Molecular formula
C12H9N3O
331 compounds have this formula on CompoundList.
- Molar mass
- 211.22g/mol
- Monoisotopic mass
- 214.0934Da
- Atoms
- 25
- Elements
- 4
- Rings plus double bonds
- 10
The formula C12H9N3O describes a molecule made of 12 carbon atoms, 9 hydrogen atoms, 3 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 × 1268.24%12.011 × 12 = 144.132 g/mol
- H Hydrogen × 94.29%1.008 × 9 = 9.072 g/mol
- N Nitrogen × 319.89%14.007 × 3 = 42.021 g/mol
- O Oxygen × 17.57%15.999 × 1 = 15.999 g/mol
Look up another formula
Compounds with the formula C12H9N3O
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 101 to 200 of 331 compounds
![3-[(5-Aminopyridin-2-yl)oxy]benzonitrile chemical structure, C12H9N3O, CAS 1016705-78-4](/s/OZVJUKSPQVNLQT-UHFFFAOYSA-N.svg)
3-[(5-Aminopyridin-2-yl)oxy]benzonitrile
CAS 1016705-78-4C12H9N3O
![2-(Pyridin-4-yl)benzo[d]oxazol-6-amine chemical structure, C12H9N3O, CAS 154851-84-0](/s/GMEJXSRGFRIIJZ-UHFFFAOYSA-N.svg)
2-(Pyridin-4-yl)benzo[d]oxazol-6-amine
CAS 154851-84-0C12H9N3O
3-(2-Furyl)-5-phenyl-4H-1,2,4-triazole
CAS 114953-90-1C12H9N3O
![4-[(5-Aminopyridin-2-yl)oxy]benzonitrile chemical structure, C12H9N3O, CAS 125125-29-3](/s/LSLVSYKUKNPQNE-UHFFFAOYSA-N.svg)
4-[(5-Aminopyridin-2-yl)oxy]benzonitrile
CAS 125125-29-3C12H9N3O
![2'-Methyl-6'-oxo-1',6'-dihydro-[2,3'-bipyridine]-5'-carbonitrile chemical structure, C12H9N3O, CAS 106637-42-7](/s/RNDMGBQAVCPZSB-UHFFFAOYSA-N.svg)
2'-Methyl-6'-oxo-1',6'-dihydro-[2,3'-bipyridine]-5'-carbonitrile
CAS 106637-42-7C12H9N3O
N-(1H-Benzimidazol-2-yl)-1-(furan-2-yl)methanimine
CAS 58413-90-4C12H9N3O
5-Naphthyl-1,2,4-oxadiazole-3-ylamine
CAS 1092333-15-7C12H9N3O
4-(4-Formyl-1-methyl-1H-pyrazol-3-yl)benzonitrile
CAS 1152508-50-3C12H9N3O
![4-Pyrazolo[1,5-a]pyrimidin-3-ylphenol chemical structure, C12H9N3O, CAS 1309217-67-1](/s/RILMOLPAVZATAT-UHFFFAOYSA-N.svg)
4-Pyrazolo[1,5-a]pyrimidin-3-ylphenol
CAS 1309217-67-1C12H9N3O
3-(Quinolin-6-yl)-1,2-oxazol-5-amine
CAS 1343977-48-9C12H9N3O
![7-Phenylpyrrolo[2,1-F][1,2,4]triazin-2-ol chemical structure, C12H9N3O, CAS 1318629-63-8](/s/FRBNBMUFXLIODE-UHFFFAOYSA-N.svg)
7-Phenylpyrrolo[2,1-F][1,2,4]triazin-2-ol
CAS 1318629-63-8C12H9N3O
8-Aminophenazin-2-ol
CAS 6364-21-2C12H9N3O
4-Hydroxy-6-methyl-2-phenylpyrimidine-5-carbonitrile
CAS 82114-04-3C12H9N3O
6-Amino-2-phenazinol
