Molecular formula
C16H16N4O
241 compounds have this formula on CompoundList.
- Molar mass
- 280.33g/mol
- Monoisotopic mass
- 280.1324Da
- Atoms
- 37
- Elements
- 4
- Rings plus double bonds
- 11
The formula C16H16N4O describes a molecule made of 16 carbon atoms, 16 hydrogen atoms, 4 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 × 1668.55%12.011 × 16 = 192.176 g/mol
- H Hydrogen × 165.75%1.008 × 16 = 16.128 g/mol
- N Nitrogen × 419.99%14.007 × 4 = 56.028 g/mol
- O Oxygen × 15.71%15.999 × 1 = 15.999 g/mol
Look up another formula
Compounds with the formula C16H16N4O
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 101 to 200 of 241 compounds
![1-(2,3-Dimethylphenyl)-5-prop-2-enylpyrazolo[3,4-d]pyrimidin-4-one chemical structure, C16H16N4O, CAS 897623-17-5](/s/GALRRITVDLNNRJ-UHFFFAOYSA-N.svg)
1-(2,3-Dimethylphenyl)-5-prop-2-enylpyrazolo[3,4-d]pyrimidin-4-one
CAS 897623-17-5C16H16N4O
![Benzenemethanol, 4-[8-(cyclopropylamino)imidazo[1,2-a]pyrazin-3-yl]- chemical structure, C16H16N4O, CAS 825630-01-1](/s/BYJNTQHXRMSXHP-UHFFFAOYSA-N.svg)
Benzenemethanol, 4-[8-(cyclopropylamino)imidazo[1,2-a]pyrazin-3-yl]-
CAS 825630-01-1C16H16N4O
![N-Methyl-2-[(phenylmethyl)amino]-1H-benzimidazole-1-carboxamide chemical structure, C16H16N4O, CAS 83792-79-4](/s/IXNSPECWPXBKLJ-UHFFFAOYSA-N.svg)
N-Methyl-2-[(phenylmethyl)amino]-1H-benzimidazole-1-carboxamide
CAS 83792-79-4C16H16N4O
![6-{(E)-2-[4-(1H-Imidazol-1-yl)phenyl]ethen-1-yl}-5-methyl-4,5-dihydropyridazin-3(2H)-one chemical structure, C16H16N4O, CAS 98326-49-9](/s/UTFHUSQMIQXHOM-QPJJXVBHSA-N.svg)
6-{(E)-2-[4-(1H-Imidazol-1-yl)phenyl]ethen-1-yl}-5-methyl-4,5-dihydropyridazin-3(2H)-one
CAS 98326-49-9C16H16N4O
1-(1-Methyl-1H-indol-3-yl)-3-(pyridin-3-ylmethyl)urea
CAS 899990-39-7C16H16N4O
N1-(1H-5-Indazolyl)-2-(benzylamino)acetamide
CAS 353547-48-5C16H16N4O
N-(1-Cyanocyclobutyl)-N-methyl-1-phenyl-1H-pyrazole-3-carboxamide
CAS 1281035-03-7C16H16N4O
![4-(Morpholin-4-yl)-7-phenyl-5H-pyrrolo[3,2-d]pyrimidine chemical structure, C16H16N4O, CAS 1189491-55-1](/s/AWBBVUZXKGDPBA-UHFFFAOYSA-N.svg)
4-(Morpholin-4-yl)-7-phenyl-5H-pyrrolo[3,2-d]pyrimidine
CAS 1189491-55-1C16H16N4O
![7-Methyl-3-(4,5,6,7-tetrahydro-1H-imidazo[4,5-c]pyridin-4-yl)quinolin-2-ol chemical structure, C16H16N4O, CAS 1269106-57-1](/s/JRMJSKUSBUICPN-UHFFFAOYSA-N.svg)
7-Methyl-3-(4,5,6,7-tetrahydro-1H-imidazo[4,5-c]pyridin-4-yl)quinolin-2-ol
CAS 1269106-57-1C16H16N4O
![Urea, N-cyclopropyl-N'-[4-(2-phenyldiazenyl)phenyl]- chemical structure, C16H16N4O, CAS 1390924-27-2](/s/GUJSAIZMRBQLAU-UHFFFAOYSA-N.svg)
