Molecular formula
C18H19N5
58 compounds have this formula on CompoundList.
- Molar mass
- 305.38g/mol
- Monoisotopic mass
- 305.1640Da
- Atoms
- 42
- Elements
- 3
- Rings plus double bonds
- 12
The formula C18H19N5 describes a molecule made of 18 carbon atoms, 19 hydrogen atoms and 5 nitrogen 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 × 1870.80%12.011 × 18 = 216.198 g/mol
- H Hydrogen × 196.27%1.008 × 19 = 19.152 g/mol
- N Nitrogen × 522.93%14.007 × 5 = 70.035 g/mol
Look up another formula
Compounds with the formula C18H19N5
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 58 of 58 compounds
1-Methyl-N-(1-propylbenzimidazol-2-yl)benzimidazol-2-amine
CAS 831194-16-2C18H19N5
4-(4-Methylpiperazin-1-yl)-2-pyridin-4-ylquinazoline
CAS 332850-32-5C18H19N5
![N-[(E)-(5-Imino-3-methyl-1-phenylpyrazol-4-ylidene)amino]-2,3-dimethylaniline chemical structure, C18H19N5, CAS 1164558-40-0](/s/PJMWKABOWUBKAB-UHFFFAOYSA-N.svg)
N-[(E)-(5-Imino-3-methyl-1-phenylpyrazol-4-ylidene)amino]-2,3-dimethylaniline
CAS 1164558-40-0C18H19N5
![1-Ethyl-N-[(1-methylbenzimidazol-2-yl)methyl]benzimidazol-5-amine chemical structure, C18H19N5, CAS 831238-55-2](/s/AFAYRZODNQXEMT-UHFFFAOYSA-N.svg)
1-Ethyl-N-[(1-methylbenzimidazol-2-yl)methyl]benzimidazol-5-amine
CAS 831238-55-2C18H19N5
![4-[4-(Propan-2-yl)phenyl]-4,10-dihydro[1,3,5]triazino[1,2-a]benzimidazol-2-amine chemical structure, C18H19N5, CAS 326021-75-4](/s/XCYOZUJPOYDGRL-UHFFFAOYSA-N.svg)
4-[4-(Propan-2-yl)phenyl]-4,10-dihydro[1,3,5]triazino[1,2-a]benzimidazol-2-amine
CAS 326021-75-4C18H19N5
![6-({Bis[(pyridin-2-yl)methyl]amino}methyl)pyridin-2-amine chemical structure, C18H19N5, CAS 639009-04-4](/s/QOCRBMGSQCAOTA-UHFFFAOYSA-N.svg)
6-({Bis[(pyridin-2-yl)methyl]amino}methyl)pyridin-2-amine
CAS 639009-04-4C18H19N5
N2-Isopropyl-N4,6-diphenyl-1,3,5-triazine-2,4-diamine
CAS 1446506-78-0C18H19N5
FLT3-IN-5e
CAS 2093038-25-4C18H19N5
5-(4'-(N-Piperidinyl)phenylazo)indazole
CAS 122168-72-3C18H19N5
1-(2-(3,5-Dimethyl-1H-pyrazol-1-yl)-6-methylpyrimidin-4-yl)indoline
CAS 904827-83-4C18H19N5
![3-Methyl-1-(4-methylpiperazin-1-yl)pyrido[1,2-a]benzimidazole-4-carbonitrile chemical structure, C18H19N5, CAS 5849-30-9](/s/VNYWJJHYUBPQIA-UHFFFAOYSA-N.svg)
3-Methyl-1-(4-methylpiperazin-1-yl)pyrido[1,2-a]benzimidazole-4-carbonitrile
CAS 5849-30-9C18H19N5
![1-(3-Pyridin-4-yl-[2,6]naphthyridin-1-yl)piperidin-3-ylamine chemical structure, C18H19N5, CAS 1071016-46-0](/s/KHGDEZDNICAMOO-UHFFFAOYSA-N.svg)
1-(3-Pyridin-4-yl-[2,6]naphthyridin-1-yl)piperidin-3-ylamine
CAS 1071016-46-0C18H19N5
![4-Amino-1',3',3'-trimethylspiro[1,3-dihydropyrrolo[3,2-c]pyridine-2,2'-indole]-7-carbonitrile chemical structure, C18H19N5, CAS 63827-47-4](/s/ZELSBLUILZTHFW-UHFFFAOYSA-N.svg)
4-Amino-1',3',3'-trimethylspiro[1,3-dihydropyrrolo[3,2-c]pyridine-2,2'-indole]-7-carbonitrile
