Molecular formula
C18H20O4
205 compounds have this formula on CompoundList.
- Molar mass
- 300.35g/mol
- Monoisotopic mass
- 305.1675Da
- Atoms
- 42
- Elements
- 3
- Rings plus double bonds
- 9
The formula C18H20O4 describes a molecule made of 18 carbon atoms, 20 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 × 1871.98%12.011 × 18 = 216.198 g/mol
- H Hydrogen × 206.71%1.008 × 20 = 20.160 g/mol
- O Oxygen × 421.31%15.999 × 4 = 63.996 g/mol
Look up another formula
Compounds with the formula C18H20O4
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 100 of 205 compounds
2,3',4,5'-Tetramethoxystilbene
CAS 20578-92-1C18H20O4
Angoletin
CAS 76444-55-8C18H20O4
(E)-3,4,5,4'-Tetramethoxystilbene
CAS 134029-62-2C18H20O4
Diofenolan
CAS 63837-33-2C18H20O4
![4-Methyl-3-(3-oxobutan-2-yloxy)-7,8,9,10-tetrahydrobenzo[c]chromen-6-one chemical structure, C18H20O4, CAS 307550-04-5](/s/JOLJOMVHPGBAPS-UHFFFAOYSA-N.svg)
4-Methyl-3-(3-oxobutan-2-yloxy)-7,8,9,10-tetrahydrobenzo[c]chromen-6-one
CAS 307550-04-5C18H20O4
(E)-3,4,3',5'-Tetramethoxystilbene
CAS 83088-26-0C18H20O4
![3-Ethoxy-4-[2-(4-methylphenoxy)ethoxy]benzaldehyde chemical structure, C18H20O4, CAS 299936-84-8](/s/XROJOGREHBHXEP-UHFFFAOYSA-N.svg)
3-Ethoxy-4-[2-(4-methylphenoxy)ethoxy]benzaldehyde
CAS 299936-84-8C18H20O4
1-(4-Methoxyphenyl)-2-(3,4,5-trimethoxyphenyl)ethene
CAS 134029-49-5C18H20O4
1-(2,4-Dihydroxy-3-methylphenyl)-2-(4-propylphenoxy)ethanone
CAS 315232-56-5C18H20O4
![6-Oxo-7,8,9,10-tetrahydro-6H-benzo[c]chromen-3-yl pivalate chemical structure, C18H20O4, CAS 328022-10-2](/s/UOUSVOLPRYKHCC-UHFFFAOYSA-N.svg)
6-Oxo-7,8,9,10-tetrahydro-6H-benzo[c]chromen-3-yl pivalate
CAS 328022-10-2C18H20O4
Myrigalone A
CAS 34328-57-9C18H20O4
SP-8356
CAS 1454885-45-0C18H20O4
Myrigalon B
CAS 34328-55-7C18H20O4
1-(2-(2,3-Dihydroxypropoxy)phenyl)-3-phenylpropanone, (2RS)-
CAS 91401-73-9C18H20O4
Ethyl 2-(4-benzyloxyphenoxy)propionate
CAS 63650-08-8C18H20O4
Benzene, 1,1'-(1E)-1,2-ethenediylbis[3,5-dimethoxy-
CAS 125910-07-8C18H20O4
![3-(1-Methyl-2-oxopropoxy)-8,9,10,11-tetrahydrocyclohepta[c]chromen-6(7H)-one chemical structure, C18H20O4, CAS 573947-55-4](/s/YPNTWZPSZSYNCY-UHFFFAOYSA-N.svg)
3-(1-Methyl-2-oxopropoxy)-8,9,10,11-tetrahydrocyclohepta[c]chromen-6(7H)-one
CAS 573947-55-4C18H20O4
![2-[(1-Adamantylcarbonyl)oxy]benzoic acid chemical structure, C18H20O4, CAS 17500-57-1](/s/UHAHLQTZODWDBL-UHFFFAOYSA-N.svg)
