Molecular formula
C18H28O3
87 compounds have this formula on CompoundList.
- Molar mass
- 292.42g/mol
- Monoisotopic mass
- 292.2038Da
- Atoms
- 49
- Elements
- 3
- Rings plus double bonds
- 5
The formula C18H28O3 describes a molecule made of 18 carbon atoms, 28 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 × 1873.93%12.011 × 18 = 216.198 g/mol
- H Hydrogen × 289.65%1.008 × 28 = 28.224 g/mol
- O Oxygen × 316.41%15.999 × 3 = 47.997 g/mol
Look up another formula
Compounds with the formula C18H28O3
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 87 of 87 compounds
12-Oxo-phytodienoic acid
CAS 85551-10-6C18H28O3
9s,13r-12-Oxophytodienoic acid
CAS 71606-07-0C18H28O3
8-(4-Oxo-5-pent-2-enylcyclopent-2-en-1-yl)octanoic acid
CAS 67204-66-4C18H28O3
Methyl di-t-butyl hydroxyhydrocinnamate
CAS 6386-38-5C18H28O3
Methyl 4-(decyloxy)benzoate
CAS 62443-10-1C18H28O3
(2,4-Bis(1,1-dimethylpropyl)phenoxy)acetic acid
CAS 13402-96-5C18H28O3
4-Undecyloxybenzoic acid
CAS 15872-44-3C18H28O3
(8E)-9-((1E,3Z,6Z)-1,3,6-Nonatrien-1-yloxy)-8-nonenoic acid
CAS 52591-16-9C18H28O3
1-(3,5-Dimethoxyphenyl)decan-1-one
CAS 1352215-41-8C18H28O3
4-(Decyloxy)-3-methoxybenzaldehyde
CAS 93206-93-0C18H28O3
Salaceyin A
CAS 911800-09-4C18H28O3
Methyl 3-(decyloxy)benzoate
CAS 97067-80-6C18H28O3
alpha-Licanic acid
CAS 623-99-4C18H28O3
1-(4-Hydroxy-3-methoxyphenyl)-3-undecanone
CAS 53172-04-6C18H28O3
2-Cyclopentene-1-octanoic acid, 4-oxo-5-(2-penten-1-yl)-
C18H28O3
12-Oxophytodienoate
C18H28O3
9-Oxo-10,12,15-octadecatrienoic acid
CAS 64265-94-7C18H28O3
Ecklonialactone B
CAS 121923-96-4C18H28O3
9-Kot
CAS 125559-74-2C18H28O3
17beta-Hydroxy-2-oxa-5alpha-androstan-3-one
CAS 794-12-7C18H28O3
Panaquinquecol 1
CAS 133921-57-0C18H28O3
8-Hydroxy-9,11-octadecadiynoic acid
CAS 64144-77-0C18H28O3
8-Hydroxy-10,12-octadecadiynoic acid
CAS 64144-73-6C18H28O3
![8-[(1R,5S)-4-Oxo-5-(pent-2-en-1-yl)cyclopent-2-en-1-yl]octanoic acid chemical structure, C18H28O3, CAS 189277-90-5](/s/PMTMAFAPLCGXGK-CVEARBPZSA-N.svg)
8-[(1R,5S)-4-Oxo-5-(pent-2-en-1-yl)cyclopent-2-en-1-yl]octanoic acid
CAS 189277-90-5C18H28O3
- 1-(2,4-Dihydroxyphenyl)dodecan-1-one25632-60-4C18H28O3
- 13-Oxooctadeca-9,11,15-trienoic acid148981-17-3C18H28O3
- 10-Oxooctadec-8-en-6-ynoic acid117240-53-6C18H28O3
- 4-Oxo-9,11,13-octadecatrienoic acid690374-06-2C18H28O3
- 1 suppliers4-((11-Hydroxyundecyl)oxy)benzaldehyde124389-14-6C18H28O3
- Decyl 4-methoxybenzoate6974-04-5C18H28O3
- Undecyl 4-hydroxybenzoate69679-31-8C18H28O3
- 3-Ethoxy-4-(methyloctyloxy)benzaldehyde685861-15-8C18H28O3
- Decanophenone, 2',5'-dimethoxy-49710-91-0C18H28O3
- 10-Opda556816-26-3C18H28O3
- 4-[(3,8-Dimethylnonyl)oxy]benzenecarboxylic acid320423-72-1C18H28O3
- 2-(4-Ethoxyphenyl)-5-hexyl-1,3-dioxane81221-11-6C18H28O3
- 3,5-Di-tert-butyl-4-hydroxybenzyl propionate89022-83-3C18H28O3
- Hydroquinone monolaurate6642-02-0C18H28O3
- Linolenic acid 12-allene oxide139562-78-0C18H28O3
- Ethyl (3,5-di-t-butyl-4-hydroxyphenyl)-acetate6386-40-9C18H28O3
- 2-(Undecyloxy)benzoic acid725723-69-3C18H28O3
- 12-[(Hexa-1,3-dien-1-yl)oxy]dodeca-9,11-dienoic acid169217-39-4C18H28O3
- 4-Tert.-octyl-2,6-dimethyl-3-hydroxyphenylacetic acid55699-14-4C18H28O3
- Methyl (2,6-di-tert-butyl-4-methylphenoxy)acetate1572184-69-0C18H28O3
- 1-(4-Butan-2-ylphenoxy)propan-2-yl pentanoate5451-93-4C18H28O3
- 2-Methoxy-3-(3-phenyl-1-propan-2-yloxypropyl)oxane56585-22-9C18H28O3
- 2-Butanoyl-5-cyclooctylcyclohexane-1,3-dione88945-05-5C18H28O3
