Molecular formula
C20H28O5
105 compounds have this formula on CompoundList.
- Molar mass
- 348.44g/mol
- Monoisotopic mass
- 350.2062Da
- Atoms
- 53
- Elements
- 3
- Rings plus double bonds
- 7
The formula C20H28O5 describes a molecule made of 20 carbon atoms, 28 hydrogen atoms and 5 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 × 2068.94%12.011 × 20 = 240.220 g/mol
- H Hydrogen × 288.10%1.008 × 28 = 28.224 g/mol
- O Oxygen × 522.96%15.999 × 5 = 79.995 g/mol
Look up another formula
Compounds with the formula C20H28O5
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 100 of 105 compounds
Ingenol
CAS 30220-46-3C20H28O5
Cohumulone
CAS 511-25-1C20H28O5
(4aS,5R,6R,6aR,7S,11aS,11bR)-1,2,3,4,4a,5,6,6a,7,11,11a,11b-Dodecahydro-5,6-dihydroxy-4,4,11b-trimethylphenanthro(3,2-b)furan-7-carboxylic acid
CAS 40819-81-6C20H28O5
(1alpha,2beta,4aalpha,4bbeta,10beta)-2-Hydroxy-1,4a-dimethyl-8-methylenegibbane-1,10-dicarboxylic acid
CAS 4955-22-0C20H28O5
Sphaeropsidin B
CAS 39022-38-3C20H28O5
Arnicolide B
CAS 34532-66-6C20H28O5
Cortienic acid
CAS 3597-45-3C20H28O5
Tricholomalide A
CAS 647851-57-8C20H28O5
Tricholomalide B
CAS 1179807-55-6C20H28O5
18-Hydroxy-19-norcorticosterone
CAS 111594-84-4C20H28O5
Effusanin A
CAS 30220-43-0C20H28O5
Microhelenin B
CAS 63569-08-4C20H28O5
Spongiatriol
CAS 71302-27-7C20H28O5
Pseudoirroratin A
CAS 407594-84-7C20H28O5
Isocohumulone
CAS 25269-20-9C20H28O5
Isocohumulone, cis-
CAS 68127-23-1C20H28O5
Tricholomalide C
CAS 647851-59-0C20H28O5
16-Hydroxy-8(17),13-labdadien-15,16-olid-19-oic acid
CAS 691009-85-5C20H28O5
9-Hydroxyxeniolide-F
CAS 437710-62-8C20H28O5
14-Deoxy-11-oxoandrographolide
CAS 42895-57-8C20H28O5
Longikaurin A
CAS 75207-67-9C20H28O5
Macrocalyxin C
CAS 91379-75-8C20H28O5
Alboatisin B
CAS 943232-49-3C20H28O5
Excisanin H
CAS 675606-07-2C20H28O5
- 19-Norcortisol54947-44-3C20H28O5
- Amethystoidin A81126-70-7C20H28O5
- Libertellenone C866413-30-1C20H28O5
- Gibberellin A5351576-08-0C20H28O5
- Xerophilusin I304642-95-3C20H28O5
- Albopilosin I871566-44-8C20H28O5
- Phyllostachysin D905947-12-8C20H28O5
- Marrulibanoside72009-99-5C20H28O5
- Carolenin38769-36-7C20H28O5
- (1R,4aR,4bR,7R,9aR,10S,10aS)-4a-(Hydroxymethyl)-1-methyl-8-methylenedodecahydro-1H-7,9a-methanobenzo[a]azulene-1,10-dicarboxylic acid88373-66-4C20H28O5
- 3,5-Heptanedione, 4-[6-(1,3-benzodioxol-5-yloxy)hexyl]-56219-48-8C20H28O5
- Isoscoparin I1097647-32-9C20H28O5
- Durumhemiketalolide A1100359-10-1C20H28O5
- Megathyrin A160791-05-9C20H28O5
- trans-Isocohumulone58501-77-2C20H28O5
- Pododacric acid32630-75-4C20H28O5
- (1alpha,3beta,4aalpha,4bbeta,10beta)-3-Hydroxy-1,4a-dimethyl-8-methylenegibbane-1,10-dicarboxylic acid202057-27-0C20H28O5
- 6-(3-Benzyloxy-2-propyl)-2-hydroxy-2,3,7-trimethylhexahydro-4H-furo(3,2-c)pyran-4-one125225-47-0C20H28O5
