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 101 to 200 of 215 compounds
4-Phenyl-3-propyl-1H-isochromen-1-one
CAS 293321-70-7C18H16O2
(3-(Benzyloxy)naphthalen-2-yl)methanol
CAS 217176-33-5C18H16O2
1,1'-(But-1-en-3-yne-2,4-diyl)bis(4-methoxybenzene)
CAS 133496-99-8C18H16O2
(4R)-4-(Anthracen-9-yl)-4-hydroxybutan-2-one
CAS 909707-19-3C18H16O2
1,6-Dimethyl-4,5-dihydropyrene-2,7-diol
CAS 2255331-28-1C18H16O2
![5,6,11,12-Tetrahydrodibenzo[a,e][8]annulene-2,9-dicarbaldehyde chemical structure, C18H16O2, CAS 2170730-07-9](/s/JZUMDCOQSMFJKL-UHFFFAOYSA-N.svg)
5,6,11,12-Tetrahydrodibenzo[a,e][8]annulene-2,9-dicarbaldehyde
CAS 2170730-07-9C18H16O2
![7-(Benzyloxy)-2,4,5,6-tetrahydro-1H-cyclobuta[f]inden-1-one chemical structure, C18H16O2, CAS 2676863-61-7](/s/HVEIMAPYBJYVGR-UHFFFAOYSA-N.svg)
7-(Benzyloxy)-2,4,5,6-tetrahydro-1H-cyclobuta[f]inden-1-one
CAS 2676863-61-7C18H16O2
17H-Cyclopenta(a)phenanthren-17-one, 11,12,15,16-tetrahydro-3-methoxy-
CAS 143216-78-8C18H16O2
15H-Cyclopenta(a)phenanthrene-16,17-diol, 16,17-dihydro-11-methyl-, trans-
CAS 42123-09-1C18H16O2
Benz(a)anthracene-2,3-diol, 1,2,3,4-tetrahydro-, cis-
CAS 94849-72-6C18H16O2
Benz(a)anthracene-8,9-diol, 8,9,10,11-tetrahydro-, (8S-cis)-
CAS 91423-72-2C18H16O2
12-Methyl-9,10-dihydro-9,10-ethanoanthracene-11-carboxylic acid
CAS 7152-29-6C18H16O2
Phenyl(6-phenyl-3,4-dihydro-2H-pyran-2-yl)methanone
CAS 6337-36-6C18H16O2
![(13R)-3-Methoxy-11,12,13,17-tetrahydrocyclopenta[a]phenanthren-16-one chemical structure, C18H16O2, CAS 28527-72-2](/s/DILZOOFHFFJGRI-LLVKDONJSA-N.svg)
(13R)-3-Methoxy-11,12,13,17-tetrahydrocyclopenta[a]phenanthren-16-one
CAS 28527-72-2C18H16O2
2,4-Pentadienoic acid, 5,5-diphenyl-, methyl ester
CAS 101723-21-1C18H16O2
![9-Methoxy-8-phenyl-5,6-dihydro-7H-benzo[7]annulen-7-one chemical structure, C18H16O2, CAS 93875-34-4](/s/OBZCRFGVQDQCOQ-UHFFFAOYSA-N.svg)
9-Methoxy-8-phenyl-5,6-dihydro-7H-benzo[7]annulen-7-one
CAS 93875-34-4C18H16O2
6-(4-Methoxy-2-methylphenyl)-2-naphthol
CAS 550998-12-4C18H16O2
1(2H)-Naphthalenone, 2-(4-methoxyphenyl)-2-methyl-
CAS 62411-74-9C18H16O2
Methyl 9,10-dimethylanthracene-2-carboxylate
CAS 473773-74-9C18H16O2
2-Phenanthrenebutanoic acid
CAS 77520-30-0C18H16O2
6,8-Dimethyl-2-(o-tolyl)-4H-chromen-4-one
CAS 88952-92-5C18H16O2
6,7-Dimethyl-2-(p-tolyl)-4H-chromen-4-one
CAS 88952-97-0C18H16O2
6,7-Dimethyl-2-(o-tolyl)-4H-chromen-4-one
CAS 88952-96-9C18H16O2
3-Phenyl-4,6,8-trimethylcoumarin
CAS 112030-32-7C18H16O2
- 2-(2-Isopropylphenyl)-1H-indene-1,3(2H)-dione13935-91-6C18H16O2
- (3-(2-Methoxynaphthalen-1-yl)phenyl)methanol1349718-29-1C18H16O2
- 6-Methoxygona-1,3,5(10),6,8,13-hexaen-17-one27343-47-1C18H16O2