CAS 18450-04-9C12H9N3O
![6-Phenyl-4-hydroxy-7H-pyrrolo[2,3-d]pyrimidine chemical structure, C12H9N3O, CAS 173458-99-6](/s/GAMJQSLUWWEVCN-UHFFFAOYSA-N.svg)
6-Phenyl-4-hydroxy-7H-pyrrolo[2,3-d]pyrimidine
CAS 173458-99-6C12H9N3O
Smarca2-IN-1
CAS 2568055-21-8C12H9N3O
Propanedinitrile, (2,3-dihydro-1-methyl-2-oxo-1H-indol-3-yl)-
CAS 634164-13-9C12H9N3O
![7-Phenyl[1,2,4]triazolo[1,5-a]pyridin-5(3H)-one chemical structure, C12H9N3O, CAS 66066-67-9](/s/AYIPQDXLIFHGBB-UHFFFAOYSA-N.svg)
7-Phenyl[1,2,4]triazolo[1,5-a]pyridin-5(3H)-one
CAS 66066-67-9C12H9N3O
5-(1H-Imidazol-1-ylcarbonyl)-1H-indole
CAS 103790-94-9C12H9N3O
2-((5-Formyl-1H-imidazol-1-yl)methyl)benzonitrile
CAS 655235-91-9C12H9N3O
![Benzonitrile, 4-[(1-methyl-1H-imidazol-5-yl)carbonyl]- chemical structure, C12H9N3O, CAS 443920-37-4](/s/YYLHZLOUPLZTDX-UHFFFAOYSA-N.svg)
Benzonitrile, 4-[(1-methyl-1H-imidazol-5-yl)carbonyl]-
CAS 443920-37-4C12H9N3O
4-(6-Aminopyridin-2-yloxy)-benzonitrile
CAS 400775-48-6C12H9N3O
![2-(Pyridin-3-yl)benzo[d]oxazol-6-amine chemical structure, C12H9N3O, CAS 61382-12-5](/s/VMTFHTQJCVKSIV-UHFFFAOYSA-N.svg)
2-(Pyridin-3-yl)benzo[d]oxazol-6-amine
CAS 61382-12-5C12H9N3O
6-(4-Aminophenoxy)pyridine-3-carbonitrile
CAS 1094672-05-5C12H9N3O
- 2-(1H-Pyrazol-1-yl)quinolin-8-ol648896-32-6C12H9N3O
- 4-Ethenyl-6-(methyloxy)-1,5-naphthyridine-3-carbonitrile872714-55-1C12H9N3O
- 4-(2-Amino-pyridin-4-yloxy)-benzonitrile1289189-82-7C12H9N3O
- 2-[(2-Hydroxyphenyl)amino]pyridine-3-carbonitrile1803581-53-4C12H9N3O
- 4-([1,2,4]Triazolo[4,3-a]pyridin-3-yl)phenol859500-99-5C12H9N3O
- 3-Phenylimidazo[1,5-a]pyrazin-1-ol793693-38-6C12H9N3O
- 9-Aminophenazin-2-ol71662-30-1C12H9N3O
- 9H-Pyrido[3,4-b]indole-3-carboxaldehyde oxime83909-88-0C12H9N3O
- 9H-Pyrido(3,4-b)indole, 1-methyl-9-nitroso-90540-35-5C12H9N3O
- 6-Amino-2-hydroxy-5-phenylnicotinonitrile77609-05-3C12H9N3O
- 6-Methyl-2-oxo-4-pyridin-4-yl-1H-pyridine-3-carbonitrile118803-96-6C12H9N3O
- 4-Methyl-2-oxo-6-pyridin-4-yl-1H-pyridine-3-carbonitrile118803-97-7C12H9N3O
- 5-(Pyridin-3-yl)-1H-pyrrolo[2,3-b]pyridin-2(3H)-one371758-70-2C12H9N3O
- 1-Azido-4-phenoxybenzene85862-67-5C12H9N3O
- 6-Oxo-2-(p-tolyl)-1,6-dihydropyrimidine-5-carbonitrile861545-51-9C12H9N3O
- 5-(Isoquinolin-6-yl)isoxazol-3-amine1105710-07-3C12H9N3O
- 4-(6-Cyano-2-pyridyloxy)aniline1342731-28-5C12H9N3O
