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 201 to 300 of 334 compounds
Bis(1-phenylethyl) ethanedioate
CAS 24523-30-6C18H18O4
Bis(4-methylphenyl) butanedioate
CAS 16093-57-5C18H18O4
2-Oxo-2-phenylethyl 3-(4-methoxyphenyl)propanoate
CAS 886133-47-7C18H18O4
2,2'-(Anthracene-9,10-diylbis(oxy))diethanol
CAS 874674-31-4C18H18O4
(2E)-3-(2,3-Dimethoxyphenyl)-1-(2-methoxyphenyl)prop-2-en-1-one
CAS 1354941-90-4C18H18O4
Bis(2,6-dimethylbenzoyl) Peroxide
CAS 96436-29-2C18H18O4
Methyl 3-(5-ethyl-2-methoxybenzoyl)benzoate
CAS 61750-30-9C18H18O4
Methyl 2-(p-benzoylphenoxy)-2-methylpropionate
CAS 42019-11-4C18H18O4
(E)-3-(4-(Benzyloxy)phenyl)-2-ethoxyacrylic acid
CAS 1017789-28-4C18H18O4
![4-[(But-3-en-1-yl)oxy]phenyl 4-methoxybenzoate chemical structure, C18H18O4, CAS 114482-61-0](/s/NYLQIBUIWUSWGU-UHFFFAOYSA-N.svg)
4-[(But-3-en-1-yl)oxy]phenyl 4-methoxybenzoate
CAS 114482-61-0C18H18O4
4-Benzyloxy-2,2-dimethyl-2,3-dihydro-benzofuran-6-carboxylic acid
CAS 955885-33-3C18H18O4
3-(3,4-Dimethoxyphenyl)-1-(2-hydroxy-3-methylphenyl)prop-2-en-1-one
CAS 1313738-74-7C18H18O4
![3-[4-(Benzyloxy)-3-methoxyphenyl]-2-methylprop-2-enoic acid chemical structure, C18H18O4, CAS 77269-57-9](/s/XAUREBQXUHVCAP-UHFFFAOYSA-N.svg)
3-[4-(Benzyloxy)-3-methoxyphenyl]-2-methylprop-2-enoic acid
CAS 77269-57-9C18H18O4
rac Enterolactone-13C3
CAS 918502-72-4C18H18O4
![4-[2-(Benzyloxycarbonyl)ethoxy]-2-methylbenzaldehyde chemical structure, C18H18O4, CAS 661481-14-7](/s/NOGWQTGWRMBDOW-UHFFFAOYSA-N.svg)
4-[2-(Benzyloxycarbonyl)ethoxy]-2-methylbenzaldehyde
CAS 661481-14-7C18H18O4
Tababiphenyl C
CAS 1644433-50-0C18H18O4
5-Benzyloxy-2-cyclopropylmethoxybenzoic acid
CAS 2270907-98-5C18H18O4
1,2-Phenanthrenediol, 1,2,3,4-tetrahydro-, diacetate, trans-
CAS 60967-93-3C18H18O4
Phenyl(2-phenyl-1,3-dioxolan-2-yl)methyl acetate
CAS 6963-16-2C18H18O4
![6,16-Dimethoxytricyclo[9.2.2.14,8]hexadeca-1(13),4,6,8(16),11(15)-pentaene-12,14-dione chemical structure, C18H18O4, CAS 72652-41-6](/s/MRIKIOCPJWLPIP-UHFFFAOYSA-N.svg)
6,16-Dimethoxytricyclo[9.2.2.14,8]hexadeca-1(13),4,6,8(16),11(15)-pentaene-12,14-dione
CAS 72652-41-6C18H18O4
![[2]Benzopyrano[4,3-b][1]benzopyran, 5,6a,7,12a-tetrahydro-6a,10-dimethoxy- chemical structure, C18H18O4, CAS 14991-63-0](/s/JVXKLXVZSKFCML-UHFFFAOYSA-N.svg)
[2]Benzopyrano[4,3-b][1]benzopyran, 5,6a,7,12a-tetrahydro-6a,10-dimethoxy-
CAS 14991-63-0C18H18O4
2-Propen-1-one, 1-(2-hydroxy-4,6-dimethoxyphenyl)-3-(4-methylphenyl)-
CAS 76554-25-1C18H18O4
(2E)-1-(2,5-Dimethoxyphenyl)-3-(3-methoxyphenyl)prop-2-en-1-one
CAS 850169-93-6C18H18O4
(2E)-3-(2,3-Dimethoxyphenyl)-1-(3-methoxyphenyl)prop-2-en-1-one
CAS 358656-55-0C18H18O4
- (2E)-1-(2,5-Dimethoxyphenyl)-3-(2-methoxyphenyl)prop-2-en-1-one854835-27-1C18H18O4
- Ethyl (2-benzyloxybenzoyl)acetate39208-08-7C18H18O4
