Molecular formula
C18H20O2
331 compounds have this formula on CompoundList.
- Molar mass
- 268.36g/mol
- Monoisotopic mass
- 276.1965Da
- Atoms
- 40
- Elements
- 3
- Rings plus double bonds
- 9
The formula C18H20O2 describes a molecule made of 18 carbon atoms, 20 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 × 1880.56%12.011 × 18 = 216.198 g/mol
- H Hydrogen × 207.51%1.008 × 20 = 20.160 g/mol
- O Oxygen × 211.92%15.999 × 2 = 31.998 g/mol
Look up another formula
Compounds with the formula C18H20O2
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 201 to 300 of 331 compounds
- chemical structure, C18H20O2, CAS 89946-89-4](/s/FBTHGXWWKDTBPT-UHFFFAOYSA-N.svg)
Methanone, [3-methyl-4-(1-methylethoxy)phenyl](3-methylphenyl)-
CAS 89946-89-4C18H20O2
1-(4-(3-(tert-Butyl)phenoxy)phenyl)ethanone
CAS 70945-85-6C18H20O2
![Methyl4'-(tert-butyl)-[1,1'-biphenyl]-4-carboxylate chemical structure, C18H20O2, CAS 81770-23-2](/s/RWQWWJNRBSCOHK-UHFFFAOYSA-N.svg)
Methyl4'-(tert-butyl)-[1,1'-biphenyl]-4-carboxylate
CAS 81770-23-2C18H20O2
2-(4-Isopropylphenyl)-1-(4-methoxyphenyl)ethanone
CAS 52629-56-8C18H20O2
![2-Methoxy-5-[2-(3,4,5-trimethylphenyl)ethenyl]phenol chemical structure, C18H20O2, CAS 438534-02-2](/s/RYPSSPOIYQFPDK-UHFFFAOYSA-N.svg)
2-Methoxy-5-[2-(3,4,5-trimethylphenyl)ethenyl]phenol
CAS 438534-02-2C18H20O2
4-(Benzyloxy)-2,3,5,6-tetramethylbenzaldehyde
CAS 88339-53-1C18H20O2
Octadeca-6,9,12,15-tetraynoic acid
CAS 82122-21-2C18H20O2
1-(2-Isopropoxyphenyl)-2-(p-tolyl)ethanone
CAS 1508157-18-3C18H20O2
1,2,3,4-Tetrahydro-1,4-ethanoanthracene, 9,10-dimethoxy-
CAS 177205-54-8C18H20O2
1-(3,4-Dimethylphenyl)-2-(4-ethylphenoxy)ethanone
CAS 540520-45-4C18H20O2
![4-[2-(4-Propylphenyl)ethyl]benzoic acid chemical structure, C18H20O2, CAS 94721-61-6](/s/FJAZXDVZZJEDAM-UHFFFAOYSA-N.svg)
4-[2-(4-Propylphenyl)ethyl]benzoic acid
CAS 94721-61-6C18H20O2
Naphthalene, 6,7-dimethyl-1,4-bis(2-propenyloxy)-
CAS 784189-69-1C18H20O2
3-Pentanone, 1-phenyl-2-(phenylmethoxy)-, (2S)-
CAS 188659-97-4C18H20O2
2-Benzyl-1-(4-methoxyphenyl)butan-1-one
CAS 30070-05-4C18H20O2
(4S)-4-(Benzyloxy)-1-phenylpentan-1-one
CAS 87118-98-7C18H20O2
methanone chemical structure, C18H20O2, CAS 110701-33-2](/s/UQGZXFIHRISLBS-UHFFFAOYSA-N.svg)
[2-Hydroxy-5-(2-methylbutan-2-yl)phenyl](phenyl)methanone
CAS 110701-33-2C18H20O2
![5,12-Dimethoxytricyclo[9.3.1.14,8]hexadeca-1(15),4,6,8(16),11,13-hexaene chemical structure, C18H20O2, CAS 16621-01-5](/s/DPUWWHMYIZTAPM-UHFFFAOYSA-N.svg)
