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 1 to 100 of 241 compounds
Hydroxystilbamidine
CAS 495-99-8C16H16N4O
L-Histidine beta-naphthylamide
CAS 7424-15-9C16H16N4O
Y-39983 free base
CAS 199433-58-4C16H16N4O
(E)-3-Cyclopropyl-N'-((E)-3-phenylallylidene)-1H-pyrazole-5-carbohydrazide
CAS 306302-28-3C16H16N4O
![6-Amino-4-phenyl-3-propyl-1,4-dihydropyrano[2,3-c]pyrazole-5-carbonitrile chemical structure, C16H16N4O, CAS 300393-93-5](/s/GORPQIWGUYANRU-UHFFFAOYSA-N.svg)
6-Amino-4-phenyl-3-propyl-1,4-dihydropyrano[2,3-c]pyrazole-5-carbonitrile
CAS 300393-93-5C16H16N4O
![1-Benzyl-6-[2-(dimethylamino)vinyl]-4-oxo-1,4-dihydro-5-pyrimidinecarbonitrile chemical structure, C16H16N4O, CAS 1164467-30-4](/s/BMTOXJGOEYQBOF-CMDGGOBGSA-N.svg)
1-Benzyl-6-[2-(dimethylamino)vinyl]-4-oxo-1,4-dihydro-5-pyrimidinecarbonitrile
CAS 1164467-30-4C16H16N4O
![1-[2-(1H-Benzimidazol-2-yl)ethyl]-3-phenylurea chemical structure, C16H16N4O, CAS 300820-98-8](/s/DNLYTMAXKPDDDM-UHFFFAOYSA-N.svg)
1-[2-(1H-Benzimidazol-2-yl)ethyl]-3-phenylurea
CAS 300820-98-8C16H16N4O
![3-Amino-6,6-dimethyl-2-phenyl-8H-pyrano[4,5-e]pyridazine-4-carbonitrile chemical structure, C16H16N4O, CAS 185447-73-8](/s/XQJQZTOXHGIQCA-UHFFFAOYSA-N.svg)
3-Amino-6,6-dimethyl-2-phenyl-8H-pyrano[4,5-e]pyridazine-4-carbonitrile
CAS 185447-73-8C16H16N4O
![1-(3-Hydroxypropylamino)-3-methylpyrido[1,2-a]benzimidazole-4-carbonitrile chemical structure, C16H16N4O, CAS 305331-44-6](/s/BITCRPJHVZLSFC-UHFFFAOYSA-N.svg)
1-(3-Hydroxypropylamino)-3-methylpyrido[1,2-a]benzimidazole-4-carbonitrile
CAS 305331-44-6C16H16N4O
![6-Methyl-9-phenyl-5,6,7,9-tetrahydro[1,2,4]triazolo[5,1-b]quinazolin-8(4H)-one chemical structure, C16H16N4O, CAS 833429-53-1](/s/MDQVQKUDFDEWNY-UHFFFAOYSA-N.svg)
6-Methyl-9-phenyl-5,6,7,9-tetrahydro[1,2,4]triazolo[5,1-b]quinazolin-8(4H)-one
CAS 833429-53-1C16H16N4O
3-(2,4-Dimethylphenyl)-2-hydrazinyl-3,4-dihydroquinazolin-4-one
CAS 77066-13-8C16H16N4O
1-(1H-Benzimidazol-2-yl)-6,6-dimethyl-1,5,6,7-tetrahydro-4H-indazol-4-one
CAS 180141-39-3C16H16N4O
1-(2-Cyanoethyl)-3-phenyl-1-(pyridin-3-ylmethyl)urea
CAS 333759-12-9C16H16N4O
![6-Amino-4-benzyl-3-ethyl-2,4-dihydropyrano[2,3-c]pyrazole-5-carbonitrile chemical structure, C16H16N4O, CAS 445391-13-9](/s/CJCPBFSGUZXKSI-UHFFFAOYSA-N.svg)
6-Amino-4-benzyl-3-ethyl-2,4-dihydropyrano[2,3-c]pyrazole-5-carbonitrile
CAS 445391-13-9C16H16N4O
![7-(2-Furyl)-5-(4-methylphenyl)-4,5,6,7-tetrahydro[1,2,4]triazolo[1,5-a]pyrimidine chemical structure, C16H16N4O, CAS 587014-17-3](/s/IIBLPWUGNITJDU-UHFFFAOYSA-N.svg)
7-(2-Furyl)-5-(4-methylphenyl)-4,5,6,7-tetrahydro[1,2,4]triazolo[1,5-a]pyrimidine
CAS 587014-17-3C16H16N4O
