Molecular formula
C16H16N4O2
306 compounds have this formula on CompoundList.
- Molar mass
- 296.33g/mol
- Monoisotopic mass
- 296.1273Da
- Atoms
- 38
- Elements
- 4
- Rings plus double bonds
- 11
The formula C16H16N4O2 describes a molecule made of 16 carbon atoms, 16 hydrogen atoms, 4 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 × 1664.85%12.011 × 16 = 192.176 g/mol
- H Hydrogen × 165.44%1.008 × 16 = 16.128 g/mol
- N Nitrogen × 418.91%14.007 × 4 = 56.028 g/mol
- O Oxygen × 210.80%15.999 × 2 = 31.998 g/mol
Look up another formula
Compounds with the formula C16H16N4O2
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 100 of 306 compounds
1,4-Diisonicotinoylpiperazine
CAS 17433-18-0C16H16N4O2
N-(3-Imidazol-1-ylpropyl)-5-phenyl-1,2-oxazole-3-carboxamide
CAS 712348-07-7C16H16N4O2
![N-[2-(4-Methoxyphenyl)-6-methylbenzotriazol-5-yl]acetamide chemical structure, C16H16N4O2, CAS 335420-29-6](/s/IATFJLQWWAEOEA-UHFFFAOYSA-N.svg)
N-[2-(4-Methoxyphenyl)-6-methylbenzotriazol-5-yl]acetamide
CAS 335420-29-6C16H16N4O2
![Ethyl 7-amino-2-methyl-3-phenylpyrazolo[1,5-a]pyrimidine-6-carboxylate chemical structure, C16H16N4O2, CAS 727421-94-5](/s/BHRRMQFTXXTXSY-UHFFFAOYSA-N.svg)
Ethyl 7-amino-2-methyl-3-phenylpyrazolo[1,5-a]pyrimidine-6-carboxylate
CAS 727421-94-5C16H16N4O2
![5-(4-Ethoxyphenyl)-7-methylpyrazolo[1,5-a]pyrimidine-2-carboxamide chemical structure, C16H16N4O2, CAS 313387-50-7](/s/BXIZJGZAEAKYFL-UHFFFAOYSA-N.svg)
5-(4-Ethoxyphenyl)-7-methylpyrazolo[1,5-a]pyrimidine-2-carboxamide
CAS 313387-50-7C16H16N4O2
Piperazine-1,4-diylbis(pyridin-2-ylmethanone)
CAS 17433-21-5C16H16N4O2
Ethyl 5-amino-1-(4-methylquinolin-2-yl)-1H-pyrazole-4-carboxylate
CAS 301223-05-2C16H16N4O2
![Ethyl 1,3-dimethyl-6-pyridin-4-ylpyrazolo[3,4-b]pyridine-4-carboxylate chemical structure, C16H16N4O2, CAS 747411-38-7](/s/UTRZLPJCDLJLJQ-UHFFFAOYSA-N.svg)
Ethyl 1,3-dimethyl-6-pyridin-4-ylpyrazolo[3,4-b]pyridine-4-carboxylate
CAS 747411-38-7C16H16N4O2
![3-Amino-4-(2-methoxyethyl)-4,9,16-triazatetracyclo[7.7.0.0^{2,6}.0^{10,15}]hexadeca-1(16),2,6,10(15),11,13-hexaen-8-one chemical structure, C16H16N4O2, CAS 565173-01-5](/s/RLGYAPWVHDDMHF-UHFFFAOYSA-N.svg)
3-Amino-4-(2-methoxyethyl)-4,9,16-triazatetracyclo[7.7.0.0^{2,6}.0^{10,15}]hexadeca-1(16),2,6,10(15),11,13-hexaen-8-one
CAS 565173-01-5C16H16N4O2
4-Hydroxy-6-(4-methoxyphenyl)-2-pyrrolidin-1-ylpyrimidine-5-carbonitrile
CAS 693240-90-3C16H16N4O2
