Molecular formula
C19H21N5O2
375 compounds have this formula on CompoundList.
- Molar mass
- 351.41g/mol
- Monoisotopic mass
- 359.2197Da
- Atoms
- 47
- Elements
- 4
- Rings plus double bonds
- 12
The formula C19H21N5O2 describes a molecule made of 19 carbon atoms, 21 hydrogen atoms, 5 nitrogen atoms and 2 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 × 1964.94%12.011 × 19 = 228.209 g/mol
- H Hydrogen × 216.02%1.008 × 21 = 21.168 g/mol
- N Nitrogen × 519.93%14.007 × 5 = 70.035 g/mol
- O Oxygen × 29.11%15.999 × 2 = 31.998 g/mol
Look up another formula
Compounds with the formula C19H21N5O2
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 301 to 375 of 375 compounds
![3-[4-[[1-(Cyclopropylmethyl)aziridin-2-yl]methoxy]phenyl]-5-(1-methylpyrazol-4-yl)-1,2,4-oxadiazole chemical structure, C19H21N5O2, CAS 2418692-55-2](/s/WTWHFKGRTRVUGP-UHFFFAOYSA-N.svg)
3-[4-[[1-(Cyclopropylmethyl)aziridin-2-yl]methoxy]phenyl]-5-(1-methylpyrazol-4-yl)-1,2,4-oxadiazole
CAS 2418692-55-2C19H21N5O2
![2-tert-Butyl-N-(3-acetamidophenyl)imidazo[1,2-b]pyridazine-6-carboxamide chemical structure, C19H21N5O2, CAS 2549054-53-5](/s/GDDXRLCVNVSXHE-UHFFFAOYSA-N.svg)
2-tert-Butyl-N-(3-acetamidophenyl)imidazo[1,2-b]pyridazine-6-carboxamide
CAS 2549054-53-5C19H21N5O2
![2-tert-Butyl-N-(4-acetamidophenyl)imidazo[1,2-b]pyridazine-6-carboxamide chemical structure, C19H21N5O2, CAS 2549001-99-0](/s/AQFFTLPGDUSXHZ-UHFFFAOYSA-N.svg)
2-tert-Butyl-N-(4-acetamidophenyl)imidazo[1,2-b]pyridazine-6-carboxamide
CAS 2549001-99-0C19H21N5O2
![2-[1-(3-Methoxy-1-methyl-1H-pyrazole-4-carbonyl)piperidin-4-yl]-1,8-naphthyridine chemical structure, C19H21N5O2, CAS 2640934-54-7](/s/AVIOEXIDIPTMQJ-UHFFFAOYSA-N.svg)
2-[1-(3-Methoxy-1-methyl-1H-pyrazole-4-carbonyl)piperidin-4-yl]-1,8-naphthyridine
CAS 2640934-54-7C19H21N5O2
![1-(2-Methoxyphenyl)-4-{2-methylimidazo[1,2-b]pyridazine-6-carbonyl}piperazine chemical structure, C19H21N5O2, CAS 2640945-85-1](/s/CVLHEARFACRBCU-UHFFFAOYSA-N.svg)
1-(2-Methoxyphenyl)-4-{2-methylimidazo[1,2-b]pyridazine-6-carbonyl}piperazine
CAS 2640945-85-1C19H21N5O2
![1-(3-Methoxyphenyl)-4-{2-methylimidazo[1,2-b]pyridazine-6-carbonyl}piperazine chemical structure, C19H21N5O2, CAS 2640951-56-8](/s/MWKYTHNGHIOERT-UHFFFAOYSA-N.svg)
