Molecular formula
C20H18O2
158 compounds have this formula on CompoundList.
- Molar mass
- 290.36g/mol
- Monoisotopic mass
- 295.1621Da
- Atoms
- 40
- Elements
- 3
- Rings plus double bonds
- 12
The formula C20H18O2 describes a molecule made of 20 carbon atoms, 18 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 × 2082.73%12.011 × 20 = 240.220 g/mol
- H Hydrogen × 186.25%1.008 × 18 = 18.144 g/mol
- O Oxygen × 211.02%15.999 × 2 = 31.998 g/mol
Look up another formula
Compounds with the formula C20H18O2
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 100 of 158 compounds
4,4'-(1-Phenylethylidene)bisphenol
CAS 1571-75-1C20H18O2
2-(4-Methyl-3-pentenyl)anthraquinone
CAS 71308-16-2C20H18O2
4-Methoxy-alpha,alpha-diphenylbenzenemethanol
CAS 847-83-6C20H18O2
1-(4-Methoxyphenyl)-7-phenyl-1,4,6-heptatrien-3-one
CAS 622-70-8C20H18O2
(2S)-1,1,2-Triphenyl-1,2-ethanediol
CAS 108998-83-0C20H18O2
4,4''-Dimethoxy-1,1':3',1''-terphenyl
CAS 1568-74-7C20H18O2
3,4-Dihydro-7,12-dimethylbenz(a)anthracene-3,4-diol
CAS 72617-60-8C20H18O2
7,12-Dimethylbenz(a)anthracene-dihydrodiol
CAS 2518-00-5C20H18O2
1,2-Bis(phenoxymethyl)benzene
CAS 10403-74-4C20H18O2
2-(2,3,5,6-Tetramethyl-benzylidene)-indan-1,3-dione
CAS 54689-99-5C20H18O2
2-(2,3,4,6-Tetramethyl-benzylidene)-indan-1,3-dione
CAS 54690-00-5C20H18O2
2-(2,3,4,5-Tetramethyl-benzylidene)-indan-1,3-dione
CAS 54689-89-3C20H18O2
4,5-Dibenzoylcyclohexene
CAS 5465-44-1C20H18O2
4-(4-Benzyloxyphenyl)-2-methylphenol
CAS 1261942-62-4C20H18O2
1,2-Bis(benzyloxy)benzene
CAS 10403-73-3C20H18O2
1,1,2-Triphenyl-1,2-ethanediol
CAS 6296-95-3C20H18O2
Hydroquinone dibenzyl ether
CAS 621-91-0C20H18O2
7,12-Dimethylbenz(a)anthracene-5,6-dihydrodiol
CAS 28622-94-8C20H18O2
rel-(3R,4R)-3,4-Dihydro-7,12-dimethylbenz(a)anthracene-3,4-diol
CAS 68162-13-0C20H18O2
1,3-Dibenzyloxybenzene
CAS 3769-42-4C20H18O2
2,5-Dibenzylbenzene-1,4-diol
CAS 7330-77-0C20H18O2
7,12-Dimethylbenz(a)anthracene-1,2-dihydrodiol
CAS 68984-91-8C20H18O2
3,4-Dihydroxy-3,4-dihydro-7-ethylbenz(a)anthracene
CAS 111876-20-1C20H18O2
![trans-5,6-Dihydro-5,6-dihydroxy-7,12-dimethylbenz[a]anthracene chemical structure, C20H18O2, CAS 16644-15-8](/s/SGVWCDYKBWRHKJ-PMACEKPBSA-N.svg)
trans-5,6-Dihydro-5,6-dihydroxy-7,12-dimethylbenz[a]anthracene
CAS 16644-15-8C20H18O2
- 6,6-Bis(p-methoxyphenyl)fulvene15972-55-1C20H18O2
- 1,2,3,4-Tetrahydro-5-chrysenecarboxylic acid methyl ester71431-99-7C20H18O2
- 7,12-Dimethylbenz(a)anthracene-10,11-dihydrodiol72471-79-5C20H18O2
- 1,2-Dihydro-1,2-dihydroxy-5,6-dimethychrysene139347-84-5C20H18O2
- [4-[3-[4-(Hydroxymethyl)phenyl]phenyl]phenyl]methanol6249-92-9C20H18O2
