Molecular formula
C18H22N4O3
341 compounds have this formula on CompoundList.
- Molar mass
- 342.40g/mol
- Monoisotopic mass
- 342.1692Da
- Atoms
- 47
- Elements
- 4
- Rings plus double bonds
- 10
The formula C18H22N4O3 describes a molecule made of 18 carbon atoms, 22 hydrogen atoms, 4 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 × 1863.14%12.011 × 18 = 216.198 g/mol
- H Hydrogen × 226.48%1.008 × 22 = 22.176 g/mol
- N Nitrogen × 416.36%14.007 × 4 = 56.028 g/mol
- O Oxygen × 314.02%15.999 × 3 = 47.997 g/mol
Look up another formula
Compounds with the formula C18H22N4O3
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 100 of 341 compounds
![1',3,3'-Trimethyl-2,3,4,4a-tetrahydro-1H,2'H,6H-spiro[pyrazino[1,2-a]quinoline-5,5'-pyrimidine]-2',4',6'(1'H,3'H)-trione chemical structure, C18H22N4O3, CAS 442671-23-0](/s/NELXOBPOTDGLGF-UHFFFAOYSA-N.svg)
1',3,3'-Trimethyl-2,3,4,4a-tetrahydro-1H,2'H,6H-spiro[pyrazino[1,2-a]quinoline-5,5'-pyrimidine]-2',4',6'(1'H,3'H)-trione
CAS 442671-23-0C18H22N4O3
![N-(1-Butyl-6-methoxypyrazolo[3,4-b]quinolin-3-yl)-2-methoxyacetamide chemical structure, C18H22N4O3, CAS 714288-98-9](/s/CCMZKNNGOOZGNA-UHFFFAOYSA-N.svg)
N-(1-Butyl-6-methoxypyrazolo[3,4-b]quinolin-3-yl)-2-methoxyacetamide
CAS 714288-98-9C18H22N4O3
Ethyl 5-(2,6-dimethylmorpholino)-3-phenyl-1,2,4-triazine-6-carboxylate
CAS 866051-58-3C18H22N4O3
![4-[4-(Dimethylamino)anilino]-4-oxo-2-(pyridin-2-ylmethylamino)butanoic acid chemical structure, C18H22N4O3, CAS 1026765-64-9](/s/JXNSKSRSHWHDBH-UHFFFAOYSA-N.svg)
4-[4-(Dimethylamino)anilino]-4-oxo-2-(pyridin-2-ylmethylamino)butanoic acid
CAS 1026765-64-9C18H22N4O3
1,3-Dimethyl-7-(1-phenylethyl)-8-propoxy-3,7-dihydro-1H-purine-2,6-dione
CAS 476480-31-6C18H22N4O3
![N-Isopropyl-5-(4-methoxybenzyl)-4-oxo-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrazine-2-carboxamide chemical structure, C18H22N4O3, CAS 477859-35-1](/s/BJWZTJHKNDURSO-UHFFFAOYSA-N.svg)
N-Isopropyl-5-(4-methoxybenzyl)-4-oxo-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrazine-2-carboxamide
CAS 477859-35-1C18H22N4O3
Ethyl 4-((6-methyl-2-morpholinopyrimidin-4-yl)amino)benzoate
CAS 380871-99-8C18H22N4O3
![[1-(2-{[(5-Nitro-2-pyridinyl)amino]methyl}phenyl)-4-piperidinyl]methanol chemical structure, C18H22N4O3, CAS 860610-89-5](/s/IWHXZTUNVKUZIU-UHFFFAOYSA-N.svg)
[1-(2-{[(5-Nitro-2-pyridinyl)amino]methyl}phenyl)-4-piperidinyl]methanol
CAS 860610-89-5C18H22N4O3
2-(4-Methoxyphenyl)-5-(3-morpholin-4-ylpropylamino)-1,3-oxazole-4-carbonitrile
CAS 613651-30-2C18H22N4O3
N-(3,4-Dimethoxyphenyl)-1-pyrazin-2-ylpiperidine-4-carboxamide
CAS 605639-69-8C18H22N4O3
1,3-Dimethyl-7-(2-phenylethyl)-8-propoxy-3,7-dihydro-1H-purine-2,6-dione
CAS 476480-29-2C18H22N4O3
