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 101 to 174 of 174 compounds
Barbacarpan
CAS 213912-46-0C20H18O4
3-Benzyl-4,8-dimethyl-2-oxo-2H-chromen-7-yl acetate
CAS 314742-83-1C20H18O4
5-(Benzyloxy)-2-(benzyloxymethyl)-4H-pyran-4-one
CAS 892152-75-9C20H18O4
![4,7-Dimethyl-5-[(1-oxo-1-phenylpropan-2-yl)oxy]-2H-chromen-2-one chemical structure, C20H18O4, CAS 853892-43-0](/s/NDKALJHJCVJIHI-UHFFFAOYSA-N.svg)
4,7-Dimethyl-5-[(1-oxo-1-phenylpropan-2-yl)oxy]-2H-chromen-2-one
CAS 853892-43-0C20H18O4
![5-[7-Methoxy-3-methyl-5-[(E)-prop-1-enyl]-1-benzofuran-2-yl]-1,3-benzodioxole chemical structure, C20H18O4, CAS 23357-64-4](/s/NVTXHVICBMWICL-SNAWJCMRSA-N.svg)
5-[7-Methoxy-3-methyl-5-[(E)-prop-1-enyl]-1-benzofuran-2-yl]-1,3-benzodioxole
CAS 23357-64-4C20H18O4
(E)-3,4-Dihydroxy-3,4-dihydrobenz(a)anthracene-7,12-dimethanol
CAS 69260-85-1C20H18O4
Benz(a)anthracene-7,12-dimethanol, 8,9-dihydro-8,9-dihydroxy-, trans-
CAS 73033-93-9C20H18O4
Dimethyl 2,2'-phenanthrene-9,10-diyldiacetate
CAS 65509-51-5C20H18O4
![4-(4-Methoxyphenyl)-7-[(2-methylallyl)oxy]-2H-chromen-2-one chemical structure, C20H18O4, CAS 384361-35-7](/s/VHEDCDUGBJGJQM-UHFFFAOYSA-N.svg)
4-(4-Methoxyphenyl)-7-[(2-methylallyl)oxy]-2H-chromen-2-one
CAS 384361-35-7C20H18O4
3-Methoxy-4-(2-naphthalen-1-yloxyethoxy)benzaldehyde
CAS 864664-69-7C20H18O4
4H-1-Benzopyran-6-acetic acid, alpha-ethyl-3-methyl-4-oxo-2-phenyl-
CAS 173469-73-3C20H18O4
2,6,7-Trioxabicyclo(2.2.2)octane, 1-(4-ethynylphenyl)-4-(4-methoxyphenyl)-
CAS 134133-90-7C20H18O4
9,10-Anthracenedione, 1,5-dimethoxy-2-(2-methyl-2-propenyl)-
CAS 116162-03-9C20H18O4
Flemichapparin A
CAS 32507-61-2C20H18O4
![6-Methoxy-3-{4-[(2-methylallyl)oxy]phenyl}-2H-chromen-2-one chemical structure, C20H18O4, CAS 951990-12-8](/s/YGLXQTWBAKELGO-UHFFFAOYSA-N.svg)
6-Methoxy-3-{4-[(2-methylallyl)oxy]phenyl}-2H-chromen-2-one
CAS 951990-12-8C20H18O4
2-Methoxy-6-(naphthalen-2-ylmethoxymethyl)-benzoic acid
CAS 1171923-38-8C20H18O4
![Ethyl (1S,1aS,6aR)-4-(benzoyloxy)-1,1a,6,6a-tetrahydrocyclopropa[a]indene-1-carboxylate chemical structure, C20H18O4, CAS 1149378-98-2](/s/NRFJJZRXRLSNSN-SQNIBIBYSA-N.svg)
Ethyl (1S,1aS,6aR)-4-(benzoyloxy)-1,1a,6,6a-tetrahydrocyclopropa[a]indene-1-carboxylate
CAS 1149378-98-2C20H18O4
4-Ethyl-8-methyl-7-(2-oxo-2-phenylethoxy)-2H-chromen-2-one
CAS 374762-42-2C20H18O4