- (4-Hydroxyphenyl)[3-(trimethylacetoxy)phenyl]methanone263395-57-9C18H18O4
- 1,4,5,8-Tetramethoxyanthracene93878-10-5C18H18O4
- Bis(4-ethylbenzoyl) Peroxide625831-11-0C18H18O4
- 3,3-Bis(4-methoxyphenyl)-4-methylidene-1,2-dioxolane87190-18-9C18H18O4
- 2,3-Dimethyl-2,3-diphenylbutanedioic acid95540-83-3C18H18O4
- Bis(2,6-dimethylphenyl) ethanedioate61417-94-5C18H18O4
- tert-Butyl 2-benzoylbenzene-1-carboperoxoate136794-16-6C18H18O4
- (2E)-3-(2,5-Dimethoxyphenyl)-1-(3-methoxyphenyl)prop-2-en-1-one219299-36-2C18H18O4
- (2E)-3-(2,5-Dimethoxyphenyl)-1-(2-methoxyphenyl)prop-2-en-1-one219299-46-4C18H18O4
- Ethyl 2'-methoxy-6'-(2-oxoethyl)[1,1'-biphenyl]-3-carboxylate163117-87-1C18H18O4
- 1,2-Bis(2-ethoxyphenyl)-1,2-ethanedione342043-51-0C18H18O4
- 4,4'-(Butane-2,2-diyl)dibenzoic acid1444-73-1C18H18O4
- Benzyl 3-ethoxycarbonylmethylbenzoate1190391-39-9C18H18O4
- (2S)-2,3-Dihydro-5,7-dimethoxy-6-methyl-2-phenyl-4H-1-benzopyran-4-one128508-16-7C18H18O4
- 3-(4-Benzyloxyphenyl)-2-ethoxyacrylic acidC18H18O4
- 2-{2-[2-(Ethoxycarbonyl)phenyl]ethyl}benzoic acid593248-91-0C18H18O4
- 4'-[(Oxan-2-yl)oxy][1,1'-biphenyl]-4-carboxylic acid260554-28-7C18H18O4
- Methyl 2-[(acetyloxy)methyl]-2'-methylbiphenyl-4-carboxylate1140462-17-4C18H18O4
- 2-Propen-1-one, 3-(3,4-dimethoxyphenyl)-1-(2-hydroxy-3-methylphenyl)-C18H18O4
- [2-Hydroxy-4-[2-(2-propen-1-yloxy)ethoxy]phenyl]phenylmethanone71819-94-8C18H18O4
- 3,4-Phenanthrenediol, 1,2,3,4-tetrahydro-, diacetate, trans-60967-97-7C18H18O4
- 1-Naphthaleneacetic acid, 2-((2-methyl-1-oxo-2-propenyl)oxy)ethyl ester110471-34-6C18H18O4
- 4-(4'-Methoxy-biphenyl-4-yl)4-oxo-butyric acid, methyl ester54011-26-6C18H18O4
- Hexanedioic acid, 3,3-diphenyl-93878-29-6C18H18O4
- Benzoic acid, 2-[1-(4-methoxyphenyl)-3-oxobutyl]-569343-15-3C18H18O4
- Benzoic acid, 5-[(4-ethenylphenyl)methoxy]-2-hydroxy-, ethyl ester834894-11-0C18H18O4
- 2,3-Di-O-benzyl-L-threonic acid-1,4-lactone150575-74-9C18H18O4
- 4-Hydroxy-4-[methoxy(diphenyl)methyl]oxolan-2-one61601-89-6C18H18O4
- Benzoic acid, 3-(1-oxopropyl)-2-(phenylmethoxy)-, methyl ester88580-03-4C18H18O4
- 1-(2-Benzoyl-4,5-dimethoxyphenyl)propan-2-one75114-69-1C18H18O4
- 1,8,9,10-Tetramethoxyanthracene106752-94-7C18H18O4
- 3-[4-(3-Formylphenoxy)butoxy]benzaldehyde121799-26-6C18H18O4
- 1-(4-Ethoxyphenyl)-3-(4-methoxyphenyl)propane-1,3-dione140368-05-4C18H18O4
- 4,4',6,6'-Tetramethyl[1,1'-biphenyl]-2,2'-dicarboxylic acid7343-14-8C18H18O4
- Methyl 3-[4-(benzyloxy)phenyl]-3-methyloxirane-2-carboxylate1878940-35-2C18H18O4
- 2-Methyl-2-[3-(4-methylbenzoyl)phenoxy]propanoic acid62809-88-5C18H18O4
- 4,4-Bis(4-methoxyphenyl)but-3-enoic acid109393-92-2C18H18O4
- Bis(3,5-dimethylbenzoyl) peroxide71344-37-1C18H18O4
- 2,2'-[[1,1'-Biphenyl]-2,3-diylbis(oxymethylene)]bis(oxirane)49548-34-7C18H18O4
