Molecular formula
C19H21N5
63 compounds have this formula on CompoundList.
- Molar mass
- 319.41g/mol
- Monoisotopic mass
- 319.1797Da
- Atoms
- 45
- Elements
- 3
- Rings plus double bonds
- 12
The formula C19H21N5 describes a molecule made of 19 carbon atoms, 21 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 × 1971.45%12.011 × 19 = 228.209 g/mol
- H Hydrogen × 216.63%1.008 × 21 = 21.168 g/mol
- N Nitrogen × 521.93%14.007 × 5 = 70.035 g/mol
Look up another formula
Compounds with the formula C19H21N5
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 63 of 63 compounds
![N-[2-(1-Cyclohexenyl)ethyl]-1-phenyl-4-pyrazolo[3,4-d]pyrimidinamine chemical structure, C19H21N5, CAS 393820-21-8](/s/JWIWASBOBFIAPX-UHFFFAOYSA-N.svg)
N-[2-(1-Cyclohexenyl)ethyl]-1-phenyl-4-pyrazolo[3,4-d]pyrimidinamine
CAS 393820-21-8C19H21N5
1-(2-Phenyl-3H-imidazol-4-ylmethyl)-4-pyridin-2-yl-piperazine
CAS 178928-69-3C19H21N5
![7-(3-Methylphenyl)-5-(4-methylphenyl)-4,5,6,7-tetrahydro[1,2,4]triazolo[1,5-a]pyrimidin-2-ylamine chemical structure, C19H21N5, CAS 577962-63-1](/s/SKZUFMZSQVXPKH-UHFFFAOYSA-N.svg)
7-(3-Methylphenyl)-5-(4-methylphenyl)-4,5,6,7-tetrahydro[1,2,4]triazolo[1,5-a]pyrimidin-2-ylamine
CAS 577962-63-1C19H21N5
![(E)-4-Methyl-N-((3-phenylimidazo[1,5-a]pyridin-1-yl)methylene)piperazin-1-amine chemical structure, C19H21N5, CAS 468073-97-4](/s/TXVWKSXCWUWSAR-HMMYKYKNSA-N.svg)
(E)-4-Methyl-N-((3-phenylimidazo[1,5-a]pyridin-1-yl)methylene)piperazin-1-amine
CAS 468073-97-4C19H21N5
4-Benzyl-1-(1-phenyltetrazol-5-yl)piperidine
CAS 379249-80-6C19H21N5
![4,8-Dimethyl-2-[4-(2-pyrimidinyl)piperazino]quinoline chemical structure, C19H21N5, CAS 866136-68-7](/s/OTDCRZZLIFZQRR-UHFFFAOYSA-N.svg)
4,8-Dimethyl-2-[4-(2-pyrimidinyl)piperazino]quinoline
CAS 866136-68-7C19H21N5
![2-Ethyl-3-methyl-1-(piperazin-1-yl)pyrido[1,2-a]benzimidazole-4-carbonitrile chemical structure, C19H21N5, CAS 294651-63-1](/s/RFAWMRAGVSOYNK-UHFFFAOYSA-N.svg)
2-Ethyl-3-methyl-1-(piperazin-1-yl)pyrido[1,2-a]benzimidazole-4-carbonitrile
CAS 294651-63-1C19H21N5
![11-((2-(Dimethylamino)ethyl)amino)-2,3-dihydro-1H-benzo[4,5]imidazo[1,2-a]cyclopenta[d]pyridine-4-carbonitrile chemical structure, C19H21N5, CAS 307343-21-1](/s/HXJVXAIDZJNZJK-UHFFFAOYSA-N.svg)
11-((2-(Dimethylamino)ethyl)amino)-2,3-dihydro-1H-benzo[4,5]imidazo[1,2-a]cyclopenta[d]pyridine-4-carbonitrile
CAS 307343-21-1C19H21N5