![4-{2-(Dimethylamino)-2-[5-oxo-2-phenyl-1,3-oxazol-4(5H)-yliden]ethyl}tetrahydro-1(2H)-pyrazinecarbaldehyde chemical structure, C18H22N4O3, CAS 1164466-65-2](/s/KHFMMJHZVOOTLJ-NXVVXOECSA-N.svg)
4-{2-(Dimethylamino)-2-[5-oxo-2-phenyl-1,3-oxazol-4(5H)-yliden]ethyl}tetrahydro-1(2H)-pyrazinecarbaldehyde
CAS 1164466-65-2C18H22N4O3
8-(4-Methoxyphenyl)-1,3-dipropyl-3,7-dihydro-1H-purine-2,6-dione
CAS 101126-73-2C18H22N4O3
![4-Benzyl-N-[3-(1H-imidazol-1-yl)propyl]-5-oxomorpholine-3-carboxamide chemical structure, C18H22N4O3, CAS 1351581-60-6](/s/GBPFYIHZRURPBU-UHFFFAOYSA-N.svg)
4-Benzyl-N-[3-(1H-imidazol-1-yl)propyl]-5-oxomorpholine-3-carboxamide
CAS 1351581-60-6C18H22N4O3
N1-(2-(1-methyl-1,2,3,4-tetrahydroquinolin-6-yl)ethyl)-N2-(5-methylisoxazol-3-yl)oxalamide
CAS 946362-85-2C18H22N4O3
![2-[(2-Methylphenoxy)methyl]-5-(2-morpholin-4-ylethylamino)-1,3-oxazole-4-carbonitrile chemical structure, C18H22N4O3, CAS 606945-72-6](/s/TYSHPYKUYXODRJ-UHFFFAOYSA-N.svg)
2-[(2-Methylphenoxy)methyl]-5-(2-morpholin-4-ylethylamino)-1,3-oxazole-4-carbonitrile
CAS 606945-72-6C18H22N4O3
1-(1H-Indazol-3-yl)-5-oxo-N-(tetrahydro-2H-pyran-4-ylmethyl)-3-pyrrolidinecarboxamide
CAS 1435996-66-9C18H22N4O3
N-(3-Amino-4-(methylamino)benzoyl)-N-2-pyridinyl-beta-alanine ethyl ester
CAS 212322-56-0C18H22N4O3
Methyl 1-((3-(1H-imidazol-1-yl)propyl)carbamoyl)-3,4-dihydroisoquinoline-2(1H)-carboxylate
CAS 1396583-58-6C18H22N4O3
![N-(3-Methoxypropyl)-3-(8-methyl-4-oxo-4,5-dihydro-3H-pyrimido[5,4-b]indol-3-yl)propanamide chemical structure, C18H22N4O3, CAS 1105212-57-4](/s/SUJZUWPRISSOEB-UHFFFAOYSA-N.svg)
N-(3-Methoxypropyl)-3-(8-methyl-4-oxo-4,5-dihydro-3H-pyrimido[5,4-b]indol-3-yl)propanamide
CAS 1105212-57-4C18H22N4O3
N1-(2-methylquinolin-4-yl)-N2-(2-morpholinoethyl)oxalamide
CAS 941939-26-0C18H22N4O3
N1-((1-benzylpiperidin-4-yl)methyl)-N2-(isoxazol-3-yl)oxalamide
CAS 953138-64-2C18H22N4O3
N1-(5-methylisoxazol-3-yl)-N2-(4-(pyrrolidin-1-yl)phenethyl)oxalamide
CAS 953987-86-5C18H22N4O3
1-(4-(4-Methoxyphenyl)piperazin-1-yl)-2-((4-methylpyrimidin-2-yl)oxy)ethanone
CAS 1251635-37-6C18H22N4O3
- N-(4,6-Dimethyl-2-morpholinopyrimidin-5-yl)-2-phenoxyacetamide1448059-67-3C18H22N4O3
- (S,S)-Anacine154613-22-6C18H22N4O3
- 3,6-Dicyclopropyl-1-(2-(isopropylamino)-2-oxoethyl)-1H-pyrazolo[3,4-b]pyridine-4-carboxylic acid1018052-23-7C18H22N4O3
- N-Benzyl-N-methyl-2-[3-(morpholin-4-yl)-6-oxopyridazin-1(6H)-yl]acetamide1282102-79-7C18H22N4O3
- Methyl (2E)-3-(dimethylamino)-2-{(4Z)-4-[(dimethylamino)methylene]-5-oxo-1-phenyl-4,5-dihydro-1H-pyrazol-3-yl}acrylate1152430-03-9C18H22N4O3
- Ethyl 1,6-dihydro-6-oxo-2-(4-(phenylmethyl)-1-piperazinyl)-5-pyrimidinecarboxylate25693-44-1C18H22N4O3
