Molecular formula
C18H13NO2
107 compounds have this formula on CompoundList.
- Molar mass
- 275.31g/mol
- Monoisotopic mass
- 283.1448Da
- Atoms
- 34
- Elements
- 4
- Rings plus double bonds
- 13
The formula C18H13NO2 describes a molecule made of 18 carbon atoms, 13 hydrogen atoms, 1 nitrogen atom and 2 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 × 1878.53%12.011 × 18 = 216.198 g/mol
- H Hydrogen × 134.76%1.008 × 13 = 13.104 g/mol
- N Nitrogen × 15.09%14.007 × 1 = 14.007 g/mol
- O Oxygen × 211.62%15.999 × 2 = 31.998 g/mol
Look up another formula
Compounds with the formula C18H13NO2
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 100 of 107 compounds
Tetrophan
CAS 83-93-2C18H13NO2
2,6-Diphenylisonicotinic acid
CAS 38947-57-8C18H13NO2
Quinolin-8-yl (E)-3-phenylprop-2-enoate
CAS 798572-96-0C18H13NO2
4-Nitro-p-terphenyl
CAS 10355-53-0C18H13NO2
9,10-Dihydro-9,10-ethanoanthracene-11,12-dicarboximide
CAS 5721-34-6C18H13NO2
4'-Nitro-m-terphenyl
CAS 19625-70-8C18H13NO2
![11H-Benzo[a]carbazole-1,4-dione, 7,11-dimethyl- chemical structure, C18H13NO2, CAS 203115-64-4](/s/HYPOPXGVJOVIPH-UHFFFAOYSA-N.svg)
11H-Benzo[a]carbazole-1,4-dione, 7,11-dimethyl-
CAS 203115-64-4C18H13NO2
Acetic acid, cyano-9H-fluoren-9-ylidene-, ethyl ester
CAS 14003-25-9C18H13NO2
11-Methyl-11H-indeno(1,2-B)quinoline-10-carboxylic acid
CAS 853319-56-9C18H13NO2
2,5-Diphenyl-(1,4)benzoquinone monooxime
CAS 1965-34-0C18H13NO2
6-Ethyl-5H-indeno(1,2-c)isoquinoline-5,11(6H)-dione
CAS 81721-73-5C18H13NO2
2-Phenyl-(4-cinnamylidene)oxazolin-5-one
CAS 93920-46-8C18H13NO2
N-Acetyl-3-hydroxy-1-aminopyrene
CAS 99026-65-0C18H13NO2
(2E)-1-(4-Hydroxyphenyl)-3-(quinolin-4-yl)prop-2-en-1-one
CAS 315681-47-1C18H13NO2
![(4Z)-4-Benzylidene-2-[(E)-2-phenylethenyl]-1,3-oxazol-5-one chemical structure, C18H13NO2, CAS 49659-69-0](/s/RLOWORWEDZZSDF-SSLWBDRLSA-N.svg)
(4Z)-4-Benzylidene-2-[(E)-2-phenylethenyl]-1,3-oxazol-5-one
CAS 49659-69-0C18H13NO2
11-Cyano-9,10-dihydro-9,10-ethanoanthracene-11-carboxylic acid
CAS 60722-02-3C18H13NO2
4-(2-(1,3-Benzodioxol-5-yl)vinyl)quinoline
CAS 3253-51-8C18H13NO2
![4'-(Pyridin-4-yl)-[1,1'-biphenyl]-4-carboxylic acid chemical structure, C18H13NO2, CAS 1393711-96-0](/s/GLBNFSQIBPLMFR-UHFFFAOYSA-N.svg)
4'-(Pyridin-4-yl)-[1,1'-biphenyl]-4-carboxylic acid
CAS 1393711-96-0C18H13NO2
![4-[2-(Quinolin-2-yl)ethenyl]benzoic acid chemical structure, C18H13NO2, CAS 110113-96-7](/s/BYCHJWRZXPXCKH-YRNVUSSQSA-N.svg)
4-[2-(Quinolin-2-yl)ethenyl]benzoic acid
CAS 110113-96-7C18H13NO2
![(4E)-4-Benzylidene-2-[(E)-2-phenylethenyl]-1,3-oxazol-5-one chemical structure, C18H13NO2, CAS 40913-25-5](/s/RLOWORWEDZZSDF-VUWKKMCJSA-N.svg)
(4E)-4-Benzylidene-2-[(E)-2-phenylethenyl]-1,3-oxazol-5-one
CAS 40913-25-5C18H13NO2
2-(3-Phenoxybenzoyl)pyridine
CAS 898779-86-7C18H13NO2
Acetamide, N-(8-hydroxy-1-pyrenyl)-
CAS 91598-92-4C18H13NO2
