Molecular formula
C18H19N5O3
212 compounds have this formula on CompoundList.
- Molar mass
- 353.38g/mol
- Monoisotopic mass
- 353.1488Da
- Atoms
- 45
- Elements
- 4
- Rings plus double bonds
- 12
The formula C18H19N5O3 describes a molecule made of 18 carbon atoms, 19 hydrogen atoms, 5 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 × 1861.18%12.011 × 18 = 216.198 g/mol
- H Hydrogen × 195.42%1.008 × 19 = 19.152 g/mol
- N Nitrogen × 519.82%14.007 × 5 = 70.035 g/mol
- O Oxygen × 313.58%15.999 × 3 = 47.997 g/mol
Look up another formula
Compounds with the formula C18H19N5O3
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 101 to 200 of 212 compounds
5-Amino-1-benzyl-N-(2,5-dimethoxyphenyl)-1H-1,2,3-triazole-4-carboxamide
CAS 899749-82-7C18H19N5O3
5-Amino-1-benzyl-N-(3,5-dimethoxyphenyl)-1H-1,2,3-triazole-4-carboxamide
CAS 899972-64-6C18H19N5O3
![5-[3-(Morpholin-4-yl)-3-oxopropyl]-1-phenyl-1H,4H,5H-pyrazolo[3,4-d]pyrimidin-4-one chemical structure, C18H19N5O3, CAS 953151-79-6](/s/IXYJZTKPAVGMFN-UHFFFAOYSA-N.svg)
5-[3-(Morpholin-4-yl)-3-oxopropyl]-1-phenyl-1H,4H,5H-pyrazolo[3,4-d]pyrimidin-4-one
CAS 953151-79-6C18H19N5O3
5-Amino-N-(2,4-dimethoxyphenyl)-1-(3-methylphenyl)-1H-1,2,3-triazole-4-carboxamide
CAS 951903-29-0C18H19N5O3
5-Amino-N-(2,5-dimethoxyphenyl)-1-(4-methylphenyl)-1H-1,2,3-triazole-4-carboxamide
CAS 951903-33-6C18H19N5O3
5-Amino-N-(2,5-dimethoxyphenyl)-1-(2-methylphenyl)-1H-1,2,3-triazole-4-carboxamide
CAS 951903-39-2C18H19N5O3
5-Amino-N-(2-ethoxyphenyl)-1-(4-methoxyphenyl)-1H-1,2,3-triazole-4-carboxamide
CAS 939747-21-4C18H19N5O3
5-Amino-1-(2,5-dimethoxyphenyl)-N-(4-methylphenyl)-1H-1,2,3-triazole-4-carboxamide
CAS 1032229-23-4C18H19N5O3
5-Amino-N-(2,4-dimethoxyphenyl)-1-(4-methylphenyl)-1H-1,2,3-triazole-4-carboxamide
CAS 1032226-59-7C18H19N5O3
![N-(4-Methoxyphenyl)-2-(1-oxo-7,8,9,10-tetrahydro-[1,2,4]triazino[4,5-b]indazol-2(1H)-yl)acetamide chemical structure, C18H19N5O3, CAS 1032006-22-6](/s/TUSFYZYFTJXADO-UHFFFAOYSA-N.svg)
N-(4-Methoxyphenyl)-2-(1-oxo-7,8,9,10-tetrahydro-[1,2,4]triazino[4,5-b]indazol-2(1H)-yl)acetamide
CAS 1032006-22-6C18H19N5O3
N-(3,4-Dimethoxybenzyl)-2-(3-pyridin-2-yl-1H-1,2,4-triazol-5-yl)acetamide
CAS 1326826-75-8C18H19N5O3
