Molecular formula
C18H19N5O
213 compounds have this formula on CompoundList.
- Molar mass
- 321.38g/mol
- Monoisotopic mass
- 321.1590Da
- Atoms
- 43
- Elements
- 4
- Rings plus double bonds
- 12
The formula C18H19N5O describes a molecule made of 18 carbon atoms, 19 hydrogen atoms, 5 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 × 1867.27%12.011 × 18 = 216.198 g/mol
- H Hydrogen × 195.96%1.008 × 19 = 19.152 g/mol
- N Nitrogen × 521.79%14.007 × 5 = 70.035 g/mol
- O Oxygen × 14.98%15.999 × 1 = 15.999 g/mol
Look up another formula
Compounds with the formula C18H19N5O
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 100 of 213 compounds
Luciferase
CAS 61970-08-9C18H19N5O
![N-[5-(2-Phenylethyl)-1,3,5-triazinan-2-ylidene]-1,3-benzoxazol-2-amine chemical structure, C18H19N5O, CAS 673490-60-3](/s/DWOFIMUFCYMGPZ-UHFFFAOYSA-N.svg)
N-[5-(2-Phenylethyl)-1,3,5-triazinan-2-ylidene]-1,3-benzoxazol-2-amine
CAS 673490-60-3C18H19N5O
5-Amino-1-(3,5-dimethylphenyl)-N-(phenylmethyl)-4-triazolecarboxamide
CAS 443111-59-9C18H19N5O
Gdc-0425
CAS 1627539-18-7C18H19N5O
N-(2-Cyanophenyl)-4-(2-pyridinyl)-1-piperazineacetamide
CAS 329779-50-2C18H19N5O
![1-[2-[(6-Ethyl-4-methylquinazolin-2-yl)amino]-4-methylpyrimidin-5-yl]ethanone chemical structure, C18H19N5O, CAS 669718-62-1](/s/DDCFLVDGBLZPSP-UHFFFAOYSA-N.svg)
1-[2-[(6-Ethyl-4-methylquinazolin-2-yl)amino]-4-methylpyrimidin-5-yl]ethanone
CAS 669718-62-1C18H19N5O
![5-Acetyl-2-[(4,6-dimethylquinazolin-2-yl)amino]-4,6-dimethylpyrimidine chemical structure, C18H19N5O, CAS 669760-75-2](/s/BDXCMCZTMDOVNK-UHFFFAOYSA-N.svg)
5-Acetyl-2-[(4,6-dimethylquinazolin-2-yl)amino]-4,6-dimethylpyrimidine
CAS 669760-75-2C18H19N5O
(1-Methylbenzotriazol-5-yl)-(4-phenylpiperazin-1-yl)methanone
CAS 695172-67-9C18H19N5O
N-(2,6-Diethylphenyl)-6-(1H-1,2,4-triazol-1-yl)nicotinamide
CAS 672951-16-5C18H19N5O
![4-tert-Butyl-N-[3-(1H-tetrazol-1-yl)phenyl]benzamide chemical structure, C18H19N5O, CAS 883294-03-9](/s/FFXOETPOXOYRHY-UHFFFAOYSA-N.svg)
4-tert-Butyl-N-[3-(1H-tetrazol-1-yl)phenyl]benzamide
CAS 883294-03-9C18H19N5O
5-Amino-1-benzyl-N-(3,4-dimethylphenyl)-1H-1,2,3-triazole-4-carboxamide
CAS 405279-24-5C18H19N5O
![1-[4-Methyl-2-[(4,6,7-trimethylquinazolin-2-yl)amino]pyrimidin-5-yl]ethanone chemical structure, C18H19N5O, CAS 669752-25-4](/s/GGOBEHBONSQGEV-UHFFFAOYSA-N.svg)
1-[4-Methyl-2-[(4,6,7-trimethylquinazolin-2-yl)amino]pyrimidin-5-yl]ethanone
CAS 669752-25-4C18H19N5O
