Molecular formula
C18H19N3O3
401 compounds have this formula on CompoundList.
- Molar mass
- 325.37g/mol
- Monoisotopic mass
- 331.1803Da
- Atoms
- 43
- Elements
- 4
- Rings plus double bonds
- 11
The formula C18H19N3O3 describes a molecule made of 18 carbon atoms, 19 hydrogen atoms, 3 nitrogen 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 × 1866.45%12.011 × 18 = 216.198 g/mol
- H Hydrogen × 195.89%1.008 × 19 = 19.152 g/mol
- N Nitrogen × 312.91%14.007 × 3 = 42.021 g/mol
- O Oxygen × 314.75%15.999 × 3 = 47.997 g/mol
Look up another formula
Compounds with the formula C18H19N3O3
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 101 to 200 of 401 compounds
1-(5-Hydroxy-3-methyl-5-pyridin-3-yl-4H-pyrazol-1-yl)-2-(2-methylphenoxy)ethanone
CAS 312533-29-2C18H19N3O3
3-((4-(Dimethylamino)phenyl)amino)-1-(4-hydroxyphenyl)pyrrolidine-2,5-dione
CAS 1009593-91-2C18H19N3O3
2-Nitrophenyl 4-benzylpiperazinyl ketone
CAS 130564-49-7C18H19N3O3
2-(4-Nitrophenyl)-1-(4-phenylpiperazin-1-yl)ethanone
CAS 349410-58-8C18H19N3O3
![5-(Furan-2-yl)-N-{3-[methyl(phenyl)amino]propyl}-1,2-oxazole-3-carboxamide chemical structure, C18H19N3O3, CAS 920133-70-6](/s/MPTXMPZXRMITRI-UHFFFAOYSA-N.svg)
5-(Furan-2-yl)-N-{3-[methyl(phenyl)amino]propyl}-1,2-oxazole-3-carboxamide
CAS 920133-70-6C18H19N3O3
1-{3-Nitro-2-methylbenzoyl}-4-phenylpiperazine
CAS 314284-31-6C18H19N3O3
4-(2-Methylphenyl)piperazinyl 3-nitrophenyl ketone
CAS 680868-72-8C18H19N3O3
2-(6,7-Dimethyl-3-oxo-1,2,3,4-tetrahydroquinoxalin-2-yl)-N-(4-hydroxyphenyl)acetamide
CAS 1008706-85-1C18H19N3O3
![3-(2-(4-Methylpiperidin-1-yl)-2-oxoethyl)benzofuro[3,2-d]pyrimidin-4(3H)-one chemical structure, C18H19N3O3, CAS 864923-03-5](/s/SAWNGCGZBWUFKL-UHFFFAOYSA-N.svg)
3-(2-(4-Methylpiperidin-1-yl)-2-oxoethyl)benzofuro[3,2-d]pyrimidin-4(3H)-one
CAS 864923-03-5C18H19N3O3
1-(1-Ethyl-2-oxoindolin-5-yl)-3-(3-methoxyphenyl)urea
CAS 1171580-58-7C18H19N3O3
![1-Methyl-N-[4-methyl-3-(2-oxopyrrolidin-1-yl)phenyl]-2-oxo-1,2-dihydropyridine-3-carboxamide chemical structure, C18H19N3O3, CAS 1323713-98-9](/s/BCYSCFKYRVXGFI-UHFFFAOYSA-N.svg)
1-Methyl-N-[4-methyl-3-(2-oxopyrrolidin-1-yl)phenyl]-2-oxo-1,2-dihydropyridine-3-carboxamide
CAS 1323713-98-9C18H19N3O3
(4-(3-Amino-2-hydroxybenzoyl)piperazin-1-yl)(phenyl)methanone
CAS 473734-32-6C18H19N3O3
![Ethyl 3-methyl-1-(4-methylbenzyl)-6-oxo-6,7-dihydro-1H-pyrazolo[3,4-b]pyridine-4-carboxylate chemical structure, C18H19N3O3, CAS 1174860-77-5](/s/GKKXAJPZGNLKNM-UHFFFAOYSA-N.svg)