1-(3-Methoxyphenyl)-4-{2-methylimidazo[1,2-b]pyridazine-6-carbonyl}piperazine
CAS 2640951-56-8C19H21N5O2
![2-{3-[4-(Pyrimidin-2-yl)piperazin-1-yl]propyl}-2,3-dihydro-1H-isoindole-1,3-dione chemical structure, C19H21N5O2, CAS 95847-92-0](/s/CTAKPOJQJJTDFC-UHFFFAOYSA-N.svg)
2-{3-[4-(Pyrimidin-2-yl)piperazin-1-yl]propyl}-2,3-dihydro-1H-isoindole-1,3-dione
CAS 95847-92-0C19H21N5O2
![N-Cyclopentyl-2-(4-oxo-1-(p-tolyl)-1H-pyrazolo[3,4-d]pyrimidin-5(4H)-yl)acetamide chemical structure, C19H21N5O2, CAS 863446-77-9](/s/UEDOMNICIYXVTD-UHFFFAOYSA-N.svg)
N-Cyclopentyl-2-(4-oxo-1-(p-tolyl)-1H-pyrazolo[3,4-d]pyrimidin-5(4H)-yl)acetamide
CAS 863446-77-9C19H21N5O2
![4-(2-Amino-4-ethoxy-pyrido[3,2-d]pyrimidin-6-yl)-N-isopropyl-benzamide chemical structure, C19H21N5O2, CAS 1036386-24-9](/s/HDGKCVMODPHRSM-UHFFFAOYSA-N.svg)
4-(2-Amino-4-ethoxy-pyrido[3,2-d]pyrimidin-6-yl)-N-isopropyl-benzamide
CAS 1036386-24-9C19H21N5O2
![N-(1-(7H-Pyrrolo[2,3-d]pyrimidin-4-yl)piperidin-3-yl)-2-phenoxyacetamide chemical structure, C19H21N5O2, CAS 1270014-27-1](/s/RMYQNJOJTJGPLI-UHFFFAOYSA-N.svg)
N-(1-(7H-Pyrrolo[2,3-d]pyrimidin-4-yl)piperidin-3-yl)-2-phenoxyacetamide
CAS 1270014-27-1C19H21N5O2
![Urea, N-[2-oxo-2-(1-pyrrolidinyl)ethyl]-N'-[4-(2-phenyldiazenyl)phenyl]- chemical structure, C19H21N5O2, CAS 1390890-81-9](/s/YOICQUHPNCKADL-UHFFFAOYSA-N.svg)
Urea, N-[2-oxo-2-(1-pyrrolidinyl)ethyl]-N'-[4-(2-phenyldiazenyl)phenyl]-
CAS 1390890-81-9C19H21N5O2
![N-(4-(6-(Tetrahydro-2H-pyran-4-ylamino)imidazo[1,2-b]pyridazin-3-yl)phenyl)acetamide chemical structure, C19H21N5O2, CAS 1012345-27-5](/s/AVLFGKOVARJQMY-UHFFFAOYSA-N.svg)
N-(4-(6-(Tetrahydro-2H-pyran-4-ylamino)imidazo[1,2-b]pyridazin-3-yl)phenyl)acetamide
CAS 1012345-27-5C19H21N5O2
![6-(3,4-Dimethoxyphenyl)-4-(piperazin-1-yl)pyrido[3,2-d]pyrimidine chemical structure, C19H21N5O2, CAS 897360-60-0](/s/PVCSNTSEGAYJRQ-UHFFFAOYSA-N.svg)
6-(3,4-Dimethoxyphenyl)-4-(piperazin-1-yl)pyrido[3,2-d]pyrimidine
CAS 897360-60-0C19H21N5O2
N-(1H-Indol-5-yl)-1-(6-methoxypyridazin-3-yl)piperidine-3-carboxamide
CAS 1574484-43-7C19H21N5O2
N-(1H-Indol-6-yl)-1-(6-methoxypyridazin-3-yl)piperidine-4-carboxamide
CAS 1436003-02-9C19H21N5O2