4-((2-(Dimethylamino)PH)diazenyl)-5-methyl-2-phenyl-2,4-dihydro-3H-pyrazol-3-one
CAS 93871-83-1C18H19N5O
2,2-Diphenyl-N-(2-propyl-2H-tetrazol-5-yl)acetamide
CAS 391881-07-5C18H19N5O
N-(4-Cyanophenyl)-2-(4-pyridin-2-ylpiperazin-1-yl)acetamide
CAS 746619-39-6C18H19N5O
N-(2-Butan-2-ylphenyl)-3-(tetrazol-1-yl)benzamide
CAS 924379-30-6C18H19N5O
![3-((3R,4R)-3-(Dipyrrolo[2,3-b:2',3'-d]pyridin-1(6H)-yl)-4-methylpiperidin-1-yl)-3-oxopropanenitrile chemical structure, C18H19N5O, CAS 1251906-10-1](/s/UQVAOELSLJXOMB-DOMZBBRYSA-N.svg)
3-((3R,4R)-3-(Dipyrrolo[2,3-b:2',3'-d]pyridin-1(6H)-yl)-4-methylpiperidin-1-yl)-3-oxopropanenitrile
CAS 1251906-10-1C18H19N5O
3-(1H-1,2,3-Benzotriazol-1-yl)-N'-(1-(4-methylphenyl)ethylidene)propanohydrazide
CAS 478653-67-7C18H19N5O
AChE-IN-63
CAS 876685-78-8C18H19N5O
![1,5-Dimethyl-N-(2-phenyl-2,4,5,6-tetrahydrocyclopenta[c]pyrazol-3-yl)-1H-pyrazole-3-carboxamide chemical structure, C18H19N5O, CAS 1170404-28-0](/s/DUXZYWCUOBHNIG-UHFFFAOYSA-N.svg)
1,5-Dimethyl-N-(2-phenyl-2,4,5,6-tetrahydrocyclopenta[c]pyrazol-3-yl)-1H-pyrazole-3-carboxamide
CAS 1170404-28-0C18H19N5O
![N-(2,3-Dimethylphenyl)-2-[5-(2-methylphenyl)tetrazol-2-yl]acetamide chemical structure, C18H19N5O, CAS 354125-06-7](/s/FWRLENYQOFSWKA-UHFFFAOYSA-N.svg)
N-(2,3-Dimethylphenyl)-2-[5-(2-methylphenyl)tetrazol-2-yl]acetamide
CAS 354125-06-7C18H19N5O
![6-Amino-10-methyl-3-phenylspiro[4H-pyrano[2,3-c]pyrazole-4,4'-piperidine]-5-ca rbonitrile chemical structure, C18H19N5O, CAS 309926-97-4](/s/PGDSODGBFAJGBV-UHFFFAOYSA-N.svg)
6-Amino-10-methyl-3-phenylspiro[4H-pyrano[2,3-c]pyrazole-4,4'-piperidine]-5-ca rbonitrile
CAS 309926-97-4C18H19N5O
5-Amino-1-(3-methylphenyl)-N-(2-phenylethyl)-1H-1,2,3-triazole-4-carboxamide
CAS 443110-75-6C18H19N5O
Piperazine, 1-(3-amino-2-pyridinyl)-4-(1H-indol-2-ylcarbonyl)-
CAS 136818-09-2C18H19N5O
- Acji-99C1135195-64-0C18H19N5O
- 6-Cyclopropyl-1-(propan-2-yl)-N-(pyridin-2-yl)-1H-pyrazolo[3,4-b]pyridine-4-carboxamide1282113-13-6C18H19N5O
- 2-(1H-Indol-1-yl)-N-(6-(pyrrolidin-1-yl)pyrimidin-4-yl)acetamide1396760-86-3C18H19N5O
- 1-{4-Methyl-2-[(4,6,8-trimethylquinazolin-2-yl)amino]pyrimidin-5-yl}ethanone925645-95-0C18H19N5O
- 2-[(4,8-Dimethylquinazolin-2-yl)amino]-5,6,7,8-tetrahydroquinazolin-4(1H)-one524055-94-5C18H19N5O
- 5-Amino-1-(2-methylbenzyl)-N-(3-methylphenyl)-1H-1,2,3-triazole-4-carboxamide899981-91-0C18H19N5O
- 3-Amino-6-((dibenzylamino)methyl)-1,2,4-triazin-5(2H)-one93206-03-2C18H19N5O
