1-one161839-81-2C18H16O4
- 9,10-Phenanthrenediol, 9,10-dihydro-, 9,10-diacetate, (9S,10S)-23299-68-5C18H16O4
- 3'-(3,4-Dimethoxyphenyl)-1-oxospiro(indan-2,2'-oxirane)54714-66-8C18H16O4
- 4-Ethyl-7-hydroxy-3-(p-methoxyphenyl)coumarin5219-17-0C18H16O4
- 3,6-Dimethoxyphenanthren-4-yl acetate47192-97-2C18H16O4
- (4,6-Dimethoxy-3-methyl-1-benzofuran-2-yl)(phenyl)methanone99246-63-6C18H16O4
- [2-(1,3-Benzodioxol-5-yl)cyclopropyl](4-methoxyphenyl)methanone338749-14-7C18H16O4
- Cinnamyl caffeate115610-32-7C18H16O4
- Demethoxyegonol53279-35-9C18H16O4
- 7-Acetoxy-4'-methoxyisoflav-3-ene10499-10-2C18H16O4
- Ethyl 4-hydroxy-3-methyl-6-phenyl-1-benzofuran-2-carboxylate60698-09-1C18H16O4
- 3,4-Dihydro-12-hydroxy-2,2-dimethyl-2H,6H-pyrano(3,2-b)xanthen-6-one1241391-92-3C18H16O4
- 4H-1-Benzopyran-4-one, 3-(4-hydroxyphenyl)-7-(1-methylethoxy)-97846-18-9C18H16O4
- 2-(3,4-Dimethoxyphenyl)-6-methylchromen-4-one4206-16-0C18H16O4
- Gymnoascolide C865092-04-2C18H16O4
- Gymnoascolide B865092-03-1C18H16O4
- 2-(4-Ethoxy-3-methoxyphenyl)-1H-indene-1,3(2H)-dione883805-79-6C18H16O4
- 6-Hydroxy-2-(2-(4'-methoxyphenyl)ethyl)chromone125092-36-6C18H16O4
- 7-Ethoxy-3-(4-methoxyphenyl)-2H-chromen-2-one263364-70-1C18H16O4
- Dimethylstrobochrysin109251-29-8C18H16O4
- 6-Methoxy-3-(4-methoxyphenyl)-4-methyl-2H-chromen-2-one263365-06-6C18H16O4
- 7-Ethoxy-3-(4-methoxyphenyl)-4H-chromen-4-one76260-67-8C18H16O4
- 2-Oxooxolan-3-yl 2,2-diphenylacetate453550-77-1C18H16O4
- 6-Ethyl-7-methoxy-3-phenoxy-4H-chromen-4-one315232-95-2C18H16O4
- 2-Ethyl-7-hydroxy-3-(2-methoxyphenyl)chromen-4-one323575-75-3C18H16O4
- 7-Hydroxy-3-(4-methoxyphenyl)-2,8-dimethylchromen-4-one433954-10-0C18H16O4
- (1E,4E)-1-(4-Hydroxy-3-methoxyphenyl)-5-(4-hydroxyphenyl)-1,4-pentadien-3-one148625-88-1C18H16O4
- (5-Methoxy-2-methyl-1-benzofuran-3-yl)-(4-methoxyphenyl)methanone107683-59-0C18H16O4
- 7-Methoxy-3-(2-methoxyphenyl)-2-methylchromen-4-one70387-00-7C18H16O4
- 4-Methyl-7-(2-phenoxyethoxy)-2H-chromen-2-one342778-68-1C18H16O4
- Ethyl 6,11-dihydro-11-oxodibenz[b,e]oxepin-2-acetate55453-90-2C18H16O4
- 7-Hydroxy-3-(4-methoxyphenyl)-4,8-dimethyl-2H-chromen-2-one890631-89-7C18H16O4
- 8,9,10,11-Tetrahydroxy-8,9,10,11-tetrahydrobenzanthracene53760-22-8C18H16O4
- Przewaquinone C96839-29-1C18H16O4
- Benzyl 2-((3-oxo-2,3-dihydro-1H-inden-5-yl)oxy)acetate1203082-57-8C18H16O4
- Methyl 5-(benzyloxy)-2-methyl-1-benzofuran-3-carboxylate300674-15-1C18H16O4
- 3-Phenoxy-7-propoxy-4H-chromen-4-one315233-31-9C18H16O4