2-[(1-Adamantylcarbonyl)oxy]benzoic acid
CAS 17500-57-1C18H20O4
![Ethyl 3-[4-(benzyloxy)phenyl]-3-hydroxypropanoate chemical structure, C18H20O4, CAS 328396-03-8](/s/JLOHCJGAMMDPLV-UHFFFAOYSA-N.svg)
Ethyl 3-[4-(benzyloxy)phenyl]-3-hydroxypropanoate
CAS 328396-03-8C18H20O4
![7-[(2-Oxocyclohexyl)oxy]-4-propyl-2H-chromen-2-one chemical structure, C18H20O4, CAS 95184-94-4](/s/JQNJXUSTDJYYJZ-UHFFFAOYSA-N.svg)
7-[(2-Oxocyclohexyl)oxy]-4-propyl-2H-chromen-2-one
CAS 95184-94-4C18H20O4
(E)-3,3',4,5'-Tetramethoxystilbene
CAS 20767-18-4C18H20O4
![3-Methyl-1-(1-methyl-2-oxopropoxy)-7,8,9,10-tetrahydro-6H-benzo[c]chromen-6-one chemical structure, C18H20O4, CAS 307550-57-8](/s/ZKLSRNMXTOGASS-UHFFFAOYSA-N.svg)
3-Methyl-1-(1-methyl-2-oxopropoxy)-7,8,9,10-tetrahydro-6H-benzo[c]chromen-6-one
CAS 307550-57-8C18H20O4
![4-Methyl-3-(2-oxopropoxy)-8,9,10,11-tetrahydrocyclohepta[c]chromen-6(7H)-one chemical structure, C18H20O4, CAS 578763-29-8](/s/AKNVPVLDNRMSGG-UHFFFAOYSA-N.svg)
4-Methyl-3-(2-oxopropoxy)-8,9,10,11-tetrahydrocyclohepta[c]chromen-6(7H)-one
CAS 578763-29-8C18H20O4
Magnolignan
CAS 20601-85-8C18H20O4
- 3-(4-(Benzyloxy)phenyl)-3-hydroxy-2,2-dimethylpropanoic acid1423024-52-5C18H20O4
- 5-O-Methyllatifolin18525-14-9C18H20O4
- 3-Ethoxy-4-[2-(3-methylphenoxy)ethoxy]benzaldehyde292173-04-7C18H20O4
- RefChem:15026671712-17-9C18H20O4
- 1-[2-(Benzyloxy)-3,4-dimethoxyphenyl]propan-1-one61948-27-4C18H20O4
- 2,5-Dimethoxy-2,5-diphenyl-1,4-dioxane1231-51-2C18H20O4
- Magnolignan AC18H20O4
- (4-((4-Methoxy-3-methylbenzyl)oxy)-3-methylphenyl)acetic acid64360-44-7C18H20O4
- Knerachelin A152110-11-7C18H20O4
- 5,7,4'-Trimethoxyflavan4225-32-5C18H20O4
- (2R)-3-[4-Hydroxy-3-(2-hydroxy-5-prop-2-enylphenyl)phenyl]propane-1,2-diol93673-81-5C18H20O4
- Methyl 5,5-bis(4-hydroxyphenyl)pentanoate633300-55-7C18H20O4
- Monocillin ii75207-15-7C18H20O4
- 3-Phenyl-1-(2,4,6-trimethoxyphenyl)propan-1-one92631-81-7C18H20O4
- 3,3',5,5'-Tetramethoxystilbene125910-10-3C18H20O4
- Stemanthrene C674774-84-6C18H20O4
- 2-[3-(4-Ethoxyphenoxy)propoxy]benzaldehyde428469-02-7C18H20O4
- 4-Ethyl-8-methyl-7-(2-oxo-cyclohexyloxy)-chromen-2-one428837-28-9C18H20O4
- 2'-Hydroxy-4',6'-dimethoxy-3'-methyldihydrochalcone65349-37-3C18H20O4
- 4-(7-Hydroxy-2,2,4-trimethyl-chroman-4-yl)benzene-1,3-diol35129-48-7C18H20O4
