Molecular formula
C16H12N4O
75 compounds have this formula on CompoundList.
- Molar mass
- 276.30g/mol
- Monoisotopic mass
- 276.1011Da
- Atoms
- 33
- Elements
- 4
- Rings plus double bonds
- 13
The formula C16H12N4O describes a molecule made of 16 carbon atoms, 12 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 × 1669.55%12.011 × 16 = 192.176 g/mol
- H Hydrogen × 124.38%1.008 × 12 = 12.096 g/mol
- N Nitrogen × 420.28%14.007 × 4 = 56.028 g/mol
- O Oxygen × 15.79%15.999 × 1 = 15.999 g/mol
Look up another formula
Compounds with the formula C16H12N4O
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 75 of 75 compounds
2-Benzimidazol-2-yl-4-methyl-2-hydrophthalazin-1-one
CAS 315677-19-1C16H12N4O
3-Amino-5-(4-phenoxyphenyl)-1H-pyrazole-4-carbonitrile
CAS 330792-70-6C16H12N4O
![8-(Imidazo[1,2-a]pyrimidin-2-ylmethoxy)quinoline chemical structure, C16H12N4O, CAS 371132-11-5](/s/AJNDLLUAKCUAJR-UHFFFAOYSA-N.svg)
8-(Imidazo[1,2-a]pyrimidin-2-ylmethoxy)quinoline
CAS 371132-11-5C16H12N4O
![3-Methoxy-5,6-dihydrobenzo[h]pyrazolo[5,1-b]quinazoline-11-carbonitrile chemical structure, C16H12N4O, CAS 866145-92-8](/s/IXEQQNFCNYLXPU-UHFFFAOYSA-N.svg)
3-Methoxy-5,6-dihydrobenzo[h]pyrazolo[5,1-b]quinazoline-11-carbonitrile
CAS 866145-92-8C16H12N4O
![4-(3-Methyl[1,2,4]triazolo[3,4-a]phthalazin-6-yl)phenol chemical structure, C16H12N4O, CAS 896841-69-3](/s/PPRORSHMIZTQTH-UHFFFAOYSA-N.svg)
4-(3-Methyl[1,2,4]triazolo[3,4-a]phthalazin-6-yl)phenol
CAS 896841-69-3C16H12N4O
![4-(2-Methylphenoxy)-[1,2,4]triazolo[4,3-a]quinoxaline chemical structure, C16H12N4O, CAS 312587-68-1](/s/IZAFLPIWXWDMGN-UHFFFAOYSA-N.svg)
4-(2-Methylphenoxy)-[1,2,4]triazolo[4,3-a]quinoxaline
CAS 312587-68-1C16H12N4O
![(6-Phenyl-[1,2,4]triazolo[3,4-a]phthalazin-3-yl)methanol chemical structure, C16H12N4O, CAS 125682-32-8](/s/XLNDLIFPVNKXMQ-UHFFFAOYSA-N.svg)
(6-Phenyl-[1,2,4]triazolo[3,4-a]phthalazin-3-yl)methanol
CAS 125682-32-8C16H12N4O
5-Amino-1-(4-phenoxyphenyl)-1H-imidazole-4-carbonitrile
CAS 551921-57-4C16H12N4O
2-(4-Methylphenyl)-2,5-dihydro-3H-(1,2,4)triazino(5,6-B)indol-3-one
CAS 57591-36-3C16H12N4O
1-(1H-Benzimidazol-2-yl)-3-phenyl-1H-pyrazol-5-ol
CAS 516455-58-6C16H12N4O
![3-(3-Methylphenyl)[1,2,3]triazolo[1,5-a]quinazolin-5(4H)-one chemical structure, C16H12N4O, CAS 866812-19-3](/s/LCYRWDJLZAAYTF-UHFFFAOYSA-N.svg)
3-(3-Methylphenyl)[1,2,3]triazolo[1,5-a]quinazolin-5(4H)-one
CAS 866812-19-3C16H12N4O
![4-(4-Methylphenoxy)-[1,2,4]triazolo[4,3-a]quinoxaline chemical structure, C16H12N4O, CAS 332850-45-0](/s/JEXQNVSQNRBCJO-UHFFFAOYSA-N.svg)
4-(4-Methylphenoxy)-[1,2,4]triazolo[4,3-a]quinoxaline
CAS 332850-45-0C16H12N4O
4H-Imidazo(4,5-c)(1,8)naphthyridin-4-one, 3,5-dihydro-3-methyl-5-phenyl-