Acetamide, N-(6-hydroxy-1-pyrenyl)-
CAS 91598-91-3C18H13NO2
2-(2-(1,3-Benzodioxol-5-yl)vinyl)quinoline
CAS 27951-92-4C18H13NO2
- 2~5~-Nitro-1~1~,2~1~:2~3~,3~1~-terphenyl87666-58-8C18H13NO2
- (2E)-1-(4-Hydroxyphenyl)-3-(quinolin-2-yl)prop-2-en-1-one315681-45-9C18H13NO2
- N-Hydroxy-N-1-pyrenylacetamide95331-48-9C18H13NO2
- (2E)-1-(3-Hydroxyphenyl)-3-(quinolin-2-yl)prop-2-en-1-one315681-46-0C18H13NO2
- 2-(4-Phenoxybenzoyl)pyridine68549-67-7C18H13NO2
- 1~4~-Nitro-1~1~,2~1~:2~2~,3~1~-terphenyl60366-37-2C18H13NO2
- 2-(Indolinylmethylene)indane-1,3-dione1023496-33-4C18H13NO2
- 2-[(E)-2-Phenylethenyl]quinoline-4-carboxylic acid118967-32-1C18H13NO2
- 9-(Pyridin-3-yl)-9H-xanthen-9-ol3704-83-4C18H13NO2
- 2~4~-Nitro-1~1~,2~1~:2~2~,3~1~-terphenyl60366-38-3C18H13NO2
- Quinolin-8-yl 3-phenylprop-2-enoate5296-42-4C18H13NO2
- 2-Nitro-1,1':2',1''-terphenyl60366-39-4C18H13NO2
- 4,6-Diphenylpyridine-2-carboxylic acid19625-63-9C18H13NO2
- 2-(10H-Phenoxazin-10-yl)phenol63062-44-2C18H13NO2
- 5-Biphenyl-4-yl-2-pyridinecarboxylic acid1406640-05-8C18H13NO2
- 6-(3-Phenyl-4-hydroxy-phenyl)-pyridin-2-carboxaldehyde544474-59-1C18H13NO2
- Terphenyl, nitro-86695-75-2C18H13NO2
- 1-(12H-Benzo[a]phenoxazin-12-yl)ethan-1-one6945-71-7C18H13NO2
- 3,5-Diphenylpyridine-2-carboxylic acid101605-25-8C18H13NO2
- 2-Acetoxy-2-cyanospiro[cyclopropane-1,9'-fluorene]87656-19-7C18H13NO2
- Naphth[1,2-d]oxazole, 2-(4-methoxyphenyl)-75510-87-1C18H13NO2
- 5H-[1]Benzopyrano[2,3-b]pyridin-5-ol, 5-phenyl-59303-77-4C18H13NO2
- (1H-Pyrrole-2,5-diyl)bis(phenylmethanone)111122-84-0C18H13NO2
- 3-Acetamidofluoranthen-2-ol192705-52-5C18H13NO2
- 3-Acetamidofluoranthen-8-ol192705-53-6C18H13NO2
- 3-Acetamidofluoranthen-9-ol192705-54-7C18H13NO2
- [(Naphthalen-1-yl)imino](phenyl)acetic acid101025-20-1C18H13NO2
- 6,11-Dihydrobenzo[b]acridine-12-carboxylic acid351000-55-0C18H13NO2
- 9-(Pyridin-4-yl)-9H-xanthen-9-ol16244-83-0C18H13NO2
- Methanone, (4-phenoxyphenyl)-4-pyridinyl-68549-68-8C18H13NO2
- 5,6-Diphenyl-pyridine-2-carboxylic acid1011467-21-2C18H13NO2
- 4-(Dibenzofuran-2-yloxy)aniline1389339-26-7C18H13NO2
- Benz(c)oxireno(a)acridine-11-methanol, 1a,11b-dihydro-88797-46-0C18H13NO2
- 2-Benzoyl-5-phenyl-2H-furan-5-carbonitrile6337-35-5C18H13NO2
- 4-Pyridinecarboxylic acid, [1,1'-biphenyl]-4-yl ester138330-07-1C18H13NO2
- (5-Benzoyl-1H-pyrrol-3-yl)(phenyl)methanone147088-89-9C18H13NO2
- 2-(1,3-Dihydro-2H-isoindol-2-yl)naphthalene-1,4-dione65033-02-5C18H13NO2
- 2,4-Diphenyl-4-(prop-2-yn-1-yl)-1,3-oxazol-5(4H)-one95885-57-7C18H13NO2
- (4-Phenoxyphenyl)(pyridin-3-yl)methanone68549-64-4C18H13NO2
- 1-(Anthracen-1-yl)pyrrolidine-2,5-dione122719-42-0C18H13NO2
- 2-(1-Methyl-1H-indol-2-yl)-4H-1-benzopyran-4-one177479-05-9C18H13NO2
- Picosulfate impurity 43181423-88-1C18H13NO2
- 2-(Aziridin-1-yl)-3-phenylnaphthalene-1,4-dione23205-94-9C18H13NO2