Urea, N-cyclopropyl-N'-[4-(2-phenyldiazenyl)phenyl]-
CAS 1390924-27-2C16H16N4O
3-Methyl-4-(2-(1-methyl-1H-pyrazol-4-yl)pyridin-4-yloxy)benzenamine
CAS 1020173-34-5C16H16N4O
5-(5-Amino-4-methyl-1-phenyl-1H-pyrazol-3-yl)-1-methyl-2(1H)-pyridinone
CAS 1414581-58-0C16H16N4O
![1-(Pyrazolo[1,5-a]pyridin-3-ylmethyl)-3-(o-tolyl)urea chemical structure, C16H16N4O, CAS 1396847-48-5](/s/FMLHOCKRYIZXKO-UHFFFAOYSA-N.svg)
1-(Pyrazolo[1,5-a]pyridin-3-ylmethyl)-3-(o-tolyl)urea
CAS 1396847-48-5C16H16N4O
4-Cyano-N-((5-cyclopropyl-1-methyl-1H-pyrazol-3-yl)methyl)benzamide
CAS 1448052-51-4C16H16N4O
N-(1-Cyanocyclopropyl)-2-(2-cyclopropyl-1H-1,3-benzodiazol-1-yl)acetamide
CAS 1423758-24-0C16H16N4O
![N-(3-(1H-Pyrrolo[2,3-b]pyridin-1-yl)propyl)nicotinamide chemical structure, C16H16N4O, CAS 1798542-68-3](/s/WIIZTBXOKVIRSY-UHFFFAOYSA-N.svg)
N-(3-(1H-Pyrrolo[2,3-b]pyridin-1-yl)propyl)nicotinamide
CAS 1798542-68-3C16H16N4O
![N-(3-(1H-Pyrrolo[2,3-b]pyridin-1-yl)propyl)isonicotinamide chemical structure, C16H16N4O, CAS 1788830-95-4](/s/CUFSZUZEWSDMBM-UHFFFAOYSA-N.svg)
N-(3-(1H-Pyrrolo[2,3-b]pyridin-1-yl)propyl)isonicotinamide
CAS 1788830-95-4C16H16N4O
![N-(2-Methylpyrazolo[1,5-a]pyrimidin-6-yl)-2-(m-tolyl)acetamide chemical structure, C16H16N4O, CAS 1797679-49-2](/s/KYICNKBYOKTSGE-UHFFFAOYSA-N.svg)
N-(2-Methylpyrazolo[1,5-a]pyrimidin-6-yl)-2-(m-tolyl)acetamide
CAS 1797679-49-2C16H16N4O
4-(5-Amino-4-methyl-1-phenyl-1H-pyrazol-3-yl)-1-methyl-2(1H)-pyridinone
CAS 1424959-68-1C16H16N4O
![4-Phenyl-N-{pyrazolo[1,5-a]pyrimidin-6-yl}butanamide chemical structure, C16H16N4O, CAS 2034583-97-4](/s/HEBRSFFAVBPMJC-UHFFFAOYSA-N.svg)
4-Phenyl-N-{pyrazolo[1,5-a]pyrimidin-6-yl}butanamide
CAS 2034583-97-4C16H16N4O
![3-Cyano-N-((4,5,6,7-tetrahydropyrazolo[1,5-a]pyridin-3-yl)methyl)benzamide chemical structure, C16H16N4O, CAS 2034245-95-7](/s/ABCLNFYWSVYXAV-UHFFFAOYSA-N.svg)
3-Cyano-N-((4,5,6,7-tetrahydropyrazolo[1,5-a]pyridin-3-yl)methyl)benzamide
CAS 2034245-95-7C16H16N4O
![2-(Pyridin-3-yl)-1-{4,6,12-triazatricyclo[7.2.1.0^{2,7}]dodeca-2(7),3,5-trien-12-yl}ethan-1-one chemical structure, C16H16N4O, CAS 1903442-19-2](/s/DTUZWCHWXILYQJ-UHFFFAOYSA-N.svg)
2-(Pyridin-3-yl)-1-{4,6,12-triazatricyclo[7.2.1.0^{2,7}]dodeca-2(7),3,5-trien-12-yl}ethan-1-one
CAS 1903442-19-2C16H16N4O
![1-Ethyl-7-[(5-methyl-2-pyridinyl)amino]-1,6-naphthyridin-2-one chemical structure, C16H16N4O, CAS 1588422-71-2](/s/KZUZUHYCQRMNSN-UHFFFAOYSA-N.svg)
1-Ethyl-7-[(5-methyl-2-pyridinyl)amino]-1,6-naphthyridin-2-one