5,12-Dimethoxytricyclo[9.3.1.14,8]hexadeca-1(15),4,6,8(16),11,13-hexaene
CAS 16621-01-5C18H20O2
2,4,6,8-Nonatetraenal, 9-(4-methoxyphenyl)-3,7-dimethyl-, (all-E)-
CAS 113429-95-1C18H20O2
5,7,8-Trimethyl-2-phenyl-3,4-dihydro-2H-1-benzopyran-6-ol
CAS 63233-39-6C18H20O2
(2-Hydroxy-4,6-dimethylphenyl)(2,4,6-trimethylphenyl)methanone
CAS 100923-74-8C18H20O2
![2-[[Bis(2-methylphenyl)methoxy]methyl]oxirane chemical structure, C18H20O2, CAS 130525-18-7](/s/XJJSUJJGGCFWMX-UHFFFAOYSA-N.svg)
2-[[Bis(2-methylphenyl)methoxy]methyl]oxirane
CAS 130525-18-7C18H20O2
![2,2-Dimethyl-1-[2-(4-methylphenoxy)phenyl]propan-1-one chemical structure, C18H20O2, CAS 922731-22-4](/s/NTKVTCMGVQTOKI-UHFFFAOYSA-N.svg)
2,2-Dimethyl-1-[2-(4-methylphenoxy)phenyl]propan-1-one
CAS 922731-22-4C18H20O2
1-(4'-Butoxy-biphenyl-4-yl)-ethanone
CAS 56117-00-1C18H20O2
![1-[3-(1-Methylethyl)-4-(phenylmethoxy)phenyl]ethanone chemical structure, C18H20O2, CAS 156740-92-0](/s/DTWIBPXMXBBUAL-UHFFFAOYSA-N.svg)
1-[3-(1-Methylethyl)-4-(phenylmethoxy)phenyl]ethanone
CAS 156740-92-0C18H20O2
- 4'-Methyl[1,1'-biphenyl]-4-yl 2,2-dimethylpropanoate359898-55-8C18H20O2
- 3,3-Dimethyl-1-(4-phenoxyphenyl)-1-butanone55814-61-4C18H20O2
- 3,3'-(4-Methylpent-1-ene-2,4-diyl)diphenol67833-41-4C18H20O2
- 2-(3-Hydroxypropyl)tricyclo[9.4.0.03,8]pentadeca-1(15),3,5,7,11,13-hexaen-2-ol14341-93-6C18H20O2
- 4'-(1,1-Dimethylethyl)[1,1'-biphenyl]-4-acetic acid893640-17-0C18H20O2
- 1-{4-[3-Methyl-4-(propan-2-yl)phenoxy]phenyl}ethan-1-one887575-43-1C18H20O2
- 1-(4'-Isopropoxy-[1,1'-biphenyl]-4-yl)propan-1-one1177230-76-0C18H20O2
- 3-[3,8-Dimethyl-5-(propan-2-yl)azulen-1-yl]prop-2-enoic acid81920-95-8C18H20O2
- 1,1'-(1,2-Diethoxyethene-1,2-diyl)dibenzene329371-66-6C18H20O2
- 4,4'-(Ethene-1,2-diyl)bis(2,6-dimethylphenol)25347-59-5C18H20O2
- 1-(4-Phenoxyphenyl)cyclohexanol2410095-77-9C18H20O2
- 4'-Isobutyl-4-methoxy-[1,1'-biphenyl]-3-carbaldehyde1468892-87-6C18H20O2
- 4'-Isobutyl-4-methyl-[1,1'-biphenyl]-3-carboxylic acid1495798-48-5C18H20O2
- 2-Benzhydryltetrahydro-2H-pyran-4-ol1965192-54-4C18H20O2
- 3-(3,4-Dimethylphenyl)-2-(3-methylphenyl)propanoic acid1379686-71-1C18H20O2
- Methyl 6-[(1E)-4-methyl-1-penten-1-yl]-2-naphthalenecarboxylate2316820-63-8C18H20O2
- Diphenylmethyl 3-methylbutanoate141235-52-1C18H20O2
- 1-[(2-Methoxypropan-2-yl)oxy]-2-(1-phenylethenyl)benzene171863-86-8C18H20O2
