Molecular formula
C18H14O3
216 compounds have this formula on CompoundList.
- Molar mass
- 278.31g/mol
- Monoisotopic mass
- 278.0943Da
- Atoms
- 35
- Elements
- 3
- Rings plus double bonds
- 12
The formula C18H14O3 describes a molecule made of 18 carbon atoms, 14 hydrogen atoms and 3 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 × 1877.68%12.011 × 18 = 216.198 g/mol
- H Hydrogen × 145.07%1.008 × 14 = 14.112 g/mol
- O Oxygen × 317.25%15.999 × 3 = 47.997 g/mol
Look up another formula
Compounds with the formula C18H14O3
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 100 of 216 compounds
Dihydrotanshinone I
CAS 87205-99-0C18H14O3
1,2-Dihydrotanshinquinone
CAS 77769-21-2C18H14O3
Methylenetanshinquinone
CAS 67656-29-5C18H14O3
1,2-Epoxy-3,4-dihydroxy-1,2,3,4-tetrahydrobenzo(c)phenanthrene
CAS 111001-48-0C18H14O3
6-Acetylphenanthren-3-yl acetate
CAS 5346-01-0C18H14O3
3,4-Dihydroxy-1,2-epoxy-1,2,3,4-tetrahydrobenz(a)anthracene
CAS 64551-89-9C18H14O3
Chrysene,2-diol-3,4-epoxide-1
CAS 67252-82-8C18H14O3
8,9-Dihydro-4,8-dimethylphenanthro(3,2-b)furan-7,11-dione
CAS 20958-18-3C18H14O3
8,9-Dihydroxy-10,11-epoxy-8,9,10,11-tetrahydrobenz(a)anthracene
CAS 63038-83-5C18H14O3
8,9-Dihydro-8,9-dihydroxybenzanthracene 10,11-oxide
CAS 53760-21-7C18H14O3
Cinnamic anhydride
CAS 538-56-7C18H14O3
![3-[(Naphthalen-1-yloxy)methyl]benzoic acid chemical structure, C18H14O3, CAS 438465-54-4](/s/DNEWINHTWSXKJK-UHFFFAOYSA-N.svg)
3-[(Naphthalen-1-yloxy)methyl]benzoic acid
CAS 438465-54-4C18H14O3
6-(Benzyloxy)naphthalene-2-carboxylic acid
CAS 114804-77-2C18H14O3
4-Hydroxy-2-methylnaphthyl benzoate
CAS 2211-28-1C18H14O3
![5-[4-(4-Hydroxyphenyl)phenyl]benzene-1,3-diol chemical structure, C18H14O3, CAS 890854-82-7](/s/DADMQAUVBPTTDT-UHFFFAOYSA-N.svg)
5-[4-(4-Hydroxyphenyl)phenyl]benzene-1,3-diol
CAS 890854-82-7C18H14O3
7-Hydroxy-2-naphthyl 2-methylbenzoate
CAS 791796-45-7C18H14O3
4-Anthracen-2-yl-4-oxo-butanoic acid
CAS 73693-24-0C18H14O3
1,6-Dimethyl-1,2-dihydronaphtho(1,2-G)(1)benzofuran-10,11-dione
CAS 125623-97-4C18H14O3
6,7-Diphenyl-3-oxabicyclo(3.1.1)heptane-2,4-dione
CAS 2898-38-6C18H14O3
(2-Naphthyloxy)(phenyl)acetic acid
CAS 875820-12-5C18H14O3
gamma-Oxo-9-anthracenebutanoic acid
CAS 63471-84-1C18H14O3
1-Benzylidene-3-piperonylideneacetone
CAS 30927-25-4C18H14O3
3-Acetyl-4,5-diphenyl-2(5H)-furanone
CAS 21053-71-4C18H14O3
![7,9,10-Trimethyl-5H-benzo[c]furo[3,2-g]chromen-5-one chemical structure, C18H14O3, CAS 374704-25-3](/s/BSLUPSSLVHTBRC-UHFFFAOYSA-N.svg)
7,9,10-Trimethyl-5H-benzo[c]furo[3,2-g]chromen-5-one
CAS 374704-25-3C18H14O3
- 10,11-Dihydrodiol-8,9-epoxide benzanthracene63438-27-7C18H14O3
- Dihydroisotanshinone ii260397-58-8C18H14O3
- (2E)-1-(Furan-2-yl)-3-[5-(4-methylphenyl)furan-2-yl]prop-2-en-1-one40940-99-6C18H14O3