CAS 63827-47-4C18H19N5
![1H-1,2,3-Triazole, 5-(1,1-dimethylethyl)-1-[4-(2-phenyldiazenyl)phenyl]- chemical structure, C18H19N5, CAS 301330-54-1](/s/WXNFMBNQTAASGJ-UHFFFAOYSA-N.svg)
1H-1,2,3-Triazole, 5-(1,1-dimethylethyl)-1-[4-(2-phenyldiazenyl)phenyl]-
CAS 301330-54-1C18H19N5
N2-(4-aminophenyl)-6-methyl-N4-(p-tolyl)pyrimidine-2,4-diamine
CAS 1706447-28-0C18H19N5
N4-(4-aminophenyl)-2-methyl-N6-(p-tolyl)pyrimidine-4,6-diamine
CAS 1706428-07-0C18H19N5
N4-(4-aminophenyl)-6-methyl-N2-(p-tolyl)pyrimidine-2,4-diamine
CAS 1706454-65-0C18H19N5
Valsartan impurity 23
CAS 2459446-44-5C18H19N5
![12-Amino-2,2,9-trimethyl-9,13,17-triazatetracyclo[8.7.0.03,8.011,16]heptadeca-3,5,7,11(16),12,14-hexaene-15-carbonitrile chemical structure, C18H19N5, CAS 63827-49-6](/s/MCFDLOLLSOTBLB-UHFFFAOYSA-N.svg)
12-Amino-2,2,9-trimethyl-9,13,17-triazatetracyclo[8.7.0.03,8.011,16]heptadeca-3,5,7,11(16),12,14-hexaene-15-carbonitrile
CAS 63827-49-6C18H19N5
7-Quinazolinamine, 2-methyl-N-3-pyridinyl-4-(1-pyrrolidinyl)-
CAS 646450-86-4C18H19N5
4-N-Cyclopentyl-2-N-pyridin-4-ylquinazoline-2,4-diamine
CAS 1225170-16-0C18H19N5
![4-(1-(1-Cyclopentylbut-3-yn-1-yl)-1H-pyrazol-4-yl)-7H-pyrrolo[2,3-d]pyrimidine chemical structure, C18H19N5, CAS 941684-77-1](/s/KNSMJCLAGHJHGW-UHFFFAOYSA-N.svg)
4-(1-(1-Cyclopentylbut-3-yn-1-yl)-1H-pyrazol-4-yl)-7H-pyrrolo[2,3-d]pyrimidine
CAS 941684-77-1C18H19N5
6-(2-Methyl-1H-imidazol-1-yl)-N-(1,2,3,4-tetrahydronaphthalen-1-yl)pyrimidin-4-amine
CAS 2549000-15-7C18H19N5
![2-[3-(3,5-Dimethyl-1H-pyrazol-1-yl)pyrazin-2-yl]-1,2,3,4-tetrahydroisoquinoline chemical structure, C18H19N5, CAS 2549049-56-9](/s/CHGNAFQZPDRIAV-UHFFFAOYSA-N.svg)
2-[3-(3,5-Dimethyl-1H-pyrazol-1-yl)pyrazin-2-yl]-1,2,3,4-tetrahydroisoquinoline
CAS 2549049-56-9C18H19N5
- 6-(4-Methyl-1H-pyrazol-1-yl)-N-(1,2,3,4-tetrahydronaphthalen-1-yl)pyrimidin-4-amine2640946-93-4C18H19N5
- 9-Cyclopropyl-N-(1,2,3,4-tetrahydronaphthalen-1-yl)-9H-purin-6-amine2640866-46-0C18H19N5
- 3-Methyl-1-(4-methylphenyl)-4-[2-(2-methylphenyl)hydrazin-1-ylidene]-4,5-dihydro-1H-pyrazol-5-imine746617-49-2C18H19N5
- N,N-Dimethyl-4-[2-[1-(4-methylphenyl)-1H-pyrazol-3-yl]diazenyl]benzenamine75581-19-0C18H19N5
- 2-{1-Methyl-1H-pyrazolo[3,4-d]pyrimidin-4-yl}-6-phenyl-2-azaspiro[3.3]heptane2380062-49-5C18H19N5
- 9-Methyl-6-{6-phenyl-2-azaspiro[3.3]heptan-2-yl}-9H-purine2379983-96-5C18H19N5
- 2-{3-Methyl-[1,2,4]triazolo[4,3-a]pyrazin-8-yl}-6-phenyl-2-azaspiro[3.3]heptane2379984-53-7C18H19N5
- 2-Cyclopropyl-1-[1-(6-methylpyrazin-2-yl)azetidin-3-yl]-1H-1,3-benzodiazole2380079-62-7C18H19N5
- 2-Cyclopropyl-1-[1-(4-methylpyrimidin-2-yl)azetidin-3-yl]-1H-1,3-benzodiazole2380172-15-4C18H19N5
- 1-[1-(2-Cyclopropylpyrimidin-4-yl)azetidin-3-yl]-2-methyl-1H-1,3-benzodiazole2380079-59-2C18H19N5
- 1-[1-(6-Cyclopropylpyrimidin-4-yl)azetidin-3-yl]-2-methyl-1H-1,3-benzodiazole2380080-34-0C18H19N5