(E)-N-(2-(3-(3,5-Dimethyl-1H-pyrazol-1-yl)-6-oxopyridazin-1(6H)-yl)ethyl)-3-(furan-2-yl)acrylamide
CAS 1351664-62-4C18H19N5O3
N-(2-(3-(1H-Imidazol-1-yl)-6-oxopyridazin-1(6H)-yl)ethyl)-2-(2-methoxyphenyl)acetamide
CAS 1396803-36-3C18H19N5O3
![2-(1H-Benzo[d]imidazol-1-yl)-1-(3-((3-methoxypyrazin-2-yl)oxy)pyrrolidin-1-yl)ethanone chemical structure, C18H19N5O3, CAS 2034577-27-8](/s/ITNHZVBLZQEGPP-UHFFFAOYSA-N.svg)
2-(1H-Benzo[d]imidazol-1-yl)-1-(3-((3-methoxypyrazin-2-yl)oxy)pyrrolidin-1-yl)ethanone
CAS 2034577-27-8C18H19N5O3
3-(1-(2-(1H-Pyrazol-1-yl)acetyl)piperidin-4-yl)quinazoline-2,4(1H,3H)-dione
CAS 2034415-49-9C18H19N5O3
6-(3-(3-Methyl-1,2,4-oxadiazol-5-yl)-4-phenylpyrrolidine-1-carbonyl)-4,5-dihydropyridazin-3(2H)-one
CAS 1903310-05-3C18H19N5O3
tert-Butyl 2-(3-carbamoyl-5-(pyrimidin-5-yl)-1H-indazol-1-yl)acetate
CAS 1903745-13-0C18H19N5O3
3-(3-(1,2,4-Oxadiazol-3-yl)pyrrolidine-1-carbonyl)-1-ethyl-7-methyl-1,8-naphthyridin-4(1H)-one
CAS 2034277-19-3C18H19N5O3
![3-(2-((1R,5S)-3-(1H-1,2,4-Triazol-1-yl)-8-azabicyclo[3.2.1]octan-8-yl)-2-oxoethyl)benzo[d]oxazol-2(3H)-one chemical structure, C18H19N5O3, CAS 2320417-91-0](/s/KSETXFMTAUNMQY-UHFFFAOYSA-N.svg)
3-(2-((1R,5S)-3-(1H-1,2,4-Triazol-1-yl)-8-azabicyclo[3.2.1]octan-8-yl)-2-oxoethyl)benzo[d]oxazol-2(3H)-one
CAS 2320417-91-0C18H19N5O3
N-(3-(Furan-2-yl)-1-(4-isopropyl-6-oxo-1,6-dihydropyrimidin-2-yl)-1H-pyrazol-5-yl)cyclopropanecarboxamide
CAS 1207027-41-5C18H19N5O3
N-(Furan-2-ylmethyl)-5-methyl-1-(4-oxo-3,4,5,6,7,8-hexahydroquinazolin-2-yl)-1H-pyrazole-4-carboxamide
CAS 1171505-14-8C18H19N5O3
2-(3-(3,5-Dimethyl-1H-pyrazol-1-yl)-6-oxopyridazin-1(6H)-yl)-N-(4-methoxyphenyl)acetamide
CAS 871502-28-2C18H19N5O3
![4-Methyl-6-(2-morpholino-2-oxoethyl)-1-phenyl-1H-pyrazolo[3,4-d]pyridazin-7(6H)-one chemical structure, C18H19N5O3, CAS 941884-05-5](/s/JMFPKWADJMXLSM-UHFFFAOYSA-N.svg)
4-Methyl-6-(2-morpholino-2-oxoethyl)-1-phenyl-1H-pyrazolo[3,4-d]pyridazin-7(6H)-one
CAS 941884-05-5C18H19N5O3
![2-(4-Oxo-1-phenyl-1H-pyrazolo[3,4-d]pyrimidin-5(4H)-yl)-N-((tetrahydrofuran-2-yl)methyl)acetamide chemical structure, C18H19N5O3, CAS 852440-29-0](/s/FFRBKNPYTSTQMO-UHFFFAOYSA-N.svg)
2-(4-Oxo-1-phenyl-1H-pyrazolo[3,4-d]pyrimidin-5(4H)-yl)-N-((tetrahydrofuran-2-yl)methyl)acetamide