Ethyl 3-methyl-1-(4-methylbenzyl)-6-oxo-6,7-dihydro-1H-pyrazolo[3,4-b]pyridine-4-carboxylate
CAS 1174860-77-5C18H19N3O3
![1-(4-Methoxyphenyl)-3-[2-(3-oxo-1H-isoindol-2-yl)ethyl]urea chemical structure, C18H19N3O3, CAS 385377-05-9](/s/MGDXMUJEPWGRPQ-UHFFFAOYSA-N.svg)
1-(4-Methoxyphenyl)-3-[2-(3-oxo-1H-isoindol-2-yl)ethyl]urea
CAS 385377-05-9C18H19N3O3
(3-Methyl-2-nitrophenyl)-(4-phenylpiperazin-1-yl)methanone
CAS 600126-61-2C18H19N3O3
![1-(2-Ethylbenzofuro[3,2-d]pyrimidin-4-yl)piperidine-4-carboxylic acid chemical structure, C18H19N3O3, CAS 848215-05-4](/s/JEDXGECWXJDEPV-UHFFFAOYSA-N.svg)
1-(2-Ethylbenzofuro[3,2-d]pyrimidin-4-yl)piperidine-4-carboxylic acid
CAS 848215-05-4C18H19N3O3
3-(4-Benzylpiperazine-1-carbonyl)pyridine-2-carboxylic acid
CAS 497083-24-6C18H19N3O3
![N-(4-(Dimethylamino)phenyl)-3-(2-oxobenzo[d]oxazol-3(2H)-yl)propanamide chemical structure, C18H19N3O3, CAS 851989-21-4](/s/HTWRZIUUEGQPHQ-UHFFFAOYSA-N.svg)
N-(4-(Dimethylamino)phenyl)-3-(2-oxobenzo[d]oxazol-3(2H)-yl)propanamide
CAS 851989-21-4C18H19N3O3
1-(4-Methoxyphenyl)-5-oxo-N-(pyridin-2-ylmethyl)pyrrolidine-3-carboxamide
CAS 878426-14-3C18H19N3O3
2-(3-Cyano-4,6-dimethyl-2-oxopyridin-1(2H)-yl)-N-(2-methoxybenzyl)acetamide
CAS 932338-34-6C18H19N3O3
LysoFP-NH2
CAS 69408-85-1C18H19N3O3
![(NE,13S,17R)-N-(dimethylaminomethylidene)-11,15-dioxa-16-azatetracyclo[8.7.0.02,7.013,17]heptadeca-1(10),2,4,6,8-pentaene-16-carboxamide chemical structure, C18H19N3O3, CAS 1864003-43-9](/s/PXWMZQZRPPTOGP-NBALVOGESA-N.svg)
(NE,13S,17R)-N-(dimethylaminomethylidene)-11,15-dioxa-16-azatetracyclo[8.7.0.02,7.013,17]heptadeca-1(10),2,4,6,8-pentaene-16-carboxamide
CAS 1864003-43-9C18H19N3O3
![1-{[2-(Furan-2-yl)imidazo[1,2-a]pyridin-3-yl]methyl}piperidine-4-carboxylic acid chemical structure, C18H19N3O3, CAS 904817-29-4](/s/WFYKRBKKIDCWPO-UHFFFAOYSA-N.svg)
1-{[2-(Furan-2-yl)imidazo[1,2-a]pyridin-3-yl]methyl}piperidine-4-carboxylic acid
CAS 904817-29-4C18H19N3O3
![tert-Butyl 7-(benzyloxy)-[1,2,4]triazolo[1,5-a]pyridine-8-carboxylate chemical structure, C18H19N3O3, CAS 1262132-96-6](/s/PIZBOTSMGZRWCL-UHFFFAOYSA-N.svg)
tert-Butyl 7-(benzyloxy)-[1,2,4]triazolo[1,5-a]pyridine-8-carboxylate
CAS 1262132-96-6C18H19N3O3
- N-[5-Acetyl-1-[2-(5-hydroxy-1H-indol-3-yl)ethyl]pyrrol-3-yl]acetamide1002722-87-3C18H19N3O3
- 1-Nitro-10-(3-dimethylaminopropyl)acridone hydrochloride22108-26-5C18H19N3O3
- 2-[2-(3-Ethyl-4-methyl-5-isoxazolyl)-1H-indol-3-yl]-N,N-dimethyl-2-oxoacetamide6051-51-0C18H19N3O3
- 5-(1-Adamantyl)-3-(4-nitrophenyl)-1,2,4-oxadiazole54608-95-6C18H19N3O3