![4,6-Diamino-2-[(2-methylphenoxy)methyl]-2,3-dihydrofuro[2,3-b]pyridine-5-carbonitrile chemical structure, C16H16N4O2, CAS 343374-98-1](/s/SDYKVPDVLMSCES-UHFFFAOYSA-N.svg)
4,6-Diamino-2-[(2-methylphenoxy)methyl]-2,3-dihydrofuro[2,3-b]pyridine-5-carbonitrile
CAS 343374-98-1C16H16N4O2
![2-[(2E)-2-(2,3-Dimethoxybenzylidene)hydrazinyl]-1H-benzimidazole chemical structure, C16H16N4O2, CAS 327103-83-3](/s/ZBVBUBQCXVUXHS-LICLKQGHSA-N.svg)
2-[(2E)-2-(2,3-Dimethoxybenzylidene)hydrazinyl]-1H-benzimidazole
CAS 327103-83-3C16H16N4O2
N-(3-(1H-Imidazol-1-yl)propyl)-2-(1H-indol-3-yl)-2-oxoacetamide
CAS 852367-43-2C16H16N4O2
CK 2130
CAS 101184-07-0C16H16N4O2
![6-[(2-Amino-4-hydroxy-5-methylphenyl)diazenyl]-3,4-dihydro-1H-quinolin-2-one chemical structure, C16H16N4O2, CAS 2229039-45-4](/s/ANMQADUROYWADA-UHFFFAOYSA-N.svg)
6-[(2-Amino-4-hydroxy-5-methylphenyl)diazenyl]-3,4-dihydro-1H-quinolin-2-one
CAS 2229039-45-4C16H16N4O2
![3-(4-Methoxyphenyl)-2-[2-methyl-2-(1H-1,2,4-triazol-1-yl)propanoyl]acrylonitrile chemical structure, C16H16N4O2, CAS 338758-21-7](/s/JHVUZBPMWMFMIK-MDWZMJQESA-N.svg)
3-(4-Methoxyphenyl)-2-[2-methyl-2-(1H-1,2,4-triazol-1-yl)propanoyl]acrylonitrile
CAS 338758-21-7C16H16N4O2
![N-(3-Cyano-4-methoxy-2-pyridinyl)-N'-[(4-methylbenzyl)oxy]iminoformamide chemical structure, C16H16N4O2, CAS 339102-45-3](/s/PHDSKDNWCCAVDY-UHFFFAOYSA-N.svg)
N-(3-Cyano-4-methoxy-2-pyridinyl)-N'-[(4-methylbenzyl)oxy]iminoformamide
CAS 339102-45-3C16H16N4O2
![Ethyl 3-phenyl-2-[1,2,4]triazolo[1,5-a]pyrimidin-7-ylpropanoate chemical structure, C16H16N4O2, CAS 477868-50-1](/s/AGRSGLIYEAHZQE-UHFFFAOYSA-N.svg)
Ethyl 3-phenyl-2-[1,2,4]triazolo[1,5-a]pyrimidin-7-ylpropanoate
CAS 477868-50-1C16H16N4O2
![6-Amino-3-ethyl-4-(2-methoxyphenyl)-1,4-dihydropyrano[2,3-c]pyrazole-5-carbonitrile chemical structure, C16H16N4O2, CAS 401589-97-7](/s/AMQRHIKFTHTJTE-UHFFFAOYSA-N.svg)
6-Amino-3-ethyl-4-(2-methoxyphenyl)-1,4-dihydropyrano[2,3-c]pyrazole-5-carbonitrile
CAS 401589-97-7C16H16N4O2
1-(4,6-Dimethylpyrimidin-2-yl)-3-(4-methoxyphenyl)-2-pyrazolin-5-one
CAS 775292-19-8C16H16N4O2
2-(3,5-Dimethylpyrazol-1-yl)-3-prop-2-enoxyquinazolin-4-one
CAS 879457-82-6C16H16N4O2
2-(Hydroxyimino)-N-phenyl-3-(2-phenylhydrazono)butanamide
CAS 6030-06-4C16H16N4O2
2-(3-Methyl-2-oxobenzimidazol-1-yl)-N-(pyridin-3-ylmethyl)acetamide
CAS 696636-19-8C16H16N4O2
1-Allyl-3,7-dimethyl-8-phenylxanthine
CAS 149981-23-7C16H16N4O2
- 1-Methyl-6-(4-nitrophenylazo)-1,2,3,4-tetrahydroquinoline79579-23-0C16H16N4O2
- N-(4-Ethylphenyl)-2-oxo-2-(2-(4-pyridinylmethylene)hydrazino)acetamide769146-49-8C16H16N4O2
