Molecular formula
C18H16O2
215 compounds have this formula on CompoundList.
- Molar mass
- 264.32g/mol
- Monoisotopic mass
- 264.1150Da
- Atoms
- 36
- Elements
- 3
- Rings plus double bonds
- 11
The formula C18H16O2 describes a molecule made of 18 carbon atoms, 16 hydrogen atoms and 2 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 × 1881.79%12.011 × 18 = 216.198 g/mol
- H Hydrogen × 166.10%1.008 × 16 = 16.128 g/mol
- O Oxygen × 212.11%15.999 × 2 = 31.998 g/mol
Look up another formula
Compounds with the formula C18H16O2
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 100 of 215 compounds
Tug-424
CAS 1082058-99-8C18H16O2
Cinnamyl cinnamate
CAS 122-69-0C18H16O2
2-tert-Butylanthraquinone
CAS 84-47-9C18H16O2
4'-Isopropylflavone
CAS 92831-11-3C18H16O2
2-(4-Methoxybenzylidene)-1-tetralone
CAS 59120-87-5C18H16O2
Eupomatenoid 6
CAS 41744-26-7C18H16O2
![3,4-Dihydro-2-[(3-methoxyphenyl)methylene]-1(2H)-naphthalenone chemical structure, C18H16O2, CAS 68434-54-8](/s/BFLYDBJQMZPJGI-RVDMUPIBSA-N.svg)
3,4-Dihydro-2-[(3-methoxyphenyl)methylene]-1(2H)-naphthalenone
CAS 68434-54-8C18H16O2
(E)-1,4-Bis(4-methylphenyl)-2-butene-1,4-dione
CAS 5465-41-8C18H16O2
3-(2-Hydroxyphenyl)-5-phenylcyclohex-2-enone
CAS 15156-56-6C18H16O2
4-(3-Phenanthryl)butanoic acid
CAS 13728-56-8C18H16O2
4-(2-Anthryl)butanoic acid
CAS 73693-25-1C18H16O2
4-(3-Phenyl-1-benzofuran-2-yl)butan-2-one
CAS 256450-31-4C18H16O2
3,4,5,6-Tetramethylphenanthrene-9,10-dione
CAS 17825-40-0C18H16O2
15-Methyltetracyclo(6.6.2.0^(2,7).0^(9,14))hexadeca-2,4,6,9,11,13-hexaene-15-carboxylic acid
CAS 13294-87-6C18H16O2
2-Isopropyl-8-methylphenanthrene-3,4-dione
CAS 87112-49-0C18H16O2
Methyl 4-styrylcinnamate
CAS 93875-39-9C18H16O2
(Z)-1,4-Bis(4-methylphenyl)but-2-ene-1,4-dione
CAS 42289-03-2C18H16O2
Dehydrojuncusol
CAS 117824-04-1C18H16O2
9,10-Dihydro-9,10-ethanoanthracene-11-carboxylic acid methyl ester
CAS 13294-86-5C18H16O2
Dehydrojuncuenin B
CAS 1161681-28-2C18H16O2
3-(10-Methyl-9-anthryl)propanoic acid
CAS 109250-95-5C18H16O2
Methyl 4-(4-phenyl-1,3-butadien-1-yl)benzoate
CAS 101723-02-8C18H16O2
Dihydroxerulin
CAS 132971-60-9C18H16O2
2-Phenyl-6-(propan-2-yl)-4H-1-benzopyran-4-one
CAS 288401-05-8C18H16O2
- 2-Benzylidene-7-methoxytetralin-1-one1389339-37-0C18H16O2
- 2-Benzylidene-6-methoxy-3,4-dihydro-1(2H)-naphthalenone42019-96-5C18H16O2
- 5,6,11,12-Tetrahydrochrysene-2,8-diol138090-17-2C18H16O2
- 4H-1-Benzopyran-4-one, 6,8-dimethyl-2-(4-methylphenyl)-88952-93-6C18H16O2
- 2-Phenacyl-1-tetralone54669-72-6C18H16O2
- 2-(4-Isopropylphenyl)-1H-indene-1,3(2H)-dione55994-21-3C18H16O2