- 4'-Isobutyl-4-methyl-[1,1'-biphenyl]-2-carboxylic acid1539718-89-2C18H20O2
- 4'-Isobutyl-5-methyl-[1,1'-biphenyl]-2-carboxylic acid1551559-34-2C18H20O2
- Methanone, [3-(1,1-dimethylethyl)-4-methoxyphenyl]phenyl-1536965-12-4C18H20O2
- [2'-(2-Methylpropyl)[1,1'-biphenyl]-4-yl]acetic acid190661-83-7C18H20O2
- 4-(4-Isobutylbenzyloxy)benzaldehyde1186634-39-8C18H20O2
- 3-((4-(tert-Butyl)phenoxy)methyl)benzaldehyde2870687-83-3C18H20O2
- 4'-Isobutyl-3-methyl-[1,1'-biphenyl]-4-carboxylic acid2098662-60-1C18H20O2
- 4'-(tert-Butyl)-3-methyl-[1,1'-biphenyl]-4-carboxylic acid2098662-59-8C18H20O2
- 4'-[(Hex-5-en-1-yl)oxy][1,1'-biphenyl]-4-ol155058-04-1C18H20O2
- 2-[4-(Benzyloxy)phenyl]oxane916235-97-7C18H20O2
- [4-(3-Methylbutoxy)phenyl]phenylmethanone42403-81-6C18H20O2
- Bisphenol Z-d62733972-12-6C18H20O2
- 1,1'-[(1R,2R)-3-Methylcyclopropane-1,2-diyl]bis(4-methoxybenzene)127257-88-9C18H20O2
- 6-Benzyl-8,8-dimethylbicyclo[3.3.1]non-6-ene-2,9-dione28588-91-2C18H20O2
- 1,3-Dimethoxy-4-[(E)-1-phenylbut-1-en-3-yl]benzene948311-94-2C18H20O2
- 1-(4'-Isopropoxy-[1,1'-biphenyl]-4-yl)prop-2-en-1-ol3002484-64-9C18H20O2
- (2-(Benzyloxy)-5-methylphenyl)(cyclopropyl)methanol3002453-73-5C18H20O2
- 4-((2-(tert-Butyl)phenoxy)methyl)benzaldehyde3002451-60-4C18H20O2
- 3-(Benzyloxy)-5-(tert-butyl)benzaldehyde2918900-40-8C18H20O2
- 1-(2-Methyl-4-((4-methylbenzyl)oxy)phenyl)propan-1-one3002484-99-0C18H20O2
- 14-Dehydroestrone2119-18-8C18H20O2
- (5,6,7,12-Tetrahydrodibenzo[a,d][8]annulene-6,6-diyl)dimethanol64303-19-1C18H20O2
- 3,6-Dimethyl-3,6-diphenyl-1,2-dioxane89444-39-3C18H20O2
- 4-(4-Cyclohexylphenoxy)phenol40843-64-9C18H20O2
- 1,1'-(2-Methylprop-1-ene-1,1-diyl)bis(4-methoxybenzene)26957-36-8C18H20O2
- 2,2-Diphenyl-3-(propan-2-yl)oxetan-3-ol89867-84-5C18H20O2
- 3-Ethyl-4-methyl-2,2-diphenyloxetan-3-ol89867-87-8C18H20O2
- 1-Hydroxy-4-methyl-2,2-diphenylpentan-3-one89867-89-0C18H20O2
- 5-Hydroxy-4,4-diphenylhexan-3-one89867-91-4C18H20O2
- 2-[3-(Benzyloxy)propyl]-3-phenyloxirane90055-19-9C18H20O2
- Ethyl 4,4-diphenylbutanoate10347-28-1C18H20O2
- 1-(4-Methoxyphenyl)-3-methyl-2-phenylbutan-1-one61147-75-9C18H20O2
- 1-Methyl-4-({2-[(4-methylphenoxy)methyl]prop-2-en-1-yl}oxy)benzene113964-44-6C18H20O2
- 3-Hydroxy-2,2-dimethyl-3-(4-methylphenyl)-1-phenylpropan-1-one113493-77-9C18H20O2
- 1-{[(3-Methylbut-2-en-1-yl)oxy]methyl}-3-phenoxybenzene113312-83-7C18H20O2