CAS 852440-29-0C18H19N5O3
- 2,3-Dimethoxy-N-((1-(p-tolyl)-1H-tetrazol-5-yl)methyl)benzamide921165-69-7C18H19N5O3
- 2-(4-Methoxyphenyl)-N-{[1-(4-methoxyphenyl)-1H-1,2,3,4-tetrazol-5-yl]methyl}acetamide933002-13-2C18H19N5O3
- 7-(4-Methoxyphenyl)-1-methyl-8-propyl-1H,2H,3H,4H,8H-imidazo[1,2-g]purine-2,4-dione1040667-84-2C18H19N5O3
- N-{[1-(4-Methoxyphenyl)-1H-1,2,3,4-tetrazol-5-yl]methyl}-2-(4-methylphenoxy)acetamide946359-87-1C18H19N5O3
- N-[2-(3,4-Dimethoxyphenyl)ethyl]-3-(1H-tetrazol-1-yl)benzamide896862-65-0C18H19N5O3
- N-[2-(3,4-Dimethoxyphenyl)ethyl]-4-(1H-tetrazol-1-yl)benzamide896902-72-0C18H19N5O3
- 3-(4-Methoxyphenyl)-N-[4-methoxy-3-(1H-tetrazol-1-yl)phenyl]propanamide1190276-16-4C18H19N5O3
- 3-(2-Methoxyphenyl)-N-[4-methoxy-3-(1H-tetrazol-1-yl)phenyl]propanamide1190301-90-6C18H19N5O3
- 1-Methyl-N-(2-(4-methyl-5-oxo-3-phenyl-4,5-dihydro-1H-1,2,4-triazol-1-yl)ethyl)-2-oxo-1,2-dihydropyridine-3-carboxamide1203084-62-1C18H19N5O3
- 2-(3-(3,5-Dimethyl-1H-pyrazol-1-yl)-6-oxopyridazin-1(6H)-yl)-N-(2-methoxyphenyl)acetamide1219556-74-7C18H19N5O3
- 2-(3-(3,5-Dimethyl-1H-pyrazol-1-yl)-6-oxopyridazin-1(6H)-yl)-N-(3-methoxyphenyl)acetamide1219548-63-6C18H19N5O3
- (4-(5-(5-Ethyl-1,2,4-oxadiazol-3-yl)pyridin-2-yl)piperazin-1-yl)(furan-2-yl)methanone1234944-66-1C18H19N5O3
- N-[2-(2-Methoxyphenoxy)ethyl]-3-(5-methyl-1H-tetrazol-1-yl)benzamide1324083-11-5C18H19N5O3
- N-[2-(2-Methoxyphenoxy)ethyl]-4-(5-methyl-1H-tetrazol-1-yl)benzamide1324083-19-3C18H19N5O3
- N-[2-(2-Methoxyphenoxy)ethyl]-2-(5-methyl-1H-tetrazol-1-yl)benzamide1374525-14-0C18H19N5O3
- N-[2-(4-Hydroxyphenyl)ethyl]-2-[4-(2-methyl-2H-tetrazol-5-yl)phenoxy]acetamide1574337-71-5C18H19N5O3
- 5-(Furan-2-yl)-N-((1-(pyrazin-2-yl)piperidin-4-yl)methyl)isoxazole-3-carboxamide1448043-64-8C18H19N5O3
- N-((1r,4r)-4-((3-Cyanopyrazin-2-yl)oxy)cyclohexyl)-5-cyclopropylisoxazole-3-carboxamide2034581-00-3C18H19N5O3
- 3-((1-(4,5,6,7-Tetrahydrobenzo[d]isoxazole-3-carbonyl)piperidin-3-yl)oxy)pyrazine-2-carbonitrile2034478-92-5C18H19N5O3
- 3-((1-(6-Ethoxynicotinoyl)piperidin-3-yl)oxy)pyrazine-2-carbonitrile2034229-37-1C18H19N5O3
- 4-Methoxy-1-methyl-6-oxo-N-[1-phenyl-2-(2H-1,2,3-triazol-2-yl)ethyl]-1,6-dihydropyridine-3-carboxamide2034560-44-4C18H19N5O3