- 1H-Indene-1,3(2H)-dione, 2-(2,4,6-trimethylphenyl)-15433-03-1C18H16O2
- 2-Benzyl-4-methoxynaphthalen-1-ol68707-63-1C18H16O2
- (4-Benzyloxy-naphthalen-2-yl)-methanol188863-65-2C18H16O2
- (3-(6-Methoxynaphthalen-2-yl)phenyl)methanol1007347-58-1C18H16O2
- 1-Naphthalenol, 6-(4-methoxy-2-methylphenyl)-1340482-05-4C18H16O2
- (4-(6-Methoxynaphthalen-2-yl)phenyl)methanol1365969-88-5C18H16O2
- Retenequinone5398-75-4C18H16O2
- 1,3-Diphenyl-2-prop-2-enylpropane-1,3-dione59875-97-7C18H16O2
- Ethyl 2,3-diphenylcycloprop-2-ene-1-carboxylate7382-06-1C18H16O2
- 1-(2,5-Dimethoxybenzylidene)-1H-indene2428-42-4C18H16O2
- 1,4-Diphenyl-2,3-dioxabicyclo[2.2.2]oct-5-ene91925-45-0C18H16O2
- 3-([1,1'-Biphenyl]-4-yl)cyclopent-1-ene-1-carboxylic acid2138813-78-0C18H16O2
- 9,10-Anthracenedione, 2,3,6,7-tetramethyl-15247-68-4C18H16O2
- 1,3,5,7-Tetramethylanthracene-9,10-dione6332-05-4C18H16O2
- (2Z)-2-[(4-Methoxyphenyl)methylidene]-1,2,3,4-tetrahydronaphthalen-1-one59082-39-2C18H16O2
- 2-Methoxy-6-(4-methoxyphenyl)naphthalene59115-47-8C18H16O2
- 1-(2-Oxo-2-phenyl-ethyl)-3,4-dihydro-1H-naphthalen-2-one57859-83-3C18H16O2
- Diphenylmethyl pent-4-ynoate651733-38-9C18H16O2
- 9-Anthracenemethanol, 10-methyl-, acetate31688-71-8C18H16O2
- (1R,2R)-1,2,3,4-Tetrahydrochrysene-1,2-diol67175-75-1C18H16O2
- Propanoic acid, 3-(10,11-dihydro-5H-dibenzo(a,d)cyclohepten-5-ylidene)-40443-03-6C18H16O2
- 2-Butylanthracene-9,10-dione7504-51-0C18H16O2
- (9H-Fluoren-9-yl)methyl 2-methylprop-2-enoate106120-02-9C18H16O2
- 1-tert-Butylanthracene-9,10-dione37808-19-8C18H16O2
- 9-Anthrylmethyl glycidyl ether87607-33-8C18H16O2
- Methyl 3-phenanthren-9-ylpropanoate5328-28-9C18H16O2
- 1,4,5,8-Tetramethylanthracene-9,10-dione17538-63-5C18H16O2
- 1H-Indene-1,3(2H)-dione, 2-(trimethylphenyl)-60338-38-7C18H16O2
- 1,4-Pentadien-3-one, 1-(4-methoxyphenyl)-5-phenyl-, (E,E)-115846-97-4C18H16O2
- (2-(Benzyloxy)naphthalen-1-yl)methanol217176-35-7C18H16O2
- Ethyl 4-(2-(4-methylphenyl)ethynyl)benzoate63164-97-6C18H16O2
- 5-Biphenyl-4-ylcyclohexane-1,3-dione101723-10-8C18H16O2
- Benz(a)anthracene-3,4-diol, 1,2,3,4-tetrahydro-, trans-60968-10-7C18H16O2
- Ethyl spiro[cyclopropane-1,9'-fluorene]-2-carboxylate21328-27-8C18H16O2
- 6-(4-Methylphenyl)-6-phenyl-2,7-dioxabicyclo[3.2.0]hept-3-ene91548-48-0C18H16O2
- (5Z)-5,11-Dihydro-5-(3-hydroxypropylidene)-10H-dibenzo[a,d]cyclohepten-10-one156458-89-8C18H16O2
- 1-(2,6-Dimethoxyphenyl)naphthalene173300-93-1C18H16O2
- [6-(Benzyloxy)naphthalen-2-yl]methanol536974-71-7C18H16O2
- 2-(2-Methylpropyl)anthracene-9,10-dione10493-47-7C18H16O2