- N-(3-Acetamidophenyl)-4-(propanoylamino)benzamide827621-23-8C18H19N3O3
- 2-[2-(3,4-Dimethoxybenzyl)-1H-benzimidazol-1-yl]acetamide955320-74-8C18H19N3O3
- N-(Furan-2-ylmethyl)-2-[2-(tetrahydrofuran-2-yl)-1H-benzimidazol-1-yl]acetamide955273-17-3C18H19N3O3
- N-(3-{[(Tetrahydro-2-furanylmethyl)amino]carbonyl}phenyl)isonicotinamide940493-45-8C18H19N3O3
- N-(4-{[(Tetrahydro-2-furanylmethyl)amino]carbonyl}phenyl)isonicotinamide940464-46-0C18H19N3O3
- N-(3-(1H-Imidazol-1-yl)propyl)-2-(7-methyl-2-oxo-2H-chromen-4-yl)acetamide919758-59-1C18H19N3O3
- N-(3,4-Dimethoxyphenyl)-2-(1H-indazol-3-yl)-N-methylacetamide1427962-22-8C18H19N3O3
- 3-(5-Isopropyl-2,6-dimethoxypyrimidine-4-carbonyl)-5-methylbenzonitrile1097628-99-3C18H19N3O3
- tert-Butyl 7-(benzyloxy)-[1,2,4]triazolo[4,3-a]pyridine-8-carboxylate1262132-95-5C18H19N3O3
- Methyl 3-(5,7-dimethyl-2-oxo-3-phenyl-1,2-dihydropyrazolo[1,5-a]pyrimidin-6-yl)propanoate1351393-87-7C18H19N3O3
- N-(4-Morpholinobut-2-yn-1-yl)-5-phenylisoxazole-3-carboxamide1396800-16-0C18H19N3O3
- N1-((2-hydroxy-1,2,3,4-tetrahydronaphthalen-2-yl)methyl)-N2-(pyridin-3-yl)oxalamide1421526-58-0C18H19N3O3
- Isochroman-3-yl(3-(pyrazin-2-yloxy)pyrrolidin-1-yl)methanone2034396-45-5C18H19N3O3
- 3-Methyl-4-nitro-N-(2-pyrrolidin-1-ylphenyl)benzamide531519-07-0C18H19N3O3
- N-(7,7-Dimethyl-5-oxo-5,6,7,8-tetrahydroquinazolin-2-yl)-2-methoxybenzamide774563-59-6C18H19N3O3
- 2-[[3-(2-Methylpropanoylamino)benzoyl]amino]benzamide599190-41-7C18H19N3O3
- [4-(2-Methyl-4-nitrophenyl)piperazin-1-yl]-phenylmethanone714279-19-3C18H19N3O3
- N-{[3-(3-Methylphenyl)-1,2,4-oxadiazol-5-yl]methyl}-N-(propan-2-yl)furan-2-carboxamide727362-30-3C18H19N3O3
- 5-[(3,5-Dimethylpyrazol-1-yl)methyl]-N-(2-methoxyphenyl)furan-2-carboxamide514843-51-7C18H19N3O3
- N-[2-(Oxolan-2-ylmethylcarbamoyl)phenyl]pyridine-4-carboxamide876522-60-0C18H19N3O3
- 2-(3-Cyano-4,6-dimethyl-2-oxopyridin-1(2H)-yl)-N-(4-ethoxyphenyl)acetamide878677-30-6C18H19N3O3
- N-(2-(Imidazo[1,2-a]pyridin-2-yl)ethyl)-2,4-dimethoxybenzamide868977-62-2C18H19N3O3
- 1-Amino-2-(dimethylamino)-4-(2-hydroxyethylamino)anthracene-9,10-dione904006-72-0C18H19N3O3
- 1-(2-Ethoxyphenyl)-3-(2-oxo-1,2,3,4-tetrahydroquinolin-6-yl)urea1172726-62-3C18H19N3O3
- N1-(2-methoxyphenyl)-N2-methylindoline-1,2-dicarboxamide1101206-09-0C18H19N3O3
- N1-(4-methoxyphenyl)-N2-methylindoline-1,2-dicarboxamide1100751-76-5C18H19N3O3
- 6,7,8-Trimethoxy-N-methyl-N-phenylquinazolin-4-amine174892-23-0C18H19N3O3
