Molecular formula
C18H19N3O2
419 compounds have this formula on CompoundList.
- Molar mass
- 309.37g/mol
- Monoisotopic mass
- 309.1477Da
- Atoms
- 42
- Elements
- 4
- Rings plus double bonds
- 11
The formula C18H19N3O2 describes a molecule made of 18 carbon atoms, 19 hydrogen atoms, 3 nitrogen atoms 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 × 1869.88%12.011 × 18 = 216.198 g/mol
- H Hydrogen × 196.19%1.008 × 19 = 19.152 g/mol
- N Nitrogen × 313.58%14.007 × 3 = 42.021 g/mol
- O Oxygen × 210.34%15.999 × 2 = 31.998 g/mol
Look up another formula
Compounds with the formula C18H19N3O2
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 301 to 400 of 419 compounds
3-(5-Isopropyl-2,6-dimethoxy-pyrimidin-4-yl)-quinoline
CAS 1097629-23-6C18H19N3O2
N-Benzyl-2-(2-oxopiperidin-1-yl)isonicotinamide
CAS 1202927-83-0C18H19N3O2
1-Isopropyl-4-(5-methyl-pyridin-2-yl)-1H-indazole-6-carboxylic acid methyl ester
CAS 1258940-61-2C18H19N3O2
N-(6-Methoxypyridin-3-yl)-3-(1-methyl-1H-indol-3-yl)propanamide
CAS 1401556-01-1C18H19N3O2
Methyl 1-isopropyl-3-methyl-6-(pyridazin-4-yl)-1H-indole-4-carboxylate
CAS 1346576-61-1C18H19N3O2
1H-Indazole-1-carboxylic acid,5-amino-3-phenyl-,1,1-dimethylethyl ester
CAS 599183-29-6C18H19N3O2
N-(1-Cyanocyclohexyl)-2-(5-phenyl-1,2-oxazol-3-yl)acetamide
CAS 1394788-02-3C18H19N3O2
![(E)-N-[Cyano(oxolan-3-yl)methyl]-3-(1-methylindol-3-yl)prop-2-enamide chemical structure, C18H19N3O2, CAS 1465715-03-0](/s/LKBRTQUVSVLQSR-VOTSOKGWSA-N.svg)
(E)-N-[Cyano(oxolan-3-yl)methyl]-3-(1-methylindol-3-yl)prop-2-enamide
CAS 1465715-03-0C18H19N3O2
N-Benzyl-1-(pyridine-4-carbonyl)-L-prolinamide
CAS 1217650-22-0C18H19N3O2
![N-[(7R)-5-Methyl-6-oxo-6,7-dihydro-5H-dibenzo[b,d]azepin-7-yl]-L-alaninamide chemical structure, C18H19N3O2, CAS 253324-51-5](/s/OSDQYEDPZCYWRA-MEDUHNTESA-N.svg)
N-[(7R)-5-Methyl-6-oxo-6,7-dihydro-5H-dibenzo[b,d]azepin-7-yl]-L-alaninamide
CAS 253324-51-5C18H19N3O2
![N-[4-(1H-Pyrazol-1-yl)cyclohexyl]-1-benzofuran-2-carboxamide chemical structure, C18H19N3O2, CAS 2097897-25-9](/s/AEQWXVCHNVDZLH-UHFFFAOYSA-N.svg)
N-[4-(1H-Pyrazol-1-yl)cyclohexyl]-1-benzofuran-2-carboxamide
CAS 2097897-25-9C18H19N3O2
![N-[(6-Cyclopropylpyridin-3-yl)methyl]-4-acetamidobenzamide chemical structure, C18H19N3O2, CAS 2097863-22-2](/s/WIPRVAMRFYBEJM-UHFFFAOYSA-N.svg)
N-[(6-Cyclopropylpyridin-3-yl)methyl]-4-acetamidobenzamide
CAS 2097863-22-2C18H19N3O2
2-(4,5,6,7-Tetrahydro-6,6-dimethyl-1H-indazol-3-yl)-1H-indole-6-carboxylic acid
CAS 2858742-47-7C18H19N3O2