![4-[4-(5-Ethoxy-1H-indazol-3-yl)-2-pyridinyl]-1-methyl-2-piperazinone chemical structure, C19H21N5O2, CAS 1627192-33-9](/s/NTKXZGIPIVZRFL-UHFFFAOYSA-N.svg)
4-[4-(5-Ethoxy-1H-indazol-3-yl)-2-pyridinyl]-1-methyl-2-piperazinone
CAS 1627192-33-9C19H21N5O2
![3-Methyl-4-{[6-methyl-2-(pyrrolidin-1-yl)-7H-pyrrolo[2,3-d]pyrimidin-4-yl]amino}benzoic acid chemical structure, C19H21N5O2, CAS 1795473-99-2](/s/LCDATZOFNPNCAQ-UHFFFAOYSA-N.svg)
3-Methyl-4-{[6-methyl-2-(pyrrolidin-1-yl)-7H-pyrrolo[2,3-d]pyrimidin-4-yl]amino}benzoic acid
CAS 1795473-99-2C19H21N5O2
![4-[3-({2-[(Dimethylamino)methyl]pyridin-4-yl}oxy)pyrrolidine-1-carbonyl]pyridine-2-carbonitrile chemical structure, C19H21N5O2, CAS 2223760-63-0](/s/KDSSYYNDXZRPDW-UHFFFAOYSA-N.svg)
4-[3-({2-[(Dimethylamino)methyl]pyridin-4-yl}oxy)pyrrolidine-1-carbonyl]pyridine-2-carbonitrile
CAS 2223760-63-0C19H21N5O2
![2-{1-[(3-Methyl-1,2,4-oxadiazol-5-yl)methyl]piperidin-4-yl}-6-phenyl-2,3-dihydropyridazin-3-one chemical structure, C19H21N5O2, CAS 2379993-21-0](/s/BGEDMUMHBRZPTR-UHFFFAOYSA-N.svg)
2-{1-[(3-Methyl-1,2,4-oxadiazol-5-yl)methyl]piperidin-4-yl}-6-phenyl-2,3-dihydropyridazin-3-one
CAS 2379993-21-0C19H21N5O2
![3-Methyl-2-{3-[(pyrimidin-2-yloxy)methyl]piperidin-1-yl}-3,4-dihydroquinazolin-4-one chemical structure, C19H21N5O2, CAS 2379972-79-7](/s/BEISYLVLIACVNH-UHFFFAOYSA-N.svg)
3-Methyl-2-{3-[(pyrimidin-2-yloxy)methyl]piperidin-1-yl}-3,4-dihydroquinazolin-4-one
CAS 2379972-79-7C19H21N5O2
![4-({1-[(1,3,4-Oxadiazol-2-yl)methyl]piperidin-4-yl}methoxy)-6-phenylpyrimidine chemical structure, C19H21N5O2, CAS 2379985-92-7](/s/WVMFVJYQYLGQPR-UHFFFAOYSA-N.svg)
4-({1-[(1,3,4-Oxadiazol-2-yl)methyl]piperidin-4-yl}methoxy)-6-phenylpyrimidine
CAS 2379985-92-7C19H21N5O2
![2-{1-[(5-Methyl-1,2,4-oxadiazol-3-yl)methyl]piperidin-4-yl}-6-phenyl-2,3-dihydropyridazin-3-one chemical structure, C19H21N5O2, CAS 2380060-70-6](/s/VRVMXMOWMYLCET-UHFFFAOYSA-N.svg)
2-{1-[(5-Methyl-1,2,4-oxadiazol-3-yl)methyl]piperidin-4-yl}-6-phenyl-2,3-dihydropyridazin-3-one
CAS 2380060-70-6C19H21N5O2
![2-(4-{[(6-Methylpyridazin-3-yl)oxy]methyl}piperidin-1-yl)-4H-pyrido[1,2-a]pyrimidin-4-one chemical structure, C19H21N5O2, CAS 2310141-04-7](/s/HRGXQBHHAVMDJM-UHFFFAOYSA-N.svg)
2-(4-{[(6-Methylpyridazin-3-yl)oxy]methyl}piperidin-1-yl)-4H-pyrido[1,2-a]pyrimidin-4-one