- 1-[1-(2-Cyclopropyl-6-methylpyrimidin-4-yl)azetidin-3-yl]-1H-1,3-benzodiazole2380167-12-2C18H19N5
- 1-[1-(6-Cyclobutylpyrimidin-4-yl)azetidin-3-yl]-1H-1,3-benzodiazole2380088-41-3C18H19N5
- 2-(4-Phenyl-1H-1,2,3-triazol-1-yl)-6-(piperidin-1-yl)pyridine2415603-36-8C18H19N5
- (R)-3-(4-(1H-Pyrrolo[2,3-b]pyridin-4-yl)-1H-pyrazol-1-yl)-3-cyclopentylpropanenitrile941685-30-9C18H19N5
- 4,4'-[(Pyridin-3-yl)methylene]di(benzene-1,3-diamine)91920-82-0C18H19N5
- 1-(Benzylamino)-2-hydrazono-4-(p-tolyl)pyrimidine127252-16-8C18H19N5
- 4-[4-(6-Methylpyridazin-3-yl)piperazin-1-yl]quinoline2380174-44-5C18H19N5
- 1-[4-(6-Methylpyrimidin-4-yl)piperazin-1-yl]isoquinoline2380170-11-4C18H19N5
- 4-[4-(6-Methylpyrimidin-4-yl)piperazin-1-yl]quinoline2380171-58-2C18H19N5
- 5,7-Dimethyl-N-[1-(pyridin-2-yl)azetidin-3-yl]-1,8-naphthyridin-2-amine2549027-86-1C18H19N5
- 4-[4-(5-Methylpyrimidin-4-yl)piperazin-1-yl]quinoline2741922-57-4C18H19N5
- 2-Cyclopropyl-1-[1-(6-methylpyrimidin-4-yl)azetidin-3-yl]-1H-1,3-benzodiazole2415553-22-7C18H19N5
- 2-Cyclopropyl-1-[1-(2-methylpyrimidin-4-yl)azetidin-3-yl]-1H-1,3-benzodiazole2415520-50-0C18H19N5
- 1-(9-Cyclopropyl-9H-purin-6-yl)-6-methyl-1,2,3,4-tetrahydroquinoline2742034-11-1C18H19N5
- 1-(3-Methylphenyl)-4-{pyrido[3,4-d]pyrimidin-4-yl}piperazine2329350-19-6C18H19N5
- 2-{3-[Cyclopropyl(pyrimidin-4-yl)amino]pyrrolidin-1-yl}benzonitrile3054406-05-9C18H19N5
- 4-{[3-(2-Methylpyrimidin-4-yl)-3,6-diazabicyclo[3.1.1]heptan-6-yl]methyl}benzonitrile3054633-10-9C18H19N5
- 4-{3-[Cyclopropyl(pyrimidin-4-yl)amino]pyrrolidin-1-yl}benzonitrile3054578-22-9C18H19N5
- N-{1-[(Quinolin-4-yl)methyl]pyrrolidin-3-yl}pyrimidin-4-amine3054558-10-7C18H19N5
- 4-{[3-(4-Methylpyrimidin-2-yl)-3,6-diazabicyclo[3.1.1]heptan-6-yl]methyl}benzonitrile3054586-92-1C18H19N5
- 3-{[3-(4-Methylpyrimidin-2-yl)-3,6-diazabicyclo[3.1.1]heptan-6-yl]methyl}benzonitrile3054551-33-3C18H19N5
- N'-[[2-Amino-5-(4-methylimidazol-1-yl)phenyl]methyl]benzenecarboximidamide1201902-30-8C18H19N5
- N'-[[2-Amino-5-(2-methylimidazol-1-yl)phenyl]methyl]benzenecarboximidamide1201902-26-2C18H19N5
Frequently asked questions
What is the molar mass of C18H19N5?
The molar mass of C18H19N5 is 305.38 g/mol, calculated from standard atomic weights for 18 carbon atoms, 19 hydrogen atoms and 5 nitrogen atoms. The monoisotopic mass is 305.1640 Da.
How many compounds have the formula C18H19N5?
CompoundList lists 58 compounds with the molecular formula C18H19N5, including 1-Methyl-N-(1-propylbenzimidazol-2-yl)benzimidazol-2-amine, 4-(4-Methylpiperazin-1-yl)-2-pyridin-4-ylquinazoline, N-[(E)-(5-Imino-3-methyl-1-phenylpyrazol-4-ylidene)amino]-2,3-dimethylaniline. 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 C18H19N5?
C18H19N5 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.