Molecular formula
C18H17N3O
255 compounds have this formula on CompoundList.
- Molar mass
- 291.35g/mol
- Monoisotopic mass
- 291.1372Da
- Atoms
- 39
- Elements
- 4
- Rings plus double bonds
- 12
The formula C18H17N3O describes a molecule made of 18 carbon atoms, 17 hydrogen atoms, 3 nitrogen atoms and 1 oxygen atom. 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 × 1874.20%12.011 × 18 = 216.198 g/mol
- H Hydrogen × 175.88%1.008 × 17 = 17.136 g/mol
- N Nitrogen × 314.42%14.007 × 3 = 42.021 g/mol
- O Oxygen × 15.49%15.999 × 1 = 15.999 g/mol
Look up another formula
Compounds with the formula C18H17N3O
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 101 to 200 of 255 compounds
![N-(7-Methyl-2-phenylimidazo[1,2-a]pyridin-3-yl)cyclopropanecarboxamide chemical structure, C18H17N3O, CAS 850931-97-4](/s/MWWYLUBMHOFDBJ-UHFFFAOYSA-N.svg)
N-(7-Methyl-2-phenylimidazo[1,2-a]pyridin-3-yl)cyclopropanecarboxamide
CAS 850931-97-4C18H17N3O
![N-Phenyl-N'-[2-(1H-pyrrol-1-yl)benzyl]urea chemical structure, C18H17N3O, CAS 866042-33-3](/s/YUPIIDJMQOLSBX-UHFFFAOYSA-N.svg)
N-Phenyl-N'-[2-(1H-pyrrol-1-yl)benzyl]urea
CAS 866042-33-3C18H17N3O
1-(1H-Imidazol-1-yl)-4-phenyl-2-(4-pyridinyl)-3-buten-2-ol
CAS 847670-79-5C18H17N3O
1-(3,5-Dimethylphenyl)-3-quinolin-3-ylurea
CAS 925082-27-5C18H17N3O
1-(9H-Carbazol-9-yl)-3-(1H-imidazol-1-yl)propan-2-ol
CAS 1031126-94-9C18H17N3O
![N-[4-(6-Methyl-1H-benzimidazol-2-yl)phenyl]cyclopropanecarboxamide chemical structure, C18H17N3O, CAS 701257-14-9](/s/PUVVXOYJYIMDFN-UHFFFAOYSA-N.svg)
N-[4-(6-Methyl-1H-benzimidazol-2-yl)phenyl]cyclopropanecarboxamide
CAS 701257-14-9C18H17N3O
3,5-Dimethyl-N,1-diphenylpyrazole-4-carboxamide
CAS 61747-92-0C18H17N3O
as-Triazine, 5,6-diphenyl-3-isopropoxy-
CAS 69467-21-6C18H17N3O
![3,4-Dihydro-1H-isoquinolin-2-yl-(7-methylimidazo[1,2-a]pyridin-2-yl)methanone chemical structure, C18H17N3O, CAS 865097-45-6](/s/PSCJXOQHOWMPQF-UHFFFAOYSA-N.svg)
3,4-Dihydro-1H-isoquinolin-2-yl-(7-methylimidazo[1,2-a]pyridin-2-yl)methanone
CAS 865097-45-6C18H17N3O
2-(1-Methyl-1H-pyrrol-2-yl)-N'-(1-naphthylmethylene)acetohydrazide
CAS 314069-23-3C18H17N3O
N-(1H-Indol-3-yl)-3,4-dihydroisoquinoline-2(1H)-carboxamide
CAS 899965-01-6C18H17N3O