- Acetamide, N,N'-(1,2-diazenediyldi-4,1-phenylene)bis-15446-39-6C16H16N4O2
- 6-Amino-4-(3-hydroxyphenyl)-3-propyl-2,4-dihydropyrano[2,3-c]pyrazole-5-carbonitrile340808-74-4C16H16N4O2
- N-(5-Imidazo[1,2-a]pyrimidin-2-yl-2-methoxyphenyl)propanamide847387-92-2C16H16N4O2
- 1,4,5,7-Tetramethyl-6-(3-nitrophenyl)-6H-pyrrolo[3,4-d]pyridazine461436-88-4C16H16N4O2
- 1-(3,4-Dimethylphenyl)-N-(furan-2-ylmethyl)-1H-1,2,3-triazole-4-carboxamide1105215-09-5C16H16N4O2
- 3-Amino-2-((1,3-dihydro-3-oxo-2H-indol-2-ylidene)methyl)-3-(4-morpholinyl)-2-propenenitrile171853-06-8C16H16N4O2
- 1-(Benzofuro[3,2-d]pyrimidin-4-yl)piperidine-4-carboxamide842968-01-8C16H16N4O2
- N-(2-Hydroxyethyl)-1-methyl-N-phenylbenzotriazole-5-carboxamide700852-88-6C16H16N4O2
- 9-(3-Methoxyphenyl)-5,6,7,9-tetrahydro[1,2,4]triazolo[5,1-b]quinazolin-8(4H)-one537002-22-5C16H16N4O2
- Ethyl 2-amino-1-(prop-2-en-1-yl)-1H-pyrrolo[2,3-b]quinoxaline-3-carboxylate300703-61-1C16H16N4O2
- 1,3-Dimethyl-7-[(E)-3-phenylprop-2-enyl]purine-2,6-dione374709-44-1C16H16N4O2
- 8-Ethyl-2-(4-methoxyphenylamino)-8H-pyrido[2,3-d]pyrimidin-7-one211245-12-4C16H16N4O2
- 8-(2-Methoxyethyl)-2-phenylamino-8H-pyrido[2,3-d]pyrimidin-7-one211245-47-5C16H16N4O2
- 6-Methyl-4-oxo-N-phenethyl-4,5-dihydropyrazolo[1,5-a]pyrazine-2-carboxamide1775542-34-1C16H16N4O2
- 1,4-Dinicotinoylpiperazine17433-19-1C16H16N4O2
- N-(2-Ethylphenyl)-6-methyl-4-oxo-4,5-dihydropyrazolo[1,5-a]pyrazine-2-carboxamide1775378-02-3C16H16N4O2
- 5-Cinnamyl-1-(2-hydroxyethyl)-1H-pyrazolo[3,4-d]pyrimidin-4(5H)-one900011-18-9C16H16N4O2
- 2-(2-Oxo-3-phenylimidazolidin-1-yl)-N-(pyridin-3-yl)acetamide1257550-16-5C16H16N4O2
- N6-((N,N-Dimethylamino)-2-oxoethyl)-6,11-dihydro-5H-pyrido(2,3-b)(1,5)benzodiazepin-5-one133626-61-6C16H16N4O2
- 8-Carbamoyl-N11-ethyl-N6-methyl-6,11-dihydro-5H-pyrido(2,3-b)(1,5)benzodiazepin-5-one133626-78-5C16H16N4O2
- 1,4-Bis(4-nitrosophenyl)piperazine4963-30-8C16H16N4O2
- N-Allyl-2-(8-methyl-4-oxo-4,5-dihydro-3H-pyrimido[5,4-b]indol-3-yl)acetamide1105229-46-6C16H16N4O2
- 2-(4-Benzyl-3-methyl-5-oxo-2,5-dihydro-1H-pyrazol-1-yl)-6-methyl-4(3H)-pyrimidinone866137-69-1C16H16N4O2
- 6,7-Dimethoxy-N-(2-pyridinylmethyl)-4-quinazolinamine477859-85-1C16H16N4O2
- N1-(6,7-Dimethoxyquinazolin-4-yl)benzene-1,4-diamine330999-50-3C16H16N4O2
- N-(2-Cyanophenyl)-2-(6-oxo-4-propylpyrimidin-1(6H)-yl)acetamide1172986-12-7C16H16N4O2
- N-{2-[3,4-Dihydro-2(1H)-isoquinolinyl]-2-oxoethyl}-2-pyrazinecarboxamide1374541-78-2C16H16N4O2