- 6-[(6-Ethoxy-6-methylheptan-2-yl)oxy]-2,3-dihydro-1-benzofuran51079-75-5C18H28O3
- Methyl 2-methoxy-6-nonylbenzoate1171921-43-9C18H28O3
- 9-Hydroxyoctadeca-6,10,12,15-tetraenoic acid326492-79-9C18H28O3
- Methyl 11-phenoxyundecanoate88444-13-7C18H28O3
- Keto-linolenic acid2692622-62-9C18H28O3
- 1-[2-(Butan-2-yl)phenoxy]propan-2-yl pentanoate5451-91-2C18H28O3
- 2-Propylheptyl 4-methoxybenzoate6323-92-8C18H28O3
- (4aR,4bS,6aS,7S,9aS,9bS,11aR)-7-Hydroxy-4a,6a-dimethyltetradecahydroindeno[5,4-f]chromen-2(3H)-one19587-01-0C18H28O3
- Methyl 10-(benzyloxy)decanoate144482-51-9C18H28O3
- Ethyl [4-(2,4,4-trimethylpentan-2-yl)phenoxy]acetate29375-78-8C18H28O3
- 17-beta-Hydroxy-4,5-secooestrane-3,5-dione10582-48-6C18H28O3
- 6-((6-Methoxy-6-methyloctan-2-yl)oxy)-2,3-dihydrobenzofuran51079-77-7C18H28O3
- (4,4-Diethoxycyclohexylmethoxymethyl)benzene943551-38-0C18H28O3
- 2-(3-(Decyloxy)phenyl)acetic acid1405592-41-7C18H28O3
- 5-(2-tert-Butyl-5-methylphenoxy)-2,2-dimethylpentanoic acid25812-32-2C18H28O3
- 10-(3,5-Dimethoxyphenyl)decanal137786-97-1C18H28O3
- Ibuprofen impurity 36126176-61-2C18H28O3
- 3-(3,5-Di-tert-butyl-4-methoxyphenyl)propanoic acid900021-73-0C18H28O3
- Benzyl 11-hydroxyundecanoate380228-17-1C18H28O3
- 1-(2,4-Dimethoxyphenyl)-1-decanone430425-42-6C18H28O3
- 5-Hydroxy-2,2,4,4-tetramethylpentyl 2,6-dimethylbenzoate2245881-44-9C18H28O3
- 3,6-Di-tert-butyl-4-hydroperoxy-2-methyl-4-(prop-2-en-1-yl)cyclohexa-2,5-dien-1-one4916-83-0C18H28O3
- Methyl 4-[1-hydroxy-4-methyl-2-(2-methylpropyl)pentyl]benzoate1401298-90-5C18H28O3
- Ethyl 3,5-di-tert-butyl-2-methoxybenzoate773136-62-2C18H28O3
- 3-Hydroxy-3a-methyl-6-(3-oxobutyl)dodecahydro-7H-cyclopenta[a]naphthalen-7-oneC18H28O3
- (E)-8-(4-Ethylphenoxy)-2,6-dimethyl-6-octene-2,3-diol52691-43-7C18H28O3
- 5-Pentyl-2-(4-propoxyphenyl)-1,3-dioxane74800-56-9C18H28O3
- 3-[(11-Hydroxyundecyl)oxy]benzaldehyde320722-43-8C18H28O3
- Ethyl 3-(3-hexyl-4-methoxyphenyl)propanoate723760-81-4C18H28O3
- Benzoic acid--undec-10-en-1-ol (1/1)96042-20-5C18H28O3
- Butyl [4-(2-ethylbutyl)phenoxy]acetate136588-36-8C18H28O3
- (4R)-4-Heptyl-2-(4-methoxyphenyl)-1,3-dioxane637354-97-3C18H28O3
- {5,5-Diethoxy-4-[(propan-2-yl)oxy]pent-3-en-1-yl}benzene62679-86-1C18H28O3
- 3-(2-Nonylphenoxy)propanoic acid61342-22-1C18H28O3
- 8-[(1S,2S)-3-Oxo-2-(pent-2-en-1-yl)cyclopentyl]oct-2-enoic acid827325-76-8C18H28O3
- (3S,3aS,5aS,9aR,9bS)-3-Hydroxy-3a-methyl-6-(3-oxobutyl)-2,3,4,5,5a,6,8,9,9a,9b-decahydro-1H-cyclopenta[a]naphthalen-7-oneC18H28O3
- 2-(3-Benzyloxy-1,1,2S-trimethyl-propoxy)-tetrahydro-pyran1217542-39-6C18H28O3
- 3,5-Di-tert-butyl-4-isopropoxybenzoic acid1368025-62-0C18H28O3
- Gemfibrozil isopropyl ester154021-24-6C18H28O3
- Ethyl 2-methoxy-5-(1,1,3,3-tetramethylbutyl)benzoate2120617-72-1C18H28O3
Frequently asked questions
What is the molar mass of C18H28O3?
The molar mass of C18H28O3 is 292.42 g/mol, calculated from standard atomic weights for 18 carbon atoms, 28 hydrogen atoms and 3 oxygen atoms. The monoisotopic mass is 292.2038 Da.
How many compounds have the formula C18H28O3?
CompoundList lists 87 compounds with the molecular formula C18H28O3, including 12-Oxo-phytodienoic acid, 9s,13r-12-Oxophytodienoic acid, 8-(4-Oxo-5-pent-2-enylcyclopent-2-en-1-yl)octanoic acid. 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 C18H28O3?
C18H28O3 has a degree of unsaturation of 5. 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.