![1-Benzyl-3,4-dihydro-1H-pyrimido[2,1-b]quinazolin-6(2H)-one chemical structure, C18H17N3O, CAS 915930-31-3](/s/WQHQUIOXAJNRNO-UHFFFAOYSA-N.svg)
1-Benzyl-3,4-dihydro-1H-pyrimido[2,1-b]quinazolin-6(2H)-one
CAS 915930-31-3C18H17N3O
![1-(2-Phenylethyl)-2,3-dihydroimidazo[2,1-b]quinazolin-5-one chemical structure, C18H17N3O, CAS 915934-48-4](/s/GQJWJIBOMWYJRK-UHFFFAOYSA-N.svg)
1-(2-Phenylethyl)-2,3-dihydroimidazo[2,1-b]quinazolin-5-one
CAS 915934-48-4C18H17N3O
![2-[(4-Cyanophenyl)methyl]-1,2,3,4-tetrahydro-3-isoquinolinecarboxamide chemical structure, C18H17N3O, CAS 1104637-66-2](/s/JCDLLWKHZWTWPT-UHFFFAOYSA-N.svg)
2-[(4-Cyanophenyl)methyl]-1,2,3,4-tetrahydro-3-isoquinolinecarboxamide
CAS 1104637-66-2C18H17N3O
6-(3,4-Dimethylphenyl)-2-(pyridin-3-ylmethyl)pyridazin-3(2H)-one
CAS 923084-05-3C18H17N3O
![2-(2,3-Dihydrocyclopenta[b]indol-4(1H)-yl)-N-(pyridin-3-yl)acetamide chemical structure, C18H17N3O, CAS 1202982-77-1](/s/SHNQNYVLUJOVLC-UHFFFAOYSA-N.svg)
2-(2,3-Dihydrocyclopenta[b]indol-4(1H)-yl)-N-(pyridin-3-yl)acetamide
CAS 1202982-77-1C18H17N3O
![(E)-3-Phenyl-1-((5R,8S)-6,7,8,9-tetrahydro-5H-5,8-epiminocyclohepta[d]pyrimidin-10-yl)prop-2-en-1-one chemical structure, C18H17N3O, CAS 1904636-57-2](/s/JSJAEUBHVXLYDZ-RMKNXTFCSA-N.svg)
(E)-3-Phenyl-1-((5R,8S)-6,7,8,9-tetrahydro-5H-5,8-epiminocyclohepta[d]pyrimidin-10-yl)prop-2-en-1-one
CAS 1904636-57-2C18H17N3O
(S)-4-Isopropyl-2-(1,10-phenanthrolin-2-yl)-4,5-dihydrooxazole
CAS 1562372-40-0C18H17N3O
![Phenol, 2-[2-amino-6-(4-methylphenyl)-4-pyrimidinyl]-4-methyl- chemical structure, C18H17N3O, CAS 89112-40-3](/s/PTXNIQUNXWDSIP-UHFFFAOYSA-N.svg)
Phenol, 2-[2-amino-6-(4-methylphenyl)-4-pyrimidinyl]-4-methyl-
CAS 89112-40-3C18H17N3O
![N-[4-(Dimethylamino)phenyl]-2-(4-methylphenyl)-2-oxoethanimidoyl cyanide chemical structure, C18H17N3O, CAS 23071-56-9](/s/MUTPZFCENGNYKI-UHFFFAOYSA-N.svg)
N-[4-(Dimethylamino)phenyl]-2-(4-methylphenyl)-2-oxoethanimidoyl cyanide
CAS 23071-56-9C18H17N3O
N,N-Dimethyl-3,5-diphenylpyrazole-1-carboxamide
CAS 431941-30-9C18H17N3O
![9-Methoxy-6-propyl-6H-indolo[2,3-b]quinoxaline chemical structure, C18H17N3O, CAS 585552-95-0](/s/CFOYIFFQKHCFER-UHFFFAOYSA-N.svg)
9-Methoxy-6-propyl-6H-indolo[2,3-b]quinoxaline
CAS 585552-95-0C18H17N3O
3-Quinolinecarboxamide, N-methyl-4-(methylamino)-2-phenyl-
CAS 107879-37-8C18H17N3O