- 3-Acetoxy-7,15-oxido-16-oxaandrostan-17-one84783-21-1C20H28O5
- Gibbane-1,10-dicarboxylic acid, 6-hydroxy-1,4a-dimethyl-8-methylene-, (1alpha,4aalpha,4bbeta,6beta,10beta)-90806-15-8C20H28O5
- 12-Deoxyphorbol25090-75-9C20H28O5
- 6alpha-Hydroxycleroda-3,13-dien-16,15-olid-18-oic acid771493-42-6C20H28O5
- Cortisol-17 acid100188-36-1C20H28O5
- 17,21-Dihydroxy-11-oxa-4-pregnene-3,20-dione60009-90-7C20H28O5
- Bakkenolide C18456-00-3C20H28O5
- (±)-Tricholomalide A1179807-33-0C20H28O5
- (±)-Tricholomalide B1179807-34-1C20H28O5
- Scopararane A888958-45-0C20H28O5
- ent-6alpha,9alpha-Dihydroxy-15-oxokaur-16-en-19-oic acidC20H28O5
- Suregadolide C819795-90-9C20H28O5
- 3-[2-[(1S,3R,4aS,5R,8aS)-Decahydro-3-hydroxy-5-(hydroxymethyl)-5,8a-dimethyl-2-methylene-6-oxo-1-naphthalenyl]ethyl]-2(5H)-furanone1350640-88-8C20H28O5
- (1R,4S,5R,9R,10R,11S,13S)-10,11-Dihydroxy-5,9-dimethyl-14-methylidene-15-oxotetracyclo[11.2.1.01,10.04,9]hexadecane-5-carboxylic acid130217-16-2C20H28O5
- Isoingenol88729-04-8C20H28O5
- 2-Butenoic acid, 2-methyl-, (4aR,5R,6S,8aS,9aS)-2,4,4a,5,6,7,8,8a,9,9a-decahydro-8a-hydroxy-3,4a,5-trimethyl-2-oxonaphtho(2,3-b)furan-6-yl ester, (2Z)-69618-92-4C20H28O5
- [(4S,4aS,5R,6S,8aR,9aR)-6-Hydroxy-3,4a,5-trimethyl-2-oxo-4,5,6,7,8,8a,9,9a-octahydrobenzo[f][1]benzofuran-4-yl] (E)-2-methylbut-2-enoate149475-46-7C20H28O5
- Adenostemmoic acid BC20H28O5
- (1R,8R,9R,10S,15S)-11,11-Dimethyl-5-propan-2-yl-16-oxatetracyclo[6.6.2.01,10.02,7]hexadeca-2,4,6-triene-3,4,9,15-tetrolC20H28O5
- 4-Deoxy-4alpha-phorbol37415-57-9C20H28O5
- Nemoralisin C1443421-84-8C20H28O5
- 4-(10-Prop-2-enoyloxydecyloxy)benzoic acid143203-04-7C20H28O5
- 6-Epidemethylesquirolin D165074-00-0C20H28O5
- (4R,4aS,6aR,9R,11S,11aR,11bR)-11,11a-Dihydroxy-4,11b-dimethyl-8-methylene-7-oxotetradecahydro-6a,9-methanocyclohepta[a]naphthalene-4-carboxylic acidC20H28O5
- 4-Deoxyphorbol79083-67-3C20H28O5
- 2|A-Hydroxy-8|A-(2-methylbutyryloxy)costunolide128286-87-3C20H28O5
- ent-6,9-Dihydroxy-15-oxo-16-kauren-19-oic acid81264-00-8C20H28O5
- 6alpha-Hydroxycleroda-3,13-dien-16,15-olid-18-oic acidC20H28O5
- (8-Hydroxy-6,10-dimethyl-3-methylidene-2-oxo-3a,4,5,8,9,11a-hexahydrocyclodeca[b]furan-4-yl) 2-methylbutanoateC20H28O5
- 6-Epidemethylesquirolin DC20H28O5
- 17-Hydroxygutiesolbriolide128988-41-0C20H28O5
- (10E)-17-Hydroxygutiesolbriolide128988-42-1C20H28O5
- Pyrethrin I 1,2-diol metabolite124780-27-4C20H28O5
- Hexanoic acid, 2-((3-(4-methoxyphenyl)-1-oxo-2-propenyl)oxy)-1-methylpropyl ester84006-39-3C20H28O5
- Bakkenolide CC20H28O5
- 2-(3-Oxobutyl)-3,5-di(propan-2-yl)-1,4-phenylene diacetate53713-46-5C20H28O5
- 2-(2,4-Dimethyl-2-phenyl-pentanoyl)malonic acid diethyl ester1126652-05-8C20H28O5
- 8-Hydroxy-5,6,8a-trimethyl-5-[2-(5-oxo-2H-furan-4-yl)ethyl]-3,4,4a,6,7,8-hexahydronaphthalene-1-carboxylic acidC20H28O5
