Molecular formula
C20H20O3
90 compounds have this formula on CompoundList.
- Molar mass
- 308.38g/mol
- Monoisotopic mass
- 308.1412Da
- Atoms
- 43
- Elements
- 3
- Rings plus double bonds
- 11
The formula C20H20O3 describes a molecule made of 20 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 × 2077.90%12.011 × 20 = 240.220 g/mol
- H Hydrogen × 206.54%1.008 × 20 = 20.160 g/mol
- O Oxygen × 315.56%15.999 × 3 = 47.997 g/mol
Look up another formula
Compounds with the formula C20H20O3
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 90 of 90 compounds
Isocordoin
CAS 52601-05-5C20H20O3
Derricidin
CAS 38965-74-1C20H20O3
1(3H)-Isobenzofuranone, 3-(cyclohexyloxy)-3-phenyl-
CAS 33632-03-0C20H20O3
2-(3,4-Dimethoxyphenyl)-3-methyl-5-(prop-1-en-1-yl)-1-benzofuran
CAS 163462-37-1C20H20O3
Multiorthoquinone
CAS 200007-74-5C20H20O3
Benzylidene dimethoxydimethylindanone
CAS 924626-15-3C20H20O3
2-(1-Hydroxy-2-oxo-1,2-diphenylethyl)cyclohexanone
CAS 345935-37-7C20H20O3
Ovaliflavanone B
CAS 78045-73-5C20H20O3
Nigerapyrone H
CAS 1318240-79-7C20H20O3
Naphtho(1,8-bc)pyran-7,8-dione, 6,9-dimethyl-3-(4-methyl-3-pentenyl)-
CAS 99671-97-3C20H20O3
Nigerapyrone F
CAS 1318240-77-5C20H20O3
Nigerapyrone G
CAS 1318240-78-6C20H20O3
Eupomatenoid 4
CAS 41744-29-0C20H20O3
![7-Methyl-1,2,3,4,9,10,11,12-octahydro-5H-benzo[c][1]benzofuro[3,2-g]chromen-5-one chemical structure, C20H20O3, CAS 374760-06-2](/s/ATCWTPASWOWPFJ-UHFFFAOYSA-N.svg)
7-Methyl-1,2,3,4,9,10,11,12-octahydro-5H-benzo[c][1]benzofuro[3,2-g]chromen-5-one
CAS 374760-06-2C20H20O3
![4-[(1E)-3-(3,4-Diethylphenyl)-3-oxo-1-propen-1-yl]benzoic acid chemical structure, C20H20O3, CAS 119567-93-0](/s/DYHCWMITYZUGTR-KPKJPENVSA-N.svg)
4-[(1E)-3-(3,4-Diethylphenyl)-3-oxo-1-propen-1-yl]benzoic acid
CAS 119567-93-0C20H20O3
Psb-SB-489
CAS 1399049-86-5C20H20O3
(2-Butylbenzofuran-3-yl) (4-methoxyphenyl) ketone
CAS 83790-87-8C20H20O3
(E)-4-(3-(4-Isobutylphenyl)-3-oxoprop-1-en-1-yl)benzoic acid
CAS 2651958-56-2C20H20O3
(2-Ethylbenzofuran-3-yl)(4-methoxy-3,5-dimethylphenyl)methanone
CAS 52489-45-9C20H20O3
1,2-Dihydroxy-5,7-dimethyl-3,4-epoxy-1,2,3,4-tetrahydrochrysene
CAS 139627-44-4C20H20O3
Ethyl 5-oxo-2,3-diphenylcyclopentanecarboxylate
CAS 7356-94-7C20H20O3
2',4'-Dihydroxy-3'-(1,1-dimethyl-2-propenyl)chalcone
CAS 57621-12-2C20H20O3
Equilenin acetate
CAS 6030-91-7C20H20O3
![(E)-12-Methoxy-7-methyl-9,10-dihydrodibenzo[b,j][1]oxacycloundecin-5(8H)-one chemical structure, C20H20O3, CAS 1415612-46-2](/s/VYQIIXQXVUQGPL-WYMLVPIESA-N.svg)
(E)-12-Methoxy-7-methyl-9,10-dihydrodibenzo[b,j][1]oxacycloundecin-5(8H)-one
CAS 1415612-46-2C20H20O3
- 7-Ethoxy-4-phenyl-6-propyl-2H-chromen-2-one6238-26-2C20H20O3
- Benzylidene dimethoxydimethylindanone, (E)-924627-52-1C20H20O3