- (6-Methoxynaphthalen-2-yl)(phenyl)methanol470666-16-1C18H16O2
- Benz(a)anthracene-1,2-diol, 1,2,3,4-tetrahydro-, (1R-cis)-94903-86-3C18H16O2
- Cyclopenta(a)phenanthren-17-one, 3-methoxy-6,7,15,16-tetrahydro-17521-83-4C18H16O2
- 4-(Phenanthren-4-yl)butanoic acid93875-55-9C18H16O2
- 2-Phenyl-2-propan-2-ylindene-1,3-dione18473-54-6C18H16O2
- 2-Benzylidene-6-(furan-2-ylmethylene)cyclohexanone878050-90-9C18H16O2
- 1H-Inden-1-one, 3-(4-methoxyphenyl)-5,6-dimethyl-705255-92-1C18H16O2
- 4'-Isopropylisoflavone36136-92-2C18H16O2
- 1-Phenyl-2-(5,6,7,8-tetrahydronaphthalen-2-yl)ethane-1,2-dione65614-76-8C18H16O2
- 4-(Phenanthren-9-yl)butanoic acid68151-16-6C18H16O2
- 5-Ethyl-3,4-diphenylfuran-2(5H)-one79379-59-2C18H16O2
- 1-(But-3-en-1-yl)-1,4-dihydroanthracene-9,10-dione52651-55-5C18H16O2
- 1-Butylanthracene-9,10-dione56854-76-3C18H16O2
- 2-Benzhydryl-2H-pyran-4(3H)-one805251-34-7C18H16O2
- Furan-3-yl(2-methyl-[1,1'-biphenyl]-4-yl)methanol1443306-47-5C18H16O2
- 4-(Phenylmethoxy)-1-naphthalenemethanol861092-57-1C18H16O2
- 6-Phenylspiro[1,2-dihydroindene-3,2'-cyclopropane]-1'-carboxylic acid2241129-48-4C18H16O2
- 1,2-Triphenylenediol, 1,2,3,4-tetrahydro-, trans-74444-58-9C18H16O2
- trans-1,2,3,4-Tetrahydrobenzo(c)phenanthrene-3,4-diol75410-88-7C18H16O2
- trans-1,2,3,4-Tetrahydrobenz(a)anthracene-2,3-diol94849-71-5C18H16O2
- 2,4,5,7-Tetramethylphenanthrene-9,10-dione17825-38-6C18H16O2
- Methyl 2-phenanthren-4-ylpropanoate7496-06-2C18H16O2
- 1,4,6,7-Tetramethylanthracene-9,10-dione68498-92-0C18H16O2
- 1-(2-Hydroxy-5-methylphenyl)-5-phenyl-2,4-pentadien-1-one136054-87-0C18H16O2
- 9-Phenanthrenecarboxylic acid, 1-methylethyl ester113842-13-0C18H16O2
- Naphthalene, 7-methoxy-1-(4-methoxyphenyl)-851330-27-3C18H16O2
- 2-Cyclohexen-1-one, 6-hydroxy-4,4-diphenyl-64045-73-4C18H16O2
- 4,4-Diphenylcyclohexane-1,3-dione13128-74-0C18H16O2
- Propyl anthracene-9-carboxylate71942-30-8C18H16O2
- Propan-2-yl 2-(phenylethynyl)benzoate88180-65-8C18H16O2
- Ethyl 10-methylphenanthrene-9-carboxylate232611-22-2C18H16O2
Frequently asked questions
What is the molar mass of C18H16O2?
The molar mass of C18H16O2 is 264.32 g/mol, calculated from standard atomic weights for 18 carbon atoms, 16 hydrogen atoms and 2 oxygen atoms. The monoisotopic mass is 264.1150 Da.
How many compounds have the formula C18H16O2?
CompoundList lists 215 compounds with the molecular formula C18H16O2, including Tug-424, Cinnamyl cinnamate, 2-tert-Butylanthraquinone. 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 C18H16O2?
C18H16O2 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.