- 5-(4-Aminophenoxy)pyridine-2-carbonitrile1547551-62-1C12H9N3O
- 1H-Perimidine-2-carboxamide20957-19-1C12H9N3O
- 5-(5-Formyl-1-methyl-1H-pyrrol-2-yl)nicotinonitrile1393709-49-3C12H9N3O
- 1-(Prop-2-yn-1-yl)-3-(pyridin-2-yl)-1H-pyrazole-5-carbaldehyde2092051-95-9C12H9N3O
- 1-(Prop-2-yn-1-yl)-3-(pyridin-3-yl)-1H-pyrazole-5-carbaldehyde2092721-88-3C12H9N3O
- 6-(Furan-2-yl)-1-(prop-2-yn-1-yl)-1H-imidazo[1,2-b]pyrazole2098030-75-0C12H9N3O
- 6-(Furan-3-yl)-1-(prop-2-yn-1-yl)-1H-imidazo[1,2-b]pyrazole2098011-41-5C12H9N3O
- 1-(4-Aminophenyl)-2-oxopyridine-3-carbonitrile2140305-36-6C12H9N3O
- 2-Aminobenzo[g]quinazolin-4(3H)-one33987-05-2C12H9N3O
- 1-Phenyl-7H-pyrazolo[5,4-b]pyridin-6-one344791-99-7C12H9N3O
- 3H-Phenoxazin-7-amine, 3-imino-63517-17-9C12H9N3O
- Pyrazolo[1,5-a]pyrimidin-2(1H)-one,3-phenyl-140706-30-5C12H9N3O
- 1-(3-Azido-2-naphthalenyl)ethanone65948-30-3C12H9N3O
- Methanone, 1H-imidazol-1-yl-1H-indol-4-yl-65923-24-2C12H9N3O
- 6-Amino-11H-pyrido[2,1-B]quinazolin-11-one88369-59-9C12H9N3O
- 4-Methoxy-5-phenyl-2-pyrimidinecarbonitrile114969-86-7C12H9N3O
- 1 suppliers8-Hydroxy-6-phenylimidazo[1,2-a]pyrazine108418-79-7C12H9N3O
- Pyridazino[3,4-b]quinolin-5(10H)-one, 10-methyl-112584-63-1C12H9N3O
- 2-Azido-1-(naphthalen-1-yl)ethan-1-one116855-50-6C12H9N3O
- 6-(1H-Imidazol-1-yl)-2-hydroxy-quinoline102791-37-7C12H9N3O
- 3-(Pyridin-3-yloxy)-5-cyano-aniline565204-45-7C12H9N3O
- 1-Phenyl-1H-[1,2,4]triazolo[4,3-a]pyridin-4-ium-3-olate4231-55-4C12H9N3O
- 2-(4-Formyl-3-phenyl-1H-pyrazol-1-yl)acetonitrile887408-05-1C12H9N3O
- 7-(1H-Imidazol-1-yl)isoquinolin-1(2H)-one1269258-08-3C12H9N3O
- 5-(1-Benzofuran-2-yl)pyrimidin-2-amine1269198-62-0C12H9N3O
- 2-Pyrazinamine, 5-(2-benzofuranyl)-1255636-00-0C12H9N3O
- 3-(4-(Hydroxymethyl)phenyl)pyrazine-2-carbonitrile724441-49-0C12H9N3O
- 3-(Isoquinolin-6-yl)isoxazol-5-amine1105710-01-7C12H9N3O
- 2-(4-(4-Hydroxypyrimidin-2-yl)phenyl)acetonitrile1266479-94-0C12H9N3O
- 5-Phenylfuro[2,3-d]pyrimidin-4-amine873306-42-4C12H9N3O
- 4-Methoxy-2-(pyrimidin-2-yl)benzonitrile1403747-53-4C12H9N3O
- 5-Phenylimidazo[1,5-a]pyrazin-8(7H)-one849199-59-3C12H9N3O
- 3-(Quinolin-2-yl)-1,2-oxazol-5-amine119162-56-0C12H9N3O
- 4-(Furan-2-yl)-1-phenyl-1H-1,2,3-triazole1577187-90-6C12H9N3O
- 2-(5-Phenyl-1,3-oxazolidin-2-ylidene)malononitrile1802144-14-4C12H9N3O