- 1 suppliers4-[3-Aminophenylamino]-6,7-dimethoxyquinazoline263400-54-0C16H16N4O2
- N-Cyclopropyl-2-(8-methyl-4-oxo-4,5-dihydro-3H-pyrimido[5,4-b]indol-3-yl)acetamide1105208-21-6C16H16N4O2
- 2-Cyclopropaneamido-N-(4-methylpyridin-3-yl)pyridine-4-carboxamide1772822-33-9C16H16N4O2
- 4H-1,2,4-Triazol-4-amine, 3,5-bis(4-methoxyphenyl)-93016-27-4C16H16N4O2
- 9-Cyclopropyl-2-(2-ethoxy-phenyl)-1,9-dihydro-purin-6-one865537-37-7C16H16N4O2
- Ethyl 2-(2-(methylamino)pyrimidin-4-yl)-1H-indole-5-carboxylate916486-06-1C16H16N4O2
- [(3Z)-2-Oxo-3-[1-(1H-pyrrol-2-yl)propylidene]-2,3-dihydro-1H-indol-5-yl]urea946843-64-7C16H16N4O2
- Ethyl 5-cyano-6-imino-4-methyl-1-(4-methylphenyl)-1,6-dihydropyridazine-3-carboxylate120049-79-8C16H16N4O2
- 9-(4-Methoxyphenyl)-5,6,7,9-tetrahydro-[1,2,4]triazolo[5,1-b]quinazolin-8(4H)-one367907-17-3C16H16N4O2
- 1'-Ethyl-3'-methyl-1-phenyl-1H,1'H-3,4'-bipyrazole-4-carboxylic acid1006320-04-2C16H16N4O2
- Ethyl 4-[(1H-1,2,3-benzotriazol-1-ylmethyl)amino]benzoate62001-47-2C16H16N4O2
- 1'-Ethyl-5'-methyl-1-phenyl-1H,1'H-3,4'-bipyrazole-4-carboxylic acid1006348-70-4C16H16N4O2
- 6-Cyclohexyl-3-(2H-tetrazol-5-yl)-4H-1-benzopyran-4-one50743-57-2C16H16N4O2
- 4,10,14,20-Tetrazapentacyclo[11.7.0.03,11.04,9.014,19]icosa-1(13),3(11),9,19-tetraene-2,12-dione1237787-35-7C16H16N4O2
- Ethyl 4,7-dimethyl-8-phenylpyrazolo[5,1-c][1,2,4]triazine-3-carboxylate77632-06-5C16H16N4O2
- 1H-Benzimidazole, 2-[(2,4-dimethoxyphenyl)azo]-1-methyl-51652-59-6C16H16N4O2
- 1-(4-Methylphenyl)-5-oxo-N-pyrimidin-2-ylpyrrolidine-3-carboxamide825597-63-5C16H16N4O2
- Ethyl 4-amino-6-methyl-1-phenyl-1H-pyrazolo[3,4-b]pyridine-5-carboxylate162432-61-3C16H16N4O2
- (2Z,3Z)-2-(Hydroxyimino)-N-phenyl-3-(phenylhydrazono)butanamideC16H16N4O2
- 1H-Indazole-1-acetamide,7-amino-N-(4-methoxyphenyl)-154078-65-6C16H16N4O2
- 4(3H)-Quinazolinone, 3-(p-ethoxyphenyl)-2-hydrazino-19062-37-4C16H16N4O2
- 3,6-Bis(4-methoxyphenyl)-1,4-dihydro-1,2,4,5-tetrazine53876-72-5C16H16N4O2
- 1-(4,6-Dimethylpyrimidin-2-yl)-3-(3-methoxyphenyl)-1H-pyrazol-5-ol891445-60-6C16H16N4O2
- 5-(3-Cyclopropyl-1H-pyrazol-5-yl)-3-(4-ethoxyphenyl)-1,2,4-oxadiazole1106780-20-4C16H16N4O2
- 4-Azido-N-[2-(4-methoxyphenyl)ethyl]benzamide581101-37-3C16H16N4O2
- N-(4-{[2-(1H-pyrrol-2-ylmethylene)hydrazino]carbonyl}phenyl)cyclopropanecarboxamide444649-90-5C16H16N4O2
- 1-Cinnamyl-3,7-dimethyl-3,7-dihydro-1H-purine-2,6-dione374709-53-2C16H16N4O2
- N-[2-(4-Ethoxyphenyl)benzotriazol-5-yl]acetamide839695-65-7C16H16N4O2