4-(4-Ethylpiperazin-1-yl)-2-(pyridin-4-yl)quinazoline
CAS 380869-90-9C19H21N5
![1-Phenyl-4-[(1-phenyl-1H-1,2,3-triazol-4-yl)methyl]piperazine chemical structure, C19H21N5, CAS 668602-03-7](/s/QLOFPPKCJSHBIO-UHFFFAOYSA-N.svg)
1-Phenyl-4-[(1-phenyl-1H-1,2,3-triazol-4-yl)methyl]piperazine
CAS 668602-03-7C19H21N5
1,3-Benzenediamine, N,N-diethyl-4-(2-quinolinylazo)-
CAS 566877-92-7C19H21N5
4-(4-Ethylpiperazin-1-yl)-2-(pyridin-3-yl)quinazoline
CAS 378767-87-4C19H21N5
![1'-Methyl-1-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)spiro[indoline-3,4'-piperidine] chemical structure, C19H21N5, CAS 908280-68-2](/s/PPQBKZIRDIWMOB-UHFFFAOYSA-N.svg)
1'-Methyl-1-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)spiro[indoline-3,4'-piperidine]
CAS 908280-68-2C19H21N5
4-Phenyl-2,6-di(1-pyrrolidinyl)-5-pyrimidinecarbonitrile
CAS 211687-29-5C19H21N5
4-(6-Methylergolin-8-yl)pyrimidin-2(1H)-imine
CAS 116979-35-2C19H21N5
![4-(1H-Imidazol-1-yl)-6-[2-(4-methylphenyl)piperidin-1-yl]pyrimidine chemical structure, C19H21N5, CAS 1394730-98-3](/s/DNXBAHJVPBKPKD-UHFFFAOYSA-N.svg)
4-(1H-Imidazol-1-yl)-6-[2-(4-methylphenyl)piperidin-1-yl]pyrimidine
CAS 1394730-98-3C19H21N5
5-(3-Anilinopropyl)-6-phenylpyrimidine-2,4-diamine
CAS 2211-01-0C19H21N5
Isoquinolin-3-yl-(4-piperazin-1-ylmethyl-pyridin-2-yl)-amine
CAS 1204701-92-7C19H21N5
![9-(Adamantan-1-yl)-9H-pyrido[4',3':4,5]pyrrolo[2,3-d]pyrimidin-2-amine chemical structure, C19H21N5, CAS 1401034-61-4](/s/GEADXIGUTSPUME-UHFFFAOYSA-N.svg)
9-(Adamantan-1-yl)-9H-pyrido[4',3':4,5]pyrrolo[2,3-d]pyrimidin-2-amine
CAS 1401034-61-4C19H21N5
![4-[6-(1H-Indol-3-yl)-3-pyridazinyl]-1,4-diazabicyclo[3.2.2]nonane chemical structure, C19H21N5, CAS 695183-76-7](/s/AAJWPKMRKNHGJB-UHFFFAOYSA-N.svg)
4-[6-(1H-Indol-3-yl)-3-pyridazinyl]-1,4-diazabicyclo[3.2.2]nonane
CAS 695183-76-7C19H21N5
![2-(Pyridin-4-yl)-N-[2-(pyrrolidin-1-yl)ethyl]quinazolin-4-amine chemical structure, C19H21N5, CAS 781615-20-1](/s/MGFSLOHREJORAH-UHFFFAOYSA-N.svg)
2-(Pyridin-4-yl)-N-[2-(pyrrolidin-1-yl)ethyl]quinazolin-4-amine
CAS 781615-20-1C19H21N5
5,6-Dimethyl-N4-(2-methylphenyl)-N2-(pyridin-2-ylmethyl)pyrimidine-2,4-diamine
CAS 1450809-59-2C19H21N5
![1-[1-(6-Cyclobutylpyrimidin-4-yl)pyrrolidin-3-yl]-1H-1,3-benzodiazole chemical structure, C19H21N5, CAS 2097937-09-0](/s/KOZZWAKUHDATCW-UHFFFAOYSA-N.svg)