- 3,4,8-Trimethyl-7-[(2-oxocyclohexyl)oxy]-2H-chromen-2-one117376-53-1C18H20O4
- Octandrenolone31380-12-8C18H20O4
- 5-(1-(4-Ethoxyphenyl)ethyl)-6-methoxy-1,3-benzodioxole90632-70-5C18H20O4
- 1,3-Diacetoxy-4,6,12-tetradecatriene-8,10-diyne29576-66-7C18H20O4
- 4-[2-(4-Ethylphenoxy)ethoxy]-3-methoxybenzaldehyde6483-28-9C18H20O4
- (e)-1,2-Bis(3,4-dimethoxyphenyl)ethene18513-98-9C18H20O4
- (2S,3R)-5-Acetyl-2,3-dihydro-2-(1-methylethenyl)-3-benzofuranyl (2Z)-2-methyl-2-butenoate106928-36-3C18H20O4
- 2-{[Bis(4-methoxyphenyl)methoxy]methyl}oxirane790263-36-4C18H20O4
- U8Y2H87Cnx123791-21-9C18H20O4
- Doitungbiphenyl A1638527-15-7C18H20O4
- Prop-2-EN-1-yl (2E)-3-[3,4-bis(prop-2-EN-1-yloxy)phenyl]prop-2-enoate203118-27-8C18H20O4
- 1-[(1E)-2-(2,5-Dimethoxyphenyl)ethenyl]-2,4-dimethoxybenzene1346530-04-8C18H20O4
- Benzene, 1,1'-ethenylidenebis[3,4-dimethoxy-5385-61-5C18H20O4
- 2,6-Naphthalenedicarboxylic acid, bis(1-methylethyl) ester141262-30-8C18H20O4
- 4-[(3,4-Diethoxybenzyl)oxy]benzaldehyde832740-81-5C18H20O4
- Benzeneacetic acid, 4-hydroxy-alpha-(4-hydroxyphenyl)-, butyl ester71077-33-3C18H20O4
- 3',4',7-Trimethoxyflavan116384-26-0C18H20O4
- Ethyl 3-[(2-methoxyphenyl)methoxy]benzeneacetate63888-95-9C18H20O4
- 9,10-Dihydro-9,9,10,10-tetramethyl-2,3,6,7-anthracenetetrol68527-81-1C18H20O4
- (S)-3-(4-(Benzyloxy)phenyl)-2-ethoxypropanoic acid251454-49-6C18H20O4
- 4-Isopropylphenyl 3,4-dimethoxybenzoate303972-01-2C18H20O4
- 3-((3,4-Diethoxybenzyl)oxy)benzaldehyde832740-80-4C18H20O4
- Ethanone, 2-ethoxy-1,2-bis(4-methoxyphenyl)-23659-80-5C18H20O4
- Methyl 3-(4-methoxy-3-phenylmethoxyphenyl)propanoate6305-53-9C18H20O4
- (S)-Ethyl 3-(4-(benzyloxy)phenyl)-2-hydroxypropanoate267228-40-0C18H20O4
- Methyl 4,4-bis(4-hydroxyphenyl)pentanoate7297-85-0C18H20O4
- 10-Methoxy-2,2-dimethyl-3,4,8,9-tetrahydro-2H-cyclopenta[c]pyrano[2,3-h]chromen-6(7H)-one855779-26-9C18H20O4
- 4-(7-Hydroxy-2,4,4-trimethyl-3,4-dihydro-2H-chromen-2-yl)-1,3-benzenediol26505-28-2C18H20O4
- (5R,6R,7R)-5-(3,4-Dihydroxyphenyl)-6,7-dimethyl-5,6,7,8-tetrahydronaphthalene-2,3-diol125074-14-8C18H20O4
- 2-(((Octahydro-1H-4,7-methanoinden-5-yl)oxy)carbonyl)benzoic acid109821-56-9C18H20O4
- 4-(4-Methoxyphenyl)-7,7-dimethyl-4,6,7,8-tetrahydro-2H-chromene-2,5(3H)-dione338750-77-9C18H20O4
- 6,7-Dimethoxy-1-(4-methoxyphenyl)-3,4-dihydro-1H-isochromene83640-83-9C18H20O4
