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 101 to 200 of 274 compounds
![4b,9b-Dihydroxy-7-isopropyl-4bH-indeno[1,2-b]benzofuran-10(9bH)-one chemical structure, C18H16O4, CAS 1416230-61-9](/s/MTLDSCJATRXZIU-UHFFFAOYSA-N.svg)
4b,9b-Dihydroxy-7-isopropyl-4bH-indeno[1,2-b]benzofuran-10(9bH)-one
CAS 1416230-61-9C18H16O4
1-(4-(Benzyloxy)-6-methoxybenzofuran-2-yl)ethanone
CAS 1476847-51-4C18H16O4
1-(4-Methoxyphenyl)-5-phenyl-1,3,5-pentanetrione
CAS 1678-17-7C18H16O4
![7-[(2-Methoxybenzyl)oxy]-4-methyl-2H-chromen-2-one chemical structure, C18H16O4, CAS 374764-72-4](/s/BKALWXYATRQDCO-UHFFFAOYSA-N.svg)
7-[(2-Methoxybenzyl)oxy]-4-methyl-2H-chromen-2-one
CAS 374764-72-4C18H16O4
1H-Indene-1,3(2H)-dione, 2-hydroxy-2-(2-hydroxy-4-(1-methylethyl)phenyl)-
CAS 71313-32-1C18H16O4
4H-1-Benzopyran-4-one, 6-ethyl-7-hydroxy-3-(4-methoxyphenyl)-
CAS 129415-01-6C18H16O4
(2E)-3-(2H-1,3-Benzodioxol-5-yl)-1-(4-ethoxyphenyl)prop-2-en-1-one
CAS 1689543-96-1C18H16O4
Dimethyl cis-stilbene-4,4'-dicarboxylate
CAS 143130-82-9C18H16O4
1,4-Diethoxyanthracene-9,10-dione
CAS 75829-97-9C18H16O4
(Z)-6-((2-Methylallyl)oxy)-2-((5-methylfuran-2-yl)methylene)benzofuran-3(2H)-one
CAS 620547-41-3C18H16O4
(Z)-2-(Furan-2-ylmethylene)-6-((3-methylbut-2-en-1-yl)oxy)benzofuran-3(2H)-one
CAS 622807-04-9C18H16O4
(Z)-6-Ethoxy-2-(4-methoxybenzylidene)benzofuran-3(2H)-one
CAS 859137-01-2C18H16O4
(Z)-2-(Furan-2-ylmethylene)-7-methyl-6-((2-methylallyl)oxy)benzofuran-3(2H)-one
CAS 859134-01-3C18H16O4
(Z)-6-Ethoxy-2-(3-methoxybenzylidene)benzofuran-3(2H)-one
CAS 858759-05-4C18H16O4
1,3-Indandione, 2-hydroxy-2-(2-hydroxy-5-isopropylphenyl)-
CAS 71313-33-2C18H16O4
1,1'-(2,7-Naphthalenediyl) bis(2-methyl-2-propenoate)
CAS 42980-04-1C18H16O4
1,5-Diethoxyanthracene-9,10-dione
CAS 22924-22-7C18H16O4
![4H-1-Benzopyran-4-one, 3-[(3,4-dimethoxyphenyl)methyl]- chemical structure, C18H16O4, CAS 89367-09-9](/s/WHMBWOUGVNZHCX-UHFFFAOYSA-N.svg)
4H-1-Benzopyran-4-one, 3-[(3,4-dimethoxyphenyl)methyl]-
CAS 89367-09-9C18H16O4
3-(4-Ethoxyphenyl)-8-methoxychromen-2-one
CAS 695220-07-6C18H16O4
D-Isatropic acid
CAS 6556-37-2C18H16O4
1-(2,3-Dihydro-1,4-benzodioxin-6-yl)-3-(2-methoxyphenyl)-2-propen-1-one
CAS 331727-33-4C18H16O4
7-Hydroxy-3-(4-isopropyl-phenoxy)-chromen-4-one
CAS 433700-41-5C18H16O4
![(2Z)-6-Ethoxy-2-[(2-methoxyphenyl)methylidene]-2,3-dihydro-1-benzofuran-3-one chemical structure, C18H16O4, CAS 623117-31-7](/s/XTMODEYGCSZTKP-YVLHZVERSA-N.svg)
(2Z)-6-Ethoxy-2-[(2-methoxyphenyl)methylidene]-2,3-dihydro-1-benzofuran-3-one
CAS 623117-31-7C18H16O4
4H-1-Benzopyran-4-one, 2,3-dihydro-6-methoxy-3-((4-methoxyphenyl)methylene)-, (E)-
CAS 130688-88-9C18H16O4
- Ethyl 6-methoxy-3-phenylbenzofuran-2-carboxylate58468-42-1C18H16O4
- Methyl 2-(5,6-dimethyl-9-oxo-9H-xanthen-4-yl)acetate1035912-44-7C18H16O4
- 2-(1,2,3,4-Tetrahydronaphthalen-1-yloxycarbonyl)benzoic acid6938-57-4C18H16O4