2-Oxo-2H-chromen-4-yl 4-tert-butylbenzoate
CAS 864834-75-3C20H18O4
Benzeneacetic acid, 3-methoxy-4-(2-naphthalenylmethoxy)-
CAS 833484-67-6C20H18O4
![[1,1'-Biphenyl]-4,4'-diylbis(methylene) diacrylate chemical structure, C20H18O4, CAS 36531-93-8](/s/QJVRMZMZVYNLGH-UHFFFAOYSA-N.svg)
[1,1'-Biphenyl]-4,4'-diylbis(methylene) diacrylate
CAS 36531-93-8C20H18O4
3,4-Bis(2-phenylethoxy)cyclobut-3-ene-1,2-dione
CAS 61699-49-8C20H18O4
2-Methoxy-6-(naphthalen-1-ylmethoxymethyl)-benzoic acid
CAS 1171923-60-6C20H18O4
Benz(a)anthracene-7,12-dimethanol, 5,6-dihydro-5,6-dihydroxy-, trans-
CAS 73033-95-1C20H18O4
- 4,8-Dimethylidene-2,6-diphenyl-4a,8a-dihydro-[1,3]dioxino[5,4-d][1,3]dioxine35827-54-4C20H18O4
- 1,8-Diphenyloctane-1,3,6,8-tetrone56830-68-3C20H18O4
- (E)-1-(4-Methoxyphenyl)-7-phenylhept-6-ene-1,3,5-trione94549-74-3C20H18O4
- Propanedioic acid, (3,3-diphenyl-2-propenylidene)-, dimethyl ester37755-25-2C20H18O4
- Diallyl diphenate51256-00-9C20H18O4
- 4,6-Bis[(4-hydroxyphenyl)methyl]benzene-1,3-diol151319-83-4C20H18O4
- 2-Methoxy-6-(naphthalen-1-yloxymethyl)-benzoic acid methyl ester1171924-19-8C20H18O4
- 3'-(2-Methylacryloyloxy)biphenyl-3-yl 2-methylacrylate1126625-62-4C20H18O4
- Pyrene-1,3,6,8-tetramethanol1872428-99-3C20H18O4
- Benzo(6,7)phenanthro(3,4-b)oxirene-2,3-diol, 1a,2,3,11c-tetrahydro-6-(hydroxymethyl)-11-methyl-82085-46-9C20H18O4
- Methyl (E)-3-[2-[2-[(E)-2-methoxycarbonylvinyl]phenyl]phenyl]prop-2-enoate55006-97-8C20H18O4
- 3,4,7-Trimethyl-5-(2-oxo-2-phenylethoxy)-2H-chromen-2-one578003-52-8C20H18O4
- 2-Butenoic acid, 3-(2-methoxy-5-(1-oxo-3-phenyl-2-propenyl)phenyl)-, (E,E)-82885-73-2C20H18O4
- 2,4-Hexadienedioic acid, 3,4-diphenyl-, dimethyl ester, (E,Z)-53432-82-9C20H18O4
- Methyl 4-(acetyloxy)-1,3-dimethyl-2-phenanthrenecarboxylate60876-72-4C20H18O4
- 1,2-Bis(2-methoxyphenoxy)benzene53181-23-0C20H18O4
- 2,5-Bis(benzyloxy)benzene-1,4-diol142031-13-8C20H18O4
- 2,6-Bis(benzyloxy)benzene-1,4-diol42528-81-4C20H18O4
- 1-Methoxy-8-[(pent-1-en-3-yl)oxy]anthracene-9,10-dione92908-99-1C20H18O4
- 9-(3,4-Dimethoxyphenyl)-4,9-dihydronaphtho[2,3-c]furan-1(3H)-one61494-75-5C20H18O4
- Dimethyl {[2-(phenylethynyl)phenyl]methyl}propanedioate927685-02-7C20H18O4
- 3-((9H-Fluoren-9-yl)methoxy)-2-cyclopropyl-3-oxopropanoic acid2135331-83-6C20H18O4
- Benzyl 3-(benzoyloxy)bicyclo[1.1.1]pentane-1-carboxylate2095495-97-7C20H18O4