- 4-{2-[(Undec-10-enoyl)oxy]ethoxy}benzoic acid864498-64-6C20H28O5
- 3,10-Dihydroxy-5,9-dimethyl-14-methylidene-15-oxotetracyclo[11.2.1.01,10.04,9]hexadecane-5-carboxylic acidC20H28O5
- 2beta-Hydroxy-1beta,4aalpha-dimethyl-8-methylenegibbane-1alpha,10beta-dicarboxylic acid429678-85-3C20H28O5
- Diethyl 2-[2-(4-methylphenyl)ethyl]-3-oxoheptanedioate61983-61-7C20H28O5
- [(3aS,4S,6S,6aS,9aS,9bS)-6-Hydroxy-3,6,9-trimethyl-2-oxo-3,3a,4,5,6a,7,9a,9b-octahydroazuleno[4,5-b]furan-4-yl] (E)-2-methylbut-2-enoate141946-47-6C20H28O5
- 4-(3-Oxododecyl)benzene-1,2-dicarboxylic acid195384-92-0C20H28O5
- 4-({8-[(Oxan-2-yl)oxy]oct-6-en-1-yl}oxy)benzoic acid827321-88-0C20H28O5
- 5-Hydroxy-4,7,8-trimethyl-8-[2-(5-oxo-2H-furan-3-yl)ethyl]-1,2,5,6,7,8a-hexahydronaphthalene-4a-carboxylic acid54153-70-7C20H28O5
- (4S,4aS,5R,6S,8aR,9aS)-2,4,4a,5,6,7,8,8a,9,9a-Decahydro-6-hydroxy-3,4a,5-trimethyl-2-oxonaphtho[2,3-b]furan-4-yl (2Z)-2-methyl-2-butenoate199675-13-3C20H28O5
- (8R,9R,10S,15R)-11,11-Dimethyl-5-propan-2-yl-16-oxatetracyclo[6.6.2.01,10.02,7]hexadeca-2,4,6-triene-3,4,9,15-tetrolC20H28O5
- Atisagibberellin A1473536-96-6C20H28O5
- 2-[(E)-6-(5,5-Dimethyl-4-oxofuran-2-yl)-6-hydroxy-2-methylhept-1-enyl]-4-methyl-2,3-dihydropyran-6-oneC20H28O5
- 6-Epi-O-demethylesquirolin DC20H28O5
- [(4S,4aS,5R,6R,8aR,9aR)-4-Hydroxy-3,4a,5-trimethyl-2-oxo-4,5,6,7,8,8a,9,9a-octahydrobenzo[f][1]benzofuran-6-yl] (Z)-2-methylbut-2-enoate73171-27-4C20H28O5
- [(1S,3aS,5aR,7R,8R,8aR,9aR)-8-Hydroxy-1,5,8-trimethyl-2-oxo-1,3a,5a,6,7,8a,9,9a-octahydroazuleno[6,5-b]furan-7-yl] (E)-2-methylbut-2-enoate79236-46-7C20H28O5
- Gibberellin A53-d2177781-16-7C20H28O5
- 2-[6-(5,5-Dimethyl-4-oxofuran-2-yl)-6-hydroxy-2-methylhept-1-enyl]-4-methyl-2,3-dihydropyran-6-oneC20H28O5
- (3-Hydroxy-7,7a-dimethyl-4'-methylidene-2'-oxospiro[3,3a,4,5,6,7-hexahydro-1H-indene-2,3'-oxolane]-4-yl) (E)-2-methylbut-2-enoateC20H28O5
- 2alpha-Hydroxy-8beta-(2-methylbutyryloxy)costunolideC20H28O5
- (1R,3S,4R,5S,9S,10S,13R)-3,10-Dihydroxy-5,9-dimethyl-14-methylidene-15-oxotetracyclo[11.2.1.01,10.04,9]hexadecane-5-carboxylic acidC20H28O5
Frequently asked questions
What is the molar mass of C20H28O5?
The molar mass of C20H28O5 is 348.44 g/mol, calculated from standard atomic weights for 20 carbon atoms, 28 hydrogen atoms and 5 oxygen atoms. The monoisotopic mass is 350.2062 Da.
How many compounds have the formula C20H28O5?
CompoundList lists 105 compounds with the molecular formula C20H28O5, including Ingenol, Cohumulone, (4aS,5R,6R,6aR,7S,11aS,11bR)-1,2,3,4,4a,5,6,6a,7,11,11a,11b-Dodecahydro-5,6-dihydroxy-4,4,11b-trimethylphenanthro(3,2-b)furan-7-carboxylic 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 C20H28O5?
C20H28O5 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.