Molecular formula
C18H18O4
334 compounds have this formula on CompoundList.
- Molar mass
- 298.34g/mol
- Monoisotopic mass
- 304.1582Da
- Atoms
- 40
- Elements
- 3
- Rings plus double bonds
- 10
The formula C18H18O4 describes a molecule made of 18 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 × 1872.47%12.011 × 18 = 216.198 g/mol
- H Hydrogen × 186.08%1.008 × 18 = 18.144 g/mol
- O Oxygen × 421.45%15.999 × 4 = 63.996 g/mol
Look up another formula
Compounds with the formula C18H18O4
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 100 of 334 compounds
Enterolactone
CAS 78473-71-9C18H18O4
(3R,4R)-3,4-Bis((3-hydroxyphenyl)methyl)oxolan-2-one
CAS 77756-20-8C18H18O4
Metochalcone
CAS 18493-30-6C18H18O4
2,3-Bis(3'-hydroxybenzyl)butyrolactone
CAS 76543-15-2C18H18O4
Tetramethylene dibenzoate
CAS 19224-27-2C18H18O4
Dibenzyl succinate
CAS 103-43-5C18H18O4
2',4'-Dihydroxy-6'-methoxy-3',5'-dimethylchalcone
CAS 65349-31-7C18H18O4
2,3,4'-Trimethoxychalcone
CAS 18778-38-6C18H18O4
2,4,4'-Trimethoxychalcone
CAS 18493-34-0C18H18O4
Phenylethyl 3-methylcaffeate
CAS 71835-85-3C18H18O4
2-Propen-1-one, 3-(3,4-dimethoxyphenyl)-1-(4-methoxyphenyl)-
CAS 36685-66-2C18H18O4
(2E)-1-Phenyl-3-(3,4,5-trimethoxyphenyl)prop-2-en-1-one
CAS 60246-63-1C18H18O4
2,2'-(Tetramethylenedioxy)dibenzaldehyde
CAS 77354-98-4C18H18O4
Diethyl 4,4'-biphenyldicarboxylate
CAS 47230-38-6C18H18O4
4,4'-Dimethylenebis(methyl benzoate)
CAS 797-21-7C18H18O4
2',4',6'-Trimethoxychalcone
CAS 145629-35-2C18H18O4
4,4'-Bis(2,3-epoxypropoxy)biphenyl
CAS 2461-46-3C18H18O4
(E)-3-(4-(Benzyloxy)-3-ethoxyphenyl)acrylic acid
CAS 565174-23-4C18H18O4
![Ethanedioic acid, 1,2-bis[(4-methylphenyl)methyl] ester chemical structure, C18H18O4, CAS 18241-31-1](/s/FPFZBTUMXCSRLU-UHFFFAOYSA-N.svg)
Ethanedioic acid, 1,2-bis[(4-methylphenyl)methyl] ester
CAS 18241-31-1C18H18O4
![(2E)-3-{4-Methoxy-3-[(3-methylphenoxy)methyl]phenyl}prop-2-enoic acid chemical structure, C18H18O4, CAS 512810-03-6](/s/WZHFSVKLECIXPE-VQHVLOKHSA-N.svg)
(2E)-3-{4-Methoxy-3-[(3-methylphenoxy)methyl]phenyl}prop-2-enoic acid
CAS 512810-03-6C18H18O4
![(2E)-3-{4-Methoxy-3-[(2-methylphenoxy)methyl]phenyl}prop-2-enoic acid chemical structure, C18H18O4, CAS 512809-89-1](/s/FOMRZDQEPYLFFG-CSKARUKUSA-N.svg)
(2E)-3-{4-Methoxy-3-[(2-methylphenoxy)methyl]phenyl}prop-2-enoic acid
CAS 512809-89-1C18H18O4
Ethyl 3-(4-(benzyloxy)phenyl)-3-oxopropanoate
CAS 53090-45-2C18H18O4
(E)-Phenethyl 3-(3-hydroxy-4-methoxyphenyl)acrylate
CAS 117292-80-5C18H18O4
1,4-Bis(2-hydroxy-5-methylphenyl)butane-1,4-dione
CAS 13282-23-0C18H18O4
- Dimethyl 2,3-diphenylbutanedioate19020-59-8C18H18O4
- Methyl 4-[1-methyl-2-(4-methylphenyl)-2-oxoethoxy]benzoate540520-66-9C18H18O4
- (E)-1-(3,4-Dimethoxyphenyl)-3-(4-methoxyphenyl)prop-2-en-1-one22248-31-3C18H18O4