- N-(2-Oxo-2H-chromen-3-yl)-3-(1,3,5-trimethyl-1H-pyrazol-4-yl)propanamide1251634-13-5C18H19N3O3
- N-(2-Furylmethyl)-2-[5-(4-methoxyphenyl)-3-methyl-1H-pyrazol-4-yl]acetamide1489260-36-7C18H19N3O3
- N-[2-Cyclopropyl-2-(furan-2-yl)-2-hydroxyethyl]-2-methylimidazo[1,2-A]pyridine-3-carboxamide1421492-12-7C18H19N3O3
- N-[2-Hydroxy-2-(1-methyl-1H-indol-3-yl)ethyl]-1-methyl-2-oxo-1,2-dihydropyridine-3-carboxamide1448131-17-6C18H19N3O3
- N-(2-(Cyclopropanecarbonyl)-1,2,3,4-tetrahydroisoquinolin-7-yl)-5-methylisoxazole-4-carboxamide1428359-89-0C18H19N3O3
- N-(1-((Tetrahydro-2H-pyran-4-yl)methyl)-1H-pyrazol-4-yl)benzofuran-2-carboxamide1705097-28-4C18H19N3O3
- 2-(3-(3-Cyclopentyl-1,2,4-oxadiazol-5-yl)propyl)isoindoline-1,3-dione1809475-17-9C18H19N3O3
- 2-(5-Amino-2-propoxyphenyl)-8-methoxy-1H-quinazolin-4-one178937-98-9C18H19N3O3
- 2-((3,4-Dimethoxyphenethyl)amino)quinazolin-4(1H)-one61741-47-7C18H19N3O3
- 1-(4,6-Dimethylpyrimidin-2-yl)-4-(4-methoxyphenyl)piperidine-2,6-dione76734-05-9C18H19N3O3
- N-(4-{[2-(2-Methylbenzoyl)hydrazino]carbonyl}phenyl)propanamide316153-74-9C18H19N3O3
- 3-Nitro-N-(4-piperidin-1-ylphenyl)benzamide448912-81-0C18H19N3O3
- (E)-3-[1-(2-Methoxyethyl)-2,5-dimethylpyrrol-3-yl]-2-(3-nitrophenyl)prop-2-enenitrile712317-52-7C18H19N3O3
- N-[[1-[2-(2-Methoxyphenoxy)ethyl]benzimidazol-2-yl]methyl]formamide890644-77-6C18H19N3O3
- 1-[3-(3,4-Dimethoxyphenyl)-2,7-dimethylpyrazolo[1,5-a]pyrimidin-6-yl]ethanone876898-55-4C18H19N3O3
- 1-(4-Methoxyphenyl)-5-oxo-N-(pyridin-4-ylmethyl)pyrrolidine-3-carboxamide878426-56-3C18H19N3O3
- 3-(1H-Benzimidazol-2-yl)-N-(2,4-dimethoxyphenyl)propanamide879057-47-3C18H19N3O3
- 1-(3-Methoxy-4-(2-oxopyrrolidin-1-yl)phenyl)-3-phenylurea922886-57-5C18H19N3O3
- 1-(4-Methoxy-3-(2-oxopyrrolidin-1-yl)phenyl)-3-phenylurea922977-78-4C18H19N3O3
- 2-(3-Cyano-4,6-dimethyl-2-oxopyridin-1(2H)-yl)-N-(4-methoxybenzyl)acetamide932314-83-5C18H19N3O3
- N-{2-[(2E)-2-(2-methoxybenzylidene)hydrazino]-2-oxoethyl}-2-methylbenzamide444562-52-1C18H19N3O3
- 2-Amino-5-[(3,4-dimethoxyphenyl)methyl]-5-phenyl-4,5-dihydro-1H-imidazol-4-one512190-92-0C18H19N3O3
- N-{4-[(2-Furylmethyl)amino]-4-oxobutyl}-1H-indole-2-carboxamide951937-73-8C18H19N3O3
- 1-(2-Methoxyphenyl)-N-(4-methylpyridin-2-yl)-5-oxopyrrolidine-3-carboxamide873563-60-1C18H19N3O3
- 2-{[4-(Furan-2-ylmethyl)piperazin-1-yl]methyl}-1H-isoindole-1,3(2H)-dione832141-86-3C18H19N3O3
- 1-(4-Methoxyphenethyl)-3-(2-oxoindolin-5-yl)urea1171559-74-2C18H19N3O3
