C23H18O3
53 compounds have this formula on CompoundList.
- Molar mass
- 342.39g/mol
- Monoisotopic mass
- 344.1381Da
- Atoms
- 44
- Elements
- 3
- Rings plus double bonds
- 15
The formula C23H18O3 describes a molecule made of 23 carbon atoms, 18 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 × 2380.68%12.011 × 23 = 276.253 g/mol
- H Hydrogen × 185.30%1.008 × 18 = 18.144 g/mol
- O Oxygen × 314.02%15.999 × 3 = 47.997 g/mol
Compounds with the formula C23H18O3
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 53 of 53 compounds
![2-[(4-Methoxyphenyl)methylidene]-1,3-diphenylpropane-1,3-dione chemical structure, C23H18O3, CAS 28918-07-2](/s/GFYGTFXMFBVZNV-UHFFFAOYSA-N.svg)
![7-[(2-Methylphenyl)methoxy]-3-phenylchromen-4-one chemical structure, C23H18O3, CAS 773150-67-7](/s/DWKSFAHQRKAKNX-UHFFFAOYSA-N.svg)
![7-[(4-Methylphenyl)methoxy]-3-phenylchromen-4-one chemical structure, C23H18O3, CAS 449738-91-4](/s/KNRMBWPXGDPTQN-UHFFFAOYSA-N.svg)
![4-[(1Z)-3-Oxo-3-phenylprop-1-en-1-yl]phenyl 4-methylbenzoate chemical structure, C23H18O3, CAS 111965-04-9](/s/NKZWWLYMFCSYQB-WJDWOHSUSA-N.svg)
![(13bS)-5,6-Dihydro-4H-dinaphtho[2,1-f:1',2'-h][1,5]dioxonin-5-ol chemical structure, C23H18O3, CAS 477327-67-6](/s/PRCLHIJLFSRGHI-UHFFFAOYSA-N.svg)
![7-(1-Naphthylmethoxy)-2,3-dihydrocyclopenta[c]chromen-4(1H)-one chemical structure, C23H18O3, CAS 372502-08-4](/s/GESFJPWESJPJEQ-UHFFFAOYSA-N.svg)
![[2-[(E)-3-Oxo-3-phenylprop-1-enyl]phenyl] 2-methylbenzoate chemical structure, C23H18O3, CAS 489442-86-6](/s/UEQGDRKZHKMYKT-FOCLMDBBSA-N.svg)
![6-Ethoxy-2-[(4-phenylphenyl)methylene]benzo[b]furan-3-one chemical structure, C23H18O3, CAS 620547-18-4](/s/QVXACPBXLYIXGS-HMAPJEAMSA-N.svg)
![7-Methyl-9-phenyl-10,11-dihydro-5H,9H-benzo[c]pyrano[3,2-g]chromen-5-one chemical structure, C23H18O3, CAS 858769-37-6](/s/GYQVZJIKNDYYDY-UHFFFAOYSA-N.svg)
![4-[(1E)-3-Oxo-3-phenyl-1-propenyl]phenyl phenylacetate chemical structure, C23H18O3, CAS 331459-91-7](/s/PEYFTQHWVHBMKD-DTQAZKPQSA-N.svg)
- 4-[Hydroxy(diphenyl)methyl]naphthalene-1,2-diol3811-48-1C23H18O3
- 9(10H)-Anthracenone, 10-[(2,5-dimethoxyphenyl)methylene]-198134-50-8C23H18O3
- 5-Carboxy-2-methyl-3-(4-phenylbenzyl)benzo[b]furan219763-17-4C23H18O3
- trans-3,4-Dihydroxy-anti-1,2-epoxy-7-methyl-1,2,3,4-tetrahydrodibenz(a,j)anthracene122745-69-1C23H18O3
- Ethyl 7-oxo-7,8,9,10-tetrahydrobenzo(pqr) tetraphene-10-carboxylate86803-15-8C23H18O3
- 6-Methoxy-2-(naphthalen-2-ylmethyl)naphthalene-1-carboxylic acid114326-27-1C23H18O3