- 4-(Benzyloxy)-2-isobutoxybenzoic acid170278-91-8C18H20O4
- 3-[3-(Benzyloxy)phenyl]-3-hydroxy-2,2-dimethylpropanoic acid1423028-78-7C18H20O4
- 3-Phenylpropyl homovanillate105025-99-8C18H20O4
- 4-Ethyl-2-oxo-2H-chromen-7-yl cyclohexanecarboxylate431909-13-6C18H20O4
- 5-(1-Adamantyl)isophthalic acid267412-43-1C18H20O4
- Methyl 2-((4-(3-hydroxypropyl)phenoxy)methyl)benzoate135810-05-8C18H20O4
- Methyl 3-(benzyloxy)-5-isopropoxybenzoate852520-42-4C18H20O4
- 2-((((3aS,4S,5R,7S,7aS)-Octahydro-1H-4,7-methanoinden-5-yl)oxy)carbonyl)benzoic acid1096688-06-0C18H20O4
- 3,3',4,4'-Tetramethoxystilbene5385-62-6C18H20O4
- 4-Methoxyphenyl 2-(2,3-dimethylphenoxy)propanoate692265-04-6C18H20O4
- 3-[4-(Benzyloxy)phenyl]-2-ethoxypropanoic acid251454-47-4C18H20O4
- 10'-Hydroxy-6'-methyl-3',4'-dihydro-8'H-spiro[cyclohexane-1,2'-pyrano[3,2-g]chromen]-8'-one924740-43-2C18H20O4
- 2-Benzyloxymethyl-6-methoxy-benzoic acid ethyl ester1171923-87-7C18H20O4
- Methyl 2-(4-(benzyloxy)phenoxy)butanoate653563-74-7C18H20O4
- Depropylamino hydroxy propafenone-d51346598-59-1C18H20O4
- 3-(2,4-Dimethoxyphenyl)-7-methoxychroman58822-02-9C18H20O4
- 1-[(1E)-2-(3,4-Dimethoxyphenyl)ethenyl]-2,3-dimethoxybenzene238754-86-4C18H20O4
- Methyl 2-[4-(benzyloxy)phenoxy]-2-methylpropanoate52890-88-7C18H20O4
- 7-Hydroxy-9,9-dimethyl-1,2,3,4,10,11-hexahydrobenzo[c]pyrano[3,2-g]chromen-5-one887604-82-2C18H20O4
- Methyl 2-[2-[(2,5-Dimethylphenoxy)methyl]phenyl]-2-(hydroxy)acetic Acid Ester173665-70-8C18H20O4
- 4-Trifluoromethyl-a-methyl-DL-phenylalanine115865-16-2C18H20O4
- 2-(Biphenyl-4-yl)-5,5-di(hydroxymethyl)-1,3-dioxane1234563-17-7C18H20O4
- 1,6-Naphthalenediol, 4-(1,1-dimethylethyl)-, 1,6-diacetate30310-04-4C18H20O4
- 2,2-Dimethoxy-1,2-diphenylethyl acetate6316-83-2C18H20O4
Frequently asked questions
What is the molar mass of C18H20O4?
The molar mass of C18H20O4 is 300.35 g/mol, calculated from standard atomic weights for 18 carbon atoms, 20 hydrogen atoms and 4 oxygen atoms. The monoisotopic mass is 305.1675 Da.
How many compounds have the formula C18H20O4?
CompoundList lists 205 compounds with the molecular formula C18H20O4, including 2,3',4,5'-Tetramethoxystilbene, Angoletin, (E)-3,4,5,4'-Tetramethoxystilbene. 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 C18H20O4?
C18H20O4 has a degree of unsaturation of 9. 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.