![N-Benzyl-5,7-dimethylpyrazolo[1,5-a]pyrimidine-2-carboxamide chemical structure, C16H16N4O, CAS 300361-73-3](/s/IFIFOGGSXIMZSW-UHFFFAOYSA-N.svg)
N-Benzyl-5,7-dimethylpyrazolo[1,5-a]pyrimidine-2-carboxamide
CAS 300361-73-3C16H16N4O
N-(1H-Benzimidazol-2-yl)-3-(dimethylamino)benzamide
CAS 744213-07-8C16H16N4O
2-(3-Amino-1H-isoindol-1-ylidene)-3-oxo-3-(piperidin-1-yl)propanenitrile
CAS 200071-78-9C16H16N4O
![N-(5-Phenyl-2H-pyrazolo[3,4-b]pyridin-3-yl)butanamide chemical structure, C16H16N4O, CAS 405221-08-1](/s/QQLBWGXVBLHMJR-UHFFFAOYSA-N.svg)
N-(5-Phenyl-2H-pyrazolo[3,4-b]pyridin-3-yl)butanamide
CAS 405221-08-1C16H16N4O
![N-[(E)-(2-Propoxynaphthalen-1-yl)methylidene]-4H-1,2,4-triazol-4-amine chemical structure, C16H16N4O, CAS 433305-36-3](/s/HFIPIWBZGAOEIU-VXLYETTFSA-N.svg)
N-[(E)-(2-Propoxynaphthalen-1-yl)methylidene]-4H-1,2,4-triazol-4-amine
CAS 433305-36-3C16H16N4O
2-(3-Methylbut-2-enoxy)-4-(pyrimidin-2-ylamino)benzonitrile
CAS 873893-73-3C16H16N4O
![N-(5-Phenyl-1H-pyrazolo[3,4-c]pyridin-3-yl)butanamide chemical structure, C16H16N4O, CAS 439290-41-2](/s/LCFKIGOGPZGTMF-UHFFFAOYSA-N.svg)
N-(5-Phenyl-1H-pyrazolo[3,4-c]pyridin-3-yl)butanamide
CAS 439290-41-2C16H16N4O
N11-Cyclopropyl-4,N5-dimethyl-5,11-dihydro-6H-dipyrido(3,2-b:2',3'-e)(1,4)diazepin-6-one
CAS 133627-19-7C16H16N4O
2-(4-(3,5-Dimethyl-1H-pyrazol-1-yl)-6-methylpyrimidin-2-yl)phenol
CAS 312308-70-6C16H16N4O
- N-(2-(6-Amino-4-methylpyridin-2-yl)ethyl)-4-cyanobenzamide263894-93-5C16H16N4O
- 2-Cyclopropyl-5,7-dimethyl-2,4,9,15-tetraazatricyclo[9.4.0.0^{3,8}]pentadeca-1(11),3,5,7,12,14-hexaen-10-one135794-77-3C16H16N4O
- 9-(4-Methylphenyl)-5,6,7,9-tetrahydro[1,2,4]triazolo[5,1-b]quinazolin-8(4H)-one803743-80-8C16H16N4O
- 1-(4,6-Dimethylpyrimidin-2-yl)-3-(4-methylphenyl)-1H-pyrazol-5-ol890595-01-4C16H16N4O
- N,N-Dimethyl-4-(4-phenyl-1H-pyrazol-3-yl)-1H-pyrrole-2-carboxamide321553-20-2C16H16N4O
- 3-(8-Amino-3-cyclobutylimidazo[1,5-a]pyrazin-1-yl)phenol850640-17-4C16H16N4O
- C2 Pyrido[2,3-d]pyrimidin-7-one deriv. 18211245-05-5C16H16N4O
- N8 Pyrido[2,3-d]pyrimidin-7-one deriv. 39211245-04-4C16H16N4O
- N11-Cyclopentyl-5,11-dihydro-6H-dipyrido(3,2-b:2',3'-e)(1,4)diazepin-6-one133626-99-0C16H16N4O
- 2-(Phenylamino)-8-propyl-7H,8H-pyrido[2,3-d]pyrimidin-7-one211245-02-2C16H16N4O
- 1-(4-(1H-Benzo[d]imidazol-2-yl)phenyl)-3-ethylurea1206998-51-7C16H16N4O
- 2-Cyclobutyl-7-(3-methoxyphenyl)[1,2,4]triazolo[1,5-a]pyrimidine1442078-54-7C16H16N4O
- 4-Cyclopropyl-1-(2,4-dimethylphenyl)-1,6-dihydro-7H-pyrazolo[3,4-d]pyridazin-7-one1105197-25-8C16H16N4O
- 4-Cyclopropyl-1-(3,4-dimethylphenyl)-1,6-dihydro-7H-pyrazolo[3,4-d]pyridazin-7-one1105197-29-2C16H16N4O