- 1-[2-(4-Nitrophenyl)ethenyl]azulene214193-77-8C18H13NO2
- 1-(2-Benzoylphenyl)-1H-pyrrole-2-carbaldehyde63507-48-2C18H13NO2
- 1-[2-(2-Nitrophenyl)ethenyl]azulene652142-03-5C18H13NO2
- 4-(5-Methoxy-2-benzofuranyl)isoquinoline877263-52-0C18H13NO2
- 2-(4-Phenoxyphenyl)-4-pyridinecarboxaldehyde1198794-18-1C18H13NO2
- (6-Phenoxypyridin-3-yl)(phenyl)methanone1355236-64-4C18H13NO2
- 3-Methylspiro[3-azabicyclo[3.1.0]hexane-6,9'-fluorene]-2,4-dione1156-21-4C18H13NO2
- 2-[3-(3-Methylphenyl)-2-propyn-1-yl]-1H-isoindole-1,3(2H)-dione17480-11-4C18H13NO2
- 4,5-Diphenyl-2-[(prop-2-yn-1-yl)oxy]-1,3-oxazole82301-27-7C18H13NO2
- (9-Methylfuro[2,3-b]indolizin-2-yl)(phenyl)methanone86842-83-3C18H13NO2
- 4,5-Diphenyl-3-propadienyl-1,3-oxazol-2(3H)-one87696-38-6C18H13NO2
- 5-Methoxy-2-phenylnaphtho[2,1-D][1,3]oxazole90908-06-8C18H13NO2
- (3-Phenoxyphenyl)(pyridin-3-yl)methanone1187167-37-8C18H13NO2
- 6-(Furan-2-yl)-2-(3-methylphenyl)-1,3-benzoxazole537026-97-4C18H13NO2
- Furo[2,3-b]quinolin-4(9H)-one, 9-methyl-2-phenyl-313071-29-3C18H13NO2
- Phenyl 2-cyano-5-phenylpenta-2,4-dienoate143412-61-7C18H13NO2
- 4-(2-Phenylpyridin-3-yl)benzoic acid870723-78-7C18H13NO2
- 1-(4-Ethenylphenyl)-3-phenyl-1H-pyrrole-2,5-dione161632-59-3C18H13NO2
- 9,10-Dimethyl-5H-benzo[a]phenoxazin-5-one1430-65-5C18H13NO2
- 2H,14H-[1,3]Dioxolo[4,5-h]isoquinolino[2,1-b]isoquinoline240-45-9C18H13NO2
- 4-{(E)-[(Naphthalen-2-yl)methylidene]amino}benzoic acid3782-78-3C18H13NO2
- 1-(2-Benzoylphenyl)-1H-pyrrole-3-carbaldehyde64040-55-7C18H13NO2
- 3-(8-Hydroxyquinolin-5-yl)-1-phenylprop-2-en-1-one833488-07-6C18H13NO2
- 3-[(E)-(3-Phenylprop-2-en-1-ylidene)amino]-2H-1-benzopyran-2-one821783-31-7C18H13NO2
- 3-(4,5-Diphenyl-1,3-oxazol-2-yl)prop-2-enal917988-94-4C18H13NO2
- 2-Dibenzofuran-2-yloxyaniline5833-91-0C18H13NO2
- 4-(3-Phenylpyridin-2-yl)benzoicacid870723-83-4C18H13NO2
- 1-[2-(2-Nitrophenyl)ethenyl]naphthalene88909-83-5C18H13NO2
- 1-Nitro-2-(2-phenylethenyl)naphthalene19676-31-4C18H13NO2
- Methyl 3-ethynyl-2-(1H-indol-6-yl)benzoate2044522-36-1C18H13NO2
- 11-Ethyl-5H-[1]benzopyrano[4,3-c]quinolin-5-one14487-52-6C18H13NO2
- 1-Nitro-2-styrylnaphthaleneC18H13NO2
- Methyl 6-(2-phenylethynyl)-1H-indole-4-carboxylate1244017-43-3C18H13NO2
Frequently asked questions
What is the molar mass of C18H13NO2?
The molar mass of C18H13NO2 is 275.31 g/mol, calculated from standard atomic weights for 18 carbon atoms, 13 hydrogen atoms, 1 nitrogen atom and 2 oxygen atoms. The monoisotopic mass is 283.1448 Da.
How many compounds have the formula C18H13NO2?
CompoundList lists 107 compounds with the molecular formula C18H13NO2, including Tetrophan, 2,6-Diphenylisonicotinic acid, Quinolin-8-yl (E)-3-phenylprop-2-enoate. 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 C18H13NO2?
C18H13NO2 has a degree of unsaturation of 13. 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.