- (E)-2-(1H-Benzo[d]imidazol-2-yl)-N'-(4-(dimethylamino)benzylidene)acetohydrazide19731-23-8C18H19N5O
- 5-Amino-1-(4-methylbenzyl)-N-(3-methylphenyl)-1H-1,2,3-triazole-4-carboxamide923680-88-0C18H19N5O
- 2-(1H-Indol-1-yl)-1-(4-(pyrimidin-2-yl)piperazin-1-yl)ethanone1207050-66-5C18H19N5O
- 2-(1H-Benzo[d]imidazol-1-yl)-1-(4-(pyridin-2-yl)piperazin-1-yl)ethanone1203095-37-7C18H19N5O
- 5-(4-Methoxyphenyl)-7-phenyl-4,5,6,7-tetrahydro[1,2,4]triazolo[1,5-a]pyrimidin-6-amine1217728-23-8C18H19N5O
- 7-(4-Methoxyphenyl)-5-phenyl-4,5,6,7-tetrahydro[1,2,4]triazolo[1,5-a]pyrimidin-6-amine1365962-77-1C18H19N5O
- 3-(3-Methylphenyl)-N-(4-methylphenyl)-2-(2H-tetrazol-5-yl)propanamide483993-83-5C18H19N5O
- 2-Imino-10-methyl-5-oxo-1-pentyl-1,5-dihydro-2H-dipyrido[1,2-a:2,3-d]pyrimidine-3-carbonitrile848683-53-4C18H19N5O
- 5-Amino-1-benzyl-N-(2,4-dimethylphenyl)-1H-1,2,3-triazole-4-carboxamide899749-88-3C18H19N5O
- 5-Amino-N-benzyl-1-(4-methylbenzyl)-1H-1,2,3-triazole-4-carboxamide931358-57-5C18H19N5O
- 5-Amino-N-benzyl-1-(2-methylbenzyl)-1H-1,2,3-triazole-4-carboxamide931313-12-1C18H19N5O
- N-(2-Methylphenyl)-3-(3-methylphenyl)-2-(2H-tetrazol-5-yl)propanamide483993-85-7C18H19N5O
- 1-(4-Ethylphenyl)-5-methyl-N-(pyridin-3-ylmethyl)-1H-1,2,3-triazole-4-carboxamide950255-36-4C18H19N5O
- 1-(2,4-Dimethylphenyl)-5-methyl-N-(pyridin-3-ylmethyl)-1H-1,2,3-triazole-4-carboxamide950242-94-1C18H19N5O
- 1-(3,5-Dimethylphenyl)-5-methyl-N-(pyridin-3-ylmethyl)-1H-1,2,3-triazole-4-carboxamide950244-30-1C18H19N5O
- 5-Amino-N-(2,5-dimethylphenyl)-1-(2-methylphenyl)-1H-1,2,3-triazole-4-carboxamide951893-90-6C18H19N5O
- 5-Amino-N-benzyl-1-(3-methylbenzyl)-1H-1,2,3-triazole-4-carboxamide902470-17-1C18H19N5O
- 5-Amino-N-(2,4-dimethylphenyl)-1-(2-methylphenyl)-1H-1,2,3-triazole-4-carboxamide1032228-69-5C18H19N5O
- N-(2-{[2-Methyl-6-(1H-pyrrol-1-yl)pyrimidin-4-yl]amino}ethyl)benzamide1421505-27-2C18H19N5O
- 1-(6-(1H-Imidazol-1-yl)pyridin-3-yl)-3-(3-phenylpropyl)urea1421500-39-1C18H19N5O
- N-(6-(3,5-Dimethyl-1H-pyrazol-1-yl)pyrimidin-4-yl)-2-(o-tolyl)acetamide1428359-21-0C18H19N5O
- N-[(1-Methyl-4,5,6,7-tetrahydro-1H-indazol-3-yl)methyl]quinoxaline-2-carboxamide1448036-35-8C18H19N5O
- 5-Acetyl-2-[(4,7-dimethylquinazolin-2-yl)amino]-4,6-dimethylpyrimidine669718-66-5C18H19N5O
- N,3-bis(3-methylphenyl)-2-(1H-tetrazol-5-yl)propanamide483993-84-6C18H19N5O
- 1-(3,4-Dihydro-1H-isoquinolin-2-yl)-2-(5,7-dimethyl-[1,2,4]triazolo[1,5-a]pyrimidin-2-yl)ethanone879052-84-3C18H19N5O