- Ethyl (3-oxo-1-phenyl-1,3-dihydro-2-benzofuran-1-yl)acetate6158-57-2C18H16O4
- 4-Methoxybenzyl 2H-chromene-3-carboxylate338419-77-5C18H16O4
- 1,3-Indandione, 2-hydroxy-2-(4-hydroxy-2,3,5-trimethylphenyl)-71313-23-0C18H16O4
- 1H-Indene-1,3(2H)-dione, 2-hydroxy-2-(2-hydroxy-3-(1-methylethyl)phenyl)-71313-31-0C18H16O4
- (2E)-1,4-Bis(4-methoxyphenyl)but-2-ene-1,4-dione15331-49-4C18H16O4
- 4H-1-Benzopyran-4-one, 2,3-dihydro-6-methoxy-3-((2-methoxyphenyl)methylene)-, (E)-130688-87-8C18H16O4
- 3,6-Dibenzyl-1,4-dioxane-2,5-dione136532-18-8C18H16O4
- 5,6,11,12-Tetrahydrodibenzo[a,e][8]annulene-2,9-dicarboxylic Acid2170730-09-1C18H16O4
- (1R,2S,3R,4S)-1,2,3,4-Tetrahydrochrysene-1,2,3,4-tetrol127592-29-4C18H16O4
- 9,10-Dihydroanthracene-9,10-diyl diacetate6938-79-0C18H16O4
- 4-(2,5-Dimethoxyphenyl)-4-hydroxynaphthalen-1(4H)-one84159-86-4C18H16O4
- 5,8-Dimethoxy-2,3-dimethylanthracene-1,4-dione74962-85-9C18H16O4
- 1,8-Diethoxyanthracene-9,10-dione16294-26-1C18H16O4
- 2-(2,4-Dimethoxyphenyl)-6-methylchromen-4-one497089-62-0C18H16O4
- 3-Hydroxy-2,4-bis(4-methoxyphenyl)cyclobut-2-en-1-one4683-21-0C18H16O4
- 1H-Indene-1,3(2H)-dione, 2-hydroxy-2-(2-hydroxy-3,5,6-trimethylphenyl)-71313-21-8C18H16O4
- 1H-Indene-1,3(2H)-dione, 2-hydroxy-2-(2-hydroxy-3,4,6-trimethylphenyl)-71313-22-9C18H16O4
- 5-Benzofuranacetic acid, 2,3-dihydro-alpha-methyl-2-oxo-3-phenyl-, methyl ester77143-64-7C18H16O4
- 7-Hydroxy-3-(2,3,5-trimethylphenoxy)chromen-4-one853738-04-2C18H16O4
- Methyl 2-[(E)-2-(2-methoxycarbonylphenyl)ethenyl]benzoate56526-10-4C18H16O4
- (1R,2S,3R,4S)-3,4-Diphenylcyclobutane-1,2-dicarboxylic acid528-34-7C18H16O4
- 1-Methyl 2-(diphenylmethylene)butanedioate23242-84-4C18H16O4
- 1,2-Diethoxyanthracene-9,10-dione83584-93-4C18H16O4
- 1,2-Dihydro-1,2-phenanthrenediol diacetate, trans-60890-34-8C18H16O4
- 1,2,3,4,15,16-Hexahydro-3,4-dihydroxy-11-methyl-1,2-epoxy-17H-cyclopenta(a)phenanthren-17-one (1alpha,2alpha,3beta,4alpha)-72007-70-6C18H16O4
- 1 suppliersDibenzyl but-2-enedioate62-26-0C18H16O4
- 1,3-Diethoxyanthracene-9,10-dione7146-02-3C18H16O4
- Ethyl 2-oxo-2-(1-oxo-3,4-dihydro-2H-phenanthren-2-yl)acetate16992-94-2C18H16O4
- Methyl 2,3-dimethoxyphenanthrene-9-carboxylate35675-93-5C18H16O4
- 2-{[(1,2,3,4-Tetrahydronaphthalen-2-yl)oxy]carbonyl}benzoic acid7461-08-7C18H16O4
- 2-(5-Oxo-2,2-diphenyloxolan-3-yl)acetic acid7496-07-3C18H16O4
- Benzyl 8-methoxy-2H-chromene-3-carboxylate338420-69-2C18H16O4
- (E)-4-(3-(4-Ethoxyphenyl)-3-oxoprop-1-en-1-yl)benzoic acid2651958-57-3C18H16O4
- (2-Acetyloxy-1,2-diphenylethenyl) acetate6316-81-0C18H16O4
- 1-Phenanthreneaceticacid, 3,4-dimethoxy-118853-46-6C18H16O4
- 4,8-Dihydroxy-1-(3-methylbut-2-enyl)xanthen-9-one17623-64-2C18H16O4
- 3,4-Dimethoxy-6-methylphenanthrene-9-carboxylic acid88695-93-6C18H16O4
- Diallyl naphthalene-2,3-dicarboxylate52640-63-8C18H16O4
- 2 suppliers2-(4-Benzoylphenoxy)ethyl prop-2-enoate22421-66-5C18H16O4
