Molecular formula
C20H18O4
174 compounds have this formula on CompoundList.
- Molar mass
- 322.36g/mol
- Monoisotopic mass
- 323.1268Da
- Atoms
- 42
- Elements
- 3
- Rings plus double bonds
- 12
The formula C20H18O4 describes a molecule made of 20 carbon atoms, 18 hydrogen atoms and 4 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 × 2074.52%12.011 × 20 = 240.220 g/mol
- H Hydrogen × 185.63%1.008 × 18 = 18.144 g/mol
- O Oxygen × 419.85%15.999 × 4 = 63.996 g/mol
Look up another formula
Compounds with the formula C20H18O4
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 100 of 174 compounds
(-)-Phaseollin
CAS 13401-40-6C20H18O4
Cyclocumarol
CAS 518-20-7C20H18O4
Neobavaisoflavone
CAS 41060-15-5C20H18O4
9,10-Anthracenedipropionic acid
CAS 71367-28-7C20H18O4
4-Hydroxylonchocarpin
CAS 56083-03-5C20H18O4
2,8-Dimethyl-3-(2-methylphenyl)-4-oxo-4H-chromen-7-yl acetate
CAS 315233-71-7C20H18O4
Glabrene
CAS 60008-03-9C20H18O4
![7-((4-Methoxybenzyl)oxy)-2,3-dihydrocyclopenta[c]chromen-4(1H)-one chemical structure, C20H18O4, CAS 324055-70-1](/s/RABIQKHZRFLLCK-UHFFFAOYSA-N.svg)
7-((4-Methoxybenzyl)oxy)-2,3-dihydrocyclopenta[c]chromen-4(1H)-one
CAS 324055-70-1C20H18O4
Acetic acid 10-acetoxymethyl-anthracen-9-ylmethyl ester
CAS 10273-84-4C20H18O4
Licoflavone A
CAS 61153-77-3C20H18O4
3-Benzyl-4-methyl-7-(2-oxopropoxy)-2H-chromen-2-one
CAS 314742-79-5C20H18O4
6-Prenylchrysin
CAS 50678-91-6C20H18O4
![Dimethyl tetracyclo[6.6.2.0(2,7).0(9,14)]hexadeca-2,4,6,9,11,13-hexaene-15,16-dicarboxylate chemical structure, C20H18O4, CAS 33741-21-8](/s/LPMQCBIQYLTZFQ-UHFFFAOYSA-N.svg)
Dimethyl tetracyclo[6.6.2.0(2,7).0(9,14)]hexadeca-2,4,6,9,11,13-hexaene-15,16-dicarboxylate
CAS 33741-21-8C20H18O4
8-Prenyldaidzein
CAS 135384-00-8C20H18O4
Abyssinone I
CAS 77263-07-1C20H18O4
Kanzonol B
CAS 155233-19-5C20H18O4
Isoneorautenol
CAS 98755-24-9C20H18O4
Neorautenol
CAS 53766-52-2C20H18O4
Isopropyl 3-methylflavone-8-carboxylate
CAS 1286165-14-7C20H18O4
8-(3,3-Dimethylallyl)chrysin
CAS 34125-75-2C20H18O4
Phepromaron
CAS 15620-34-5C20H18O4
![10-tert-Butyl-3-methoxy-6,8-dioxa-cyclopenta[b]phenanthren-5-one chemical structure, C20H18O4, CAS 862892-29-3](/s/HKIRCHNAYLONKU-UHFFFAOYSA-N.svg)
10-tert-Butyl-3-methoxy-6,8-dioxa-cyclopenta[b]phenanthren-5-one
CAS 862892-29-3C20H18O4
6,7-Dimethoxy-4-(4-methylphenyl)naphthalene-2-carboxylic acid
CAS 109933-59-7C20H18O4
3,4-Dibenzoylhexane-2,5-dione
CAS 51439-47-5C20H18O4
- Bavachromene41743-38-8C20H18O4
- Shinpterocarpin157414-04-5C20H18O4
- 7-(2-Oxo-2-phenylethoxy)-4-propyl-2H-chromen-2-one307546-72-1C20H18O4
- 4''-Deoxyterphenyllin59904-04-0C20H18O4
- Kanzonol D155233-20-8C20H18O4
- 7-((3-Methoxybenzyl)oxy)-2,3-dihydrocyclopenta[c]chromen-4(1H)-one374765-29-4C20H18O4