4(1H)-Pyridazinone, 6-amino-3-methyl-1-(3-methylphenyl)-5-phenyl-
CAS 89314-03-4C18H17N3O
- N-[[1-[(E)-3-Phenylprop-2-enyl]benzimidazol-2-yl]methyl]formamide890645-29-1C18H17N3O
- N,3-dimethyl-2-oxido-N,6-diphenylpyridazin-2-ium-4-amine60325-99-7C18H17N3O
- N-Benzhydryl-2-methylpyrazole-3-carboxamide955551-63-0C18H17N3O
- N-(2-Benzylphenyl)-2-methylpyrazole-3-carboxamide955551-42-5C18H17N3O
- 1-(1H-Imidazol-1-yl)-4-phenyl-2-(3-pyridinyl)-3-buten-2-ol847670-64-8C18H17N3O
- 2-Pyrrolidinone,1-(imidazo[1,2-a]pyridin-3-ylmethyl)-4-phenyl-916253-21-9C18H17N3O
- N-(4-Methoxybenzyl)-6-phenylpyridazin-3-amine956798-63-3C18H17N3O
- N-(2-Cyclopropyl-1H-benzimidazol-5-yl)-2-phenylacetamide1380578-11-9C18H17N3O
- N-(4-Methoxybenzyl)-6-(pyridin-2-yl)pyridin-2-amine1214901-29-7C18H17N3O
- N-(2,3-Dihydro-1H-inden-5-yl)-1-methyl-1H-indazole-3-carboxamide1448067-39-7C18H17N3O
- (E)-N-(2-(8-Methylimidazo[1,2-a]pyridin-2-yl)phenyl)but-2-enamide1799256-11-3C18H17N3O
- 5-[(2-Phenylethyl)amino]-8-quinolinecarboxamide1445782-22-8C18H17N3O
- 1-(6,7-Dihydropyrazolo[1,5-a]pyrazin-5(4H)-yl)-2-(naphthalen-1-yl)ethanone2034400-13-8C18H17N3O
- 3-Methyl-N'-[(2-methyl-1H-indol-3-yl)methylene]benzohydrazide113144-49-3C18H17N3O
- (R)-4-Isopropyl-2-(1,10-phenanthrolin-2-yl)-4,5-dihydrooxazole2828438-18-0C18H17N3O
- 1-Benzyl-1-(quinolin-4-ylmethyl)urea5427-44-1C18H17N3O
- 2-Pyrazolin-5-one, 4-dimethylaminomethylene-1,3-diphenyl-5376-09-0C18H17N3O
- 2-[(2E)-2-(2-Methoxybenzylidene)hydrazinyl]-4-methylquinoline384373-43-7C18H17N3O
- [3,4'-Bipyridin]-5-amine, N-[(4-methoxyphenyl)methyl]-821784-62-7C18H17N3O
- N-(Isoquinolin-6-yl)-2-(p-tolylamino)acetamide920513-48-0C18H17N3O
- 1H-1,5-Benzodiazepine-2-carbonitrile, 2,3,4,5-tetrahydro-5-benzoyl-4-methyl-92911-32-5C18H17N3O
- 3-(1H-Benzimidazol-2-yl)-1-(2,3-dihydro-1H-indol-1-yl)propan-1-one898924-69-1C18H17N3O
- 1,3-Diphenyl-2-(1H-1,2,4-triazol-1-yl)butan-1-one66744-29-4C18H17N3O
- 2-[4-(5-Cyano-2-ethyl-1H-benzimidazol-1-yl)phenyl]ethanol415910-18-8C18H17N3O
- 3-Methyl-N-(5-methyl-3-phenyl-1H-pyrazol-4-yl)benzamide824969-11-1C18H17N3O
- 4-Methyl-N-(5-methyl-3-phenyl-1H-pyrazol-4-yl)benzamide824969-06-4C18H17N3O
- N-Methyl-N-phenyl-4-[(1H-pyrazol-1-yl)methyl]benzamide1135324-08-1C18H17N3O
- 3-Phenyl-N-[4-(1H-pyrazol-3-yl)phenyl]propanamide1210320-28-7C18H17N3O