![N-{3-[(Dimethylamino)methyl]-1,2-benzoxazol-5-yl}-2-phenylacetamide chemical structure, C18H19N3O2, CAS 2380069-30-5](/s/JYMHPMRGXOGTHW-UHFFFAOYSA-N.svg)
N-{3-[(Dimethylamino)methyl]-1,2-benzoxazol-5-yl}-2-phenylacetamide
CAS 2380069-30-5C18H19N3O2
![N-Ethyl-N-[[3-(prop-2-enoylamino)phenyl]methyl]pyridine-3-carboxamide chemical structure, C18H19N3O2, CAS 2305452-22-4](/s/CLMQHZUHJMMLNG-UHFFFAOYSA-N.svg)
N-Ethyl-N-[[3-(prop-2-enoylamino)phenyl]methyl]pyridine-3-carboxamide
CAS 2305452-22-4C18H19N3O2
![N-[3-[(2-Amino-2-oxoethyl)-benzylamino]phenyl]prop-2-enamide chemical structure, C18H19N3O2, CAS 2305283-21-8](/s/RTNSWRMYKSZBRR-UHFFFAOYSA-N.svg)
N-[3-[(2-Amino-2-oxoethyl)-benzylamino]phenyl]prop-2-enamide
CAS 2305283-21-8C18H19N3O2
![7-(2-Pyrrol-1-ylbenzoyl)-1,7-diazaspiro[3.5]nonan-2-one chemical structure, C18H19N3O2, CAS 2249395-64-8](/s/AWFSVYCZBHCDPA-UHFFFAOYSA-N.svg)
7-(2-Pyrrol-1-ylbenzoyl)-1,7-diazaspiro[3.5]nonan-2-one
CAS 2249395-64-8C18H19N3O2
![2-(3-Methoxyphenyl)-5-(3-methylbut-2-en-1-yl)-4H,5H-pyrazolo[1,5-a]pyrazin-4-one chemical structure, C18H19N3O2, CAS 2548999-64-8](/s/XAURJUIMQJFEEZ-UHFFFAOYSA-N.svg)
2-(3-Methoxyphenyl)-5-(3-methylbut-2-en-1-yl)-4H,5H-pyrazolo[1,5-a]pyrazin-4-one
CAS 2548999-64-8C18H19N3O2
![4-{[1-(2,3-Dihydro-1H-inden-2-yl)azetidin-3-yl]oxy}pyridine-2-carboxamide chemical structure, C18H19N3O2, CAS 2640845-05-0](/s/APXGCOSCVFOUAE-UHFFFAOYSA-N.svg)
4-{[1-(2,3-Dihydro-1H-inden-2-yl)azetidin-3-yl]oxy}pyridine-2-carboxamide
CAS 2640845-05-0C18H19N3O2
![2-(2-Oxo-2-{6-phenyl-2-azaspiro[3.3]heptan-2-yl}ethyl)-2,3-dihydropyridazin-3-one chemical structure, C18H19N3O2, CAS 2640979-61-7](/s/ROLIVLCPJJZEAS-UHFFFAOYSA-N.svg)
2-(2-Oxo-2-{6-phenyl-2-azaspiro[3.3]heptan-2-yl}ethyl)-2,3-dihydropyridazin-3-one
CAS 2640979-61-7C18H19N3O2
3,3'-Diacetylamino-2,2'-dimethylazobenzene
CAS 143922-99-0C18H19N3O2
3-(2-Benzylidenehydrazino)-3-oxo-N-(2-phenylethyl)propanamide
CAS 331265-73-7C18H19N3O2
![(1R,5R)-1,5,6,8-Tetrahydro-8-oxo-N-phenyl-1,5-methano-2H-pyrido[1,2-a][1,5]diazocine-3(4H)-carboxamide chemical structure, C18H19N3O2, CAS 40705-13-3](/s/KYKOAOQGKSCMNK-UONOGXRCSA-N.svg)
(1R,5R)-1,5,6,8-Tetrahydro-8-oxo-N-phenyl-1,5-methano-2H-pyrido[1,2-a][1,5]diazocine-3(4H)-carboxamide
CAS 40705-13-3C18H19N3O2
1-Benzyl-1-(2-hydroxyethyl)-3-(1H-indol-3-yl)urea
CAS 899736-25-5C18H19N3O2
- 1,8-Naphthyridin-2(1H)-one, 3-amino-1-butyl-4-(3-hydroxyphenyl)-501690-38-6C18H19N3O2