- (2,3-Dimethylbenzoyl) 2,3-dimethylbenzenecarboperoxoate96436-26-9C18H18O4
- (2,5-Dimethylbenzoyl) 2,5-dimethylbenzenecarboperoxoate96436-28-1C18H18O4
- Ethyl [4-(2-oxo-2-phenylethoxy)phenyl]acetate56441-90-8C18H18O4
- (2E)-3-{4-Methoxy-3-[(2-methylbenzyl)oxy]phenyl}acrylic acid938148-25-5C18H18O4
- 2-Methoxy-6-(3-phenoxy-propenyl)-benzoic acid methyl ester1171921-84-8C18H18O4
- 1-(2-Hydroxyphenyl)-5-(4-methoxyphenyl)pentane-1,3-dione92891-87-7C18H18O4
- 3,3 inverted exclamation mark-([1,1 inverted exclamation mark-Biphenyl]-4,4 inverted exclamation mark-diyl)dipropionic Acid6811-54-7C18H18O4
- 1-(2-Hydroxy-3-methoxyphenyl)-5-phenylpentane-1,3-dione61828-57-7C18H18O4
- 3,4-Bis[(4-hydroxyphenyl)methyl]oxolan-2-one117872-27-2C18H18O4
- Dimethyl 3-(naphthalen-2-yl)cyclobutane-1,2-dicarboxylate139265-06-8C18H18O4
- 1-(Dibenzo[b,d]furan-2-yl)-2,2-diethoxyethanone66186-79-6C18H18O4
- Bis(3,5-dimethylphenyl) ethanedioate61417-95-6C18H18O4
- 4,6-Dimethoxy-3-(2-methoxyphenyl)-2-methyl-1-benzofuran922140-92-9C18H18O4
- 4,6-Dimethoxy-3-(3-methoxyphenyl)-2-methyl-1-benzofuran922140-91-8C18H18O4
- 4,6-Dimethoxy-3-(4-methoxyphenyl)-2-methyl-1-benzofuran922140-83-8C18H18O4
- 2-Carboxyphenyl benzenepentanoate64206-55-9C18H18O4
- Allyl 4-(benzyloxy)-3-methoxybenzoate1706456-33-8C18H18O4
- 1-[4-(1,3-Dioxan-2-yl)phenyl]-2-phenoxyethan-1-one1282541-09-6C18H18O4
- (1R,3S)-1-Hydroxy-1-(2-hydroxyphenyl)-3-phenylhexane-2,5-dione143086-30-0C18H18O4
- 5-(Benzyloxy)-2-(but-3-en-1-yloxy)benzoic acid2295967-92-7C18H18O4
- 4-(Benzyloxy)-2-(cyclopropylmethoxy)benzoic acid2748277-15-6C18H18O4
- 1,1a(2),3,3a(2)-Tetrahydro-3,3a(2)-dimethoxy-1,1a(2)-biisobenzofuran10591-58-9C18H18O4
- (R)-STU104-d63063042-81-6C18H18O4
- (E)-1-(2-Hydroxy-4-methoxy-6-methylphenyl)-3-(4-methoxyphenyl)prop-2-en-1-one86338-39-8C18H18O4
- 7,8-Dimethoxy-2-(4-methoxyphenyl)-2H-1-benzopyran16984-93-3C18H18O4
- Dimethyl 6,6'-dimethyl[1,1'-biphenyl]-3,3'-dicarboxylate55091-49-1C18H18O4
- 5,5',6,6'-Tetramethyl[1,1'-biphenyl]-2,2'-dicarboxylic acid7343-07-9C18H18O4
- Methyl 2-(3-benzoylphenoxy)-2-methylpropanoate62809-79-4C18H18O4
- 4-Methoxy-2-(6-methoxy-4-methyl-2H-1-benzopyran-3-yl)phenol88072-76-8C18H18O4
- 2-Acetyl-4,6-dimethylphenyl 2-methoxybenzoate88952-19-6C18H18O4
- 2-Acetyl-4,6-dimethylphenyl 3-methoxybenzoate88952-20-9C18H18O4
- 2-Acetyl-4,6-dimethylphenyl 4-methoxybenzoate88952-21-0C18H18O4
- 2-Acetyl-4,5-dimethylphenyl 2-methoxybenzoate88952-24-3C18H18O4
- 2-Acetyl-4,5-dimethylphenyl 3-methoxybenzoate88952-25-4C18H18O4
- 2-Acetyl-4,5-dimethylphenyl 4-methoxybenzoate88952-26-5C18H18O4
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 Bis(1-phenylethyl) ethanedioate, Bis(4-methylphenyl) butanedioate, 2-Oxo-2-phenylethyl 3-(4-methoxyphenyl)propanoate. 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.