- Ethyl 2,3-diphenylcycloprop-1-ene-1-carboxylate109251-03-8C18H16O2
- 1-(2-Methoxyphenyl)-3,4-dihydronaphthalene-2-carbaldehyde350691-09-7C18H16O2
- (1S,2S)-1,2,3,4-Tetrahydrobenzo(a)anthracene-1,2-diol91422-99-0C18H16O2
- Benz(a)anthracene-1,2-diol, 1,2,3,4-tetrahydro-, (1S-cis)-91423-71-1C18H16O2
- 17H-Cyclopenta(a)phenanthren-17-one, 11,12,15,16-tetrahydro-2-methoxy-55651-42-8C18H16O2
- 15H-Cyclopenta(a)phenanthrene-16,17-diol, 16,17-dihydro-11-methyl-, cis-42123-00-2C18H16O2
- 15H-Cyclopenta(a)phenanhrene-16,17-diol, 16,17-dihydro-17-methyl-42202-82-4C18H16O2
- Benz(a)anthracene-10,11-diol, 8,9,10,11-tetrahydro-, (10S-cis)-91384-62-2C18H16O2
- Benzo(a)anthracen-8,9-diol, 8,9,10,11-tetrahydro-, (8R,9R)-rel-94903-87-4C18H16O2
- Benzo(a)anthracene-10,11-diol, 8,9,10,11-tetrahydro-, trans-94903-89-6C18H16O2
- Benz(a)anthracene-3,4-diol, 1,2,3,4-tetrahydro-, (3R-trans)-80433-83-6C18H16O2
- Benz(a)anthracene-8,9-diol, 8,9,10,11-tetrahydro-, (8R-cis)-91423-73-3C18H16O2
- Methyl 3-(4-phenyl-1,3-butadienyl)benzoate720671-48-7C18H16O2
- 1H-Indene-1,3(2H)-dione, 2-[3-(1-methylethyl)phe13935-94-9C18H16O2
- Ethyl 2,4-diphenylbuta-2,3-dienoate144542-50-7C18H16O2
- 7-Oxabicyclo[4.1.0]heptan-2-one, 5,5-diphenyl-17024-42-9C18H16O2
- Naphthalene, 6-methoxy-1-(3-methoxyphenyl)-851330-29-5C18H16O2
- 2-Propyn-1-one, 1-(3,4-dimethylphenyl)-3-(4-methoxyphenyl)-705255-90-9C18H16O2
- 4,6,7-Trimethyl-3-phenylchromen-2-one288399-94-0C18H16O2
- 9-Anthraceneacetic acid, ethyl ester101512-07-6C18H16O2
- 2-Cyclopenten-1-one, 2-([1,1'-biphenyl]-4-ylhydroxymethyl)-653585-85-4C18H16O2
- Benzoic acid, 4-(4-phenyl-1-butynyl)-, methyl ester835652-92-1C18H16O2
- 6-(4-Acetylphenyl)-3,4-dihydronaphthalen-1(2H)-one689247-80-1C18H16O2
- 2-(3-Phenylpropyl)-4H-1-benzopyran-4-one92891-90-2C18H16O2
- 10,11-Dihydro-5H-5,10-methanodibenzo[a,d][7]annulen-11-yl acetate6682-28-6C18H16O2
- [4-(3-Hydroxy-3-methyl-1-butyn-1-yl)phenyl]phenylmethanone119754-14-2C18H16O2
- 2,3-Dihydro-2-methyl-2,6-diphenyl-4H-pyran-4-one5198-70-9C18H16O2
- Bicyclo[2.2.1]hept-5-en-2-yl naphthalene-2-carboxylate515136-91-1C18H16O2
- (2,3-Dihydro-5-benzofuranyl)(2,3-dihydro-1H-inden-5-yl)methanone1096942-28-7C18H16O2
- 1-(4-Ethenylphenyl)-3-(4-methoxyphenyl)prop-2-en-1-one54972-35-9C18H16O2
- 3-Phenyl-2-propyl-4H-1-benzopyran-4-one1300581-43-4C18H16O2
- 2-Ethyl-3-(2-methylphenyl)-4H-1-benzopyran-4-one1300581-86-5C18H16O2
- 3-(Phenanthren-9-yl)oxolan-3-ol64558-62-9C18H16O2
- 2-Ethynyl-4-methoxy-1-[2-(4-methoxyphenyl)ethenyl]benzene648933-62-4C18H16O2
- 2-Methoxy-1-(4-methoxyphenyl)naphthalene922511-71-5C18H16O2
- Methyl (2Z)-3-(9H-fluoren-2-yl)but-2-enoate1562214-81-6C18H16O2
- 1-[(3-Methyl-2-penten-4-yn-1-yl)oxy]-4-phenoxybenzene42873-99-4C18H16O2
