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 101 to 200 of 334 compounds
2-Propen-1-ol, 3-(3,4-dimethoxyphenyl)-, benzoate
CAS 47231-76-5C18H18O4
![4-[2-(3,4-Dimethylphenyl)-2-oxoethoxy]-3-methoxybenzaldehyde chemical structure, C18H18O4, CAS 725710-53-2](/s/LJQHIJIHYJGKKD-UHFFFAOYSA-N.svg)
4-[2-(3,4-Dimethylphenyl)-2-oxoethoxy]-3-methoxybenzaldehyde
CAS 725710-53-2C18H18O4
![7-[(2-Oxocyclohexyl)oxy]-2,3-dihydrocyclopenta[c]chromen-4(1H)-one chemical structure, C18H18O4, CAS 314743-57-2](/s/ASDUSTZWWFFOCR-UHFFFAOYSA-N.svg)
7-[(2-Oxocyclohexyl)oxy]-2,3-dihydrocyclopenta[c]chromen-4(1H)-one
CAS 314743-57-2C18H18O4
![1,2,3-Trimethoxy-5-[2-(4-methoxyphenyl)ethynyl]benzene chemical structure, C18H18O4, CAS 208347-68-6](/s/XVYOJBGBNUPSIP-UHFFFAOYSA-N.svg)
1,2,3-Trimethoxy-5-[2-(4-methoxyphenyl)ethynyl]benzene
CAS 208347-68-6C18H18O4
Diethyl biphenyl 3,3'-dicarboxylate
CAS 303730-26-9C18H18O4
tert-Butyl 4-benzoylbenzene-1-carboperoxoate
CAS 71616-77-8C18H18O4
Ethyl 3-(2-(benzyloxy)phenyl)oxirane-2-carboxylate
CAS 2231304-60-0C18H18O4
Phenol, 4,4'-(1,2-ethanediyl)bis-, 1,1'-diacetate
CAS 63450-00-0C18H18O4
3-(4-Benzyloxy-3-ethoxy-phenyl)-acrylic acid
C18H18O4
(2E)-1-(3,4-Dimethoxyphenyl)-3-(3-methoxyphenyl)prop-2-en-1-one
CAS 1021180-45-9C18H18O4
Methyl 2-(4-(benzyloxy)phenyl)-4-oxobutanoate
CAS 634196-85-3C18H18O4
Ethyl 4-oxo-4-(4-phenoxyphenyl)butyrate
CAS 52888-63-8C18H18O4
(R)-2-Benzyl-succinic acid 1-benzyl ester
CAS 116129-80-7C18H18O4
![1-{3-[2-(3-Acetylphenoxy)ethoxy]phenyl}ethan-1-one chemical structure, C18H18O4, CAS 112092-59-8](/s/QTKKYMGLXBOHTL-UHFFFAOYSA-N.svg)
1-{3-[2-(3-Acetylphenoxy)ethoxy]phenyl}ethan-1-one
CAS 112092-59-8C18H18O4
(E)-3-(4-(Benzyloxy)-3-hydroxyphenyl)allyl acetate
CAS 1579273-97-4C18H18O4
Schomburgbiphenyl A
CAS 1802142-48-8C18H18O4
3-(tert-Butyldioxy)-3-phenylphthalide
CAS 25251-51-8C18H18O4
3-Benzhydrylpentanedioic acid
CAS 93878-28-5C18H18O4
3,4-Diphenylhexanedioic acid
CAS 25347-44-8C18H18O4
2-(3,4-Dimethylphenyl)-2-oxoethyl 4-methoxybenzoate
CAS 432519-20-5C18H18O4
2-(3,4-Dimethylphenyl)-2-oxoethyl 2-methoxybenzoate
CAS 313394-86-4C18H18O4
Phenanthrene, 2,3,6,7-tetramethoxy-
CAS 30269-34-2C18H18O4
Propanedioic acid, methyl-, bis(phenylmethyl) ester
CAS 82794-36-3C18H18O4
Dimethyl 6,6'-dimethyl(1,1'-biphenyl)-2,2'-dicarboxylate
CAS 93878-26-3C18H18O4
- 3-([1,1'-Biphenyl]-2-yloxy)-2-hydroxypropyl 2-propenoate91442-28-3C18H18O4
- 3-[4-(3-Oxobutyl)phenoxymethyl]benzoic acid1016797-44-6C18H18O4
- 2-Acetoxy-4'-isopropoxybenzophenone890098-38-1C18H18O4
- 3-Acetoxy-4'-isopropoxybenzophenone890099-84-0C18H18O4
- 4-Acetoxy-4'-isopropoxybenzophenone890099-68-0C18H18O4