- 5-Benzoyl-3,4-diphenyloxolan-2-one6322-80-1C23H18O3
- 2-([1,1'-Biphenyl]-4-yl)-2-oxoethyl (2E)-3-phenylprop-2-enoate116373-37-6C23H18O3
- Chromone, 2-(hydroxydiphenylmethyl)-3-methyl-20924-67-8C23H18O3
- (3Z)-3-[(2-Methoxyphenyl)methylidene]-5-(6-methylnaphthalen-2-yl)furan-2-one341011-39-0C23H18O3
- 2-Propenoic acid, 3-phenyl-, 2-oxo-1,2-diphenylethyl ester105887-23-8C23H18O3
- Benzoic acid, 4-methyl-, 4-(1-oxo-3-phenyl-2-propenyl)phenyl ester111819-11-5C23H18O3
- Benz(j)aceanthrylen-1-d-6-ol, 1,2-dihydro-1-d-9-methoxy-, acetate111266-93-4C23H18O3
- 6H,7H-[1]Benzopyrano[4,3-b][1]benzopyran, 6-(4-methoxyphenyl)-850152-09-9C23H18O3
- 5-(4-Methoxyphenyl)-3,3-diphenyl-2(3H)-furanone1955-40-4C23H18O3
- 1-(5-Methoxy-2,3-diphenyl-1-benzofuran-6-yl)ethan-1-one54525-59-6C23H18O3
- 7-([1,1'-Biphenyl]-4-ylmethoxy)-2H-chromene-3-carbaldehyde1228582-33-9C23H18O3
- 7-Hydroxy-2-phenyl-6-(1-phenylethyl)-4H-1-benzopyran-4-one65750-21-2C23H18O3
- 6-Acetyloxy-3-methoxy-11,12-dihydro-benzopyrene1797227-23-6C23H18O3
- 2-Butene-1,4-dione, 1-(o-hydroxyphenyl)-2-phenyl-4-m-tolyl-33470-15-4C23H18O3
- 1-{4-[3-(4-Phenoxyphenoxy)prop-1-yn-1-yl]phenyl}ethan-1-one89878-40-0C23H18O3
- 5-(4-Methoxyphenyl)-3,5-diphenylfuran-2(5H)-one56258-94-7C23H18O3
- [2-Oxo-2-(4-phenylphenyl)ethyl] (Z)-3-phenylprop-2-enoate6942-72-9C23H18O3
- 2-(4-Methoxyphenyl)-1,4-diphenylbut-2-ene-1,4-dione88406-93-3C23H18O3
- 2-(3-Methoxyphenyl)-1,4-diphenylbut-2-ene-1,4-dione88406-94-4C23H18O3
- (Anthracen-9-yl)methyl 4-methoxybenzoate200135-02-0C23H18O3
- 4-Oxo-1,4-diphenylbut-1-en-1-yl benzoate61668-30-2C23H18O3
- Methyl 4-methoxy-2-(phenanthren-9-yl)benzoate61169-95-7C23H18O3
- Methyl 3-(benzyloxy)-4'-ethynyl-[1,1'-biphenyl]-4-carboxylate3078549-99-9C23H18O3
Frequently asked questions
What is the molar mass of C23H18O3?
The molar mass of C23H18O3 is 342.39 g/mol, calculated from standard atomic weights for 23 carbon atoms, 18 hydrogen atoms and 3 oxygen atoms. The monoisotopic mass is 344.1381 Da.
How many compounds have the formula C23H18O3?
CompoundList lists 53 compounds with the molecular formula C23H18O3, including 10-(3,4-Dimethoxybenzylidene)-9-anthrone, 2-[(4-Methoxyphenyl)methylidene]-1,3-diphenylpropane-1,3-dione, 7-Methoxy-3-(4-methylphenyl)-2-phenyl-4H-1-benzopyran-4-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 C23H18O3?
C23H18O3 has a degree of unsaturation of 15. 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.