- 5,8-Dihydro-6,7-dimethyl-2-phenyl-1,4-naphthalenedione55699-88-2C18H16O2
- 3-[4-(1-Methylethyl)phenyl]-2H-1-benzopyran-2-one23000-35-3C18H16O2
- 1-(2,4-Dimethylphenyl)-4-phenylbut-2-ene-1,4-dione22867-07-8C18H16O2
- Methyl 5-methyl-2-[(4-methylphenyl)ethynyl]benzoate1314961-39-1C18H16O2
- 10H-Spiro[anthracene-9,1'-cyclopropan]-10-yl acetate18370-15-5C18H16O2
- 8-Ethynyl-1,7-dimethyl-9,10-dihydrophenanthrene-2,6-diol2306413-51-2C18H16O2
- 6b,7,10,10a-Tetrahydrofluoranthen-7-yl acetate85923-78-0C18H16O2
- 1,3,6,8-Tetramethylphenanthrene-4,5-dione61358-16-5C18H16O2
- 7,8-Diphenyl-2,5-dioxabicyclo[4.2.0]oct-7-ene63163-65-5C18H16O2
- 7,7-Diphenyl-2-oxabicyclo[3.2.0]heptan-6-one14002-01-8C18H16O2
- Methyl 4-phenyl-3,4-dihydronaphthalene-2-carboxylate83303-57-5C18H16O2
- Methyl 3-phenyl-3,4-dihydronaphthalene-2-carboxylate83303-59-7C18H16O2
- 5-Hydroxy-5-methyl-2,3-diphenylcyclopent-2-en-1-one88964-81-2C18H16O2
- 2-(Anthracen-9-yl)-1,3-dioxane144075-09-2C18H16O2
- 1-Methyl-6,6-diphenyl-2,7-dioxabicyclo[3.2.0]hept-3-ene13341-73-6C18H16O2
- 9-Phenyl-3a,4,9,9a-tetrahydronaphtho[2,3-c]furan-1(3H)-one61019-11-2C18H16O2
- Propyl 4-(phenylethynyl)benzoate827028-17-1C18H16O2
- (2,4-Dimethylphenyl)-(3-methyl-1-benzofuran-2-yl)methanone14176-40-0C18H16O2
- Cyclopentyl-2-dibenzofuranylmethanone1096987-10-8C18H16O2
- 3-Methoxy-5-(4-methylnaphthalen-1-yl)phenol1261927-29-0C18H16O2
- 10-Hydroxy-7,9,10,12-tetrahydrotetracen-5(8H)-one89046-66-2C18H16O2
- 2,4-Dibenzylcyclobutane-1,3-dione92610-13-4C18H16O2
- 5-Propylphenanthrene-4-carboxylic acid114116-12-0C18H16O2
- 1,1'-(But-1-en-3-yne-1,4-diyl)bis(4-methoxybenzene)136612-76-5C18H16O2
- 1-[2-(Methoxymethoxy)phenyl]naphthalene141362-07-4C18H16O2
- 9-{[(Prop-1-en-1-yl)peroxy]methyl}anthracene500783-58-4C18H16O2
- Methyl (2,3-diphenylcycloprop-2-en-1-yl)acetate63106-77-4C18H16O2
- Ethyl 6-methylphenanthrene-1-carboxylate62914-96-9C18H16O2
- Phenyl 1,3-dimethyl-1H-indene-1-carboxylate62291-81-0C18H16O2
- 3-[2-(3-Phenylprop-2-EN-1-yl)phenyl]prop-2-enoic acid847447-33-0C18H16O2
- 3-[2-(3-Phenylprop-1-EN-1-yl)phenyl]prop-2-enoic acid847447-26-1C18H16O2
- 2-Ethyl-1,3-diphenylcycloprop-2-ene-1-carboxylic acid824425-13-0C18H16O2
- 1-(4-Benzoylphenyl)pent-1-en-3-one921206-13-5C18H16O2
- 1-((4-Methoxyphenoxy)methyl)naphthalene1037294-96-4C18H16O2
- 1-(7-Acetyl-9,10-dihydrophenanthren-2-yl)ethanone7567-54-6C18H16O2
- 1,4-Di-m-tolylbut-2-ene-1,4-dione1430109-79-7C18H16O2
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 4-Phenyl-3-propyl-1H-isochromen-1-one, (3-(Benzyloxy)naphthalen-2-yl)methanol, 1,1'-(But-1-en-3-yne-2,4-diyl)bis(4-methoxybenzene). 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.