- Alpinoid D1041740-13-9C20H20O3
- 7-(Benzyloxy)-4-methyl-3-propyl-2H-chromen-2-one304879-70-7C20H20O3
- 2-(6-(Benzyloxy)naphthalen-1-yl)propane-1,3-diol951624-30-9C20H20O3
- Ovalifoliolatin B674292-89-8C20H20O3
- 2-(3-tert-Butyl-4-hydroxy-5-methylphenyl)indene-1,3-dione69574-16-9C20H20O3
- 7-[(2,5-Dimethylphenyl)methoxy]-3,4-dimethyl-2H-chromen-2-one129910-57-2C20H20O3
- 4-(3-Oxo-3-phenyl-1-propenyl)phenyl pivalate331459-75-7C20H20O3
- 3-((4-(Pentyloxy)phenyl)methylene)phthalide89673-52-9C20H20O3
- Ethyl 1-(4'-acetyl-[1,1'-biphenyl]-4-yl)cyclopropanecarboxylate1380650-56-5C20H20O3
- Hexyl 9-oxo-9H-fluorene-4-carboxylate94580-60-6C20H20O3
- 3,4,8-Trimethyl-7-[(2-methylphenyl)methoxy]chromen-2-one690678-47-8C20H20O3
- (3E)-3-[(3-tert-Butyl-4-hydroxy-5-methylphenyl)methylidene]-2-benzofuran-1-one69574-12-5C20H20O3
- 1H-Inden-1-one, 2,3-dihydro-5,6-dimethoxy-3,3-dimethyl-2-(phenylmethylene)-, (2Z)-924628-54-6C20H20O3
- (1-Benzoylcyclohexyl) benzoate7500-67-6C20H20O3
- 4-Methyl-7-{[4-(propan-2-yl)phenyl]methoxy}-2H-chromen-2-one129910-71-0C20H20O3
- Htb2XC4ajt171860-06-3C20H20O3
- 4,4-Bis(4-methoxyphenyl)cyclohex-2-enone4528-65-8C20H20O3
- Methyl 5-Oxo-3-(p-tolyl)-6,7,8,9-tetrahydro-5H-benzo[7]annulene-6-carboxylate350022-60-5C20H20O3
- 2,3,4,5,10,11,12,13-Octahydro[1]benzofuro[3,2-g]cyclohepta[c]chromen-6(1H)-one858750-09-1C20H20O3
- 3-Furancarboxylic acid, 4,5-dihydro-2-methyl-5,5-diphenyl-, ethyl ester148355-33-3C20H20O3
- 1,5-Hexanedione, 4-acetyl-1,3-diphenyl-21225-50-3C20H20O3
- 1H-Inden-1-one, 5-methoxy-2-methyl-4-(1-methylethoxy)-3-phenyl-850404-06-7C20H20O3
- 3-[4-(2-Methyl-benzyloxy)-phenyl]-hex-4-ynoic acid865231-90-9C20H20O3
- 2,2-Dimethyl-7-[(oxiran-2-yl)methoxy]-4-phenyl-2H-1-benzopyran62071-72-1C20H20O3
- 4-(4-(1,1-Dimethylethyl)phenyl)-6-methoxy-2H-1-benzopyran-2-one1242184-47-9C20H20O3
- 4-Hydroxy-3-(3-methyl-1-phenylbutyl)-coumarin41600-30-0C20H20O3
- Ethyl (E)-5-([1,1'-biphenyl]-4-yl)-2-methyl-4-oxopent-2-enoate3036673-33-0C20H20O3
- (5-Benzylfuran-3-yl)methyl (1R,5R,6S)-3-methylbicyclo(3.1.0)hex-3-ene-6-carboxylate98875-09-3C20H20O3
- Bicyclo(3.1.0)hex-2-ene-6-carboxylic acid, 3-methyl-, (5-(phenylmethyl)-3-furanyl)methyl ester, (1alpha,5alpha,6beta)-98973-77-4C20H20O3
- (5S,1R,2R)-5-Phenyl-2-(phenylcarbonyl)cyclohexanecarboxylic acid35033-79-5C20H20O3
- 1-(1,3-Benzodioxol-5-yl)-3-[4-(1,1-dimethylethyl)phenyl]-2-propen-1-one423740-32-3C20H20O3
- (2Z)-1-(5-Hydroxy-2,2-dimethyl-3,4-dihydro-2H-1-benzopyran-6-yl)-3-phenylprop-2-en-1-one51619-58-0C20H20O3
- Ethyl 2-oxo-6-p-tolyl-1,2,3,4-tetrahydronaphthalene-1-carboxylate1062649-10-8C20H20O3
- 1,4-Dioxaspiro[4.5]decan-8-one, 2,3-diphenyl-, (2R,3R)-214892-30-5C20H20O3
- 2-Methyl-2-(4-methylpent-3-en-1-yl)-2H-naphtho[2,3-b]pyran-5,10-dione77566-45-1C20H20O3
