Molecular formula
C18H16O3
175 compounds have this formula on CompoundList.
- Molar mass
- 280.32g/mol
- Monoisotopic mass
- 285.1413Da
- Atoms
- 37
- Elements
- 3
- Rings plus double bonds
- 11
The formula C18H16O3 describes a molecule made of 18 carbon atoms, 16 hydrogen atoms and 3 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 × 1877.12%12.011 × 18 = 216.198 g/mol
- H Hydrogen × 165.75%1.008 × 16 = 16.128 g/mol
- O Oxygen × 317.12%15.999 × 3 = 47.997 g/mol
Look up another formula
Compounds with the formula C18H16O3
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 101 to 175 of 175 compounds
![1-Methyl-7,7-diphenyl-2,6-dioxabicyclo[3.2.0]heptan-3-one chemical structure, C18H16O3, CAS 85623-58-1](/s/FILJHWYKRMBMFZ-UHFFFAOYSA-N.svg)
1-Methyl-7,7-diphenyl-2,6-dioxabicyclo[3.2.0]heptan-3-one
CAS 85623-58-1C18H16O3
4H-1-Benzopyran-4-one, 2-(3-methoxyphenyl)-6,8-dimethyl-
CAS 88952-90-3C18H16O3
4H-1-Benzopyran-4-one, 2-(4-methoxyphenyl)-6,8-dimethyl-
CAS 88952-91-4C18H16O3
Acetic acid, (1-anthracenyloxy)-, ethyl ester
CAS 652173-25-6C18H16O3
Ethyl 7-acetyl-9H-fluorene-2-carboxylate
CAS 63715-83-3C18H16O3
2-(3-Methoxyphenyl)-6,7-dimethyl-4H-chromen-4-one
CAS 88952-95-8C18H16O3
Methylenedihydrotanshinquinone
C18H16O3
I+/--(1-Naphthalenylmethyl)-2-furanpropanoic acid
CAS 25379-27-5C18H16O3
![1-[5-(Benzyloxy)-3-methyl-1-benzofuran-2-yl]ethanone chemical structure, C18H16O3, CAS 24668-11-9](/s/VPOJRXMWSVOQGI-UHFFFAOYSA-N.svg)
1-[5-(Benzyloxy)-3-methyl-1-benzofuran-2-yl]ethanone
CAS 24668-11-9C18H16O3
2-Hydroxy-6-(4-phenyl-buta-1,3-dienyl)-benzoic acid methyl ester
CAS 365542-25-2C18H16O3
4-Hydroxy-3-(2-phenylpropyl)-2H-1-benzopyran-2-one
CAS 101723-37-9C18H16O3
6-(2,6-Dimethoxyphenyl)-2-naphthol
CAS 623146-10-1C18H16O3
7-(Benzyloxy)-4-methyl-2H-chromene-3-carbaldehyde
CAS 1228581-16-5C18H16O3
(3R)-3-(2-Oxopropyl)-3-phenyl-2,3-dihydro-4H-1-benzopyran-4-one
CAS 740816-24-4C18H16O3
2,5-Bis(2-methoxyphenyl)furan
CAS 875153-16-5C18H16O3
2-(1-Hydroxyethyl)-5-methyl-3-phenyl-4H-1-benzopyran-4-one
CAS 1408089-54-2C18H16O3
Methyl 1-(3-benzoylphenyl)cyclopropane-1-carboxylate
CAS 1393566-67-0C18H16O3
Prop-2-yn-1-yl 4-((4-methylbenzyl)oxy)benzoate
CAS 1706450-00-1C18H16O3
![Benz[a]anthracene-8,9,10-triol, 8,9,10,11-tetrahydro- chemical structure, C18H16O3, CAS 89458-22-0](/s/PJLYABOZZKPPFO-UHFFFAOYSA-N.svg)