- 2-Oxo-2-phenylethyl (3,4-dimethylphenoxy)acetate169826-07-7C18H18O4
- Methyl 4-[2-(3,4-dimethylphenyl)-2-oxoethoxy]benzoate540520-62-5C18H18O4
- 3-(3,5-Dimethoxyphenyl)-1-(2-methoxyphenyl)prop-2-en-1-one1262887-77-3C18H18O4
- 2-(4-Ethylphenyl)-2-oxoethyl 2-methoxybenzoate524043-43-4C18H18O4
- 4,4'-Dimethylenebis(phenylacetic acid)93878-05-8C18H18O4
- Infectocaryone371194-02-4C18H18O4
- 2,5-Diphenylhexanedioic acid6622-43-1C18H18O4
- Bisphenol F acetate propionate1044764-71-7C18H18O4
- 4-Hydroxy-3-(hydroxymethyl)-1-phenyl-1,2,3,4-tetrahydronaphthalene-2-carboxylic acid6271-69-8C18H18O4
- 2,3,4,7-Tetramethoxyphenanthrene97399-69-4C18H18O4
- Aurentiacin58969-62-3C18H18O4
- 2-(2-Carboxy-4-phenylbutyl)benzoic acid5445-50-1C18H18O4
- (R)-4,6-Dimethoxy-3-(4-methoxyphenyl)-2,3-dihydro-1H-inden-1-one2767124-77-4C18H18O4
- 1,1'-(1,2-Ethanediylbis(oxy-4,1-phenylene))bis(ethanone)3049-29-4C18H18O4
- Mono(alpha-ethyl-alpha-methylbenzyl) phthalate98656-14-5C18H18O4
- 4-(Propoxycarbonyl)phenyl 2-methylbenzoate618069-93-5C18H18O4
- 5-(4-(Benzyloxy)phenyl)-2,2-dimethyl-1,3-dioxolan-4-one192573-25-4C18H18O4
- (4-((4-(Allyloxy)benzyl)oxy)phenyl)acetic acid76968-93-9C18H18O4
- 1 suppliers1,2-Bis(4-ethoxyphenyl)ethane-1,2-dione2132-59-4C18H18O4
- Vitamin K1 aglycone I51732-61-7C18H18O4
- Stemofuran J439900-92-2C18H18O4
- Stemofuran F439900-88-6C18H18O4
- Methyl (alphaE)-4-methoxy-alpha-((4-methoxyphenyl)methylene)benzeneacetate50415-62-8C18H18O4
- (AlphaR)-4-methoxy-gamma-oxo-alpha-(phenylmethyl)benzenebutanoic acid68973-52-4C18H18O4
- Trigonochinene E1053209-98-5C18H18O4
- 4-{[(2,2-Dimethyl-2,3-dihydro-1-benzofuran-7-yl)oxy]methyl}benzoic acid1105194-08-8C18H18O4
- 4-[(2-Methoxy-6-prop-2-enylphenoxy)methyl]benzoic acid444079-44-1C18H18O4
- 9-(5-Methylfuran-2-yl)-3,4,5,6,7,9-hexahydro-1H-xanthene-1,8(2H)-dione865591-24-8C18H18O4
- 4',6'-Dimethoxy-2'-hydroxy-4-methylchalcone861107-94-0C18H18O4
- 1,4-Bis(2'-hydroxy-4'-methylphenyl)butane-1,4-dione122427-50-3C18H18O4
- 1 suppliers9,10-Ethanoanthracene-2,3,6,7-tetrol, 9,10-dihydro-9,10-dimethyl-95156-77-7C18H18O4
- 4-Hydroxy-4'-(trimethylacetoxy)benzophenone114031-67-3C18H18O4
- Bifemetstrobin2454319-63-0C18H18O4
- 1 suppliers4-[4-(4-Formylphenoxy)butoxy]benzaldehyde77355-00-1C18H18O4
- 3-Prenyl-2,4,6-trihydroxybenzophenone93796-20-4C18H18O4
- 4-Acetylphenyl 2-(4-ethylphenoxy)acetate391219-53-7C18H18O4
- 4-(Propan-2-yl)phenyl 2,3-dihydro-1,4-benzodioxine-2-carboxylate874355-04-1C18H18O4
- (E)-4-(3,5-Dimethoxystyryl)phenyl acetate63366-83-6C18H18O4
- 4,2',5'-Trimethoxychalcone114021-53-3C18H18O4
- (2E)-1-(2,4-Dimethoxyphenyl)-3-(2-methoxyphenyl)prop-2-en-1-one62536-70-3C18H18O4
- 1 suppliers3-Methyl-5-oxo-5-(4-phenoxyphenyl)valeric acid64157-56-8C18H18O4
- 1 suppliers4-Methoxyphenyl 4'-(3-butenyloxy)benzoate76487-56-4C18H18O4