CAS 1588422-71-2C16H16N4O
![1-(6,7-Dihydropyrazolo[1,5-a]pyrazin-5(4H)-yl)-2-(1H-indol-3-yl)ethanone chemical structure, C16H16N4O, CAS 2034236-95-6](/s/QSYJPDPUWDNODT-UHFFFAOYSA-N.svg)
1-(6,7-Dihydropyrazolo[1,5-a]pyrazin-5(4H)-yl)-2-(1H-indol-3-yl)ethanone
CAS 2034236-95-6C16H16N4O
- N-(2-(2H-1,2,3-Triazol-2-yl)ethyl)-2-(naphthalen-1-yl)acetamide2097892-34-5C16H16N4O
- (2S,3S)-2-(1-Benzylpyrazol-4-yl)-1-methyl-5-oxopyrrolidine-3-carbonitrile1807912-26-0C16H16N4O
- 4-[6-Hydroxy-1-(propan-2-yl)-4,5-dihydro-1H-pyrazolo[3,4-b]pyridin-4-yl]benzonitrile1310935-86-4C16H16N4O
- (E)-2-Cyano-3-(1-methylimidazol-4-yl)-N-(2-phenylethyl)prop-2-enamide1808702-71-7C16H16N4O
- 2-Phenyl-7-(piperidin-1-yl)[1,3]oxazolo[5,4-d]pyrimidine33360-24-6C16H16N4O
- (2E)-2-(3-Aminoisoindol-1-ylidene)-3-oxo-3-piperidin-1-ylpropanenitrileC16H16N4O
- N-[3-([1,2,4]Triazolo[4,3-a]pyridin-3-yl)propyl]benzamide630066-68-1C16H16N4O
- 2-(3-Aminoisoindol-1-ylidene)-3-oxo-3-piperidin-1-ylpropanenitrileC16H16N4O
- (E)-N-[4-(2,2-Dicyanoethenylamino)phenyl]-4-methylpent-2-enamide1025511-06-1C16H16N4O
- 4-(2-Cyanoethyl)-4-(pyridine-2-carbonyl)heptanedinitrile865074-41-5C16H16N4O
- N-[2-(1H-Benzimidazol-2-yl)ethyl]-6-methyl-3-pyridinecarboxamide1154100-38-5C16H16N4O
- 4-(4-Acetyl-1-piperazinyl)-3-quinolinecarbonitrile1156318-37-4C16H16N4O
- N-{2-[4-(1H-pyrazol-1-yl)phenyl]ethyl}-1H-pyrrole-3-carboxamide1333756-40-3C16H16N4O
- N-Methyl-4-[[2-(1-methyl-1H-pyrazol-4-yl)-4-pyridinyl]oxy]benzenamine943314-91-8C16H16N4O
- 4-(3-Amino-5-morpholinopyridin-2-yl)benzonitrile1259442-85-7C16H16N4O
- N-Phenyl-4-([1,2,4]triazolo[4,3-a]pyridin-3-yl)butanamide1351696-30-4C16H16N4O
- 3-(4-Amino-6-morpholinopyridin-3-yl)benzonitrile1354289-58-9C16H16N4O
- N1-(7-methoxy-1,5-naphthyridin-4-yl)-N1-methylbenzene-1,4-diamine1071540-19-6C16H16N4O
- 4,4'-(1,3,4-Oxadiazole-2,5-diyl)bis(2-methylaniline)170146-28-8C16H16N4O
- N-{2-Methylpyrazolo[1,5-a]pyrimidin-6-yl}-3-phenylpropanamide1796964-36-7C16H16N4O
- {1-[4-(Benzyloxy)phenyl]-1H-1,2,3-triazol-4-yl}methanamine1329769-59-6C16H16N4O
- N-(4-Amino-3-methylphenyl)-1-methyl-1H-indazole-3-carboxamide1969883-82-6C16H16N4O
- (E)-3-Phenyl-1-(3-(pyrimidin-2-ylamino)azetidin-1-yl)prop-2-en-1-one2035018-40-5C16H16N4O
- N-(1-Cyanocyclohexyl)-1,7-naphthyridine-3-carboxamide1951682-10-2C16H16N4O
- (Z)-2-Cyano-N-(2,4-dimethylphenyl)-3-(1-methylimidazol-4-yl)prop-2-enamide1808894-38-3C16H16N4O
- 5,7,8,9-Tetrahydro-5-methyl-3-phenyl-pyrido[3',2':4,5]imidazo[1,2-a]pyrimidin-7-ol887904-51-0C16H16N4O