- 1H,5H-Pyrido[3,2,1-ij]quinazolin-1-one,7-amino-2,3,6,7-tetrahydro-3-(4-methoxyphenyl)-,(3R,7R)-693260-50-3C18H19N3O2
- 3H-Indol-5-amine, N,N,3,3-tetramethyl-2-(4-nitrophenyl)-56745-89-2C18H19N3O2
- 1-[(4-Aminophenyl)methyl]-4-benzylpiperazine-2,3-dione77917-04-5C18H19N3O2
- N-(2-(5-Propyl-2,5-dihydro-1,2,4-oxadiazol-3-yl)phenyl)benzamide89143-39-5C18H19N3O2
- 5-Phenoxy-1-(piperidin-4-yl)-1H-benzo[d]imidazol-2(3H)-one1211535-19-1C18H19N3O2
- n-Butyl 3-methyl-1-(quinolin-5-yl)-1H-pyrazole-4-carboxylate241798-54-9C18H19N3O2
- 3-[2-(2,2-Dimethoxyethyl)-5-phenyl-1H-imidazol-4-yl]pyridine81891-75-0C18H19N3O2
- 4-[(2-Oxopyrrolidin-1-yl)methyl]-N-(pyridin-4-ylmethyl)benzamide1158741-21-9C18H19N3O2
- 1-Methyl-N-(3-methylpyridin-2-yl)-5-oxo-2-phenylpyrrolidine-3-carboxamide1081118-45-7C18H19N3O2
- 1-(3-Cyano-6-ethylquinolin-4-yl)piperidine-4-carboxylic acid1351804-93-7C18H19N3O2
- 3-Cyclopentyl-1-methyl-2-(1-pyrazolyl)-6-indolecarboxylic acid863886-02-6C18H19N3O2
- tert-Butyl 2-amino-5-(isoquinolin-6-yl)-1H-pyrrole-1-carboxylate1105711-38-3C18H19N3O2
- (8R,9R)-2,3-Dimethyl-9-phenyl-7,8,9,10-tetrahydroimidazo[1,2-H][1,7]naphthyridine-7,8-diol214194-01-1C18H19N3O2
- 5-(4-Morpholinobenzyloxy)-1H-pyrrolo[2,3-b]pyridine1036007-82-5C18H19N3O2
- tert-Butyl 5-(p-tolyl)-[1,2,4]triazolo[4,3-a]pyridine-7-carboxylate1246759-51-2C18H19N3O2
- 3-Methyl-8-[4-[(tetrahydro-2H-pyran-2-yl)oxy]phenyl]-1,2,4-triazolo[4,3-a]pyridine1401819-01-9C18H19N3O2
- 3-((4-Methoxybenzyl)oxy)-4-methyl-1-phenyl-1H-pyrazol-5-amine1414568-94-7C18H19N3O2
- 4-[[6-Methyl-2-(1-methylethyl)-3H-imidazo[4,5-b]pyridin-3-yl]methyl]benzoic acid1215948-70-1C18H19N3O2
- 1H-1,2,3-Triazole-4-methanol, 1-(2,5-dimethylphenyl)-5-(4-methoxyphenyl)-1330076-54-4C18H19N3O2
- 5-Amino-1-(pyridin-3-ylmethyl)-2',3',5',6'-tetrahydrospiro[indoline-3,4'-pyran]-2-one1422139-83-0C18H19N3O2
- N-[(1-Benzyl-5-oxopyrrolidin-3-yl)methyl]pyridine-3-carboxamide1328391-55-4C18H19N3O2
- Benzyl 2-{[6-(cyclopent-3-en-1-yl)pyrimidin-4-yl]amino}acetate2098113-79-0C18H19N3O2
- N-[4-(1-Piperazinylcarbonyl)phenyl]benzamide1211486-70-2C18H19N3O2
- 5-(1-(3-Methoxybenzyl)-1H-imidazol-2-yl)-1,3-dimethylpyridin-2(1H)-one2200237-94-9C18H19N3O2
- 3,3-Dimethyl-1-(4-phenyl-1,3-oxazole-5-carbonyl)piperidine-2-carbonitrile2109204-71-7C18H19N3O2
- 5-(Cyclopropylmethyl)-2-(4-ethoxyphenyl)-4H,5H-pyrazolo[1,5-a]pyrazin-4-one2309191-15-7C18H19N3O2
- 5-But-3-enyl-2-(4-ethoxyphenyl)pyrazolo[1,5-a]pyrazin-4-one2380058-10-4C18H19N3O2
- 2-Methyl-6-{6-phenyl-2-azaspiro[3.3]heptane-2-carbonyl}-2,3-dihydropyridazin-3-one2379988-75-5C18H19N3O2