- 2',4'-Dihydroxy-3,7':4,8'-diepoxylign-7-ene666250-52-8C18H18O4
- (2E)-3-(2,4-Dimethoxyphenyl)-1-(2-methoxyphenyl)prop-2-en-1-one219488-09-2C18H18O4
- Stemofuran G439900-89-7C18H18O4
- (2E)-3-(2,4-Dimethoxyphenyl)-1-(3-methoxyphenyl)prop-2-en-1-one219298-57-4C18H18O4
- (E)-3-Hydroxy-5-methoxy-4,4-dimethyl-2-(1-oxo-3-phenylpropen-2-yl)cyclohexa-2,5-dien-1-one56015-03-3C18H18O4
- Diethyl diphenate5807-65-8C18H18O4
- Ethyl-2-(4-dibenzofuranyloxy)-2-methylpropionic acid41799-25-1C18H18O4
- 2,9-Dimethoxy-5a,10b-dimethyl-[1]benzofuro[2,3-b][1]benzofuran59521-18-5C18H18O4
- (2E)-1-(3,4-Dimethoxyphenyl)-3-(2-methoxyphenyl)prop-2-en-1-one357206-27-0C18H18O4
- Methyl 2-(2-(benzyloxy)phenyl)-3-methoxyacrylate106789-12-2C18H18O4
- Ethyl 3-[3-(benzyloxy)phenyl]-3-oxopropanoate73083-19-9C18H18O4
- 1,2-Diphenylethylene diacetate3682-07-3C18H18O4
- 1,3-Butylene glycol dibenzoate2867-65-4C18H18O4
- 1,6-Diphenyl hexanedioate3195-37-7C18H18O4
- (2E)-3-{4-Methoxy-3-[(4-methylphenoxy)methyl]phenyl}prop-2-enoic acid512809-27-7C18H18O4
- 3'-(tert-Butyl)-5'-formyl-4'-hydroxybiphenyl-4-carboxylic Acid935478-29-8C18H18O4
- Capillarin isovalerate653597-81-0C18H18O4
- (2E)-1-Phenyl-3-(2,3,4-trimethoxyphenyl)prop-2-en-1-one569325-85-5C18H18O4
- 7,4'-Dimethoxy-6-C-methylflavanone88795-40-8C18H18O4
- 2-Hydroxy-3-methyl-5-(2-phenylbutanoyl)benzoic acid50439-07-1C18H18O4
- Ethyl 5-acetyl-2-benzyloxybenzoate60561-28-6C18H18O4
- (2E)-3-(2,5-Dimethoxyphenyl)-1-(4-methoxyphenyl)prop-2-en-1-one1639856-62-4C18H18O4
- 2,4-Dimethoxy-2'-hydroxy-5'-methylchalcone1571080-70-0C18H18O4
- 1,3-Bis(3-methoxyphenyl)-2-methylpropane-1,3-dione832740-16-6C18H18O4
- (+)-4-Allyl-5-(1-(3,4-dihydroxyphenyl)allyl)benzene-1,2-diol1449387-72-7C18H18O4
- 1,4-Bis(4-methoxyphenyl)-1,4-butanedione15982-64-6C18H18O4
- 3,4-Dimethoxy-2'-hydroxy-5'-methylchalcone169132-94-9C18H18O4
- 1,3-Bis(4-methoxyphenyl)-2-methylpropane-1,3-dione95691-32-0C18H18O4
- 8-Benzoyl-5,7-dihydroxy-2,2-dimethylchromane63565-07-1C18H18O4
- 6-Benzoyl-5,7-dihydroxy-2,2-dimethylchromane86606-14-6C18H18O4
- 9-(Hydroxymethyl)-2,3,6-trimethoxyphenanthrene30062-14-7C18H18O4
Frequently asked questions
What is the molar mass of C18H18O4?
The molar mass of C18H18O4 is 298.34 g/mol, calculated from standard atomic weights for 18 carbon atoms, 18 hydrogen atoms and 4 oxygen atoms. The monoisotopic mass is 304.1582 Da.
How many compounds have the formula C18H18O4?
CompoundList lists 334 compounds with the molecular formula C18H18O4, including Enterolactone, (3R,4R)-3,4-Bis((3-hydroxyphenyl)methyl)oxolan-2-one, Metochalcone. 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 C18H18O4?
C18H18O4 has a degree of unsaturation of 10. 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.