- Ethyl 4-[(anthracen-2-yl)oxy]butanoate105930-59-4C20H20O3
- 7-(Pentyloxy)-3-phenyl-4H-1-benzopyran-4-one35212-23-8C20H20O3
- 7-((4-Propylbenzyl)oxy)-2H-chromene-3-carbaldehyde1228582-90-8C20H20O3
- 3-Phenyl-1-(4-((tetrahydro-2H-pyran-2-yl)oxy)phenyl)prop-2-en-1-one364333-61-9C20H20O3
- 4-Biphenyl-4-yl-5,6-dihydro-2H-pyran-3-carboxylic acid ethyl ester1068522-91-7C20H20O3
- 1-[4-(4-Ethenylphenoxy)phenyl]ethyl 2-methylprop-2-enoate70817-54-8C20H20O3
- 4-((5-Phenylpentyl)oxy)benzofuran-7-carbaldehyde1820856-37-8C20H20O3
- 7-((5-Phenylpentyl)oxy)benzofuran-4-carbaldehyde1820856-38-9C20H20O3
- Conocarpan acetate56319-04-1C20H20O3
- I(3)-Oxotricyclo[8.2.2.24,7]hexadeca-4,6,10,12,13,15-hexaene-5-butanoic acid104600-93-3C20H20O3
- Ethyl 3-hydroxy-3-methyl-2,5-diphenylpent-4-ynoate102159-00-2C20H20O3
- 2-[3-(4-Hydroxyphenyl)-3-oxo-1-phenylpropyl]cyclopentan-1-one61078-53-3C20H20O3
- 7-Hydroxy-6-pentyl-4-phenyl-2H-1-benzopyran-2-one141602-92-8C20H20O3
- (2S,3S)-2,3-Diphenyl-1,4-dioxaspiro[4.5]decan-8-one569316-27-4C20H20O3
- 1-(Benzyloxy)-5,8-dimethoxy-3-methylnaphthalene89475-21-8C20H20O3
- 3-Benzyl-5-(phenylacetyl)oxan-2-one89665-33-8C20H20O3
- Acetic acid--1,2,3,4-tetrahydrotetraphen-1-ol (1/1)105824-93-9C20H20O3
- 5-Benzoyl-2-[hydroxy(phenyl)methyl]cyclohexan-1-one112404-41-8C20H20O3
- 7-(Pentyloxy)-3-phenyl-2H-1-benzopyran-2-one112565-27-2C20H20O3
- Ethyl 1-acetyl-2,2-diphenylcyclopropane-1-carboxylate591228-29-4C20H20O3
- Methyl (4R,5R)-7-oxo-4,5-diphenylhept-2-enoate827605-57-2C20H20O3
- 2-Benzoyl-5-phenylcyclohexane-1-carboxylic acid820994-14-7C20H20O3
- (1R,2R)-2-([1,1'-Biphenyl]-4-carbonyl)cyclohexane-1-carboxylic acid820991-13-7C20H20O3
- 1,5-Bis(4-methoxyphenyl)-2-methylpenta-1,4-dien-3-one919079-84-8C20H20O3
- (E)-Ethyl 3-(4-methyl-2-styrylphenyl)-3-oxopropanoate1951458-59-5C20H20O3
- [4-[(2R,3R)-3-Methyl-5-[(E)-prop-1-enyl]-2,3-dihydro-1-benzofuran-2-yl]phenyl] acetateC20H20O3
- tert-Butyl 2-(benzyloxy)-5-ethynylbenzoate3078336-12-3C20H20O3
- (+)-Conocarpan acetateC20H20O3
- [4-[(2S,3S)-3-Methyl-5-[(E)-prop-1-enyl]-2,3-dihydro-1-benzofuran-2-yl]phenyl] acetateC20H20O3
Frequently asked questions
What is the molar mass of C20H20O3?
The molar mass of C20H20O3 is 308.38 g/mol, calculated from standard atomic weights for 20 carbon atoms, 20 hydrogen atoms and 3 oxygen atoms. The monoisotopic mass is 308.1412 Da.
How many compounds have the formula C20H20O3?
CompoundList lists 90 compounds with the molecular formula C20H20O3, including Isocordoin, Derricidin, 1(3H)-Isobenzofuranone, 3-(cyclohexyloxy)-3-phenyl-. 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 C20H20O3?
C20H20O3 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.