C20H28O4
159 compounds have this formula on CompoundList.
- Molar mass
- 332.44g/mol
- Monoisotopic mass
- 332.1988Da
- Atoms
- 52
- Elements
- 3
- Rings plus double bonds
- 7
The formula C20H28O4 describes a molecule made of 20 carbon atoms, 28 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 × 2072.26%12.011 × 20 = 240.220 g/mol
- H Hydrogen × 288.49%1.008 × 28 = 28.224 g/mol
- O Oxygen × 419.25%15.999 × 4 = 63.996 g/mol
Compounds with the formula C20H28O4
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 101 to 159 of 159 compounds
![(4~{A}~{R},5~{S},6~{R},8~{S},8~{a}~{R})-5-[2-(furan-3-yl)ethyl]-5,6,8~{a}-trimethyl-8-oxidanyl-3,4,4~{a},6,7,8-hexahydronaphthalene-1-carboxylic acid chemical structure, C20H28O4, CAS 134037-63-1](/s/XWKYXEIGWQYOCY-KWLVRGKZSA-N.svg)
![(1R,8R,9R,10S)-11,11-Dimethyl-5-propan-2-yl-16-oxatetracyclo[6.6.2.01,10.02,7]hexadeca-2,4,6-triene-3,4,9-triol chemical structure, C20H28O4, CAS 1353042-00-8](/s/XXQLUHIXNZKHDC-DMUMMCEESA-N.svg)
![10-Hydroxy-5,9-dimethyl-14-methylidene-15-oxotetracyclo[11.2.1.01,10.04,9]hexadecane-5-carboxylic acid chemical structure, C20H28O4](/s/AURKCYFYZBQUIZ-UHFFFAOYSA-N.svg)
![(1R,3S,8R,9S,10S,11S,16S)-9-Hydroxy-5,11,15,15-tetramethyl-2,7-dioxapentacyclo[8.8.0.01,3.04,8.011,16]octadec-4-en-6-one chemical structure, C20H28O4](/s/LDVDGGIHTUCGMX-MHKHYPLWSA-N.svg)
![(9Z)-9-(Hydroxymethylidene)-10a,12a-dimethyl-3,4,4a,4b,5,6,6a,7,10,10b,11,12-dodecahydronaphtho[2,1-f]chromene-2,8-dione chemical structure, C20H28O4, CAS 16989-95-0](/s/IAEXPESVUCYINT-QXMHVHEDSA-N.svg)
![(3aR,3bS,5aS,6S,7R,8aS,8bR)-6-Acetyl-6,7-dihydroxy-3a,5a-dimethyl-3a,3b,4,5,5a,6,7,8,8a,8b,9,10-dodecahydrodicyclopenta[a,f]naphthalen-2(3H)-one chemical structure, C20H28O4, CAS 800-01-1](/s/WOIDUWLJOGWADE-KOGWCRERSA-N.svg)
![(4-Hydroxy-13-methyl-3-oxo-2,6,7,8,9,10,11,12,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-17-yl) acetate chemical structure, C20H28O4, CAS 23463-07-2](/s/DNHMBSYRMWAIRY-UHFFFAOYSA-N.svg)
![7-[2-[(3S)-3-Hydroxyocta-1,5-dienyl]-5-oxocyclopenten-1-yl]hept-5-enoic acid chemical structure, C20H28O4](/s/DQRGQQAJYRBDRP-KRWDZBQOSA-N.svg)
![(1R,3S,5S,7R,10R,11E)-1,10-Dihydroxy-3,6,6,10,14-pentamethyltricyclo[10.3.0.05,7]pentadeca-11,14-diene-2,13-dione chemical structure, C20H28O4, CAS 106644-31-9](/s/FBVWSXCVYVNYII-WFDMOQCGSA-N.svg)
![Methyl (4S,5R,9R,13R)-5,9-dimethyl-10,14-dioxotricyclo[11.2.1.04,9]hexadec-1(15)-ene-5-carboxylate chemical structure, C20H28O4, CAS 89900-57-2](/s/ZAGGYKLVUQTZDW-HIBPSGHXSA-N.svg)
![Ethyl 4-[4-(benzyloxymethyl)cyclohexyl]-4-oxobutyrate chemical structure, C20H28O4, CAS 943551-40-4](/s/RGIOBEWOTWVRRT-UHFFFAOYSA-N.svg)
![(5R,10R,13S,17S)-13-Methyl-1,2,4,6,7,8,12,13,14,15,16,17-dodecahydrospiro[5,10-epoxycyclopenta[a]phenanthrene-3,2'-[1,3]dioxolan]-17-ol chemical structure, C20H28O4, CAS 39931-89-0](/s/PJNXSCWHWRADDM-NXJMWEIWSA-N.svg)
![Methyl 4-[4-(2-tert-butoxy-2-oxoethyl)cyclohexyl]benzoate chemical structure, C20H28O4, CAS 1252898-87-5](/s/INGMVVSCVQPUSA-UHFFFAOYSA-N.svg)
- Homogynolide B60825-03-8C20H28O4
- Mayolide B114728-07-3C20H28O4
- Hexanoic acid, 1-methyl-2-((3-(4-methylphenyl)-1-oxo-2-propenyl)oxy)propyl ester84006-37-1C20H28O4
- Hexanoic acid, 1-methyl-2-((2-methyl-1-oxo-3-phenyl-2-propenyl)oxy)propyl ester84006-57-5C20H28O4
- (5R,7R,E)-Ethyl 8-(benzyloxy)-7-hydroxy-5-methyl-5-vinyloct-2-enoate130675-12-6C20H28O4