- 4-(p-Tolyloxy)pyrimidine-5-carbonitrile1799579-65-9C12H9N3O
- 1-(Prop-2-yn-1-yl)-3-(pyridin-4-yl)-1H-pyrazole-5-carbaldehyde2090966-86-0C12H9N3O
- 1-(Prop-2-yn-1-yl)-3-(pyridin-2-yl)-1H-pyrazole-4-carbaldehyde2091653-86-8C12H9N3O
- 1-(Prop-2-yn-1-yl)-3-(pyridin-3-yl)-1H-pyrazole-4-carbaldehyde2092061-95-3C12H9N3O
- 1-(Prop-2-yn-1-yl)-3-(pyridin-4-yl)-1H-pyrazole-4-carbaldehyde2091653-88-0C12H9N3O
- 1-(Prop-2-yn-1-yl)-1H,4H-chromeno[3,4-d][1,2,3]triazole2098078-44-3C12H9N3O
- 4-[(6-Methylpyrazin-2-yl)oxy]benzonitrile910037-21-7C12H9N3O
- 1-Benzyl-6-oxo-1,6-dihydropyridazine-3-carbonitrile2253591-60-3C12H9N3O
- 4-(7H-Pyrrolo[2,3-d]pyrimidin-4-yl)phenol1269084-15-2C12H9N3O
- 4-(1,3-Dihydro-2H-imidazo[4,5-b]pyridin-2-ylidene)cyclohexa-2,5-dien-1-one53929-92-3C12H9N3O
- 5-Amino-3-(3-isoquinolyl)isoxazole2881296-30-4C12H9N3O
- 3-(2-Benzoxazolyl)-2-pyridinamine1001986-01-1C12H9N3O
- 2-(Oxazolo[4,5-b]pyridin-2-yl)aniline95308-00-2C12H9N3O
- Oxazole, 2-[2-(1H-imidazol-2-yl)phenyl]-824394-96-9C12H9N3O
- Carbamimidic acid, cyano-, 1-naphthalenyl ester3277-42-7C12H9N3O
- 2-Cyano-5-(p-methoxyphenyl)pyrimidine106307-54-4C12H9N3O
- 2-(4-Methyl-2-pyridinyl)oxazolo[4,5-b]pyridine110878-76-7C12H9N3O
- 2-(6-Methyl-pyridin-3-yl)-oxazolo[4,5-b]pyridine120623-52-1C12H9N3O
- 4-(1-Methyl-1H-imidazole-2-carbonyl)benzonitrile954272-45-8C12H9N3O
- 1-(2H-Pyrazolo[4,3-f]quinolin-2-yl)ethanone61317-49-5C12H9N3O
- 1-(3H-Pyrazolo[4,3-f]quinolin-3-yl)ethan-1-one61317-48-4C12H9N3O
- 4-(2-Methoxypyrimidin-5-yl)benzonitrile1101167-60-5C12H9N3O
- 6-Hydroxymethyl-6'-cyano-2,2'-bipyridine1185306-48-2C12H9N3O
- 5-Hydroxymethyl-6'-cyano-2,2'-bipyridine1185306-62-0C12H9N3O
Frequently asked questions
What is the molar mass of C12H9N3O?
The molar mass of C12H9N3O is 211.22 g/mol, calculated from standard atomic weights for 12 carbon atoms, 9 hydrogen atoms, 3 nitrogen atoms and 1 oxygen atom. The monoisotopic mass is 214.0934 Da.
How many compounds have the formula C12H9N3O?
CompoundList lists 331 compounds with the molecular formula C12H9N3O, including 3-[(5-Aminopyridin-2-yl)oxy]benzonitrile, 2-(Pyridin-4-yl)benzo[d]oxazol-6-amine, 3-(2-Furyl)-5-phenyl-4H-1,2,4-triazole. 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 C12H9N3O?
C12H9N3O has a degree of unsaturation of 10. 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.