- 2-(2-Methoxyphenoxy)-N-{2-[3-(pyrazin-2-yl)-1H-pyrazol-1-yl]ethyl}acetamide2034547-59-4C18H19N5O3
- 3-(1H-Pyrazol-1-yl)-N-((3-(tetrahydro-2H-pyran-4-yl)-1,2,4-oxadiazol-5-yl)methyl)benzamide2034421-16-2C18H19N5O3
- 4-Methoxy-1-methyl-N-((5-(1-methyl-1H-pyrazol-5-yl)pyridin-3-yl)methyl)-6-oxo-1,6-dihydropyridine-3-carboxamide2034384-87-5C18H19N5O3
- 2-(2-Methoxyphenoxy)-N-(2-(2-(pyrazin-2-yl)-1H-imidazol-1-yl)ethyl)acetamide2034450-37-6C18H19N5O3
- 3-(Furan-2-yl)-1-methyl-N-(2-(3-oxo-3,5,6,7-tetrahydro-2H-cyclopenta[c]pyridazin-2-yl)ethyl)-1H-pyrazole-5-carboxamide2034297-36-2C18H19N5O3
- 3-(3-Methoxyphenyl)-1-methyl-N-[2-(2-oxo-1,2-dihydropyrimidin-1-yl)ethyl]-1H-pyrazole-5-carboxamide2191213-67-7C18H19N5O3
- N-(1-(4,5-Dimethyl-6-oxo-1,6-dihydropyrimidin-2-yl)-3-methyl-1H-pyrazol-5-yl)-2-phenoxyacetamide1004680-50-5C18H19N5O3
- 2-(4-Methoxyphenyl)-N-(3-methyl-1-(4-methyl-6-oxo-1,6-dihydropyrimidin-2-yl)-1H-pyrazol-5-yl)acetamide1004154-41-9C18H19N5O3
- N-(3-(Furan-2-yl)-1-(4-methyl-6-oxo-1,6-dihydropyrimidin-2-yl)-1H-pyrazol-5-yl)cyclopentanecarboxamide1206996-09-9C18H19N5O3
- N-(3-(Furan-2-yl)-1-(4-oxo-4,5,6,7-tetrahydro-3H-cyclopenta[d]pyrimidin-2-yl)-1H-pyrazol-5-yl)butyramide1209089-10-0C18H19N5O3
- N-(3-(Furan-2-yl)-1-(4-oxo-4,5,6,7-tetrahydro-3H-cyclopenta[d]pyrimidin-2-yl)-1H-pyrazol-5-yl)isobutyramide1211229-85-4C18H19N5O3
- N-(3-(Furan-2-yl)-1-(4-oxo-3,4,5,6,7,8-hexahydroquinazolin-2-yl)-1H-pyrazol-5-yl)propionamide1208812-40-1C18H19N5O3
- Dabigatran metabolite M3541015167-29-9C18H19N5O3
- Insecticidal agent 103026314-21-3C18H19N5O3
- 1-{1-[(Furan-2-yl)methyl]-4-(4-nitrophenyl)-1H-1,2,3-triazol-5-yl}piperidine80212-93-7C18H19N5O3
- 4-[2-Amino-4-isopropoxy-pyrido[3,2-d]pyrimidin-6-yl]-N-methoxy-benzamide1036386-34-1C18H19N5O3
- 3-(3,4-Dimethoxyphenyl)-N-[3-(1H-tetrazol-1-yl)phenyl]propanamide1037910-67-0C18H19N5O3
- 3-(3,4-Dimethoxyphenyl)-N-[4-(1H-tetrazol-1-yl)phenyl]propanamide1096027-80-3C18H19N5O3
- N-(2-((3-(3-Methoxyphenyl)-[1,2,4]triazolo[4,3-b]pyridazin-6-yl)oxy)ethyl)cyclopropanecarboxamide1021066-33-0C18H19N5O3
- N-[3-(5,7-Dimethyl[1,2,4]triazolo[4,3-a]pyrimidin-3-yl)propyl]-1,3-benzodioxole-5-carboxamide1010892-26-8C18H19N5O3