- 1 suppliers(R)-(+)-1,1,2-Triphenyl-1,2-ethanediol95061-46-4C20H18O2
- 1,4-Bis(phenoxymethyl)benzene10403-79-9C20H18O2
- 4,4''-Dimethoxy-1,1':4',1''-terphenyl13021-19-7C20H18O2
- (3R,4R)-7,12-Dimethyl-3,4-dihydrobenzo(a)anthracene-3,4-diol92693-63-5C20H18O2
- 15,16-Dihydro-11-propoxy-17H-cyclopenta(a)phenanthren-17-one83053-58-1C20H18O2
- 3-(Benzyloxy)-4'-methoxy-1,1'-biphenyl132470-28-1C20H18O2
- trans-8,9-Dihydro-8,9-dihydroxy-dmba65763-32-8C20H18O2
- 3,3''-Dimethoxy-1,1':2',1''-terphenyl929103-41-3C20H18O2
- 4-(Benzyloxy)-4'-methoxy-1,1'-biphenyl948878-17-9C20H18O2
- Benzene-1,2-diylbis(phenylmethanol)42908-58-7C20H18O2
- Benz(a)anthracene, 10,11-dihydro-10,11-dihydroxy-7,12-dimethyl-, (E)-68162-14-1C20H18O2
- 5,6-Dimethylchrysene-5,6-diol16218-45-4C20H18O2
- 6-Acetyl-3,5-diphenylcyclohex-2-en-1-one51522-42-0C20H18O2
- ((4-Methoxyphenoxy)methylene)dibenzene85686-16-4C20H18O2
- 2,6-Dimethoxy-1,1':2',1''-terphenyl223268-67-5C20H18O2
- 5-(2-Benzyloxyphenyl)-2-methylphenol1261888-41-8C20H18O2
- 5-(2-Benzyloxyphenyl)-3-methylphenol1261893-56-4C20H18O2
- 5-(3-Benzyloxyphenyl)-2-methylphenol1261978-28-2C20H18O2
- 5-(3-Benzyloxyphenyl)-3-methylphenol1261942-57-7C20H18O2
- 5-(4-Benzyloxyphenyl)-2-methylphenol1261942-72-6C20H18O2
- 5-(4-Benzyloxyphenyl)-3-methylphenol1261949-52-3C20H18O2
- 1-(Benzyloxy)-3'-methoxybiphenyl1345472-01-6C20H18O2
- 2,5-Di-p-tolylhydroquinone97479-19-1C20H18O2
- (4,4-Diphenylcyclohexa-1,5-dien-1-yl) acetate33795-14-1C20H18O2
- 1,1':3',1''-Terphenyl, 3,3''-dimethoxy-171820-21-6C20H18O2
- Benzyl 3-(naphthalen-2-yl)propanoate1093739-87-7C20H18O2
- Ethanone, 1,1'-(4,5,9,10-tetrahydro-2,7-pyrenediyl)bis-86470-98-6C20H18O2
- 2-Phenoxy-1,1-diphenylethanol5432-02-0C20H18O2
- 1,12-Dimethyl-6a,12b-dihydrobenzo[c]phenanthrene-5,8(6H,7H)-dione500794-61-6C20H18O2
- 1-(4-Methylphenyl)-2-(2-naphthyloxy)-1-propanone651305-26-9C20H18O2
- 1,2-Diphenyl-1-(4-hydroxyphenyl)ethanol355803-76-8C20H18O2
- 1,1':2',1''-Terphenyl, 4,4''-dimethoxy-160538-35-2C20H18O2
- 4-(2-Benzyloxyphenyl)-2-methylphenol1261935-18-5C20H18O2
- 4-(3-Benzyloxyphenyl)-2-methylphenol1261942-54-4C20H18O2
- Methyl 3-(naphthalen-2-yl)-2-phenylpropanoate886211-93-4C20H18O2
- 3-Methoxy-alpha,alpha-diphenylbenZenemethanol78238-98-9C20H18O2
- 7,12-Dimethylbenz(a)anthracene-8,9-dihydrodiol14046-83-4C20H18O2
- 2-[1-(4-Methylnaphthalen-1-yl)ethyl]benzoic acid35187-31-6C20H18O2
- [3-[Hydroxy(phenyl)methyl]phenyl]-phenyl-methanol36323-32-7C20H18O2
- 1-(3,4-Dimethylphenyl)-2-(2-naphthyloxy)ethanone540520-41-0C20H18O2
- 2,4-Dimethylphenyl 2-naphthylacetate650622-16-5C20H18O2
- 2-Butyne-1,4-dione, 1,4-bis(2,5-dimethylphenyl)-885357-75-5C20H18O2