- Ethyl 2-(4-(benzyloxy)-2-methylphenyl)-2-oxoacetate1256466-41-7C18H18O4
- 1,3-Butylene glycol dibenzoate, (3S)-1092717-96-8C18H18O4
- (2.2)-Paracyclophane-2,5-dione, 2',5'-dimethoxy-55076-10-3C18H18O4
- 2-Ethoxyethyl 2-benzoylbenzoate604-63-7C18H18O4
- Ethyl (acetyloxy)(diphenyl)acetate4406-92-2C18H18O4
- 3,3',6,6'-Tetramethyl[1,1'-biphenyl]-2,2'-dicarboxylic acid15540-80-4C18H18O4
- 1,2-Bis(acetoxyphenyl)ethane102806-80-4C18H18O4
- 1,3-Benzodioxan-2-carboxylic acid, 4,6-dimethyl-4-phenyl-, methyl ester, (E)-86617-10-9C18H18O4
- 2,3,6,7-Tetramethoxyanthracene93878-11-6C18H18O4
- alpha-Isopropylbenzyl alcohol98656-16-7C18H18O4
- 10-Methoxy-2,2-dimethyl-8,9-dihydro-2H-cyclopenta[c]pyrano[2,3-h]chromen-6(7H)-one855779-25-8C18H18O4
- 2,2'-Bis(glycidyloxy)biphenyl52300-37-5C18H18O4
- 5-(1-Benzofuran-2-yl)-2-butanoylcyclohexane-1,3-dione92710-20-8C18H18O4
- 4-Acetoxy-4'-propoxybenzophenone890099-85-1C18H18O4
- 6-Oxo-6-(3-phenoxyphenyl)hexanoic acid951888-75-8C18H18O4
- Ethyl 4-oxo-4-(3-phenoxyphenyl)butyrate54364-83-9C18H18O4
- Dimethyl 2,2'-dimethylbiphenyl-4,4'-dicarboxylate31458-18-1C18H18O4
- Enterolactone-d6104411-11-2C18H18O4
- 1 suppliers2-(4-(((2,4-Dimethylbenzoyl)oxy)methyl)phenyl)acetic acid2097334-16-0C18H18O4
- Acetic acid, (2-benzoyl-4-methylphenoxy)-, ethyl ester72942-62-2C18H18O4
- Butyl 4-(benzoyloxy)benzoate6333-88-6C18H18O4
- Methyl 2-(4-methoxyphenyl)-4-oxo-4-phenylbutanoate23073-05-4C18H18O4
- 2-(2-Carboxy-6-ethylphenyl)-3-ethylbenzoic acid7509-70-8C18H18O4
- Anthracene, 1,4,9,10-tetramethoxy-106752-92-5C18H18O4
- 2-(4-Ethylphenyl)-2-oxoethyl 4-methoxybenzoate524043-51-4C18H18O4
- Ethyl 2-(3-benzoylphenoxy)propanoate74167-91-2C18H18O4
- Methanone, (2,4-dimethoxyphenyl)(4-(2-propenyloxy)phenyl)-75226-95-8C18H18O4
- (2E)-3-(3,4-Dimethoxyphenyl)-1-(3-methoxyphenyl)prop-2-en-1-one358656-59-4C18H18O4
- 4,4'-[Butane-1,3-diylbis(oxy)]dibenzaldehyde87367-66-6C18H18O4
- 1,6-Bis(4-hydroxyphenyl)-1,6-hexanedione20837-37-0C18H18O4
- Methyl 2,10-dimethyl-12H-dibenzo[d,g][1,3]dioxocin-6-carboxylate40280-73-7C18H18O4
- Hexanedioic acid, 2,2-diphenyl-103387-44-6C18H18O4
- 2-Acetoxy-4'-propoxybenzophenone890098-54-1C18H18O4
- 3-Acetoxy-4'-propoxybenzophenone890100-02-4C18H18O4
- 3-(Cyclopropylmethoxy)-4-(phenylmethoxy)benzoic acid1255707-31-3C18H18O4
- 1,3-Butylene glycol dibenzoate, (3R)-1155350-63-2C18H18O4
- 5',5''-Didemethoxypinoresinol88082-92-2C18H18O4
- Diethyl [(naphthalen-1-yl)methylidene]propanedioate52505-38-1C18H18O4
- Methyl 2-(2-methoxycarbonyl-4-methylphenyl)-5-methylbenzoate2941-80-2C18H18O4
- 3-Isopropoxy-8-methoxy-4-methyl-6H-benzo[c]chromen-6-one370585-91-4C18H18O4