- 1,4-Dimethoxy-2,3-dimethyl-9,10-anthraquinone67122-24-1C18H16O4
- Tanshinol B189290-30-0C18H16O4
- 2-Propenoic acid, 3-(3,4-dihydroxyphenyl)-, 3-phenyl-2-propenyl ester115610-79-2C18H16O4
- Dalosirvat1360540-81-3C18H16O4
- 8-Methoxy-3-[(2-methylallyl)oxy]-6H-benzo[c]chromen-6-one370583-77-0C18H16O4
- 6-(3,3-Dimethylallyl)-1,5-dihydroxyxanthone17623-60-8C18H16O4
- Methyl 4-[3-(4-methoxyphenyl)-3-oxoprop-1-enyl]benzoate357155-86-3C18H16O4
- O-Cinnamoyl beta-phenyllactate26467-18-5C18H16O4
- 3-(3,4-Dimethoxyphenyl)-4-methylcoumarin91787-20-1C18H16O4
- 4'-Hydroxyphenprocoumon55789-09-8C18H16O4
- 1 suppliersDimethyl 4,4'-stilbenedicarboxylate10374-80-8C18H16O4
- 10-Isobutyryl dithranol102768-28-5C18H16O4
- 1-Phenyl-1,2,3,4-tetrahydronaphthalene-1,4-dicarboxylic acid101723-82-4C18H16O4
- 6-Ethoxy-2-[(2-methoxyphenyl)methylidene]-1-benzofuran-3-one7048-16-0C18H16O4
- 7-Hydroxyphenprocoumon55789-04-3C18H16O4
- 6-Hydroxyphenprocoumon55789-05-4C18H16O4
- 1,8-Dihydroxy-2-(2-methylpropyl)anthracene-9,10-dione76643-51-1C18H16O4
- Isatropic acid, trans-(-)-510-26-9C18H16O4
- Ethyl 2-benzoyl-3-oxo-3-phenylpropionate4850-82-2C18H16O4
- Truxinic acid4482-52-4C18H16O4
- beta-Isatropic acid596-56-5C18H16O4
- Combretastatin D2126191-23-9C18H16O4
- 2-Methyl-5-[(4-methylphenyl)methoxy]-1-benzofuran-3-carboxylic acid314745-49-8C18H16O4
- Benzyl fumarate538-64-7C18H16O4
- Ethyl 6-(Benzyloxy)benzofuran-2-carboxylate110060-70-3C18H16O4
- 4-Methyl-3-(1-methyl-2-oxopropoxy)-6H-benzo[c]chromen-6-one314744-87-1C18H16O4
- Peniophorin A75217-61-7C18H16O4
- (Z)-6-(3,5-Dimethoxystyryl)benzofuran-4-ol832128-21-9C18H16O4
- 6-Ethoxy-3(4'-hydroxyphenyl)-4-methylcoumarin331821-45-5C18H16O4
- Ethyl 2,4-dioxo-4-(4-phenylphenyl)butanoate41350-17-8C18H16O4
- Phenol, 4,4'-(1,2-ethenediyl)bis-, 1,1'-diacetate63449-52-5C18H16O4
- 3-(2,3-Dihydro-1H-inden-5-yloxy)-3-oxo-2-phenylpropanoic acid27932-00-9C18H16O4
- 3,3-Bis(Hydroxymethyl)-2,3-dihydro-4H-chromen-4-one benzaldehyde acetal338755-65-0C18H16O4
- (Z)-6-Methoxy-2-(4-methoxybenzylidene)-7-methylbenzofuran-3(2H)-one859666-07-2C18H16O4
- 7-Hydroxy-3-(4-propyl-phenoxy)-chromen-4-one201284-84-6C18H16O4
- 2-[Bis(5-methylfuran-2-yl)methyl]benzoic acid352540-52-4C18H16O4
- Dibenzyl maleate622-06-0C18H16O4
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 Truxillic acid, 3-(1-(3-Hydroxy-4-methoxyphenyl)-meth-(E)-ylidene)-6-methyl-chroman-4-one, 7-(4-Methoxy-benzyloxy)-4-methyl-chromen-2-one. 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.