- 1-[8-(4-Methoxyphenyl)-4,7-dimethylpyrazolo[5,1-c][1,2,4]triazin-3-yl]ethanone895359-12-3C16H16N4O2
- N-[1-(3-Cyanopyridin-2-yl)piperidin-4-yl]-2-furamide1160261-66-4C16H16N4O2
- N-(2-(1H-Imidazol-1-yl)quinolin-8-yl)-2-ethoxyacetamide1226450-14-1C16H16N4O2
- (4-(1H-1,2,3-Triazol-1-yl)piperidin-1-yl)(benzofuran-2-yl)methanone1795302-83-8C16H16N4O2
- 4-Isopropoxy-N-(pyrazolo[1,5-a]pyrimidin-6-yl)benzamide2034449-29-9C16H16N4O2
- (2R,5S)-Tetrahydro-5-(2-methyl-1H-furo[3,2-b]imidazo[4,5-d]pyridin-1-yl)-2H-pyran-2-acetonitrile2222137-86-0C16H16N4O2
- Imidazo(1,2-a)pyridine, 3-(dimethylaminomethyl)-2-(p-nitrophenyl)-3369-09-3C16H16N4O2
- N-(4-{[3-Cyano-4-(dimethylamino)-2-pyridinyl]oxy}phenyl)acetamide341967-04-2C16H16N4O2
- N-Allyl-1,7-dimethyl-4-oxo-1,4-dihydropyrido[1,2-a]pyrrolo[2,3-d]pyrimidine-2-carboxamide896068-75-0C16H16N4O2
- N-(1H-1,2,3-Benzotriazol-1-ylmethyl)-N-(4-methoxyphenyl)acetamide300683-80-1C16H16N4O2
- 8-Cinnamyl-theophylline74039-67-1C16H16N4O2
- 5-(Furan-2-yl)-1-phenyl-N-propan-2-yltriazole-4-carboxamide950243-09-1C16H16N4O2
- 4-[4-Amino-7-(3-tetrahydrofuryl)-7H-pyrrolo[2,3-d]pyrimidin-5-yl]phenol262444-21-3C16H16N4O2
- N-{4-[(Cyclopropylcarbamoyl)methyl]phenyl}pyrazine-2-carboxamide1060263-51-5C16H16N4O2
- N-(1,3-Dihydro-2H-benzimidazol-2-ylidene)-5,6,7,8-tetrahydro-4H-cyclohepta[d][1,2]oxazole-3-carboxamide1282115-22-3C16H16N4O2
- 1,3,7-Trimethyl-8-(2-phenylethenyl)-3,7-dihydro-1H-purine-2,6-dione31377-34-1C16H16N4O2
- 4-Oxo-N-[1-(propan-2-yl)-1H-pyrazol-5-yl]-1,4-dihydroquinoline-3-carboxamide1380576-17-9C16H16N4O2
- N-[2-(1H-Indol-3-yl)ethyl]-6-methoxypyridazine-3-carboxamide1421467-29-9C16H16N4O2
- N-(6-Methoxypyrimidin-4-yl)-2-(1-methyl-1H-indol-3-yl)acetamide1421528-58-6C16H16N4O2
Frequently asked questions
What is the molar mass of C16H16N4O2?
The molar mass of C16H16N4O2 is 296.33 g/mol, calculated from standard atomic weights for 16 carbon atoms, 16 hydrogen atoms, 4 nitrogen atoms and 2 oxygen atoms. The monoisotopic mass is 296.1273 Da.
How many compounds have the formula C16H16N4O2?
CompoundList lists 306 compounds with the molecular formula C16H16N4O2, including 1,4-Diisonicotinoylpiperazine, N-(3-Imidazol-1-ylpropyl)-5-phenyl-1,2-oxazole-3-carboxamide, N-[2-(4-Methoxyphenyl)-6-methylbenzotriazol-5-yl]acetamide. 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 C16H16N4O2?
C16H16N4O2 has a degree of unsaturation of 11. 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.