- N-(3-Methoxypropyl)-3-methyl-6-phenylisoxazolo[5,4-b]pyridine-4-carboxamide1179410-00-4C18H19N3O3
- N-(4-Methoxyphenethyl)-3,6-dimethylisoxazolo[5,4-b]pyridine-4-carboxamide1190280-35-3C18H19N3O3
- N-(1H-Benzimidazol-5-yl)-3-(3,4-dimethoxyphenyl)propanamide1219582-05-4C18H19N3O3
- N-(4-Acetylphenyl)-2-(4-oxo-5,6,7,8-tetrahydroquinazolin-3(4H)-yl)acetamide1251703-96-4C18H19N3O3
- 2-(3,4-Dimethoxyphenyl)-N-(2-methyl-1H-benzimidazol-5-yl)acetamide1232784-82-5C18H19N3O3
- N-[2-(Methoxymethyl)-1H-benzimidazol-5-yl]-2-(4-methoxyphenyl)acetamide1232790-49-6C18H19N3O3
- N-[2-(Methoxymethyl)-1H-benzimidazol-5-yl]-2-(2-methoxyphenyl)acetamide1232770-20-5C18H19N3O3
- N-(Bicyclo[2.2.1]hept-5-en-2-ylmethyl)-2-[3-(2-furyl)-6-oxo-1(6H)-pyridazinyl]acetamide1282142-52-2C18H19N3O3
- 3-{6-[(2-Ethylphenyl)oxy]-3-pyridinyl}-5,5-dimethyl-2,4-imidazolidinedione1311136-93-2C18H19N3O3
- 3-{6-[(2,6-Dimethylphenyl)oxy]-3-pyridinyl}-5,5-dimethyl-2,4-imidazolidinedione1311136-94-3C18H19N3O3
- 1-(3-Cyano-6-ethoxyquinolin-4-yl)piperidine-4-carboxylic acid1351777-79-1C18H19N3O3
- 4-Benzyl-N-(6-methylpyridin-2-yl)-5-oxomorpholine-3-carboxamide1351589-34-8C18H19N3O3
- 2-Methyl-N-(2,4,6-trimethoxyphenyl)quinazolin-4-amine827031-14-1C18H19N3O3
- 2-Methyl-N-(3,4,5-trimethoxyphenyl)quinazolin-4-amine883732-61-4C18H19N3O3
- 2-(3-Methoxyphenyl)-1-methyl-5-oxo-N-(pyridin-2-yl)pyrrolidine-3-carboxamide1374531-77-7C18H19N3O3
- N1-(2-cyclopropyl-2-hydroxy-2-phenylethyl)-N2-(pyridin-3-yl)oxalamide1421451-04-8C18H19N3O3
- N-((5-(Furan-2-yl)-1-methyl-1H-pyrazol-3-yl)methyl)-2-(o-tolyloxy)acetamide1421500-04-0C18H19N3O3
- 2-[4-(Acetylamino)-1H-indol-1-yl]-N-[2-(furan-2-yl)ethyl]acetamide1630826-55-9C18H19N3O3
- (3-Naphthalen-1-yl-[1,2,4]oxadiazol-5-ylmethyl)-carbamic acid tert-butyl ester1858256-38-8C18H19N3O3
Frequently asked questions
What is the molar mass of C18H19N3O3?
The molar mass of C18H19N3O3 is 325.37 g/mol, calculated from standard atomic weights for 18 carbon atoms, 19 hydrogen atoms, 3 nitrogen atoms and 3 oxygen atoms. The monoisotopic mass is 331.1803 Da.
How many compounds have the formula C18H19N3O3?
CompoundList lists 401 compounds with the molecular formula C18H19N3O3, including 1-(5-Hydroxy-3-methyl-5-pyridin-3-yl-4H-pyrazol-1-yl)-2-(2-methylphenoxy)ethanone, 3-((4-(Dimethylamino)phenyl)amino)-1-(4-hydroxyphenyl)pyrrolidine-2,5-dione, 2-Nitrophenyl 4-benzylpiperazinyl ketone. 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 C18H19N3O3?
C18H19N3O3 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.