- 2,3-Dimethoxy-7-methyl-7H-benzo[c]fluorene-5,7-diol1802605-30-6C20H18O4
- 2-Methoxy-2-methyl-4-(4-~2~H)phenyl-3,4-dihydro-2H,5H-pyrano[3,2-c][1]benzopyran-5-one120976-37-6C20H18O4
- Methyl (E)-3-[2-[2-[(E)-3-methoxy-3-oxoprop-1-enyl]phenyl]phenyl]prop-2-enoateC20H18O4
- Dimethyl dibenzylidenebutanedioate51417-62-0C20H18O4
- 2,2 inverted exclamation marka-[9,10-Anthracenediylbis(oxymethylene)]bis[oxirane]155665-67-1C20H18O4
- 2-(3,4-Dimethylphenyl)-2-oxoethyl 2H-chromene-3-carboxylate1009176-92-4C20H18O4
- 1,1'-(Buta-1,3-diyne-1,4-diyl)bis(3,4-dimethoxybenzene)58335-56-1C20H18O4
- Diallyl [1,1'-biphenyl]-4,4'-dicarboxylate204524-03-8C20H18O4
- 2-(4-Methoxyphenyl)-3-(5-phenylfuran-2-yl)propanoic acid869723-05-7C20H18O4
- Benzoic acid--4'-methoxy[1,1'-biphenyl]-2-ol (1/1)92709-17-6C20H18O4
- Bis(3-phenylprop-2-en-1-yl) ethanedioate111944-30-0C20H18O4
- 1-(4-Hydroxy-3-methoxyphenyl)-7-phenylhepta-1,6-diene-3,5-dione138349-28-7C20H18O4
- 4-[1,1-Bis(4-hydroxyphenyl)ethyl]benzene-1,3-diol138689-10-8C20H18O4
- 3,3'-[1,4-Phenylenebis(methylene)]di(benzene-1,2-diol)189898-26-8C20H18O4
- 3-[2-(4-Ethoxyphenyl)ethenyl]-5-methoxychromen-4-one652968-84-8C20H18O4
- Dimethyl 2,5-diphenylhexa-2,4-dienedioate62498-10-6C20H18O4
- 1-(6-Ethoxy-4-methoxy-1-benzofuran-5-yl)-3-phenylprop-2-en-1-one62062-05-9C20H18O4
- 2,2'-[Ethyne-1,2-diyldi(4,1-phenylene)]bis(1,3-dioxolane)919988-14-0C20H18O4
- 3-[(1E)-2-(4-Ethoxyphenyl)ethenyl]-5-methoxy-4H-chromen-4-oneC20H18O4
- Diethyl anthracene-9,10-dicarboxylate159185-35-0C20H18O4
- Peroxide, bis(I+/--methylcinnamoyl)-, (E,E)-14198-63-1C20H18O4
- 2-(4-Ethylphenyl)-2-oxoethyl 2H-chromene-3-carboxylate2422010-28-2C20H18O4
- 2-(2,5-Dimethylphenyl)-2-oxoethyl 2H-chromene-3-carboxylate2427714-38-1C20H18O4
- 1,1'-(9,10-Dimethoxyphenanthrene-3,6-diyl)diethanone310899-08-2C20H18O4
- 4H-1-Benzopyran-8-carboxylic acid,3-ethyl-4-oxo-2-phenyl-,ethyl ester6608-31-7C20H18O4
- 1,4-Bis(2,6-dimethoxyphenyl)buta-1,3-diyne2413607-93-7C20H18O4
- 1,6-Dihydroxy-1,6-bis(4-methylphenyl)hexa-1,5-diene-3,4-dione198974-18-4C20H18O4
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 Barbacarpan, 3-Benzyl-4,8-dimethyl-2-oxo-2H-chromen-7-yl acetate, 5-(Benzyloxy)-2-(benzyloxymethyl)-4H-pyran-4-one. 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.