- 3-Oxo-N-(pyridin-3-ylmethyl)-5-((tetrahydrofuran-2-yl)methyl)-3,5-dihydro-2H-pyrazolo[4,3-c]pyridine-7-carboxamide1207004-17-8C18H19N5O3
- 3-Oxo-N-(pyridin-2-ylmethyl)-5-((tetrahydrofuran-2-yl)methyl)-3,5-dihydro-2H-pyrazolo[4,3-c]pyridine-7-carboxamide1207019-08-6C18H19N5O3
- 1-(6-(Furan-2-yl)pyridazin-3-yl)-N-(3-methylisoxazol-5-yl)piperidine-4-carboxamide1251708-67-4C18H19N5O3
- N-(1H-Indol-5-yl)-2-[3-(morpholin-4-yl)-6-oxopyridazin-1(6H)-yl]acetamide1282110-33-1C18H19N5O3
- N-(1H-Indol-6-yl)-2-[3-(morpholin-4-yl)-6-oxopyridazin-1(6H)-yl]acetamide1282142-86-2C18H19N5O3
- N-(3,4-Dimethoxybenzyl)-4-(5-methyl-1H-tetrazol-1-yl)benzamide1324076-41-6C18H19N5O3
- N-(3,4-Dimethoxybenzyl)-3-(5-methyl-1H-tetrazol-1-yl)benzamide1324063-43-5C18H19N5O3
- N-(3-Acetylphenyl)-4-(6-methoxy[1,2,4]triazolo[4,3-b]pyridazin-3-yl)butanamide1324092-78-5C18H19N5O3
- N-(4-Acetylphenyl)-4-(6-methoxy[1,2,4]triazolo[4,3-b]pyridazin-3-yl)butanamide1324055-75-5C18H19N5O3
- 4-(6-Amino-5-(1-isopropyl-1H-1,2,3-triazol-4-yl)pyridin-3-yl)-2-methoxybenzoic acid1617499-19-0C18H19N5O3
- 4-Methoxy-1-methyl-N-{[2-(1-methyl-1H-pyrazol-4-yl)pyridin-4-yl]methyl}-6-oxo-1,6-dihydropyridine-3-carboxamide2097931-97-8C18H19N5O3
- N-(2,3-Dihydro-1,4-benzodioxin-6-yl)-9-[(oxolan-2-yl)methyl]-9H-purin-6-amine2640896-95-1C18H19N5O3
- 9-Amino-N-[2-(dimethylamino)ethyl]-7-nitroacridine-4-carboxamide89459-58-5C18H19N5O3
- Ethyl 5-[(dimethylcarbamoyl)amino]-1-(quinolin-2-yl)-1H-pyrazole-4-carboxylate1177821-95-2C18H19N5O3
- 1H-Pyrrole-3-carboxylic acid, 2-[1-amino-2-(phenylmethoxy)ethyl]-5-(2-amino-4-pyrimidinyl)-947327-57-3C18H19N5O3
- 5-[(4-Methoxyphenyl)amino]-N-[(2-methoxyphenyl)methyl]-1H-1,2,3-triazole-4-carboxamide1357850-41-9C18H19N5O3
- 9-Amino-N-[2-(dimethylamino)ethyl]-2-nitroacridine-4-carboxamide89459-47-2C18H19N5O3
- 9-Amino-N-[2-(dimethylamino)ethyl]-6-nitroacridine-4-carboxamide89459-54-1C18H19N5O3
- 2-(4-{2-[(4-Butylphenyl)carbamoyl]-2-cyanoeth-1-en-1-yl}-1H-1,2,3-triazol-1-yl)acetic acid1608037-02-0C18H19N5O3
- 2-[4-[(Z)-3-(4-Butylanilino)-2-cyano-3-oxoprop-1-enyl]triazol-1-yl]acetic acidC18H19N5O3
- 2-Ethoxy-N-(3-methyl-1-(4-methyl-6-oxo-1,6-dihydropyrimidin-2-yl)-1H-pyrazol-5-yl)benzamide1004637-79-9C18H19N5O3
- N-(3-Cyclopropyl-1-(4-isopropyl-6-oxo-1,6-dihydropyrimidin-2-yl)-1H-pyrazol-5-yl)furan-2-carboxamide1207007-43-9C18H19N5O3