- 1-(1H-Indazol-5-Yl)-3-(2-Phenylethyl)urea1357473-70-1C16H16N4O
- 3-(3-Ethyl-2-methyl-4-oxopyrimido[1,2-a]benzimidazol-1(4H)-yl)propanenitrile945150-95-8C16H16N4O
- 4-[[(4-Methoxyphenyl)methyl-methylamino]diazenyl]benzonitrile66975-12-0C16H16N4O
- 2-(1-Piperazinyl)-4H-pyrimido(2,1-a)isoquinolin-4-one168425-65-8C16H16N4O
- 5-(4-(Dimethylamino)phenyl)-N-phenyl-1,3,4-oxadiazol-2-amine918964-49-5C16H16N4O
- 4-(8-Amino-3-cyclobutylimidazo[1,5-a]pyrazin-1-yl)phenol931115-39-8C16H16N4O
- (R)-10A-Methyl-5,8,9,10,10a,11-hexahydro-5,6,7a,11-tetraazacyclohepta[def]cyclopenta[a]fluoren-4(7H)-one1446261-43-3C16H16N4O
- 4-Quinazolinamine, N-(6-methoxy-3-pyridinyl)-N,2-dimethyl-827031-32-3C16H16N4O
- 4-Quinazolinamine, N-(5-methoxy-2-pyridinyl)-N,2-dimethyl-827031-76-5C16H16N4O
- 3-(3-Pyridin-4-yl[2,6]naphthyridin-1-ylamino)propan-1-ol1071016-00-6C16H16N4O
- N-(1H-Benzotriazol-1-yl(4-methylphenyl)methyl)acetamide117067-49-9C16H16N4O
- 1'-Ethyl-5'-methyl-1-phenyl-1H,1'H-3,4'-bipyrazole-4-carbaldehyde1004451-71-1C16H16N4O
- N-(4-Methoxyphenyl)-N,2-dimethylpyrido[2,3-d]pyrimidin-4-amine827031-25-4C16H16N4O
- 4-(4-(1H-Indazol-3-yl)pyridin-2-yl)morpholine1627190-04-8C16H16N4O
- 3-(2,3-Dimethylphenyl)-2-hydrazinoquinazolin-4(3H)-one84772-16-7C16H16N4O
- 1'-Ethyl-3'-methyl-1-phenyl-1H,1'H-3,4'-bipyrazole-4-carbaldehyde1006483-39-1C16H16N4O
- 9-Amino-N-(2-aminoethyl)acridine-4-carboxamide89459-46-1C16H16N4O
- 2-Methyl-5-pyrrolidin-1-ylpyrazolo[1,5-a]quinazoline-3-carbaldehyde380388-49-8C16H16N4O
- 6-Oxo-4-phenyl-2-(piperidin-1-yl)-1,6-dihydropyrimidine-5-carbonitrile693233-52-2C16H16N4O
- (4-Ethoxyphenyl)(1-methylbenzimidazol-2-yl)diazene331971-10-9C16H16N4O
- (E)-N,N-Dimethyl-N'-(2-methyl-4-oxobenzo[g]quinazolin-3(4H)-yl)formimidamide304685-71-0C16H16N4O
- Pyrido(3,4-e)-1,2,4-triazine, 1,2-dihydro-1-(1-oxobutyl)-3-phenyl-76603-28-6C16H16N4O
- 5-[(4-Ethylphenoxy)methyl]-1-phenyl-1H-tetrazole881286-81-3C16H16N4O
- 6-(5-Amino-2-methylphenylamino)-3-methylquinazolin-4(3H)-one878745-42-7C16H16N4O
- Propionic acid, 2-(p-(2H-indazol-2-yl)phenyl)-, hydrazide81265-82-9C16H16N4O
- N-[1H-1,2,3-Benzotriazol-1-yl(phenyl)methyl]-N-methylacetamide147227-64-3C16H16N4O
- N-(3-(Imidazo[1,2-a]pyrimidin-2-yl)phenyl)isobutyramide847387-43-3C16H16N4O
- N-(5-{Imidazo[1,2-a]pyrimidin-2-yl}-2-methylphenyl)propanamide847387-66-0C16H16N4O
- N-(3-(3-Methylimidazo[1,2-a]pyrimidin-2-yl)phenyl)propionamide862811-53-8C16H16N4O
- 1-Naphthalen-1-yl-3-[2-(1H-pyrazol-1-yl)ethyl]urea1006357-54-5C16H16N4O
- 3-(2-Methylanilino)-4-(2-methylphenyl)-1H-1,2,4-triazol-5-one14290-34-7C16H16N4O
- 4-{1-[2-(1H-Pyrrol-1-yl)phenoxy]ethyl}-2-pyrimidinamine339098-73-6C16H16N4O