1-[1-(6-Cyclobutylpyrimidin-4-yl)pyrrolidin-3-yl]-1H-1,3-benzodiazole
CAS 2097937-09-0C19H21N5
![1-Methyl-2-[5-(pyridin-2-yl)-octahydropyrrolo[2,3-c]pyrrol-1-yl]-1H-1,3-benzodiazole chemical structure, C19H21N5, CAS 2549066-57-9](/s/SJOBNYARGZECRS-UHFFFAOYSA-N.svg)
1-Methyl-2-[5-(pyridin-2-yl)-octahydropyrrolo[2,3-c]pyrrol-1-yl]-1H-1,3-benzodiazole
CAS 2549066-57-9C19H21N5
- 1-{2-Cyclopropylpyrazolo[1,5-a]pyrazin-4-yl}-4-phenylpiperazine2640866-68-6C19H21N5
- 4-(4-Benzylpiperidin-1-yl)-6-(1H-pyrazol-1-yl)pyrimidine2549050-56-6C19H21N5
- 2-{5,6-Dimethyl-[1,2,4]triazolo[1,5-a]pyrimidin-7-yl}-6-phenyl-2-azaspiro[3.3]heptane2379985-87-0C19H21N5
- 2-Cyclopropyl-1-[1-(2,6-dimethylpyrimidin-4-yl)azetidin-3-yl]-1H-1,3-benzodiazole2380071-37-2C19H21N5
- 2-Cyclopropyl-1-[1-(5,6-dimethylpyrimidin-4-yl)azetidin-3-yl]-1H-1,3-benzodiazole2380095-21-4C19H21N5
- 2-Cyclopropyl-1-[1-(5-ethylpyrimidin-2-yl)azetidin-3-yl]-1H-1,3-benzodiazole2380086-96-2C19H21N5
- 2-Methyl-1-(1-{2-methyl-5H,6H,7H-cyclopenta[d]pyrimidin-4-yl}azetidin-3-yl)-1H-1,3-benzodiazole2380078-48-6C19H21N5
- 2-Cyclopropyl-1-[1-(6-ethylpyrimidin-4-yl)azetidin-3-yl]-1H-1,3-benzodiazole2415503-88-5C19H21N5
- 1-Benzyl-4-{2-methylpyrido[3,4-d]pyrimidin-4-yl}piperazine2877765-75-6C19H21N5
- 4-{4-[(2-Methylpyridin-3-yl)methyl]piperazin-1-yl}quinazoline2877688-90-7C19H21N5
- 2-{4-[(2-Methylpyridin-3-yl)methyl]piperazin-1-yl}quinoxaline2877711-68-5C19H21N5
- 4-[[3-(4,6-Dimethylpyrimidin-2-yl)-3,6-diazabicyclo[3.1.1]heptan-6-yl]methyl]benzonitrile3054633-38-1C19H21N5
- 1-(6-(Aminomethyl)pyridin-2-yl)-N,N-bis(pyridin-2-ylmethyl)methanamine769952-01-4C19H21N5
- 9-Benzyl-6-[(E)-2-piperidin-1-ylethenyl]purine920503-20-4C19H21N5
- 1-[4-(5,6-Dimethylpyrimidin-4-yl)piperazin-1-yl]isoquinoline2306785-01-1C19H21N5
- (E)-N-Cyano-3-phenyl-N-o-tolylpiperazine-1-carboxamidine1001183-82-9C19H21N5
- 1-[4-(2,6-Dimethylpyrimidin-4-yl)piperazin-1-yl]isoquinoline2415552-78-0C19H21N5
- 1-[4-(6-Ethylpyrimidin-4-yl)piperazin-1-yl]isoquinoline2415586-13-7C19H21N5
- N-Methyl-N-[1-(quinoxalin-2-yl)piperidin-4-yl]pyridin-2-amine2741901-66-4C19H21N5
- 2-[1-(5,6-Dimethylpyrimidin-4-yl)piperidin-4-yl]-1,8-naphthyridine2640945-29-3C19H21N5
- 2-Cyclopropyl-1-[1-(4,6-dimethylpyrimidin-2-yl)azetidin-3-yl]-1H-1,3-benzodiazole2415500-75-1C19H21N5
- 2-Benzyl-5-{pyrazolo[1,5-a]pyrimidin-5-yl}-octahydropyrrolo[3,4-c]pyrrole2415541-49-8C19H21N5