- 1-(Anthracen-2-yl)ethyl 2-methylprop-2-enoate54720-11-5C20H18O2
- [1,1'-Biphenyl]-4-YL(3-methoxyphenyl)methanol147678-16-8C20H18O2
- (11R,12S)-7,8,9,10,11,12-Hexahydrobenzo(b)pyrene-11,12-diol94850-14-3C20H18O2
- 8,9,10,11-Tetrahydrotetraphen-8-ylacetic acid6299-45-2C20H18O2
- 4-Naphthalen-1-yl-2-phenylbutanoic acid7499-63-0C20H18O2
- 1,12-Dimethyl-6,6a,12,12a-tetrahydrobenzo[a]anthracene-5,7-dione7499-24-3C20H18O2
- [2,2'-Binaphthalene]-8,8'(5H,5'H)-dione, 6,6',7,7'-tetrahydro-88065-12-7C20H18O2
- 2,2''-Dimethoxy-1,1':4',1''-terphenyl70017-24-2C20H18O2
- beta-Phenoxy-alpha-phenylbenzeneethanol29509-31-7C20H18O2
- [3'-(Benzyloxy)[1,1'-biphenyl]-4-yl]methanol887339-15-3C20H18O2
- 2,4-Dibenzylbenzene-1,3-diol88243-02-1C20H18O2
- 1,4-Bis(p-tolyloxy)benzene30427-94-2C20H18O2
- Benz[a]anthracene-7,12-diol, 7,12-dihydro-7,12-dimethyl-, cis-55125-19-4C20H18O2
- 17-Cyclopenta(a)phenanthren-17-one, 15,16-dihydro-11-isopropoxy-83053-59-2C20H18O2
- 1,1'-Pyrene-2,7-diyldiethanol86471-02-5C20H18O2
- (4,5-Dimethylnaphthalen-1-yl)(4-methoxyphenyl)methanone6287-97-4C20H18O2
- 4,5-Dimethoxy-2-phenyl-1,1'-biphenyl106053-00-3C20H18O2
- 1,1'-Biphenyl, 3-methoxy-4-(phenylmethoxy)-125101-83-9C20H18O2
- Agn-PC-00JG5C913721-77-4C20H18O2
- 2,4-Pentanedione, 3-(3,3-diphenyl-2-propenylidene)-57880-92-9C20H18O2
- 1-Phenyl-1-(5-methyl-3-phenyl-2-furyl)acetone74234-80-3C20H18O2
- 1-(4-Methoxyphenyl)-3-(naphthalen-1-yl)propan-1-one113777-23-4C20H18O2
- 2-Ethyl-2-(2-phenyl-2-propen-1-yl)-1H-indene-1,3(2H)-dione133220-62-9C20H18O2
- 3-Methyl-8-(2-methylprop-1-en-1-yl)-2-phenyl-4H-1-benzopyran-4-one92573-12-1C20H18O2
- 2-Methyl-3-(1-phenylpropyl)-1,4-naphthalenedione4042-32-4C20H18O2
- Ethyl 3-(9,10-methanoanthracen-9(10H)-yl)prop-2-enoate62686-40-2C20H18O2
- 3-(Diphenylmethyl)-2,6-dimethyl-4H-pyran-4-one88239-36-5C20H18O2
- 5,11-Dimethyl-1,2-dihydrochrysene-1,2-diol84249-73-0C20H18O2
- Benzo(a)pyrene-4,5-diol, 4,5,7,8,9,10-hexahydro-, cis-94850-08-5C20H18O2
Frequently asked questions
What is the molar mass of C20H18O2?
The molar mass of C20H18O2 is 290.36 g/mol, calculated from standard atomic weights for 20 carbon atoms, 18 hydrogen atoms and 2 oxygen atoms. The monoisotopic mass is 295.1621 Da.
How many compounds have the formula C20H18O2?
CompoundList lists 158 compounds with the molecular formula C20H18O2, including 4,4'-(1-Phenylethylidene)bisphenol, 2-(4-Methyl-3-pentenyl)anthraquinone, 4-Methoxy-alpha,alpha-diphenylbenzenemethanol. 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 C20H18O2?
C20H18O2 has a degree of unsaturation of 12. 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.