- 3,4-Didehydroglabridin214283-58-6C20H18O4
- Sterequinone G871577-16-1C20H18O4
- Anthrasesamone E923013-91-6C20H18O4
- (4-Oxo-3-phenylchromen-7-yl) 2,2-dimethylpropanoate444643-75-8C20H18O4
- Rubiginone B1130364-39-5C20H18O4
- 1-(5-Ethyl-2,4-dihydroxyphenyl)-2-(naphthalen-2-yloxy)ethan-1-one315234-15-2C20H18O4
- Obovatin69640-77-3C20H18O4
- 3-(4-Methoxyphenyl)-7-((2-methylallyl)oxy)-4H-chromen-4-one858764-23-5C20H18O4
- 2,3-Dihydro-4-(4-methoxyphenyl)-1H-phenalene-1,2,3-triol163811-78-7C20H18O4
- 4-(3-Hydroxy-2,3-dihydro-1-benzofuran-2-yl)-5,7,8-trimethyl-2H-chromen-2-one780775-00-0C20H18O4
- 3-(2-Methoxyphenyl)-7-(2-methylprop-2-enoxy)chromen-4-one610762-25-9C20H18O4
- 3-(3,4-Dimethoxybenzylidene)-5-(4-methylphenyl)-2(3H)-furanone84023-78-9C20H18O4
- 7,4'-Dihydroxy-8-prenylflavone76690-67-0C20H18O4
- 3-(4-Methoxyphenyl)-7-((2-methylallyl)oxy)-2H-chromen-2-one859658-52-9C20H18O4
- 5-Hydroxy-8,8-dimethyl-4-phenyl-9,10-dihydropyrano[2,3-h]chromen-2-one23708-08-9C20H18O4
- 4,8-Dimethyl-7-[2-(4-methylphenyl)-2-oxoethoxy]chromen-2-one327048-28-2C20H18O4
- 4-Methyl-2-oxo-3-phenyl-2H-chromen-7-yl 2-methylpropanoate869080-17-1C20H18O4
- 10-Senecioylchrysarobin127848-70-8C20H18O4
- Erypoegin H586961-33-3C20H18O4
- Lespecyrtin B11103683-91-5C20H18O4
- Lespecyrtin B21103683-94-8C20H18O4
- 5-Dehydroxyparatocarpin K124858-37-3C20H18O4
- (Z,Z)-1,6-Bis(4-methylphenyl)-3,4-dihydroxy-2,4-hexadiene-1,6-dione139266-62-9C20H18O4
- Erypoegin E474816-84-7C20H18O4
- 4-Methoxy-3-(3-oxo-1-phenylbutyl)chromen-2-one38063-51-3C20H18O4
- 7-(Benzyloxy)-4-methyl-8-propionyl-2H-chromen-2-one376381-87-2C20H18O4
- Isoneobavaisoflavone40357-43-5C20H18O4
- 4-[2-([1,1'-Biphenyl]-4-yloxy)ethyl]-5-methyl-2-furancarboxylic acid736182-79-9C20H18O4
- 1 suppliersInflacoumarin A158446-33-4C20H18O4
- Sterekunthal B475673-78-0C20H18O4
- 2-Methoxy-3-[(1R)-3-oxo-1-phenylbutyl]-4H-1-benzopyran-4-one60431-19-8C20H18O4
- Benzene, 1,4-bis(4-methoxyphenoxy)-78563-40-3C20H18O4
- Nordurlettone130289-25-7C20H18O4
- 1,3-Bis(4-methoxyphenoxy)benzene13118-91-7C20H18O4
- 4-Hydroxy-8,8-dimethyl-3-phenyl-7,8-dihydro-2H,6H-pyrano(3,2-g)chromen-2-one27305-41-5C20H18O4
- Methyl 5-((2-benzylphenoxy)methyl)furan-2-carboxylate862657-95-2C20H18O4
- 4-Methyl-7-(2-oxiranylmethoxy)-3-(phenylmethyl)-2H-1-benzopyran-2-one951626-37-2C20H18O4
- 5,7-Dihydroxy-6-(2-methylbut-3-en-2-yl)-2-phenyl-4H-1-benzopyran-4-one447451-02-7C20H18O4
- 4-(4-Methoxybenzyl)-1-methoxy-2-naphthoic acid1350968-76-1C20H18O4
- Munsericin158991-21-0C20H18O4
- Diethyl 4,4'-(ethyne-1,2-diyl)dibenzoate83536-13-4C20H18O4
- 1,4-Bis(3-methoxyphenoxy)benzene5024-84-0C20H18O4
- Methyl 2-methyl-5-{[(2E)-3-phenylprop-2-en-1-yl]oxy}-1-benzofuran-3-carboxylate307552-15-4C20H18O4
- [1,1'-Biphenyl]-4,4'-diyl bis(2-methylacrylate)13082-48-9C20H18O4