- N-(2-Cyano-4-phenylbutan-2-yl)pyrimidine-5-carboxamide2418728-47-7C16H16N4O
- N-Cyclopropyl-N-[[4-(1,2,4-triazol-1-yl)phenyl]methyl]but-2-ynamide2411224-67-2C16H16N4O
- N-[1-[1-(4-Cyanophenyl)-5-methylpyrazol-4-yl]ethyl]prop-2-enamide2411294-70-5C16H16N4O
- 3-{3-[(4-Methyl-1H-pyrazol-1-yl)methyl]azetidine-1-carbonyl}benzonitrile2549055-30-1C16H16N4O
- N-(3-Ethoxyphenyl)-1-phenyl-1H-1,2,4-triazol-3-amine844889-24-3C16H16N4O
- 3-(1-Phenyl-1H-pyrazolo[3,4-d]pyrimidin-4-yl)pentan-2-one62141-16-6C16H16N4O
- N-((1-Phenyl-5-(1H-pyrrol-1-yl)-1H-pyrazol-4-yl)methyl)acetamide95834-07-4C16H16N4O
- 2-Amino-8-ethyl-4-methyl-6-phenylpyrido[2,3-d]pyrimidin-7(8H)-one934494-73-2C16H16N4O
- 2-(4-Methoxybenzyl)-8,9-dihydro-7H-cyclopenta[e][1,2,4]triazolo[1,5-c]pyrimidine916038-80-7C16H16N4O
- 1-(1-Ethyl-1H-indol-3-yl)-3-(pyridin-2-yl)urea899753-86-7C16H16N4O
- N-(3-(Aminomethyl)benzyl)-1H-indazole-5-carboxamide478830-27-2C16H16N4O
- N-(4-(Aminomethyl)benzyl)-1H-indazole-5-carboxamide478830-25-0C16H16N4O
- N-(2-(2-Methoxyphenyl)-3H-benzo[d]imidazol-5-yl)acetamidine863770-74-5C16H16N4O
- 2-[4-(Pyridin-2-yl)piperazin-1-yl]-1,3-benzoxazole1007307-50-7C16H16N4O
- 1-Ethyl-N-(2-methylquinolin-5-yl)-1H-pyrazole-3-carboxamide1210464-67-7C16H16N4O
- 4-Ethoxy-6-(2-methylphenyl)pyrido[3,2-d]pyrimidin-2-amine917759-85-4C16H16N4O
- 1-(4-(4-(Aminomethyl)-5-methyl-1H-imidazol-1-yl)phenyl)pyridin-2(1H)-one955133-49-0C16H16N4O
- (Z)-1-Cyano-3-(4-(dimethylamino)phenyl)-2-phenylisourea700805-33-0C16H16N4O
- 3-(2-Benzoxazolylphenylamino)propanimidamide1184246-82-9C16H16N4O
- 4-[(2-Phenylethyl)amino]-1H-pyrrolo[2,3-b]pyridine-5-carboxamide920960-09-4C16H16N4O
- N-[2-(3-Methoxyphenyl)-3H-benzimidazol-5-yl]acetamidine1056140-41-0C16H16N4O
- N-[2-(4-Methoxyphenyl)-3H-benzimidazol-5-yl]acetamidine1056140-26-1C16H16N4O
- 4-Isopropoxy-6-pyridin-3-yl-quinazolin-2-ylamine1003571-60-5C16H16N4O
- 4-Ethoxy-6-(4-methylphenyl)pyrido[3,2-d]pyrimidin-2-amine917759-10-5C16H16N4O
- 2-(Methoxymethyl)-5-methyl-6-(7-quinolinyl)-4-pyrimidinamine852061-89-3C16H16N4O
- 3-[2-(3-Methoxy-1-azetidinyl)-4-pyridinyl]-1H-indazole1627190-71-9C16H16N4O
- N3-(7-methoxy-quinazolin-4-yl)-4-methyl-benzene-1,3-diamine942507-98-4C16H16N4O
- 1-(4-Methoxybenzyl)-1H-indazole-3-carboximidamide1429747-31-8C16H16N4O
- 2-Benzyl-N-[(5-methyloxazol-4-yl)methyl]pyrimidin-4-amine1798696-16-8C16H16N4O
- (E)-2-Cyano-3-(1-methylpyrazol-4-yl)-N-(1-phenylethyl)prop-2-enamide1005871-31-7C16H16N4O
- 1-Phenyl-3-({pyrido[2,3-d]pyrimidin-4-yl}amino)propan-1-ol2058594-63-9C16H16N4O