- 3-[3-(4-Cyclobutylidenepiperidine-1-carbonyl)-1,2-oxazol-5-yl]pyridine2309554-16-1C18H19N3O2
- 2-[(1-Benzoylazetidin-3-yl)methyl]-6-cyclopropyl-2,3-dihydropyridazin-3-one2309189-63-5C18H19N3O2
- 2-[1-(2-Cyclopropylacetyl)azetidin-3-yl]-6-phenyl-2,3-dihydropyridazin-3-one2380094-69-7C18H19N3O2
- 1-[1-(2,5-Dimethylfuran-3-carbonyl)azetidin-3-yl]-2-methyl-1H-1,3-benzodiazole2380087-14-7C18H19N3O2
- 2-{3-[(Pyridin-4-yloxy)methyl]piperidin-1-yl}-1,3-benzoxazole2415630-16-7C18H19N3O2
- N-(1-Cyano-2-hydroxyethyl)-2-cyclopropyl-6,8-dimethylquinoline-4-carboxamide2418705-40-3C18H19N3O2
- N-[Cyano(2-methylphenyl)methyl]-2-[(2-methoxyphenyl)amino]acetamide1376153-50-2C18H19N3O2
- (1R,5S)-3-(4-Aminobenzoyl)-1,2,3,4,5,6-hexahydro-8H-1,5-methanopyrido[1,2-a][1,5]diazocin-8-one83459-51-2C18H19N3O2
- N-[4-[4,5-Dihydro-1-(4-methoxyphenyl)-1H-pyrazol-3-yl]phenyl]acetamide10347-65-6C18H19N3O2
- 2-(3-Ethyl-2-imino-2,3-dihydro-1H-benzimidazol-1-yl)ethyl benzoate4041-98-9C18H19N3O2
- Ethanone, 1,1a(2)-(1,4-dimethyl-9H-carbazole-3,6-diyl)bis-, dioxime133591-39-6C18H19N3O2
- N-(1-Cyanocyclobutyl)-N-cyclopropyl-4-(prop-2-enamido)benzamide2411308-41-1C18H19N3O2
- N-[(3,4-Dimethoxyphenyl)methyl]-N-methylquinazolin-4-amine2948510-53-8C18H19N3O2
- (E)-1-[5-Nitro-2-(piperidin-1-yl)phenyl]-N-phenylmethanimine61200-64-4C18H19N3O2
- (2E)-2-{[4-(Dimethylamino)phenyl]imino}-3-oxo-N-phenylbutanamide30299-49-1C18H19N3O2
- (Z)-1-(4-Nitrophenyl)-N-phenyl-1-(piperidin-1-yl)methanimine62718-39-2C18H19N3O2
- (2Z)-2-Acetamido-N-benzyl-2-(benzylimino)acetamide88313-18-2C18H19N3O2
- Butyl 1-isoquinolin-5-yl-3-methylpyrazole-4-carboxylate241798-55-0C18H19N3O2
- N-[2-(3,4-Dimethoxyphenyl)ethyl]quinoxalin-2-amine2346475-62-3C18H19N3O2
- 2-[4-(3-Methoxyphenyl)piperazin-1-yl]-1,3-benzoxazole2184129-37-9C18H19N3O2
- 5-Benzofuran-3-ylmethylene-3-methyl-2-piperidin-1-yl-3,5-dihydro-imidazol-4-one1312024-83-1C18H19N3O2
- N-{3-[(2-Cyanoethyl)(2-hydroxyethyl)amino]phenyl}benzamide61679-35-4C18H19N3O2
- 5-(3-Cyclohexyl-1,2-oxazol-5-yl)-3-(4-methylphenyl)-1,2,4-oxadiazole919117-28-5C18H19N3O2
- N-Benzyl-2-ethyl-3-methoxy-2H-indazole-6-carboxamide919108-62-6C18H19N3O2
- N-Benzyl-3-ethoxy-2-methyl-2H-indazole-6-carboxamide919107-62-3C18H19N3O2
- 7-Methoxy-6-phenoxy-N-(propan-2-yl)quinazolin-2-amine917609-56-4C18H19N3O2
- 4-{(E)-[4-(2-Hydroxyethoxy)-3-(propan-2-yl)phenyl]diazenyl}benzonitrile917608-02-7C18H19N3O2