- 2-Methyl-3-({6H,7H,8H,9H-pyrido[2,3-b]1,6-naphthyridin-7-yl}methyl)-2H,4H,5H,6H-cyclopenta[c]pyrazole2742015-54-7C19H21N5
- 1-(2,3-Dimethylphenyl)-4-{pyrido[3,4-d]pyrimidin-4-yl}piperazine2770589-02-9C19H21N5
- 1-(3-Methylphenyl)-4-{2-methylpyrido[3,4-d]pyrimidin-4-yl}piperazine2770614-59-8C19H21N5
- 1-(2-Methylphenyl)-4-{2-methylpyrido[3,4-d]pyrimidin-4-yl}piperazine2770601-91-5C19H21N5
- 1-(2,4-Dimethylphenyl)-4-{pyrido[3,4-d]pyrimidin-4-yl}piperazine2770643-68-8C19H21N5
- 6-{[4-(2-Methylpyrimidin-4-yl)piperazin-1-yl]methyl}quinoline3030814-46-8C19H21N5
- 6-{[4-(5-Methylpyrimidin-2-yl)piperazin-1-yl]methyl}quinoline3030830-84-0C19H21N5
- 6-{[4-(6-Methylpyrimidin-4-yl)piperazin-1-yl]methyl}quinoline3054557-60-4C19H21N5
- 6-{[4-(4-Methylpyrimidin-2-yl)piperazin-1-yl]methyl}quinoline3030807-98-5C19H21N5
- 3-({3-[Cyclopropyl(pyrimidin-4-yl)amino]pyrrolidin-1-yl}methyl)benzonitrile3054638-17-1C19H21N5
- 4-{[3-(2,6-Dimethylpyrimidin-4-yl)-3,6-diazabicyclo[3.1.1]heptan-6-yl]methyl}benzonitrile3054427-51-6C19H21N5
- 4-{[3-(5,6-Dimethylpyrimidin-4-yl)-3,6-diazabicyclo[3.1.1]heptan-6-yl]methyl}benzonitrile3054587-25-3C19H21N5
- N-Methyl-N-{1-[(quinolin-4-yl)methyl]pyrrolidin-3-yl}pyrimidin-4-amine3054549-99-1C19H21N5
- 6-Methyl-N-{1-[(quinolin-4-yl)methyl]pyrrolidin-3-yl}pyrimidin-4-amine3054590-47-2C19H21N5
- 6-Methyl-N-[1-(quinolin-2-yl)piperidin-3-yl]pyrimidin-4-amine3054635-36-5C19H21N5
- 3-{[3-(4,6-Dimethylpyrimidin-2-yl)-3,6-diazabicyclo[3.1.1]heptan-6-yl]methyl}benzonitrile3054618-93-5C19H21N5
- (2Z)-1-(1H-1,2,3-Benzotriazol-1-ylmethyl)-N-(cyclohexylidenemethyl)-1,2-dihydropyridin-2-imine306990-85-2C19H21N5
Frequently asked questions
What is the molar mass of C19H21N5?
The molar mass of C19H21N5 is 319.41 g/mol, calculated from standard atomic weights for 19 carbon atoms, 21 hydrogen atoms and 5 nitrogen atoms. The monoisotopic mass is 319.1797 Da.
How many compounds have the formula C19H21N5?
CompoundList lists 63 compounds with the molecular formula C19H21N5, including N-[2-(1-Cyclohexenyl)ethyl]-1-phenyl-4-pyrazolo[3,4-d]pyrimidinamine, 1-(2-Phenyl-3H-imidazol-4-ylmethyl)-4-pyridin-2-yl-piperazine, 7-(3-Methylphenyl)-5-(4-methylphenyl)-4,5,6,7-tetrahydro[1,2,4]triazolo[1,5-a]pyrimidin-2-ylamine. 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 C19H21N5?
C19H21N5 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.