Benz[a]anthracene-8,9,10-triol, 8,9,10,11-tetrahydro-
CAS 89458-22-0C18H16O3
1,2,3-Chrysenetriol, 1,2,3,4-tetrahydro-
CAS 84498-37-3C18H16O3
1-Naphthalenol, 1,2,3,4-tetrahydro-2-(1,3-benzodioxol-5-ylmethylene)-
CAS 69920-49-6C18H16O3
3,4-Bis(benzyloxy)furan
CAS 53996-40-0C18H16O3
(2E)-3-(2H-1,3-Benzodioxol-5-yl)-1-(3,4-dimethylphenyl)prop-2-en-1-one
CAS 70690-52-7C18H16O3
2,3-Dihydro-1-(2-oxo-2-phenylethyl)-1H-indene-1-carboxylic acid
CAS 72735-52-5C18H16O3
- 1-(4-Methoxybenzoyl)-3,4-dihydronaphthalen-2(1H)-one63619-81-8C18H16O3
- 2-(2-Methoxyphenyl)-6,7-dimethyl-4H-chromen-4-one88952-94-7C18H16O3
- 3-(Ethoxymethyl)-2-phenyl-4H-1-benzopyran-4-one93367-44-3C18H16O3
- 2-Ethoxy-2,4-diphenylfuran-3(2H)-one54585-25-0C18H16O3
- Phenyl(2-phenyl-4,5-dihydro-2H-1,3-dioxepin-2-yl)methanone89311-77-3C18H16O3
- 7-Methoxy-4-(4-methoxyphenyl)naphthalen-1-ol114412-50-9C18H16O3
- Ethyl 4-[2-(4-formylphenyl)ethenyl]benzoate79026-05-4C18H16O3
- Ethyl 3-(3-benzoylphenyl)prop-2-enoate96251-93-3C18H16O3
- 4-[(4-Methoxyphenyl)methylidene]-3,4-dihydro-1-benzoxepin-5(2H)-one62625-87-0C18H16O3
- (3-Hydroxyphenyl)[4-(4-pentyn-1-yloxy)phenyl]methanone1402004-83-4C18H16O3
- 2-Propyn-1-yl 4-[(2-methylphenyl)methoxy]benzoate1706433-49-9C18H16O3
- Furan-2-yl(3-methyl-4-phenoxyphenyl)methanol944526-91-4C18H16O3
- Methyl 2-((3-methoxyphenyl)ethynyl)-6-methylbenzoate2407432-75-9C18H16O3
- (2-Ethylbenzofuran-3-yl-4,5,6,7-d4)(4-methoxyphenyl)methanone2433739-10-5C18H16O3
- 3-[2-(1-Naphthalenyl)-2-oxoethoxy]-2-cyclohexen-1-one13686-52-7C18H16O3
- Methyl 4-(3-hydroxy-3-phenyl-1-butyn-1-yl)benzoate1799902-25-2C18H16O3
- (E)-1-[4-(Oxiran-2-ylmethoxy)phenyl]-3-phenylprop-2-en-1-one19152-48-8C18H16O3
- Benzbromarone impurity 24342415-01-4C18H16O3
- 2-[3-(4-Hydroxyphenyl)propyl]-1H-indene-1,3(2H)-dione113378-80-6C18H16O3
- Ethyl (2-phenyl-1-benzofuran-5-yl)acetate121045-43-0C18H16O3
- Benzeneacetic acid,4-(3-benzo[b]furanyl)-,ethyl ester63363-01-9C18H16O3
- 2-(Propoxymethyl)anthracene-9,10-dione93875-63-9C18H16O3
- 2,4-Dimethylphenyl 2H-chromene-3-carboxylate1014290-35-7C18H16O3
- 4-[5-(4-Methoxyphenoxy)pent-3-en-1-yn-1-yl]phenol166762-97-6C18H16O3
- 1-[7-(Benzyloxy)-2H-chromen-3-yl]ethan-1-one2137574-38-8C18H16O3
- 2-Oxo-5-phenylpent-4-en-1-yl benzoate97856-52-5C18H16O3
- 5-(4-Hydroxy-3-methoxyphenyl)-1-phenylpenta-2,4-dien-1-one144425-98-9C18H16O3