- 2,2-Dimethyl-1-(4-phenylmethoxyphenyl)propan-1-one114666-03-4C18H20O2
- 2,3,5,6-Tetracyclopropylcyclohexa-2,5-diene-1,4-dione63227-26-9C18H20O2
- 1-(2-(Benzyloxy)-3-isopropylphenyl)ethan-1-one914454-69-6C18H20O2
- 2-[(6-Methoxy-1,2,3,4-tetrahydronaphthalen-2-yl)methyl]phenol722538-03-6C18H20O2
- 2-(Benzyloxy)-6-methyl-3-(propan-2-yl)benzaldehyde88631-81-6C18H20O2
- 9-(4-Methoxyphenyl)-3,7-dimethylnona-2,6,8-trien-4-yn-1-ol113369-78-1C18H20O2
- 1-(4-Methoxyphenyl)-3-methyl-3-phenylbutan-1-one138453-06-2C18H20O2
- 2-(5,5-Diphenyloxolan-2-yl)ethan-1-ol653569-73-4C18H20O2
- 6,11-Dimethylhexadeca-2,4,6,8,10,12,14-heptaenedial647376-80-5C18H20O2
- 1-(4-Methoxyphenyl)-2-(4-propylphenyl)ethan-1-one643062-84-4C18H20O2
- 5-Ethyl-1,6-dimethyl-9,10-dihydrophenanthrene-2,7-diol64052-93-3C18H20O2
- 1,1'-(But-2-ene-1,4-diyl)bis(2-methoxybenzene)62242-51-7C18H20O2
- 2-{2-[([1,1'-Biphenyl]-4-yl)oxy]propan-2-yl}-2-methyloxirane61485-84-5C18H20O2
- 3,4-Dimethyl-8-phenyl-5,7,8,9-tetrahydro-1-benzoxepin-6(2H)-one833446-92-7C18H20O2
- Butyl 3-(2-methylnaphthalen-1-yl)prop-2-enoate826990-96-9C18H20O2
- 1-(1-Ethoxy-3-phenylprop-2-en-1-yl)-2-methoxybenzene918540-74-6C18H20O2
- 1-(3-Ethoxy-3-phenylprop-1-en-1-yl)-2-methoxybenzene918540-73-5C18H20O2
- 1-(1-Ethoxy-3-phenylprop-2-en-1-yl)-4-methoxybenzene918540-72-4C18H20O2
- 1-(3-Ethoxy-3-phenylprop-1-en-1-yl)-4-methoxybenzene918540-71-3C18H20O2
- 1-[2'-(1-Methylethoxy)[1,1'-biphenyl]-3-yl]-1-propanone1511715-77-7C18H20O2
- 1-[2'-(1-Methylethoxy)[1,1'-biphenyl]-4-yl]-1-propanone1523508-33-9C18H20O2
- 4'-Butyl-4-methyl-[1,1'-biphenyl]-2-carboxylic acid1508723-27-0C18H20O2
- 3-[(Phenylmethoxy)methyl]-3-(phenylmethyl)oxetane1268058-23-6C18H20O2
Frequently asked questions
What is the molar mass of C18H20O2?
The molar mass of C18H20O2 is 268.36 g/mol, calculated from standard atomic weights for 18 carbon atoms, 20 hydrogen atoms and 2 oxygen atoms. The monoisotopic mass is 276.1965 Da.
How many compounds have the formula C18H20O2?
CompoundList lists 331 compounds with the molecular formula C18H20O2, including Methanone, [3-methyl-4-(1-methylethoxy)phenyl](3-methylphenyl)-, 1-(4-(3-(tert-Butyl)phenoxy)phenyl)ethanone, Methyl4'-(tert-butyl)-[1,1'-biphenyl]-4-carboxylate. 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 C18H20O2?
C18H20O2 has a degree of unsaturation of 9. 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.