- (2E,4E,6E)-7-(5,5,8a-Trimethyl-3,6,7,8-tetrahydro-1,2-benzodioxin-3-yl)-3-methylocta-2,4,6-trienoic acid129454-96-2C20H28O4
- 7-[3-Hydroxy-5-oxo-2-(2-phenylethyl)cyclopentyl]heptanoic acid61375-67-5C20H28O4
- (Octahydro-4,7-methanoindene-1H-diyl)bis(methylene) dicrotonate93962-78-8C20H28O4
- 1-(3,4-Dihydroxyphenyl)tetradec-1-ene-3,5-dione125699-33-4C20H28O4
- Ethyl 4-[4-(octyloxy)phenyl]-4-oxobut-2-enoate89781-45-3C20H28O4
- 12-Hydroxy-5-oxo-6,8,10,14,17-icosapentaenoic acid815579-38-5C20H28O4
- Petasitolide A70773-67-0C20H28O4
- (4I+/-)-Kaur-15-ene-17,18-dioic acid88664-29-3C20H28O4
- Diethyl methyl[(1-phenylcyclopentyl)methyl]propanedioate62636-45-7C20H28O4
- Di-tert-butyl (2-phenylpropylidene)propanedioate112348-05-7C20H28O4
- Ethyl 8-(benzyloxy)-5-ethenyl-7-hydroxy-5-methyloct-2-enoateC20H28O4
- 11-Hydroxy-16-oxoicosa-5,8,12,14,17-pentaenoic acid115330-89-7C20H28O4
- 17-Methoxy-15-oxoheptadec-9-ene-11,13-diyn-8-yl acetate65892-94-6C20H28O4
- But-1-en-1-yl octa-1,3-dien-1-yl cyclohex-4-ene-1,2-dicarboxylate64081-26-1C20H28O4
- 2-(3-Methoxyphenyl)-2-oxoethyl undec-10-enoate923294-64-8C20H28O4
- 1,3-Diethyl 2-(cyclohexylphenylmethyl)propanedioate203565-36-0C20H28O4
- (E)-1-(2-((3,7-Dimethylocta-2,6-dien-1-yl)oxy)-4,6-dihydroxyphenyl)-2-methylpropan-1-one1431521-28-6C20H28O4
- 5-Ethyladamantane-1,3-diyl bis(2-methylacrylate)2080412-56-0C20H28O4
- Pterokaurane L1C20H28O4
- 3H-Cyclopent[e]oxacyclotridecin-5,12-dione, 9,10-didehydro-6,7,8,11,11a,13,14,14a-octahydro-14-hydroxy-3-pentyl-, (1E,3S,11aR,14R,14aR)-318234-63-8C20H28O4
- Ethyl (2E,5R,7R)-8-(benzyloxy)-5-ethenyl-7-hydroxy-5-methyloct-2-enoateC20H28O4
- 1,3,5(10)-Estratrien-2,3,4,17beta-tetrol-2,4-dimethyl Ether65968-99-2C20H28O4
- (8R,9S,13S,14S,16S,17R)-3-(Methoxymethoxy)-13-methyl-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthrene-16,17-diol177714-20-4C20H28O4
- Yunnancoronarin C260406-45-9C20H28O4
- (1S,3R,8R,9S,10R,11R,16R)-9-Hydroxy-5,11,15,15-tetramethyl-2,7-dioxapentacyclo[8.8.0.01,3.04,8.011,16]octadec-4-en-6-oneC20H28O4
- Labda-12E,14-dien-16,15-olid-17-oic acid1855905-16-6C20H28O4
- 7-[2-(3-Hydroxyocta-1,5-dienyl)-5-oxocyclopenten-1-yl]hept-5-enoic acidC20H28O4
- (E)-7-[2-[(1E,3S,5E)-3-Hydroxyocta-1,5-dienyl]-5-oxocyclopenten-1-yl]hept-5-enoic acidC20H28O4
- (1S,4R,5S,9S,10S,13R)-10-Hydroxy-5,9-dimethyl-14-methylidene-15-oxotetracyclo[11.2.1.01,10.04,9]hexadecane-5-carboxylic acidC20H28O4
- (12E,14E,17E)-11-Hydroxy-16-oxoicosa-5,8,12,14,17-pentaenoic acidC20H28O4
Frequently asked questions
What is the molar mass of C20H28O4?
The molar mass of C20H28O4 is 332.44 g/mol, calculated from standard atomic weights for 20 carbon atoms, 28 hydrogen atoms and 4 oxygen atoms. The monoisotopic mass is 332.1988 Da.
How many compounds have the formula C20H28O4?
CompoundList lists 159 compounds with the molecular formula C20H28O4, including (4~{A}~{R},5~{S},6~{R},8~{S},8~{a}~{R})-5-[2-(furan-3-yl)ethyl]-5,6,8~{a}-trimethyl-8-oxidanyl-3,4,4~{a},6,7,8-hexahydronaphthalene-1-carboxylic acid, (1R,8R,9R,10S)-11,11-Dimethyl-5-propan-2-yl-16-oxatetracyclo[6.6.2.01,10.02,7]hexadeca-2,4,6-triene-3,4,9-triol, 2,6,10-Trimethyl-13-(5-oxo-2,5-dihydrofuran-3-yl)trideca-2,6,10-trienoic 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 C20H28O4?
C20H28O4 has a degree of unsaturation of 7. 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.