CAS 2310141-04-7C19H21N5O2
![3-Methyl-2-{4-[(5-methylpyrimidin-2-yl)oxy]piperidin-1-yl}-3,4-dihydroquinazolin-4-one chemical structure, C19H21N5O2, CAS 2380141-67-1](/s/KJQJIVHIUYZOPN-UHFFFAOYSA-N.svg)
3-Methyl-2-{4-[(5-methylpyrimidin-2-yl)oxy]piperidin-1-yl}-3,4-dihydroquinazolin-4-one
CAS 2380141-67-1C19H21N5O2
- 1-(1-(1,4,5,6-Tetrahydrocyclopenta[c]pyrazole-3-carbonyl)piperidin-4-yl)-1H-benzo[d]imidazol-2(3H)-one2305509-70-8C19H21N5O2
- 2-{4-[(5-Ethylpyrimidin-2-yl)oxy]piperidin-1-yl}-4H-pyrido[1,2-a]pyrimidin-4-one2380080-03-3C19H21N5O2
- 4-({4-[6-(Furan-2-yl)pyridazin-3-yl]piperazin-1-yl}methyl)-1-methyl-1,2-dihydropyridin-2-one2380176-27-0C19H21N5O2
- 5-(4-{[(6-Methylpyridazin-3-yl)oxy]methyl}piperidine-1-carbonyl)-1H-1,3-benzodiazole2415601-07-7C19H21N5O2
- 3-{[1-(4-Methyl-3-oxo-3,4-dihydropyrazin-2-yl)piperidin-4-yl]methyl}-3,4-dihydroquinazolin-4-one2415491-48-2C19H21N5O2
- 6-[5-(6-Cyclopropylpyridazin-3-yl)-octahydropyrrolo[3,4-c]pyrrole-2-carbonyl]-1,2-dihydropyridin-2-one2415455-76-2C19H21N5O2
- 6-{5-[2-(3,5-Dimethyl-1,2-oxazol-4-yl)acetyl]-octahydropyrrolo[3,4-c]pyrrol-2-yl}pyridine-3-carbonitrile2415533-22-9C19H21N5O2
- 1-[1-(6-Methylpyrimidin-4-yl)piperidin-4-yl]-3-phenylimidazolidine-2,4-dione2549025-07-0C19H21N5O2
- 1-[1-(4-Methylpyrimidin-2-yl)piperidin-4-yl]-3-phenylimidazolidine-2,4-dione2549008-41-3C19H21N5O2
- 1-[1-(5-Methylpyrimidin-2-yl)piperidin-4-yl]-3-phenylimidazolidine-2,4-dione2548992-22-7C19H21N5O2
- 2-[1-(4,6-Dimethoxypyrimidin-2-yl)piperidin-4-yl]-1,8-naphthyridine2640972-77-4C19H21N5O2
- 1-[(3-Methoxyphenyl)methyl]-4-{5-methylpyrazolo[1,5-a]pyrimidin-7-yl}piperazin-2-one2877689-13-7C19H21N5O2
- N-[2-(4-Methoxyphenyl)ethyl]-3-{[1,2,4]triazolo[4,3-a]pyridin-3-yl}azetidine-1-carboxamide2877638-57-6C19H21N5O2
- 4-{[1-(3-Cyano-6-methylpyridin-2-yl)piperidin-4-yl]methoxy}pyridine-2-carboxamide2877634-00-7C19H21N5O2
- 4,4'-(Pyridine-2,6-diyl)bis(6-ethoxy-2-methylpyrimidine)87568-87-4C19H21N5O2
- 1-tert-Butyl-N-methyl-5-(2-phenoxypyrimidin-4-yl)pyrazole-3-carboxamide1403332-65-9C19H21N5O2
- 2,2'-[(4-{(E)-[4-(1H-Imidazol-2-yl)phenyl]diazenyl}phenyl)azanediyl]di(ethan-1-ol)60160-77-2C19H21N5O2
- (E)-1-(1-(3-(1-Methyl-1H-pyrazol-4-yl)acryloyl)piperidin-4-yl)-1H-benzo[d]imidazol-2(3H)-one1303388-73-9C19H21N5O2