- 5H-Dibenzo(a,d)cycloheptene-2-acetic acid, alpha-methyl-5-oxo-63247-28-9C18H14O3
- 3-But-3-yn-2-yloxy-3-phenyl-2-benzofuran-1-one303130-98-5C18H14O3
- 6-(4-Methoxyphenyl)naphthalene-2-carboxylic acid132292-17-2C18H14O3
- 3-(4-Methoxybenzylidene)-5-phenylfuran-2(3H)-one13294-96-7C18H14O3
- 7-Allyl-6-hydroxy-2-phenyl-4H-chromen-4-one1395786-38-5C18H14O3
- 9-Hydroxy-1,2-dihydro-1,2-dihydroxychrysene96383-86-7C18H14O3
- Chrysenediol, 3,4-epoxy-1,2,3,4-tetrahydro-, (+)-(E)-64938-66-5C18H14O3
- 4-(1-Naphthylmethoxy)benzoic acid149326-17-0C18H14O3
- 3,4-Dihydroxy-1,2-epoxybenzo(c)phenanthrene82510-57-4C18H14O3
- syn-Chrysene-1,2-diol-3,4-epoxide64920-33-8C18H14O3
- B(c)PH diol epoxide-182510-59-6C18H14O3
- 3-[(Naphthalen-2-yloxy)methyl]benzoic acid438464-01-8C18H14O3
- syn-1,2,3,4-Tetrahydrochrysene-3,4-diol-1,2-epoxide83830-70-0C18H14O3
- 7-Methoxy-4-phenylnaphthalene-2-carboxylic acid132725-90-7C18H14O3
- anti-3,4-Dihydroxy-1,2-epoxy-1,2,3,4-tetrahydrobenzo(c)phenanthrene82510-58-5C18H14O3
- 2-((4-Ethoxyphenyl)methylene)indane-1,3-dione57189-82-9C18H14O3
- 1(2H)-Naphthalenone, 3,4-dihydro-2-(1,3-benzodioxol-5-ylmethylene)-49545-71-3C18H14O3
- Phenol, 3-(3-phenoxyphenoxy)-14200-84-1C18H14O3
- (+)-trans-3,4-Dihydroxy-1,2-epoxy-1,2,3,4-tetrahydrobenz(a)anthracene80433-81-4C18H14O3
- (+)-(1R,2S,3S,4R)-3,4-Dihydroxy-1,2-epoxy-1,2,3,4-tetrahydrobenz(a)anthracene80446-23-7C18H14O3
- 3-(Benzyloxy)naphthalene-2-carboxylic acid128019-31-8C18H14O3
- anti-8,9,10,11-Tetrahydro-8,9-dihydroxy-10,11-epoxybenz(a)anthracene63038-82-4C18H14O3
- rel-(1aR,2S,3R,11cS)-1a,2,3,11c-Tetrahydrotetrapheno[1,2-b]oxirene-2,3-diol80433-78-9C18H14O3
- Naphthalen-2-yl 2-methoxybenzoate85966-09-2C18H14O3
- 2-(Benzyloxy)-1-naphthoic Acid93655-27-7C18H14O3
- 4-(Phenylmethoxy)-1-naphthalenecarboxylic acid87344-63-6C18H14O3
- 5-(Benzyloxy)-7-methylnaphthalene-1,4-dione75445-60-2C18H14O3
- Ethyl 9-phenanthroylformate139746-29-5C18H14O3
- 2-Naphthyl 4-methoxybenzoate124854-38-2C18H14O3
- 1,4-Naphthalenedione, 2-(4-ethylphenyl)-3-hydroxy-67287-18-7C18H14O3
- 1-Naphthyl 2-methoxybenzoate85966-08-1C18H14O3
- (2E)-3-(2H-Chromen-3-yl)-1-(3-hydroxyphenyl)prop-2-en-1-one929513-41-7C18H14O3
- 4-Oxo-4-(phenanthren-9-yl)butanoic acid68151-15-5C18H14O3
- (1aR-(1aalpha,2alpha,3beta,11dalpha))-1a,2,3,11d-tetrahydrobenzo(5,6)phenanthro(3,4-b)oxirene-2,3-diol82510-56-3C18H14O3
- Methyl 3,4-diphenyl-2-furoate52101-36-7C18H14O3
- 2,6-Dimethyl-3-(phenylcarbonyl)chromen-4-one6506-36-1C18H14O3
- 4-(Naphthalen-2-yloxymethyl)benzoic acid149288-37-9C18H14O3
- 2-[(2-Ethoxyphenyl)methylidene]indene-1,3-dione61499-30-7C18H14O3
- 7-Methoxynaphthalen-2-yl benzoate293325-36-7C18H14O3
- BA 10,11-Diol-8,9-epoxide l63493-02-7C18H14O3
- anti-1,2,3,4-Tetrahydrochrysene-3,4-diol-1,2-epoxide70951-83-6C18H14O3