- AB-131/4230149765564-60-5C18H18O4
- 2-(4-Ethylphenyl)-2-oxoethyl 2-hydroxy-3-methylbenzoate524042-98-6C18H18O4
- 2-Propen-1-one, 1-(3,4-dimethoxyphenyl)-3-(4-methoxyphenyl)-, (2E)-214264-42-3C18H18O4
- Propionic acid, 2-(3-(p-methylbenzoyl)-o-tolyloxy)-74168-14-2C18H18O4
- Propionic acid, 2-(m-(2,4-dimethylbenzoyl)phenoxy)-74168-15-3C18H18O4
- 5,7-Dimethoxy-2-methyl-2-phenyl-chroman-4-one135110-60-0C18H18O4
- (2E)-3-(3,4-Dimethoxyphenyl)-1-(2-methoxyphenyl)prop-2-en-1-one1620649-86-6C18H18O4
- (2,4-Dimethylbenzoyl) 2,4-dimethylbenzenecarboperoxoate96436-27-0C18H18O4
- 3,3',5,5'-Tetramethyl-[1,1'-biphenyl]-4,4'-dicarboxylic acid58019-29-7C18H18O4
- 2,2-Dimethyl-4-oxo-4-(4-phenoxyphenyl)butyric acid951893-19-9C18H18O4
- 1-[3-Methoxy-4-(phenylmethoxy)phenyl]cyclopropanecarboxylic acid1056933-70-0C18H18O4
- Bis(3-methylphenyl) butanedioate16093-53-1C18H18O4
- 4-O-Benzyl tyrosol a-acetate 3-aldehyde1237517-66-6C18H18O4
- rac Ketoprofen PEG 400 Ester70125-82-5C18H18O4
- 4H-1-Benzopyran-4-one, 2,3-dihydro-7-hydroxy-5-methoxy-6,8-dimethyl-2-phenyl-, (R)-83247-72-7C18H18O4
- 7-Methoxy-3a-methyl-5,10,11,11a-tetrahydro-4H-naphtho[2,1-e][2]benzofuran-1,3-dione67390-39-0C18H18O4
- 7-Methoxy-11a-methyl-4,5,10,11-tetrahydro-3aH-naphtho[2,1-e][2]benzofuran-1,3-dione67390-38-9C18H18O4
- Ethyl 2-(8-methoxy-1-oxo-2,3-dihydrocyclopenta[a]naphthalen-2-yl)acetate72907-97-2C18H18O4
- Methyl 6-methoxy-2-methyl-1-oxo-3,4-dihydrophenanthrene-2-carboxylate7471-38-7C18H18O4
- Dimethyl 2,2'-(ethane-1,2-diyl)dibenzoate60040-82-6C18H18O4
- 4-[5-Methoxy-3-(5-methylfuran-2-yl)-1-benzofuran-2-yl]butan-2-one220901-06-4C18H18O4
- 5-Methyl-6-[2-(6-methyl-1,3-benzodioxol-5-yl)ethyl]-1,3-benzodioxole677749-60-9C18H18O4
- 4-(4-Butylphenylcarbonyloxy)benzoic acid35620-05-4C18H18O4
- Phthalic acid, 2-isopropylphenyl methyl ester959218-26-9C18H18O4
- (2E)-1-(2,4-Dimethoxyphenyl)-3-(3-methoxyphenyl)prop-2-en-1-one1663469-39-3C18H18O4
- (2R,3R)-2,3-Dibenzylsuccinic acid123295-57-8C18H18O4
- 2-Butanone, 3-(benzoyloxy)-1-(phenylmethoxy)-, (3S)-164145-51-1C18H18O4
- 9-Anthracenol, 1,3,8-trimethoxy-6-methyl-138370-20-4C18H18O4
- 2-[(1-Phenylbutoxy)carbonyl]benzoic acid91491-80-4C18H18O4
- Anthracene, 1,2,4,9-tetramethoxy-834867-33-3C18H18O4
- Agn-PC-0NI9XX4200-28-6C18H18O4
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 2-Propen-1-ol, 3-(3,4-dimethoxyphenyl)-, benzoate, 4-[2-(3,4-Dimethylphenyl)-2-oxoethoxy]-3-methoxybenzaldehyde, 7-[(2-Oxocyclohexyl)oxy]-2,3-dihydrocyclopenta[c]chromen-4(1H)-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 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.