- 3-(4-Benzyl-1-methylpiperazin-2-yl)-[1,2,4]triazolo[4,3-a]pyridine-6-carboxylic acid1422069-61-1C19H21N5O2
- 1-(1-(4-Cyclopropyl-3-oxo-3,4-dihydropyrazin-2-yl)piperidin-4-yl)-1H-benzo[d]imidazol-2(3H)-one1944918-49-3C19H21N5O2
- 5-[3-({2-[(Dimethylamino)methyl]pyridin-4-yl}oxy)pyrrolidine-1-carbonyl]pyridine-2-carbonitrile2223930-74-1C19H21N5O2
- 1-(1-(5-Cyclopropyl-1H-pyrazole-3-carbonyl)piperidin-4-yl)-1H-benzo[d]imidazol-2(3H)-one2180348-99-4C19H21N5O2
- 1-[4-({Imidazo[1,2-b]pyridazin-6-yloxy}methyl)piperidin-1-yl]-2-(pyridin-3-yl)ethan-1-one2549046-86-6C19H21N5O2
- 1-Methyl-3-(3-{[(6-methylpyridazin-3-yl)oxy]methyl}pyrrolidine-1-carbonyl)-1H-indazole2549047-26-7C19H21N5O2
- 3-({1-[(3-Methyl-1,2,4-oxadiazol-5-yl)methyl]pyrrolidin-3-yl}methoxy)-6-phenylpyridazine2549019-06-7C19H21N5O2
- 5-{4-[(3-Methyl-1,2-oxazol-5-yl)methyl]piperazin-1-yl}-6-phenyl-2,3-dihydropyridazin-3-one2548997-67-5C19H21N5O2
- 5-{4-[(5-Methyl-1,2-oxazol-3-yl)methyl]piperazin-1-yl}-6-phenyl-2,3-dihydropyridazin-3-one2548976-60-7C19H21N5O2
- 7-Methoxy-3-{[1-(pyrimidin-2-yl)piperidin-4-yl]methyl}-3,4-dihydroquinazolin-4-one2549055-06-1C19H21N5O2
- 1-Methyl-2-[5-(5-methyl-1,2-oxazole-3-carbonyl)-octahydropyrrolo[3,4-c]pyrrol-2-yl]-1H-1,3-benzodiazole2549024-45-3C19H21N5O2
- 1,3-Dimethyl-6-[4-(1,8-naphthyridin-2-yl)piperidin-1-yl]-1,2,3,4-tetrahydropyrimidine-2,4-dione2640935-82-4C19H21N5O2
- 1-[(1-Benzyl-1H-1,2,3-triazol-4-yl)methyl]-4-cyclopentyl-1,2,3,4-tetrahydropyrazine-2,3-dione2415502-80-4C19H21N5O2
- 2-Cyclopropyl-1-[1-(4,6-dimethoxypyrimidin-2-yl)azetidin-3-yl]-1H-1,3-benzodiazole2415629-60-4C19H21N5O2
- 2-[4-(5-Cyclopropyl-1,3,4-oxadiazol-2-yl)piperidin-1-yl]-5H,7H,8H-pyrano[4,3-b]pyridine-3-carbonitrile2742021-44-7C19H21N5O2
- 2-{2-[4-(4-Methylpyrimidin-2-yl)piperazin-1-yl]ethyl}-2,3-dihydro-1H-isoindole-1,3-dione2741893-30-9C19H21N5O2
- 3-(2-{3-[(2-Ethyl-1H-imidazol-1-yl)methyl]azetidin-1-yl}-2-oxoethyl)-3,4-dihydroquinazolin-4-one2742050-16-2C19H21N5O2
- 3-Methyl-2-(3-{[(6-methylpyridazin-3-yl)oxy]methyl}pyrrolidin-1-yl)-3,4-dihydroquinazolin-4-one2741938-16-7C19H21N5O2
- 2-{4-[(3,6-Dimethylpyrazin-2-yl)oxy]piperidin-1-yl}-4H-pyrido[1,2-a]pyrimidin-4-one2742058-37-1C19H21N5O2
