Molecular formula
C18H20O3
318 compounds have this formula on CompoundList.
- Molar mass
- 284.35g/mol
- Monoisotopic mass
- 284.1412Da
- Atoms
- 41
- Elements
- 3
- Rings plus double bonds
- 9
The formula C18H20O3 describes a molecule made of 18 carbon atoms, 20 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 × 1876.03%12.011 × 18 = 216.198 g/mol
- H Hydrogen × 207.09%1.008 × 20 = 20.160 g/mol
- O Oxygen × 316.88%15.999 × 3 = 47.997 g/mol
Look up another formula
Compounds with the formula C18H20O3
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 201 to 300 of 318 compounds
3-(Benzyloxy)-5-(tert-butyl)benzoic acid
CAS 2918855-17-9C18H20O3
Phenol, 4,4'-(2,3-diethyl-2,3-oxiranediyl)bis-, trans-
CAS 69422-61-3C18H20O3
(3-Phenoxyphenyl) 3,3-dimethylbutanoate
CAS 98992-27-9C18H20O3
(3-Phenoxyphenyl)methyl 2,2-dimethylpropanoate
CAS 98992-28-0C18H20O3
tert-Butyl 2-(3-phenoxyphenyl)acetate
CAS 98992-32-6C18H20O3
5-Ethyl-2-methylphenyl 4-ethoxybenzoate
CAS 723759-82-8C18H20O3
1(2H)-Naphthalenone, octahydro-2-(1,3-benzodioxol-5-ylmethylene)-
CAS 69920-41-8C18H20O3
1(4H)-Anthracenone, 5,8-dihydro-9,10-dihydroxy-4,4,6,7-tetramethyl-
CAS 151051-90-0C18H20O3
![2-Methyl-2-phenyl-4-[(phenylmethoxy)methyl]-1,3-dioxolane chemical structure, C18H20O3, CAS 87324-10-5](/s/RRVZWBFMSYDENW-UHFFFAOYSA-N.svg)
2-Methyl-2-phenyl-4-[(phenylmethoxy)methyl]-1,3-dioxolane
CAS 87324-10-5C18H20O3
1-Propanone, 3-(2-hydroxy-1-methylethoxy)-1,3-diphenyl-
CAS 652146-05-9C18H20O3
1-Propanone, 3-(3-hydroxypropoxy)-1,3-diphenyl-
CAS 652146-06-0C18H20O3
Propanoic acid, 2-methyl-, (1S,2R)-2-hydroxy-1,2-diphenylethyl ester
CAS 612086-31-4C18H20O3
Ethyl 4-(2-phenylpropan-2-yl)phenyl carbonate
CAS 61962-48-9C18H20O3
![2-([1,1'-Biphenyl]-4-yl)-3-hydroxyhexanoic acid chemical structure, C18H20O3, CAS 93371-38-1](/s/DJNFWZGQBHCPMH-UHFFFAOYSA-N.svg)
2-([1,1'-Biphenyl]-4-yl)-3-hydroxyhexanoic acid
CAS 93371-38-1C18H20O3
3-OH-4-ME-2(4-Biphenylyl)pentanoic acid
CAS 93371-56-3C18H20O3
![3-[4-(2-Phenylpropan-2-yl)phenoxy]propanoic acid chemical structure, C18H20O3, CAS 88384-12-7](/s/YQLYBLQUXCODJW-UHFFFAOYSA-N.svg)
3-[4-(2-Phenylpropan-2-yl)phenoxy]propanoic acid
CAS 88384-12-7C18H20O3
1,2-Bis(4-methoxyphenyl)-2-methyl-1-propanone
CAS 96047-37-9C18H20O3
Ethyl 2-(2-phenylethoxy)benzeneacetate
CAS 916908-42-4C18H20O3
4-Benzylphenyl tert-butyl carbonate
CAS 139477-20-6C18H20O3
5,7,8-Trimethyl-2-phenyl-3,4-dihydro-2H-1-benzopyran-2,6-diol
CAS 53713-18-1C18H20O3
4-(4-(tert-Pentyl)phenoxy)benzoic acid
CAS 938356-51-5C18H20O3
4-(2-Methylbutan-2-yl)phenyl 2-hydroxybenzoate
CAS 89019-90-9C18H20O3
4-Propylphenyl 4-ethoxybenzoate
CAS 50649-33-7C18H20O3
3-(3-Ethoxyphenyl)-2-methyl-2-phenylpropanoic acid
CAS 1017391-67-1C18H20O3
- tert-Butyl 3-(4-methylphenoxy)benzoate885518-21-8C18H20O3
- 2-(2,5-Dimethylphenoxy)-1-(2-methoxy-4-methylphenyl)ethanone1156295-98-5C18H20O3