- N-(4-Butylphenyl)-4-(1H-tetrazol-1-yl)benzamide924829-04-9C18H19N5O
- 5-Amino-N-benzyl-1-(2,5-dimethylphenyl)-1H-1,2,3-triazole-4-carboxamide953849-82-6C18H19N5O
- 6-Cyclopropyl-1-(propan-2-yl)-N-(pyridin-3-yl)-1H-pyrazolo[3,4-b]pyridine-4-carboxamide931087-72-8C18H19N5O
- 5-Amino-N-(2,3-dimethylphenyl)-1-(2-methylphenyl)-1H-1,2,3-triazole-4-carboxamide1032226-90-6C18H19N5O
- 5-Amino-N-(4-ethylphenyl)-1-(2-methylphenyl)-1H-1,2,3-triazole-4-carboxamide1032228-79-7C18H19N5O
- 5-Amino-N-(3,4-dimethylphenyl)-1-(2-methylphenyl)-1H-1,2,3-triazole-4-carboxamide1032226-38-2C18H19N5O
- 4-Cyano-N-((1-(pyrimidin-2-yl)piperidin-4-yl)methyl)benzamide1235022-88-4C18H19N5O
- N-(Pyridin-3-ylmethyl)-6-(3,4,5-trimethyl-1H-pyrazol-1-yl)nicotinamide1286702-92-8C18H19N5O
- 3-(2-Pyrimidinylamino)-1-(1,3,4,9-tetrahydro-2H-beta-carbolin-2-yl)-1-propanone1435989-67-5C18H19N5O
- N-[2-(3,5-Dimethyl-1H-pyrazol-1-yl)pyrimidin-5-yl]-2,5-dimethylbenzamide1421483-26-2C18H19N5O
- 2-(1H-Benzo[d]imidazol-1-yl)-N-(1-(pyridin-2-yl)pyrrolidin-3-yl)acetamide1798485-33-2C18H19N5O
- N-4-Piperidinyl-5-(3-pyridinyl)-1H-indazole-3-carboxamide1809615-01-7C18H19N5O
- N-Cyclopropyl-4-methyl-3-(1'-methyl[1,4'-bi-1H-pyrazol]-4-yl)benzamide2205041-27-4C18H19N5O
- 4-(4-{2-[Methyl(2-pyridinyl)amino]ethoxy}phenyl)-2-pyrimidinamine478046-37-6C18H19N5O
- N-(3-([1,2,4]Triazolo[4,3-b]pyridazin-6-yl)phenyl)cyclohexanecarboxamide877635-21-7C18H19N5O
- N-(2-Ethyl-6-methylphenyl)-2-(5-phenyltetrazol-2-yl)acetamide937927-53-2C18H19N5O
- 2-(5-Phenyltetrazol-2-yl)-N-(4-propan-2-ylphenyl)acetamide937927-65-6C18H19N5O
- 5-Amino-1-(4-methylphenyl)-N-(2-phenylethyl)-1H-1,2,3-triazole-4-carboxamide929824-34-0C18H19N5O
- 5-Amino-1-(4-methylbenzyl)-N-(p-tolyl)-1H-1,2,3-triazole-4-carboxamide900013-41-4C18H19N5O
- 5-Amino-N-(2,5-dimethylphenyl)-1-(4-methylphenyl)-1H-1,2,3-triazole-4-carboxamide951900-23-5C18H19N5O
- 1-(3,4-Dimethylphenyl)-5-methyl-N-(pyridin-3-ylmethyl)-1H-1,2,3-triazole-4-carboxamide950255-70-6C18H19N5O
- 5-Amino-N-(3,4-dimethylphenyl)-1-(4-methylphenyl)-1H-1,2,3-triazole-4-carboxamide951903-07-4C18H19N5O
- 6-Cyclopropyl-1-(propan-2-yl)-N-(pyridin-4-yl)-1H-pyrazolo[3,4-b]pyridine-4-carboxamide949304-74-9C18H19N5O
- 5-Amino-N-(4-ethylphenyl)-1-(4-methylphenyl)-1H-1,2,3-triazole-4-carboxamide899949-80-5C18H19N5O
- 1-(4-Ethylphenyl)-5-methyl-N-(pyridin-2-ylmethyl)-1H-1,2,3-triazole-4-carboxamide950235-90-2C18H19N5O
- 1-(3,4-Dimethylphenyl)-5-methyl-N-(pyridin-2-ylmethyl)-1H-1,2,3-triazole-4-carboxamide950228-17-8C18H19N5O