- 2-{3-[4-(Pyrimidin-4-yl)piperazin-1-yl]propyl}-2,3-dihydro-1H-isoindole-1,3-dione2770601-65-3C19H21N5O2
- 1-[1-(2-Methylpyrimidin-4-yl)piperidin-4-yl]-3-phenylimidazolidine-2,4-dione2770588-65-1C19H21N5O2
- 3-Cyclopropyl-1-[1-(quinoxalin-2-yl)piperidin-4-yl]imidazolidine-2,4-dione2770614-94-1C19H21N5O2
- 2-Ethoxy-1-[3-(1-methyl-1H-pyrazol-4-yl)-6H,7H,8H,9H-pyrido[2,3-b]1,6-naphthyridin-7-yl]ethan-1-one2770599-97-6C19H21N5O2
- Benzyl 4-{3H-imidazo[4,5-b]pyridin-2-yl}-1,4-diazepane-1-carboxylate2172163-37-8C19H21N5O2
- Benzyl 4-({1H-imidazo[4,5-b]pyridin-2-yl}amino)piperidine-1-carboxylate2172547-53-2C19H21N5O2
- 2-(2-Methylpropoxy)-5-(3-{[1,2,4]triazolo[4,3-a]pyridin-3-yl}azetidine-1-carbonyl)pyridine2770587-74-9C19H21N5O2
- N-[1-(7-Methoxy-4-methylquinolin-2-yl)azetidin-3-yl]-1-methyl-1H-pyrazole-3-carboxamide3054564-58-5C19H21N5O2
- 3-(6-Cyclopropylpyrimidin-4-yl)-6-[(3-nitrophenyl)methyl]-3,6-diazabicyclo[3.1.1]heptane3066712-06-6C19H21N5O2
- 2,4-Diamino-8-methoxy-5-piperidin-1-yl-5H-chromeno[2,3-b]pyridine-3-carbonitrile1221152-13-1C19H21N5O2
- N-[2-[(5,6-Dimethyl-2-phenyl-7H-pyrrolo[2,3-d]pyrimidin-4-yl)amino]ethyl]-2-oxopropanamide251946-35-7C19H21N5O2
- 2-Phenylethynyl-4,6-dimorpholino-1,3,5-triazine337966-55-9C19H21N5O2
- 1-Cycloheptyl-6-methyl-3-phenylpyrimido[5,4-e][1,2,4]triazine-5,7(1H,6H)-dione646071-08-1C19H21N5O2
- 4-(4-(4-(4-Methoxy-phenyl)-piperazin-D8-1-yl)-phenyl)-2,4-dihydro-[1,2,4]triazol-3-one2517794-02-2C19H21N5O2
Frequently asked questions
What is the molar mass of C19H21N5O2?
The molar mass of C19H21N5O2 is 351.41 g/mol, calculated from standard atomic weights for 19 carbon atoms, 21 hydrogen atoms, 5 nitrogen atoms and 2 oxygen atoms. The monoisotopic mass is 359.2197 Da.
How many compounds have the formula C19H21N5O2?
CompoundList lists 375 compounds with the molecular formula C19H21N5O2, including 3-[4-[[1-(Cyclopropylmethyl)aziridin-2-yl]methoxy]phenyl]-5-(1-methylpyrazol-4-yl)-1,2,4-oxadiazole, 2-tert-Butyl-N-(3-acetamidophenyl)imidazo[1,2-b]pyridazine-6-carboxamide, 2-tert-Butyl-N-(4-acetamidophenyl)imidazo[1,2-b]pyridazine-6-carboxamide. 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 C19H21N5O2?
C19H21N5O2 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.