- Hydroxy(naphthalen-1-yl)phenylacetic acid6309-40-6C18H14O3
- Ethyl 2-(9-anthryl)-2-oxoacetate160727-68-4C18H14O3
- 4-Benzylphenyl 2-furoate432021-08-4C18H14O3
- Phenyl (2-naphthyloxy)acetate446826-17-1C18H14O3
- Methyl 4-hydroxy-1-phenylnaphthalene-2-carboxylate78250-29-0C18H14O3
- 7-(Benzyloxy)-2-naphthoic acid188904-08-7C18H14O3
- 4-(6-Methoxynaphthalen-2-yl)benzoic acid107430-57-9C18H14O3
- 1 suppliers8-Acetyl-6-methyl-2-phenyl-chromen-4-one201815-65-8C18H14O3
- 3,4-Dihydroxy-11-methyl-15,16-dihydrocyclopenta(a)phenanthren-17-one151751-38-1C18H14O3
- 2-(4-Methoxyphenyl)-6-phenyl-4H-pyran-4-one14116-43-9C18H14O3
- (Z)-6-Methoxy-2-((E)-3-phenylallylidene)benzofuran-3(2H)-one1695510-96-3C18H14O3
- 2-(4-Methoxy-2-methylbenzylidene)-1H-indene-1,3(2H)-dione723748-96-7C18H14O3
- 4-(4-Phenoxyphenoxy)phenol10181-94-9C18H14O3
- 3,4-Dibenzylfuran-2,5-dione71481-05-5C18H14O3
- 1-(Benzyloxy)-2-naphthoic acid128019-42-1C18H14O3
- (±)-(1R,2S,3R,4R)-3,4-Dihydro-3,4-dihydroxy-1,2-epoxybenz(a)anthracene64598-80-7C18H14O3
- (+)-(1S,2R,3R,4S)-3,4-Dihydroxy-1,2-epoxy-1,2,3,4-tetrahydrobenzo(c)phenanthrene76024-59-4C18H14O3
- Niosh/CW464005076094-80-9C18H14O3
- 2-[(4-Hydroxy-3,5-dimethylphenyl)methylidene]-1H-indene-1,3(2H)-dione53566-05-5C18H14O3
- 4H-1-Benzopyran-4-one, 2-phenyl-7-(2-propenyloxy)-65679-28-9C18H14O3
- 3-Methoxy-5-(naphthalen-2-yl)benzoic acid1261976-43-5C18H14O3
- 2-Methoxy-4-(naphthalen-2-yl)benzoic acid139082-99-8C18H14O3
- 2-Naphthalenecarboxylic acid, 4-(phenylmethoxy)1031223-87-6C18H14O3
- (+)-Chrysene-1-alpha,2-beta-diol-3-alpha,4-alpha-epoxide 180433-80-3C18H14O3
- 2-[Hydroxy(4-methylphenyl)methyl]naphthalene-1,4-dione6952-54-1C18H14O3
- 2-(1-Hydroxy-2-phenylethyl)naphthalene-1,4-dione6944-37-2C18H14O3
- Benzyl naphthalen-2-yl carbonate7107-60-0C18H14O3
- 9-Phenyl-4-oxatetracyclo[5.4.2.02,6.08,11]trideca-9,12-diene-3,5-dione4602-98-6C18H14O3
- Naphthalen-2-yl phenoxyacetate89735-33-1C18H14O3
- 5-Methoxy-2-(naphthalen-2-yl)benzoic acid1179874-12-4C18H14O3
- 3-Methoxy-4-(naphthalen-2-yl)benzoic acid1261921-24-7C18H14O3
- 2-Methoxy-3-(naphthalen-2-yl)benzoic acid1261933-62-3C18H14O3
Frequently asked questions
What is the molar mass of C18H14O3?
The molar mass of C18H14O3 is 278.31 g/mol, calculated from standard atomic weights for 18 carbon atoms, 14 hydrogen atoms and 3 oxygen atoms. The monoisotopic mass is 278.0943 Da.
How many compounds have the formula C18H14O3?
CompoundList lists 216 compounds with the molecular formula C18H14O3, including Dihydrotanshinone I, 1,2-Dihydrotanshinquinone, Methylenetanshinquinone. 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 C18H14O3?
C18H14O3 has a degree of unsaturation of 12. 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.