- 1-[5,7-Dimethyl-2-(4-methylphenyl)[1,2,4]triazolo[1,5-a]pyrimidin-6-yl]ethanone895360-74-4C16H16N4O
- 8-Ethyl-6-methyl-2-phenylamino-8H-pyrido[2,3-d]pyrimidin-7-one211245-44-2C16H16N4O
- Imidazo(1,2-a)pyridine-3-acetamide, 6-methyl-2-(5-methyl-2-pyridinyl)-88570-94-9C16H16N4O
- 1-(1H-Benzimidazol-2-yl)-3,6-dimethyl-1,5,6,7-tetrahydro-4H-indazol-4-one924864-49-3C16H16N4O
- 1-(1-Methyl-1H-indol-3-yl)-3-(3-methylpyridin-2-yl)urea941987-96-8C16H16N4O
- 1-(1-Methyl-1H-indol-3-yl)-3-(pyridin-2-ylmethyl)urea899947-20-7C16H16N4O
- 4-{2-[(Piperidin-4-yl)oxy]pyrimidin-5-yl}benzonitrile832735-43-0C16H16N4O
- 1,6-Dimethyl-N-(2-methylphenyl)-1H-pyrazolo[3,4-b]pyridine-4-carboxamide1011397-50-4C16H16N4O
- N-(3-(1H-Pyrrolo[2,3-b]pyridin-1-yl)propyl)picolinamide1795441-67-6C16H16N4O
- (1R,5S)-8-Azabicyclo[3.2.1]oct-2-en-8-yl(2-phenyl-2H-1,2,3-triazol-4-yl)methanone1797559-01-3C16H16N4O
- 1-(3,4-Dimethylphenyl)-3-(pyrazolo[1,5-a]pyridin-5-yl)urea2034487-23-3C16H16N4O
- 3-Cyano-N-(2-(2-cyclopropyl-1H-imidazol-1-yl)ethyl)benzamide2034478-59-4C16H16N4O
- (2R,3R)-2-(1-Benzyl-1H-pyrazol-4-yl)-1-methyl-5-oxopyrrolidine-3-carbonitrile1808896-24-3C16H16N4O
- 2-(1-Benzyl-1H-pyrazol-4-yl)-1-methyl-5-oxopyrrolidine-3-carbonitrile1803562-36-8C16H16N4O
- N-(5-Amino-2-methylphenyl)-2-(1H-benzimidazol-1-yl)acetamide436095-70-4C16H16N4O
- 2-[(E)-3-(2-Acetylanilino)-1-(dimethylamino)prop-2-enylidene]propanedinitrile338773-94-7C16H16N4O
- 6-Phenyl-9-(tetrahydro-2H-pyran-2-yl)-9H-purine175787-78-7C16H16N4O
- 1-(1-Methyl-1H-indol-3-yl)-3-(4-methylpyridin-2-yl)urea941879-48-7C16H16N4O
- 1-(1-Methyl-1H-indol-3-yl)-3-(6-methylpyridin-2-yl)urea899990-63-7C16H16N4O
- N-[2-(4-Ethylphenyl)-2H-benzotriazol-5-yl]acetamide900757-12-2C16H16N4O
- N-Desmethyl alosetron122852-63-5C16H16N4O
- 2-Cyano-3-(1-methyl-1H-pyrazol-4-yl)-N-(2-phenylethyl)prop-2-enamide1005908-39-3C16H16N4O
- 1-[2-(1H-Imidazol-1-yl)ethyl]-3-naphthalen-1-ylurea2108485-62-5C16H16N4O
- N-[2-(Propan-2-yl)-1H-benzimidazol-5-yl]pyridine-2-carboxamide1219577-97-5C16H16N4O
- 2-(1H-Benzo[d]imidazol-1-yl)-N-(2-(pyridin-4-yl)ethyl)acetamide1235666-35-9C16H16N4O
- 2-(5-Piperidin-4-yl-1,2,4-oxadiazol-3-yl)quinoline1207268-38-9C16H16N4O
- 2-Amino-4-methyl-N-(1-methyl-1H-indazol-6-yl)benzamide1797254-74-0C16H16N4O
- 4-Azido-N-(3-phenylpropyl)benzamide912838-37-0C16H16N4O
- (E)-N-((6-Cyclopropylpyrimidin-4-yl)methyl)-3-(pyridin-3-yl)acrylamide2321333-23-5C16H16N4O
- (Z)-2-Cyano-3-[2-(dimethylamino)-7-methylquinolin-3-yl]prop-2-enamide377765-00-9C16H16N4O
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 Hydroxystilbamidine, L-Histidine beta-naphthylamide, Y-39983 free base. 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.