- 1-(2-(Cyclopentylamino)-2-oxoethyl)-3-cyclopropyl-6-methyl-1H-pyrazolo[3,4-b]pyridine-4-carboxylic acid1018142-65-8C18H22N4O3
- 1-[2-(Cyclopentylamino)-2-oxoethyl]-6-cyclopropyl-3-methyl-1H-pyrazolo[3,4-b]pyridine-4-carboxylic acid1018142-06-7C18H22N4O3
- 1-Phenyl-3-[2-[2-(phenylcarbamoylamino)ethoxy]ethyl]urea149683-03-4C18H22N4O3
- 2-(2-((3-(2-Methoxyphenyl)-5-methylpyrazolo[1,5-a]pyrimidin-7-yl)amino)ethoxy)ethanol902013-36-9C18H22N4O3
- Ethyl 7-(4-hydroxyphenyl)-2-methyl-5-propyl-4,7-dihydro[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxylate896664-66-7C18H22N4O3
- 1 suppliers1H-Pyrrole-2,5-dione, 3-[4-(2,3-dihydro-2-oxo-1H-1,3-benzimidazol-1-yl)-1-piperidinyl]-1-ethyldihydro-725700-56-1C18H22N4O3
- N-Cyclohexyl-N~2~-[(4-oxoquinazolin-3(4H)-yl)acetyl]glycinamide899706-18-4C18H22N4O3
- Isobutyl 2-amino-1-(2-methoxyethyl)-1H-pyrrolo[2,3-b]quinoxaline-3-carboxylate839704-85-7C18H22N4O3
- Ethyl N-[3-(4-benzylpiperazino)-2-cyanoacryloyl]carbamate477853-55-7C18H22N4O3
- Ethyl 7-(3-methoxyphenyl)-5-propyl-4,7-dihydro[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxylate685849-06-3C18H22N4O3
- 7-(Furan-2-yl)-2-[4-(2-hydroxyethyl)piperazin-1-yl]-7,8-dihydroquinazolin-5(6H)-one886141-33-9C18H22N4O3
- 3-[2-(2,3-Dihydro-1H-indol-1-yl)-2-oxoethyl]-8-methyl-1,3,8-triazaspiro[4.5]decane-2,4-dione942006-08-8C18H22N4O3
- Methyl 3,6-dicyclopropyl-1-(2-(ethylamino)-2-oxoethyl)-1H-pyrazolo[3,4-b]pyridine-4-carboxylate1018142-34-1C18H22N4O3
- N-(2-Cyclohex-1-en-1-ylethyl)-2-[3-(3-methyl-1,2,4-oxadiazol-5-yl)-2-oxopyridin-1(2H)-yl]acetamide1396858-39-1C18H22N4O3
- 2-Methyl-7-[4-(3-methylbutoxy)phenyl]-4,7-dihydro[1,2,4]triazolo[1,5-a]pyrimidine-5-carboxylic acid1030453-51-0C18H22N4O3
- N-(3-Ethoxypropyl)-1,7-dimethyl-4-oxo-1,4-dihydropyrido[1,2-a]pyrrolo[2,3-d]pyrimidine-2-carboxamide900261-49-6C18H22N4O3
- Ethyl 7-(4-methoxyphenyl)-5-propyl-4,7-dihydro[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxylate727406-30-6C18H22N4O3
- 3-Hexyl-4-methyl-7-(1H-tetrazol-5-ylmethoxy)-2H-chromen-2-one861147-66-2C18H22N4O3
- Ethyl 7-(2-methoxyphenyl)-5-propyl-4,7-dihydro[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxylate727406-49-7C18H22N4O3
- 8-(2-(Indolin-1-yl)-2-oxoethyl)-3-methyl-1,3,8-triazaspiro[4.5]decane-2,4-dione941970-40-7C18H22N4O3
- 1 supplierstert-Butyl 4-(5-cyano-2-oxo-2,3-dihydro-1H-benzimidazol-1-yl)piperidine-1-carboxylate320407-71-4C18H22N4O3
- (E)-Ethyl 4-(3-(benzylamino)-2-cyano-3-oxoprop-1-en-1-yl)piperazine-1-carboxylate885179-66-8C18H22N4O3
- 2-Hydroxybutanedioic acid 1,4-bis(2-(phenylmethyl)hydrazide)17605-40-2C18H22N4O3
- 2-(3-Methyl-5-(morpholine-4-carbonyl)-1H-pyrazol-1-yl)-N-(p-tolyl)acetamide1172318-48-7C18H22N4O3
- 2-Phenoxy-N-(2-((6-(pyrrolidin-1-yl)pyrimidin-4-yl)oxy)ethyl)acetamide1203145-85-0C18H22N4O3