- 6-(2,4-Dimethylphenyl)-2-(pyridin-4-ylmethyl)pyridazin-3(2H)-one922952-43-0C18H17N3O
- N-[Cyano(2-methylphenyl)methyl]-2-(pyridin-3-yl)cyclopropane-1-carboxamide1355508-09-6C18H17N3O
- N-Cyclopropyl-3-(1H-indazol-6-yl)-4-methylbenzamide651780-03-9C18H17N3O
- N-(Isoquinolin-6-yl)-2-(m-tolylamino)acetamide920513-55-9C18H17N3O
- N-(2-{Imidazo[1,2-a]pyridin-2-yl}phenyl)cyclobutanecarboxamide1788561-69-2C18H17N3O
- 2-(Naphthalen-1-yl)-N-(2-(pyrimidin-5-yl)ethyl)acetamide2034396-31-9C18H17N3O
- N-(4,5,6,7-Tetrahydropyrazolo[1,5-a]pyridin-5-yl)-1-naphthamide2034587-79-4C18H17N3O
- (3-(1H-Benzo[d]imidazol-1-yl)pyrrolidin-1-yl)(phenyl)methanone2034298-19-4C18H17N3O
- N-[(6-Methylpyrimidin-4-yl)methyl]-2-(naphthalen-1-yl)acetamide2210138-22-8C18H17N3O
- 2-((5,6,7,8-Tetrahydronaphthalen-1-yl)amino)quinazolin-4(1H)-one61741-46-6C18H17N3O
- Etap2575731-47-2C18H17N3O
- 4-Piperidinone, 1-methyl-3,5-bis(4-pyridinylmethylene)-142808-60-4C18H17N3O
- Urea, N-5-isoquinolinyl-N'-[(4-methylphenyl)methyl]-581809-81-6C18H17N3O
- Pyrrolidine, 1-[[5-(3-cyanophenyl)-3-pyridinyl]carbonyl]-2-methyl-613660-96-1C18H17N3O
- 4-Methyl-N-(3-methyl-1-phenyl-1H-pyrazol-5-yl)benzamide164928-35-2C18H17N3O
- Phenol, 3-[[[5-(3-aminophenyl)-3-pyridinyl]amino]methyl]-821784-54-7C18H17N3O
- Phenol, 3-[[[5-(4-aminophenyl)-3-pyridinyl]amino]methyl]-821784-50-3C18H17N3O
- N-(2-Benzyl-4-phenyl-1H-imidazol-1-yl)acetamide39678-31-4C18H17N3O
- 1,5-Dimethyl-N,2-diphenyl-1H-imidazole-4-carboxamide77049-35-5C18H17N3O
- 1-{4-[(2,7-Dimethyl-1,8-naphthyridin-4-yl)amino]phenyl}ethan-1-one183314-30-9C18H17N3O
- N2-[4-(benzyloxy)phenyl]pyridine-2,3-diamine1082189-47-6C18H17N3O
- N-[4-(1-Cyanocyclopentyl)phenyl]pyridine-3-carboxamide1003696-99-8C18H17N3O
- N-(4-(1H-Pyrazol-3-yl)phenyl)-2-(m-tolyl)acetamide1208620-10-3C18H17N3O
- (Z)-2-Cyano-3-pyridin-3-yl-N-(2,4,6-trimethylphenyl)prop-2-enamide849601-78-1C18H17N3O
- 2-Amino-3-benzyl-5-(4-hydroxymethylphenyl)-pyrazine2020373-95-7C18H17N3O
- 2-Amino-4-cyclopropyl-N-(3-(3-isoxazolyl)phenyl)aniline1348975-91-6C18H17N3O
- N-Cyclopropyl-N-(imidazo[1,2-a]pyridin-3-ylmethyl)benzamide1448121-92-3C18H17N3O
- N-(1-Cyanocyclobutyl)-N-methyl-3-(quinolin-8-yl)prop-2-enamide1424664-67-4C18H17N3O
- (3S)-3-Amino-9-cyclopropyl-1,3-dihydro-5-phenyl-2H-1,4-benzodiazepin-2-one1584139-97-8C18H17N3O