- 2-[(3-Methoxyphenyl)methyl]-1H,2H,7H,8H,9H,10H-pyrazino[1,2-b]indazol-1-one1775377-50-8C18H19N3O2
- 8-[(Naphthalen-1-yl)methyl]-1,3,8-triazaspiro[4.5]decane-2,4-dione1226050-57-2C18H19N3O2
- 4-(6,7-Dimethoxy-4-quinazolinyl)-N,N-dimethylbenzenamine950698-13-2C18H19N3O2
- 4-(5-Benzoyl-3-methylpyridin-2-yl)piperazine-1-carbaldehyde1355205-05-8C18H19N3O2
- 4-(5-Benzoyl-6-methylpyridin-2-yl)piperazine-1-carbaldehyde1355175-32-4C18H19N3O2
- 1-(4-(5-Benzoylpyridin-2-yl)piperazin-1-yl)ethanone1355219-60-1C18H19N3O2
- 1-Benzyl-3-(3,3-dimethyl-2-oxoindolin-5-yl)urea1328579-46-9C18H19N3O2
- 1-(3-Isopropyl-2-oxoindolin-5-yl)-3-phenylurea1327062-11-2C18H19N3O2
- N-(2-Methylphenyl)-2-[2-(2-methylphenyl)hydrazinylidene]-3-oxobutanamide90422-20-1C18H19N3O2
- N-(3-Cyano-1-methyl-4-oxo-1,4-dihydroquinolin-2-yl)cyclohexanecarboxamide2376149-60-7C18H19N3O2
- N-(1,2,3,4-Tetrahydronaphthalen-1-yl)-5H,7H,8H-pyrano[4,3-c]pyridazine-3-carboxamide2549007-83-0C18H19N3O2
- N-[2-Amino-1-(naphthalen-2-yl)ethyl]-2-ethyl-1,3-oxazole-4-carboxamide2445792-98-1C18H19N3O2
- N-[(2,3-Dihydro-1,4-benzodioxin-6-yl)methyl]-N,1-dimethyl-1H-1,3-benzodiazol-2-amine2742037-68-7C18H19N3O2
- 2-{[2-(4-Methoxyphenyl)ethyl](methyl)amino}-4H-pyrido[1,2-a]pyrimidin-4-one2742063-10-9C18H19N3O2
- 2-[(4-Methoxyphenyl)methyl]-1H,2H,7H,8H,9H,10H-pyrazino[1,2-b]indazol-1-one2770629-62-2C18H19N3O2
- tert-Butyl 3-{[(3-cyanopyridin-2-yl)amino]methyl}benzoate2639454-54-7C18H19N3O2
- Benzyl N-tert-butyl-N-(6-cyanopyridin-3-yl)carbamate2680674-33-1C18H19N3O2
- Benzyl N-[2-cyano-4-(dimethylamino)-5-methylphenyl]carbamate2680698-57-9C18H19N3O2
- Benzyl N-(5-cyanopyridin-2-yl)-N-(2-methylpropyl)carbamate2680902-58-1C18H19N3O2
- tert-Butyl N-benzyl-N-(5-cyanopyridin-2-yl)carbamate2680891-94-3C18H19N3O2
Frequently asked questions
What is the molar mass of C18H19N3O2?
The molar mass of C18H19N3O2 is 309.37 g/mol, calculated from standard atomic weights for 18 carbon atoms, 19 hydrogen atoms, 3 nitrogen atoms and 2 oxygen atoms. The monoisotopic mass is 309.1477 Da.
How many compounds have the formula C18H19N3O2?
CompoundList lists 419 compounds with the molecular formula C18H19N3O2, including 3-(5-Isopropyl-2,6-dimethoxy-pyrimidin-4-yl)-quinoline, N-Benzyl-2-(2-oxopiperidin-1-yl)isonicotinamide, 1-Isopropyl-4-(5-methyl-pyridin-2-yl)-1H-indazole-6-carboxylic acid methyl ester. 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 C18H19N3O2?
C18H19N3O2 has a degree of unsaturation of 11. 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.