- N-(2-Methoxyphenyl)-2-((6-methyl-2-(pyrrolidin-1-yl)pyrimidin-4-yl)oxy)acetamide1031961-79-1C18H22N4O3
- N-(3-Methoxyphenyl)-2-{[6-methyl-2-(pyrrolidin-1-yl)pyrimidin-4-yl]oxy}acetamide1029763-45-8C18H22N4O3
- N-(4-Methoxyphenyl)-2-{[6-methyl-2-(pyrrolidin-1-yl)pyrimidin-4-yl]oxy}acetamide1030097-17-6C18H22N4O3
- N-(Benzo[d][1,3]dioxol-5-yl)-4-((2-methyl-1H-imidazol-1-yl)methyl)piperidine-1-carboxamide1396802-83-7C18H22N4O3
- 2,3-Dimethoxy-N-[6-(piperidin-1-yl)pyrimidin-4-yl]benzamide1421516-00-8C18H22N4O3
- N-(2-(2-(4-Methoxyphenyl)pyrrolidin-1-yl)ethyl)-6-oxo-1,6-dihydropyridazine-3-carboxamide1421477-33-9C18H22N4O3
- N-[(1r,4r)-4-(Pyridin-2-yloxy)cyclohexyl]-5H,6H,7H-pyrazolo[3,2-b][1,3]oxazine-2-carboxamide2034222-90-5C18H22N4O3
- 6-Ethoxy-N-((1r,4r)-4-(pyrimidin-2-yloxy)cyclohexyl)nicotinamide2034248-40-1C18H22N4O3
- 2-Oxo-N-[(1r,4r)-4-[(4,6-dimethylpyrimidin-2-yl)oxy]cyclohexyl]-1,2-dihydropyridine-3-carboxamide2034581-59-2C18H22N4O3
- N-(1,4-Dimethyl-6-oxo-4,5,6,7-tetrahydro-1H-pyrazolo[3,4-b]pyridin-3-yl)-4-isopropoxybenzamide1172441-39-2C18H22N4O3
- N-(1,4-Dimethyl-6-oxo-4,5,6,7-tetrahydro-1H-pyrazolo[3,4-b]pyridin-3-yl)-2-(4-ethoxyphenyl)acetamide1173049-36-9C18H22N4O3
- Brilliantphosphine-imino66922-73-4C18H22N4O3
- 2-(4-Ethoxyphenyl)-5-(2-morpholin-4-ylethylamino)-1,3-oxazole-4-carbonitrile613669-63-9C18H22N4O3
- N-(3,4-Dimethoxyphenyl)-4-pyridin-2-ylpiperazine-1-carboxamide701282-86-2C18H22N4O3
- N~1~-(2-furylmethyl)-4-oxo-4-[4-(2-pyridyl)piperazino]butanamide755007-91-1C18H22N4O3
- N-Ethyl-1-(3-methoxypropyl)-9-methyl-4-oxo-1,4-dihydropyrido[1,2-a]pyrrolo[2,3-d]pyrimidine-2-carboxamide900283-23-0C18H22N4O3
- N-Isopropyl-1-(3-methoxypropyl)-4-oxo-1,4-dihydropyrido[1,2-a]pyrrolo[2,3-d]pyrimidine-2-carboxamide900266-56-0C18H22N4O3
- 1-(1-Adamantyl)-3-[(E)-(2-nitrophenyl)methylideneamino]urea324062-47-7C18H22N4O3
- 2-[[2-[4-(Furan-2-ylmethyl)piperazin-1-yl]acetyl]amino]benzamide890290-82-1C18H22N4O3
- 6-Amino-1,3-dimethyl-5-[2-(3-phenyl-1-pyrrolidinyl)acetyl]-2,4(1H,3H)-pyrimidinedione336880-64-9C18H22N4O3
- N-(3,5-Dimethoxyphenyl)-4-(pyridin-2-yl)piperazine-1-carboxamide925082-03-7C18H22N4O3
- 5-Cyclopropyl-1-(4-methoxyphenyl)-N-(tetrahydrofuran-2-ylmethyl)-1H-1,2,3-triazole-4-carboxamide954830-26-3C18H22N4O3
- 8-Isopropoxy-1,3-dimethyl-7-(4-methylbenzyl)-1H-purine-2,6(3H,7H)-dione946270-42-4C18H22N4O3
- 1-[4-(4-Oxoquinazolin-3(4H)-yl)butanoyl]piperidine-4-carboxamide1190248-68-0C18H22N4O3
- N-{2-[(Furan-2-ylmethyl)amino]-2-oxoethyl}-4-phenylpiperazine-1-carboxamide1324062-37-4C18H22N4O3
- 4-(2-Allyloxybenzamido)-1-methyl-3-n-propyl-pyrazole-5-carboxamide139756-05-1C18H22N4O3