- 1-(6-(2,5-Dimethyl-1H-pyrrol-1-yl)-3-phenylpyridazin-4-yl)ethanone1894229-97-0C18H17N3O
- N-(1-Cyanocyclobutyl)-N-cyclopropylquinoline-4-carboxamide1948318-14-6C18H17N3O
- Phenol, 4-[5-[(1-phenylethyl)amino]pyrazinyl]-821784-03-6C18H17N3O
- 4-(4-Ethyl-6-phenylpyridazin-3-ylamino)phenol945600-12-4C18H17N3O
- 4-{[3-(Pyridin-4-yloxy)azetidin-1-yl]methyl}quinoline2640830-82-4C18H17N3O
- N-[[3-(Benzimidazol-1-ylmethyl)phenyl]methyl]prop-2-enamide2308440-67-5C18H17N3O
- 4-[5-(Naphthalen-2-yl)pyrimidin-2-yl]morpholine2640836-47-9C18H17N3O
- 2,4-Dihydro-5-methyl-2-phenyl-4-[1-(phenylimino)ethyl]-3H-pyrazol-3-one67867-64-5C18H17N3O
- 6-Amino-3-methyl-1-(4-methylphenyl)-5-phenylpyridazin-4(1H)-one89314-00-1C18H17N3O
- 3-Methyl-2-(4-methylphenyl)-1,3-dihydroimidazo[5,1-b]quinazolin-9-one131229-46-4C18H17N3O
- N-Benzyl-N-(1-methyl-1H-pyrazol-3-yl)benzamide62399-75-1C18H17N3O
- 4-(3-Methoxyphenyl)-6-(4-methylphenyl)pyrimidin-2-amine84857-17-0C18H17N3O
- N-(5-Methyl-3-phenyl-1H-pyrazol-4-yl)-2-phenylacetamide645418-14-0C18H17N3O
- 2-Methyl-N-(5-methyl-3-phenyl-1H-pyrazol-4-yl)benzamide824969-07-5C18H17N3O
- I+/--(1H-Imidazol-1-ylmethyl)-I+/--(2-phenylethenyl)-3-pyridinemethanolC18H17N3O
- 3-((6-Aminopyridin-2-yl)ethynyl)-7,7-dimethyl-7,8-dihydroquinolin-5(6H)-one1373336-30-1C18H17N3O
- 4-(4-Methoxyphenyl)-N-(4-methylphenyl)pyrimidin-2-amine1432334-28-5C18H17N3O
- 2-(2,3-Dihydro-3-methyl-2-oxo-1-propyl-1H-benzimidazol-5-yl)benzonitrile1359760-29-4C18H17N3O
- 1-Ethyl-3-(5-phenylisoquinolin-3-yl)urea1338255-09-6C18H17N3O
Frequently asked questions
What is the molar mass of C18H17N3O?
The molar mass of C18H17N3O is 291.35 g/mol, calculated from standard atomic weights for 18 carbon atoms, 17 hydrogen atoms, 3 nitrogen atoms and 1 oxygen atom. The monoisotopic mass is 291.1372 Da.
How many compounds have the formula C18H17N3O?
CompoundList lists 255 compounds with the molecular formula C18H17N3O, including N-(7-Methyl-2-phenylimidazo[1,2-a]pyridin-3-yl)cyclopropanecarboxamide, N-Phenyl-N'-[2-(1H-pyrrol-1-yl)benzyl]urea, 1-(1H-Imidazol-1-yl)-4-phenyl-2-(4-pyridinyl)-3-buten-2-ol. 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 C18H17N3O?
C18H17N3O 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.