- 5-(Azetidin-3-yl)-3-(phenyl(1H-pyrrol-1-yl)methyl)-1,2,4-oxadiazole2097988-53-7C16H16N4O
- 2-(5-Benzyl-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrazin-2-yl)oxazole2033041-18-6C16H16N4O
- 2-[1-(Pyrimidin-2-yl)piperidin-3-yl]-1,3-benzoxazole2322156-84-1C16H16N4O
- 6-[6-(Dimethylamino)-5-(1H-pyrrol-2-yl)pyrimidin-2(1H)-ylidene]cyclohexa-2,4-dien-1-one823796-29-8C16H16N4O
- 11-Benzyl-2,3,7,11-tetraazatricyclo[7.4.0.0,2,6]trideca-1(9),3,5,7-tetraen-8-ol1880831-10-6C16H16N4O
- 1-Phenyl-3-({pyrido[3,4-d]pyrimidin-4-yl}amino)propan-2-ol2380141-86-4C16H16N4O
- N-(1-Cyanocyclobutyl)-5-methyl-2-phenyl-1H-imidazole-4-carboxamide2305360-27-2C16H16N4O
- 1-Phenyl-3-({pyrido[3,4-d]pyrimidin-4-yl}amino)propan-1-ol2380080-22-6C16H16N4O
- N-(2,4-Dimethylphenyl)-2-methylimidazo[1,2-b]pyridazine-6-carboxamide2640965-15-5C16H16N4O
- N-(2,5-Dimethylphenyl)-2-methylimidazo[1,2-b]pyridazine-6-carboxamide2640822-39-3C16H16N4O
- N-(3,4-Dimethylphenyl)-2-methylimidazo[1,2-b]pyridazine-6-carboxamide2640893-60-1C16H16N4O
- N-(3,5-Dimethylphenyl)-2-methylimidazo[1,2-b]pyridazine-6-carboxamide2640948-77-0C16H16N4O
- Benzenamine, N-[2-(dimethylamino)ethylidene]-3-oxazolo[4,5-b]pyridin-2-yl-52334-93-7C16H16N4O
- 1H-Pyrido[3,4-b]indole, 2,3,4,9-tetrahydro-6-methoxy-2-(2-pyrimidinyl)-2201050-84-0C16H16N4O
- N-[(4-Methoxyphenyl)methyl]-N-methylpyrido[3,4-d]pyrimidin-4-amine2877721-15-6C16H16N4O
- 4-({1-[(6-Methylpyridin-2-yl)methyl]azetidin-3-yl}oxy)pyridine-2-carbonitrile2877720-47-1C16H16N4O
- 6-Methyl-2-{3-[(pyridin-3-yloxy)methyl]azetidin-1-yl}pyridine-3-carbonitrile2877664-74-7C16H16N4O
- 6-[3-(Pyridin-3-yloxy)piperidin-1-yl]pyridine-3-carbonitrile2877637-01-7C16H16N4O
- 2-[3-(Pyridin-3-yloxy)piperidin-1-yl]pyridine-3-carbonitrile2877633-95-7C16H16N4O
Frequently asked questions
What is the molar mass of C16H16N4O?
The molar mass of C16H16N4O is 280.33 g/mol, calculated from standard atomic weights for 16 carbon atoms, 16 hydrogen atoms, 4 nitrogen atoms and 1 oxygen atom. The monoisotopic mass is 280.1324 Da.
How many compounds have the formula C16H16N4O?
CompoundList lists 241 compounds with the molecular formula C16H16N4O, including 1-(2,3-Dimethylphenyl)-5-prop-2-enylpyrazolo[3,4-d]pyrimidin-4-one, Benzenemethanol, 4-[8-(cyclopropylamino)imidazo[1,2-a]pyrazin-3-yl]-, N-Methyl-2-[(phenylmethyl)amino]-1H-benzimidazole-1-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 C16H16N4O?
C16H16N4O 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.