- 2-Hydroxy-6-(4-phenyl-butyl)-benzoic acid methyl ester365543-08-4C18H20O3
- Propanoic acid, 2-methyl-2-(3-methylphenoxy)-, phenylmethyl ester1370712-58-5C18H20O3
- tert-Butyl (2E)-3-(6-methoxynaphthalen-2-yl)prop-2-enoate1004757-44-1C18H20O3
- 4'-Isobutyl-4-methoxy-[1,1'-biphenyl]-2-carboxylic acid1408542-14-2C18H20O3
- Methyl 2-(ethoxymethyl)-2'-methyl[1,1'-biphenyl]-4-carboxylate1141474-10-3C18H20O3
- 2-(3-Isopropoxyphenyl)chroman-6-ol1426900-12-0C18H20O3
- 3-(3,4-Dimethoxyphenyl)-5,7-dimethyl-2,3-dihydro-1-benzofuran88467-28-1C18H20O3
- 4-(2-Methylpropyl)phenyl 4-methoxybenzoate62716-80-7C18H20O3
- 4-Methoxyphenyl 4-(2-methylpropyl)benzoate62716-72-7C18H20O3
- 7-Hydroxy-6-(1,4,4-trimethyl-2-cyclohexen-1-yl)-2H-1-benzopyran-2-one52515-76-1C18H20O3
- Methyl 3-(benzyloxy)-2-propylbenzoate183108-34-1C18H20O3
- 4-Oxoadamantan-1-yl phenylacetate63382-11-6C18H20O3
- 4-(4-(1-Hydroxy-2-methylpropyl)benzyloxy)benzaldehyde1187216-74-5C18H20O3
- 4-(4-Isobutoxybenzyloxy)benzaldehyde1187212-26-5C18H20O3
- 4-(2-Isobutoxybenzyloxy)benzaldehyde1187212-29-8C18H20O3
- tert-Butyl 2-(benzyloxy)benzoate1044061-57-5C18H20O3
- Ethyl (2E)-3-[2-(hept-2-ynoyl)phenyl]prop-2-enoate1401319-47-8C18H20O3
- 4-(4-Butylphenoxy)-2-methylbenzoic acid1553268-30-6C18H20O3
- Benzyl 4-methoxy-2-phenylbutanoate1914100-61-0C18H20O3
- 2-(Benzyloxy)-5-(tert-butyl)benzoic acid56529-82-9C18H20O3
- Ethyl 4-(4-propylphenoxy)benzoate2243096-10-6C18H20O3
- 4-(Benzyloxy)-2-isobutoxybenzaldehyde2752029-07-3C18H20O3
- Methyl 4-(benzyloxy)-3-isopropylbenzoate2734776-92-0C18H20O3
- Ethyl 2-(benzyloxy)-3,5-dimethylbenzoate2755723-98-7C18H20O3
- 4-tert-Butyl-3-methoxyphenyl benzoate19545-78-9C18H20O3
- Methyl 2,2-dimethyl-4-(4-methylnaphthalen-1-yl)-4-oxobutanoate854648-80-9C18H20O3
- 4-([1,1'-Biphenyl]-4-yl)-3-hydroxyhexanoic acid101743-47-9C18H20O3
- Estra-1(10),2,4,6,8-pentaene-3,6,17beta-triol360792-45-6C18H20O3
- BenZyl 3-(4-ethylphenyl)-3-hydroxypropanoate3002495-68-0C18H20O3
- 2,2-Dimethylpropyl 3-phenoxybenzoate98992-31-5C18H20O3
- 3,3-Dimethyl-1,1-diphenoxybutan-2-one112438-57-0C18H20O3
- 2-Ethoxy-2-methyl-4,4-diphenyl-1,3-dioxolane61562-17-2C18H20O3
- 2-Ethoxy-2-methyl-4,5-diphenyl-1,3-dioxolane61562-18-3C18H20O3
- Ethyl 2-ethoxy-2,2-diphenylacetate4406-93-3C18H20O3
- 5,8-Diethoxy-2-methyl-2,3-dihydro-1H-cyclopenta[a]naphthalen-1-one89296-30-0C18H20O3
- 5,8-Diethoxy-3-methyl-2,3-dihydro-1H-cyclopenta[a]naphthalen-1-one89377-91-3C18H20O3
- (5-Benzyl-2-phenyl-1,3-dioxan-4-yl)methanol88481-72-5C18H20O3
- Benzyl 3-(benzyloxy)-2-methylpropanoate91796-44-0C18H20O3
- 1-(Benzyloxy)-3,5-dimethoxy-2-(prop-2-en-1-yl)benzene112890-03-6C18H20O3
- 2,2',5-Trimethoxy-5'-(prop-2-en-1-yl)-1,1'-biphenyl138591-47-6C18H20O3
- 3-(4-Carboxybenzylidene)camphor68801-01-4C18H20O3
- 4-(3-(Benzyloxy)propoxy)-2-methylbenzaldehyde666843-80-7C18H20O3
- 3-(1,3-Benzodioxol-5-ylmethylene)-1,7,7-trimethylbicyclo(2.2.1)heptan-2-one74841-38-6C18H20O3