- 3-(3-Methoxy-1,2-oxazol-5-yl)-N-[2-(2-methylpropyl)-1H-benzimidazol-6-yl]propanamide1401565-67-0C18H22N4O3
- N-(2-Methoxyphenethyl)-6-morpholinopyridazine-3-carboxamide1396880-30-0C18H22N4O3
- 2-(3,4-Dimethoxyphenyl)-N-(6-(pyrrolidin-1-yl)pyrimidin-4-yl)acetamide1396765-56-2C18H22N4O3
- 3,5-Dimethoxy-N-{[2-(pyrrolidin-1-yl)pyrimidin-4-yl]methyl}benzamide1797974-42-5C18H22N4O3
- Furan-2-yl[4-(2,4,5,6,7,8-hexahydrocyclohepta[c]pyrazol-3-ylcarbonyl)piperazin-1-yl]methanone1574294-02-2C18H22N4O3
- N-[2-Methoxy-4-(pyrrolidin-1-yl)pyrimidin-5-yl]-2-(4-methoxyphenyl)acetamide1797815-67-8C18H22N4O3
- 1-(2,3-Dimethoxyphenyl)-3-[1-(pyridin-2-yl)pyrrolidin-3-yl]urea1795458-42-2C18H22N4O3
- 3-(3-((3-Cyclopropyl-1,2,4-oxadiazol-5-yl)methyl)piperidine-1-carbonyl)-1-methylpyridin-2(1H)-one1705213-33-7C18H22N4O3
- (3-((3-Cyclopropyl-1,2,4-oxadiazol-5-yl)methyl)piperidin-1-yl)(5-cyclopropylisoxazol-3-yl)methanone1705075-62-2C18H22N4O3
- 2-(Benzo[d][1,3]dioxol-5-yl)-N-(1-(5-methyl-1H-pyrazol-3-yl)piperidin-4-yl)acetamide2034201-38-0C18H22N4O3
- E3 Ligase Ligand-linker Conjugate 1572502189-47-9C18H22N4O3
- tert-Butyl 2-amino-1-(2-methoxyethyl)-1H-pyrrolo[2,3-b]quinoxaline-3-carboxylate840459-94-1C18H22N4O3
- Propyl 2-amino-1-(3-methoxypropyl)-1H-pyrrolo[2,3-b]quinoxaline-3-carboxylate844854-42-8C18H22N4O3
- sec-Butyl 2-amino-1-(2-methoxyethyl)-1H-pyrrolo[2,3-b]quinoxaline-3-carboxylate845801-54-9C18H22N4O3
- 1-(3-Methoxypropyl)-N,N,9-trimethyl-4-oxo-1,4-dihydropyrido[1,2-a]pyrrolo[2,3-d]pyrimidine-2-carboxamide900899-24-3C18H22N4O3
- 5,6-Bis(phenylhydrazinylidene)hexane-2,3,4-triol6035-61-6C18H22N4O3
- (4-(6-Ethoxypyridazin-3-yl)piperazin-1-yl)(3-methoxyphenyl)methanone953153-75-8C18H22N4O3
- 1-[(1-Ethyl-7-methyl-4-oxo-1,4-dihydro-1,8-naphthyridin-3-yl)carbonyl]piperidine-4-carboxamide438575-29-2C18H22N4O3
- N-Cyclopentyl-N'-{2-[(1H-indol-2-ylcarbonyl)amino]ethyl}ethanediamide1081114-45-5C18H22N4O3
Frequently asked questions
What is the molar mass of C18H22N4O3?
The molar mass of C18H22N4O3 is 342.40 g/mol, calculated from standard atomic weights for 18 carbon atoms, 22 hydrogen atoms, 4 nitrogen atoms and 3 oxygen atoms. The monoisotopic mass is 342.1692 Da.
How many compounds have the formula C18H22N4O3?
CompoundList lists 341 compounds with the molecular formula C18H22N4O3, including 1',3,3'-Trimethyl-2,3,4,4a-tetrahydro-1H,2'H,6H-spiro[pyrazino[1,2-a]quinoline-5,5'-pyrimidine]-2',4',6'(1'H,3'H)-trione, N-(1-Butyl-6-methoxypyrazolo[3,4-b]quinolin-3-yl)-2-methoxyacetamide, Ethyl 5-(2,6-dimethylmorpholino)-3-phenyl-1,2,4-triazine-6-carboxylate. 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 C18H22N4O3?
C18H22N4O3 has a degree of unsaturation of 10. 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.