- 6-{4-[2-(1H-Indol-1-yl)acetyl]piperazin-1-yl}-1,2,3,4-tetrahydropyrimidine-2,4-dione2320888-81-9C18H19N5O3
- 2-{[1-(1-Methyl-6-oxo-1,6-dihydropyridazine-3-carbonyl)piperidin-4-yl]methoxy}pyridine-4-carbonitrile2380044-39-1C18H19N5O3
- 2-{[1-(1-Methyl-6-oxo-1,6-dihydropyridazine-3-carbonyl)piperidin-3-yl]methoxy}pyridine-4-carbonitrile2380033-82-7C18H19N5O3
- [2-[3-(4-Nitrophenyl)-2-triazen-1-yl]phenyl]-1-piperidinylmethanone52745-21-8C18H19N5O3
- N-(2,4-Dimethoxyphenyl)-3-{[1,2,4]triazolo[4,3-a]pyridin-3-yl}azetidine-1-carboxamide2877641-00-2C18H19N5O3
- N-{4-[(4-Oxoazetidin-2-yl)oxy]phenyl}-6-(pyrrolidin-1-yl)pyridazine-3-carboxamide2411246-57-4C18H19N5O3
- N-(1,3-benzodiS-5-yl)-3-(6-methylpyrimidin-4-yl)-3,6-diazabicyclo[3.1.1]heptane-6-carboxamide3081992-21-1C18H19N5O3
- 1-(1-(1-Methyl-6-oxo-1,6-dihydropyridazine-3-carbonyl)piperidin-4-yl)-1H-benzo[d]imidazol-2(3H)-one1325569-52-5C18H19N5O3
- Ethyl N-[3-[[1-(1-methylpyrazol-4-yl)-4-oxopyridazin-3-yl]methyl]phenyl]carbamate1314380-58-9C18H19N5O3
- Ethyl N-[3-[[1-(1-methylpyrazol-3-yl)-4-oxopyridazin-3-yl]methyl]phenyl]carbamate1314380-82-9C18H19N5O3
- 2-[(E)-(4-Acetamido-2-aminophenyl)diazenyl]-3-oxo-N-phenylbutanamide62459-46-5C18H19N5O3
- 3-(Ethyl{4-[(E)-(2-methoxy-4-nitrophenyl)diazenyl]phenyl}amino)propanenitrile62194-11-0C18H19N5O3
- N-[1-(4-Nitrophenyl)-1H-pyrazol-5-yl]-1-(prop-2-yn-1-yl)piperidine-4-carboxamide1376006-58-4C18H19N5O3
Frequently asked questions
What is the molar mass of C18H19N5O3?
The molar mass of C18H19N5O3 is 353.38 g/mol, calculated from standard atomic weights for 18 carbon atoms, 19 hydrogen atoms, 5 nitrogen atoms and 3 oxygen atoms. The monoisotopic mass is 353.1488 Da.
How many compounds have the formula C18H19N5O3?
CompoundList lists 212 compounds with the molecular formula C18H19N5O3, including 5-Amino-1-benzyl-N-(2,5-dimethoxyphenyl)-1H-1,2,3-triazole-4-carboxamide, 5-Amino-1-benzyl-N-(3,5-dimethoxyphenyl)-1H-1,2,3-triazole-4-carboxamide, 5-[3-(Morpholin-4-yl)-3-oxopropyl]-1-phenyl-1H,4H,5H-pyrazolo[3,4-d]pyrimidin-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 C18H19N5O3?
C18H19N5O3 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.