- 3-Benzyl-4-hydroxy-6-phenyl-5,6-dihydro-2H-pyran-2-one664335-22-2C18H16O3
- Phenyl (2-methyl-1-oxo-2,3-dihydro-1H-inden-2-yl)acetate651715-71-8C18H16O3
- 1-Hydroxy-5-(4-methoxyphenyl)-1-phenylpenta-1,4-dien-3-one61859-09-4C18H16O3
- Acetic acid--4-phenylnaphthalen-1-ol (1/1)78250-37-0C18H16O3
- Methyl 4-(1-hydroxy-4-phenylbut-3-yn-1-yl)benzoate823175-16-2C18H16O3
- Methyl 4-(1-hydroxy-4-phenylbut-3-yn-2-yl)benzoate823175-11-7C18H16O3
- 2-Oxo-1,2-diphenylethyl but-2-enoate929039-38-3C18H16O3
- 1-Hydroxy-4-(3-phenyl-1-benzofuran-7-yl)butan-2-one59132-64-8C18H16O3
- 3-Benzoyl-3-benzyloxolan-2-one58688-32-7C18H16O3
- 1 suppliers4-Acetyl-4'-carbomethoxystilbene1900667-29-9C18H16O3
- Ethyl (2R)-2-(9-anthryl)-2-hydroxy-acetate167354-18-9C18H16O3
- Ethyl (2S)-2-(9-anthryl)-2-hydroxy-acetate270258-63-4C18H16O3
- 2-(2-Methoxy-4,6-dimethylphenyl)-1H-indene-1,3(2H)-dione51926-67-1C18H16O3
- 2-(4-Propoxyphenyl)-1H-indene-1,3(2H)-dione27533-98-8C18H16O3
- 2-(4-Isopropoxyphenyl)-1H-indene-1,3(2H)-dione107683-49-8C18H16O3
- rac-Benzyl (1R,2R)-2-(4-formylphenyl)cyclopropane-1-carboxylate2241141-17-1C18H16O3
- Methyl 2-(4-(benzyloxy)-3-ethynylphenyl)acetate3078355-20-8C18H16O3
- Methyl 2-(6-oxo-5,6,7,8-tetrahydronaphthalen-2-yl)benzoate3078399-04-6C18H16O3
- Methyl 4-((2-methylbenzofuran-3-yl)methyl)benzoate503172-27-8C18H16O3
- 2,6-Dimethylphenyl 2H-chromene-3-carboxylate2422499-43-0C18H16O3
- 3,4-Dimethylphenyl 2H-chromene-3-carboxylate2422499-39-4C18H16O3
- (1S)-1-Methyl-6-methylidene-2,7,8,9-tetrahydro-1H-naphtho[1,2-g][1]benzofuran-10,11-dioneC18H16O3
- 1-[4-(Oxiran-2-ylmethoxy)phenyl]-3-phenylprop-2-en-1-oneC18H16O3
- 4-[(E)-5-(4-Methoxyphenoxy)pent-3-en-1-ynyl]phenolC18H16O3
Frequently asked questions
What is the molar mass of C18H16O3?
The molar mass of C18H16O3 is 280.32 g/mol, calculated from standard atomic weights for 18 carbon atoms, 16 hydrogen atoms and 3 oxygen atoms. The monoisotopic mass is 285.1413 Da.
How many compounds have the formula C18H16O3?
CompoundList lists 175 compounds with the molecular formula C18H16O3, including 1-Methyl-7,7-diphenyl-2,6-dioxabicyclo[3.2.0]heptan-3-one, 4H-1-Benzopyran-4-one, 2-(3-methoxyphenyl)-6,8-dimethyl-, 4H-1-Benzopyran-4-one, 2-(4-methoxyphenyl)-6,8-dimethyl-. 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 C18H16O3?
C18H16O3 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.