- 4'-(1,1-Dimethylethyl)-6-methoxy[1,1'-biphenyl]-2-carboxylic acid1207755-14-3C18H20O3
- 2-Butyl-3-[hydroxy(phenyl)methyl]benzoic acid89393-42-0C18H20O3
- 2,6-Dimethylphenyl 2-phenoxybutanoate91024-79-2C18H20O3
- 4-(2,4,4-Trimethyl-3,4-dihydro-2H-1-benzopyran-2-yl)benzene-1,3-diol94363-82-3C18H20O3
- 4-Methoxy-4'-{2-[(prop-1-en-1-yl)oxy]ethoxy}-1,1'-biphenyl102534-41-8C18H20O3
- 3-Ethoxy-2-methoxy-1,2-diphenylpropan-1-one128426-54-0C18H20O3
- 4-[(Benzyloxy)methyl]-2-phenyl-1,3-dioxane139884-79-0C18H20O3
- 3,3-Dimethyl-7,7-diphenyl-1,2,4-trioxepane37892-98-1C18H20O3
- [1,1'-Biphenyl]-4-yl butoxyacetate54334-90-6C18H20O3
- Benzyl 3-(benzyloxy)butanoate52657-85-9C18H20O3
- Benzoic acid--[2-(2-methylprop-1-en-1-yl)phenyl]methanol (1/1)65977-82-4C18H20O3
- Acetic acid--7-(cyclonona-2,4,6,8-tetraen-1-yl)cyclohepta-1,3,5-trien-1-ol (1/1)65175-39-5C18H20O3
- Benzoic acid--(dispiro[2.2.2~6~.2~3~]deca-4,9-dien-1-yl)methanol (1/1)64188-02-9C18H20O3
- 1,3-Bis(4-methoxyphenyl)butan-1-one66647-66-3C18H20O3
- Ethyl (2S)-2-[([1,1'-biphenyl]-4-yl)methoxy]propanoate663174-52-5C18H20O3
- 1-(3-tert-Butyl-2-hydroxy-6-phenoxyphenyl)ethan-1-one655785-28-7C18H20O3
- Methyl 4-[(3R)-4-ethenylidene-3-hydroxyoct-1-yn-1-yl]benzoate651020-84-7C18H20O3
- 4-Methoxyphenyl 4-(butan-2-yl)benzoate62716-95-4C18H20O3
- 4-Ethoxyphenyl 4-(propan-2-yl)benzoate62716-88-5C18H20O3
- 1-(4-Hydroxy-2-methoxy-3,5-dimethylphenyl)-3-phenylpropan-1-one61543-00-8C18H20O3
- Ethyl 2-(2,2-dimethylpropanoyl)azulene-6-carboxylate869957-30-2C18H20O3
- 1,3-Dimethoxy-5-[(4-phenylbut-3-en-2-yl)oxy]benzene831170-93-5C18H20O3
- 1-[4-(Benzyloxy)phenyl]-1-hydroxypentan-3-one821771-88-4C18H20O3
- 2-Hydroperoxy-4-methyl-1,2-diphenylpentan-3-one58967-00-3C18H20O3
- 4-Butylphenyl 4-hydroxy-2-methylbenzoate56077-18-0C18H20O3
- Methyl 4-(4-(tert-butyl)phenoxy)benzoate1705359-04-1C18H20O3
- (R)-(2,2-Dimethyl-1,3-dioxolan-4-yl)diphenylmethanol1486513-00-1C18H20O3
- 2-(4'-Ethoxy-[1,1'-biphenyl]-4-yl)-2-methylpropanoic acid1226320-45-1C18H20O3
- Ethyl 4-(benzyloxy)-3,5-dimethylbenzoate773135-42-5C18H20O3
- 1,1-Dimethylethyl 2'-methoxy[1,1'-biphenyl]-4-carboxylate1123247-73-3C18H20O3
- 6'-(Cyclopropylmethoxy)spiro[cyclohexane-1,2'-indene]-1',4(3'H)-dione2749767-81-3C18H20O3
Frequently asked questions
What is the molar mass of C18H20O3?
The molar mass of C18H20O3 is 284.35 g/mol, calculated from standard atomic weights for 18 carbon atoms, 20 hydrogen atoms and 3 oxygen atoms. The monoisotopic mass is 284.1412 Da.
How many compounds have the formula C18H20O3?
CompoundList lists 318 compounds with the molecular formula C18H20O3, including 3-(Benzyloxy)-5-(tert-butyl)benzoic acid, Phenol, 4,4'-(2,3-diethyl-2,3-oxiranediyl)bis-, trans-, (3-Phenoxyphenyl) 3,3-dimethylbutanoate. 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 C18H20O3?
C18H20O3 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.