- 4-(7-tert-Butyl-4-oxo-4H-1-benzopyran-2-yl)benzoic acid113027-07-9C20H18O4
- 3-[(1E)-3-(4-Methoxyphenyl)-3-oxoprop-1-en-1-yl]phenyl cyclopropanecarboxylate637748-84-6C20H18O4
- 3,4-Dimethyl-7-[(1-oxo-1-phenylpropan-2-yl)oxy]-2H-chromen-2-one307546-47-0C20H18O4
- 4-(Diphenoxymethyl)-2-methoxyphenol94134-78-8C20H18O4
- 3-(Benzyloxy)-2-(2-hydroxy-2-phenylethyl)-4H-pyran-4-one1206102-04-6C20H18O4
- 3-Ethyl-4-methyl-7-(2-oxo-2-phenylethoxy)-2H-chromen-2-one296265-88-8C20H18O4
- (Z)-2-(4-Isopropylbenzylidene)-3-oxo-2,3-dihydrobenzofuran-6-yl acetate859138-52-6C20H18O4
- (Z)-2-(3-Methoxybenzylidene)-6-((2-methylallyl)oxy)benzofuran-3(2H)-one858755-96-1C20H18O4
- (Z)-2-(4-Methoxybenzylidene)-6-((2-methylallyl)oxy)benzofuran-3(2H)-one858766-75-3C20H18O4
- 3,4,8-Trimethyl-7-(2-oxo-2-phenylethoxy)-2H-chromen-2-one182146-04-9C20H18O4
- 7-(1-Benzoylpropoxy)-4-methyl-2H-chromen-2-one667432-49-7C20H18O4
- 5-Hydroxy-7-[(3-methylbut-2-en-1-yl)oxy]-2-phenyl-4H-chromen-4-one50402-95-4C20H18O4
- (Z)-2-(2-Methoxybenzylidene)-6-((2-methylallyl)oxy)benzofuran-3(2H)-one858769-22-9C20H18O4
- 3-(5-Methyl-5-phenyl-1,3-dioxan-2-yl)chromen-4-one893779-35-6C20H18O4
- 1 suppliers(10-Acetyloxy-3-ethylanthracen-9-yl) acetate70419-43-1C20H18O4
- 3-Furoic acid, 2,5-dihydro-5-oxo-2,2-di-p-tolyl-, methyl ester33545-33-4C20H18O4
- 4-Ethyl-7-methyl-5-(2-oxo-2-phenylethoxy)-2H-chromen-2-one307546-54-9C20H18O4
- 2-Methyl-7-(2-methyl-allyloxy)-3-phenoxy-chromen-4-one374700-96-6C20H18O4
- (Z)-2-(2-Methylbenzylidene)-3-oxo-2,3-dihydrobenzofuran-6-yl isobutyrate622359-50-6C20H18O4
- (Z)-Methyl 2-(4-isopropylbenzylidene)-3-oxo-2,3-dihydrobenzofuran-5-carboxylate868143-99-1C20H18O4
- 3-Ethoxy-4-(naphthalen-1-ylmethoxy)benzoic acid938341-81-2C20H18O4
- (Z)-2-(4-Methylbenzylidene)-3-oxo-2,3-dihydrobenzofuran-6-yl isobutyrate622823-38-5C20H18O4
- (Z)-2-(4-Ethylbenzylidene)-6-(2-oxopropoxy)benzofuran-3(2H)-one879807-87-1C20H18O4
- 7-[(2-Methoxybenzyl)oxy]-2,3-dihydrocyclopenta[c]chromen-4(1H)-one374765-91-0C20H18O4
- 4-Ethyl-7-[(1-oxo-1-phenylpropan-2-yl)oxy]-2H-chromen-2-one307546-49-2C20H18O4
- 7,8-Dimethoxy-4-(4-methylphenyl)naphthalene-2-carboxylic acid610275-81-5C20H18O4
Frequently asked questions
What is the molar mass of C20H18O4?
The molar mass of C20H18O4 is 322.36 g/mol, calculated from standard atomic weights for 20 carbon atoms, 18 hydrogen atoms and 4 oxygen atoms. The monoisotopic mass is 323.1268 Da.
How many compounds have the formula C20H18O4?
CompoundList lists 174 compounds with the molecular formula C20H18O4, including (-)-Phaseollin, Cyclocumarol, Neobavaisoflavone. 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 C20H18O4?
C20H18O4 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.