- 1-(2,4-Dimethylphenyl)-5-methyl-N-(pyridin-2-ylmethyl)-1H-1,2,3-triazole-4-carboxamide950231-61-5C18H19N5O
- 5-Amino-N-(2,3-dimethylphenyl)-1-(4-methylphenyl)-1H-1,2,3-triazole-4-carboxamide1032229-84-7C18H19N5O
- 5-Amino-N-(2,3-dimethylphenyl)-1-(3-methylphenyl)-1H-1,2,3-triazole-4-carboxamide1032227-21-6C18H19N5O
- N-((2-Morpholinopyridin-4-yl)methyl)quinoxalin-2-amine1935742-34-9C18H19N5O
- 1-(Propan-2-yl)-N-(pyridin-2-yl)-1,5,6,7-tetrahydrocyclopenta[b]pyrazolo[4,3-e]pyridine-4-carboxamide1179405-00-5C18H19N5O
- 5-[(3,4-Dimethylphenyl)amino]-N-(3-methylphenyl)-1H-1,2,3-triazole-4-carboxamide1207039-61-9C18H19N5O
- n-Isopropyl-3-(4-(pyridin-2-ylamino)phenoxy)pyrazin-2-amine1231921-61-1C18H19N5O
- 3-Cyano-N-{[1-(pyrimidin-2-yl)piperidin-4-yl]methyl}benzamide1235394-94-1C18H19N5O
- 4-(2-{4-[4-(2H-Tetrazol-5-yl)butoxy]phenyl}ethenyl)pyridine143320-69-8C18H19N5O
- N-(2-(3,5-Dimethyl-1H-pyrazol-1-yl)pyrimidin-5-yl)-3-phenylpropanamide1396889-23-8C18H19N5O
- 1-(2-(5-Methyl-3-(pyridin-4-yl)-1H-pyrazol-1-yl)ethyl)-3-phenylurea2034505-64-9C18H19N5O
- 4-Cyclopropyl-2-(4-morpholinyl)-8-(1H-pyrazol-3-yl)-1,7-naphthyridine1876466-78-2C18H19N5O
- (3-(4-Cyclopropyl-1H-1,2,3-triazol-1-yl)pyrrolidin-1-yl)(1H-indol-2-yl)methanone2034612-83-2C18H19N5O
- (3-(4-Cyclopropyl-1H-1,2,3-triazol-1-yl)pyrrolidin-1-yl)(1H-indol-3-yl)methanone2034553-95-0C18H19N5O
- (3-(1-Methyl-1H-pyrazol-3-yl)piperidin-1-yl)(quinoxalin-2-yl)methanone2034288-12-3C18H19N5O
- 2-(1-Methyl-1H-indol-3-yl)-1-(3-(pyrimidin-2-ylamino)azetidin-1-yl)ethanone2176269-76-2C18H19N5O
- 2-({1-[4-(1H-Pyrrol-1-yl)benzoyl]pyrrolidin-2-yl}methyl)-2H-1,2,3-triazole2097867-43-9C18H19N5O
- (E)-4-(4-((1-Methyl-1H-benzo[d]imidazol-2-yl)diazenyl)phenyl)morpholine326900-57-6C18H19N5O
Frequently asked questions
What is the molar mass of C18H19N5O?
The molar mass of C18H19N5O is 321.38 g/mol, calculated from standard atomic weights for 18 carbon atoms, 19 hydrogen atoms, 5 nitrogen atoms and 1 oxygen atom. The monoisotopic mass is 321.1590 Da.
How many compounds have the formula C18H19N5O?
CompoundList lists 213 compounds with the molecular formula C18H19N5O, including Luciferase, N-[5-(2-Phenylethyl)-1,3,5-triazinan-2-ylidene]-1,3-benzoxazol-2-amine, 5-Amino-1-(3,5-dimethylphenyl)-N-(phenylmethyl)-4-triazolecarboxamide. 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 C18H19N5O?
C18H19N5O 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.