- 2-Benzoyl-5,7-dimethoxy-3-methylbenzofuran1274892-43-1C18H16O4
- Ethyl 4-oxo-4-(4-phenoxyphenyl)but-2-enoate88113-04-6C18H16O4
- Ethyl 5-(benzyloxy)benzofuran-2-carboxylate853599-45-8C18H16O4
- 7-(3-Carboxypropyl)-9H-fluorene-4-carboxylic acid917615-45-3C18H16O4
- (8R,9S,10R,11S)-rel-8,9,10,11-Tetrahydrobenz[a]anthracene-8,9,10,11-tetrol78185-86-1C18H16O4
- 1-Benzyl 4-methyl cubane-1,4-dicarboxylate2803477-30-5C18H16O4
- 3,4-Phenanthrenediol, 3,4-dihydro-, diacetate, trans-61009-15-2C18H16O4
- Benz(a)abthracene-3,4,8,9-tetrol, 3,4,8,9-tetrahydro-, (3R-(3alpha,4beta,8alpha,9beta))-82050-46-2C18H16O4
- [9-(Acetyloxy)-9H-fluoren-4-yl]methyl acetate7071-87-6C18H16O4
- (4,7-Dimethyl-3-oxo-1-phenyl-1,3-dihydro-2-benzofuran-1-yl)acetic acid24766-48-1C18H16O4
- 6,11-Dihydroxy-1,2,3,4,4a,12a-hexahydrotetracene-5,12-dione58976-95-7C18H16O4
- 3-Benzyl-2-oxo-5-phenyloxolane-3-carboxylic acid7463-99-2C18H16O4
- 2-Butyl-1,4-dihydroxyanthracene-9,10-dione23861-69-0C18H16O4
- 2-Propen-1-one, 1-[2-(acetyloxy)-4-methoxyphenyl]-3-phenyl-62536-69-0C18H16O4
- 2-Propen-1-one, 1-[2-(acetyloxy)phenyl]-3-(4-methoxyphenyl)-62536-68-9C18H16O4
- Benzaldehyde, 2,2'-[(2-methylene-1,3-propanediyl)bis(oxy)]bis-324541-88-0C18H16O4
- 9,10-Anthracenedione, 1-hydroxy-3-methyl-8-(1-methylethoxy)-919114-36-6C18H16O4
- 3-[(2,4-Dimethoxyphenyl)methyl]-4H-1-benzopyran-4-one71972-58-2C18H16O4
- 4-(5-Methylfuran-2-yl)-3-(3-oxobutyl)-1H-2-benzopyran-1-one917571-21-2C18H16O4
- 1-{7-[(4-Methoxyphenyl)methoxy]-1-benzofuran-2-yl}ethan-1-one105627-57-4C18H16O4
- Cyclopropanecarboxylic acid, 2,7-naphthalenediyl ester61894-12-0C18H16O4
- (1S,2S,3S,4S)-3,4-Diphenylcyclobutane-1,2-dicarboxylic acid528-35-8C18H16O4
- Naphthalene-2,6-diyl bis(2-methylacrylate)151705-85-0C18H16O4
- Benzyl 4-[(2-methylacryloyl)oxy]benzoate630426-23-2C18H16O4
- (R)-Methyl 3-(7-methyl-4-oxochroman-2-yl)benzoate1918144-61-2C18H16O4
- (R)-Methyl 3-(6-methyl-4-oxochroman-2-yl)benzoate1918144-57-6C18H16O4
- Prop-2-enyl 2-[(3-formylphenoxy)methyl]benzoate2411235-40-8C18H16O4
- 3-[[(5,6,7,8-Tetrahydro-5-oxo-1-naphthalenyl)oxy]methyl]benzoic acid2492595-48-7C18H16O4
- Benz(a)anthracene-1,2,3,4-tetrol, 1,2,3,4-tetrahydro-78326-53-1C18H16O4
- (1R,2S,3R,4R)-1,2,3,4-Tetrahydrobenzo(a)anthracene-1,2,3,4-tetrol86513-59-9C18H16O4
- (1S,2R,3R,4R)-1,2,3,4-Tetrahydrobenzo(a)anthracene-1,2,3,4-tetrol86513-62-4C18H16O4
- (1R,2S,3S,4R)-1,2,3,4-Tetrahydrochrysene-1,2,3,4-tetrol77208-18-5C18H16O4
- (1S,2R,3R,4S)-1,2,3,4-Tetrahydrobenzo(a)anthracene-1,2,3,4-tetrol86513-57-7C18H16O4
- 1,2,15-Trihydroxy-11-methylgona-3,5(10),6,8,11,13-hexaen-17-one73529-18-7C18H16O4
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 4b,9b-Dihydroxy-7-isopropyl-4bH-indeno[1,2-b]benzofuran-10(9bH)-one, 1-(4-(Benzyloxy)-6-methoxybenzofuran-2-yl)ethanone, 1-(4-Methoxyphenyl)-5-phenyl-1,3,5-pentanetrione. 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.