CAS 139360-51-3C16H12N4O
![1-[(Pyrimidin-2-ylamino)methyl]benzo[cd]indol-2(1H)-one chemical structure, C16H12N4O, CAS 329267-39-2](/s/JSKVUNONLMADBY-UHFFFAOYSA-N.svg)
1-[(Pyrimidin-2-ylamino)methyl]benzo[cd]indol-2(1H)-one
CAS 329267-39-2C16H12N4O
![2-[(5-Phenyl-1,2,4-oxadiazol-3-yl)methyl]-1H-benzimidazole chemical structure, C16H12N4O, CAS 886907-24-0](/s/HXDGCPFASDACPL-UHFFFAOYSA-N.svg)
2-[(5-Phenyl-1,2,4-oxadiazol-3-yl)methyl]-1H-benzimidazole
CAS 886907-24-0C16H12N4O
![N-[(E)-Quinolin-2-ylmethylideneamino]pyridine-4-carboxamide chemical structure, C16H12N4O, CAS 92869-04-0](/s/CYUBXTHNPFNGQN-WOJGMQOQSA-N.svg)
N-[(E)-Quinolin-2-ylmethylideneamino]pyridine-4-carboxamide
CAS 92869-04-0C16H12N4O
2-(Benzimidazol-1-ylmethyl)-5-phenyl-1,3,4-oxadiazole
CAS 874591-46-5C16H12N4O
![5-Methyl-8-pyridin-4-yl[1,2,4]triazolo[4,3-a]quinolin-1(2H)-one chemical structure, C16H12N4O, CAS 763121-32-0](/s/PKZCGWBROCHAKF-UHFFFAOYSA-N.svg)
5-Methyl-8-pyridin-4-yl[1,2,4]triazolo[4,3-a]quinolin-1(2H)-one
CAS 763121-32-0C16H12N4O
4-(5-Hydroxy-3-methyl-1-(pyridin-2-yl)-1H-pyrazol-4-yl)benzonitrile
CAS 1068515-19-4C16H12N4O
EAPB-0503 metabolite M'2
CAS 1513878-67-5C16H12N4O
![1-Phenyl-4H-[1,2,4]triazolo[4,3-a][1,5]benzodiazepin-5(6H)-one chemical structure, C16H12N4O, CAS 137731-25-0](/s/MBMNHMPNVGGMPT-UHFFFAOYSA-N.svg)
1-Phenyl-4H-[1,2,4]triazolo[4,3-a][1,5]benzodiazepin-5(6H)-one
CAS 137731-25-0C16H12N4O
![2-Indolo[3,2-b]quinoxalin-6-ylacetamide chemical structure, C16H12N4O, CAS 328015-93-6](/s/GVSRMFMDWQVYLZ-UHFFFAOYSA-N.svg)
2-Indolo[3,2-b]quinoxalin-6-ylacetamide
CAS 328015-93-6C16H12N4O
![3-(2-Methylphenyl)[1,2,3]triazolo[1,5-a]quinazolin-5(4H)-one chemical structure, C16H12N4O, CAS 866808-12-0](/s/JKWYMJCYAUGTHQ-UHFFFAOYSA-N.svg)
3-(2-Methylphenyl)[1,2,3]triazolo[1,5-a]quinazolin-5(4H)-one
CAS 866808-12-0C16H12N4O
![6-Amino-2-phenyl-2H-pyrazolo[3,4-C]quinolin-4(5H)-one chemical structure, C16H12N4O, CAS 1315307-78-8](/s/VQUOPURUWIRVAO-UHFFFAOYSA-N.svg)
6-Amino-2-phenyl-2H-pyrazolo[3,4-C]quinolin-4(5H)-one
CAS 1315307-78-8C16H12N4O
- 2-{[(4-Oxo-3,4-dihydro-1-phthalazinyl)methyl]amino}benzenecarbonitrile303995-59-7C16H12N4O
- (5-Oxo-4,4-diphenyl-1H-imidazol-2-yl)cyanamide169234-77-9C16H12N4O
- N-(Pyridin-3-ylmethyl)[1]benzofuro[3,2-d]pyrimidin-4-amine325745-60-6C16H12N4O
- 5-(5-Methyl-1H-1,2,3-triazol-1-yl)-3-phenylbenzo[c]isoxazole890641-79-9C16H12N4O
- ((1E)-2-Indol-3-yl-1-azavinyl)benzoxazol-2-ylamine5936-96-9C16H12N4O
- 2-(m-Tolyl)-[1,2,4]triazolo[1,5-c]quinazolin-5(6H)-one931334-14-4C16H12N4O
- 5-Amino-1-(2-phenoxyphenyl)-1H-imidazole-4-carbonitrile551921-64-3C16H12N4O
- 5-(3-(1H-Pyrrol-2-yl)-1H-indazol-5-yl)pyridin-3-ol953408-38-3C16H12N4O
- 1-Methyl-4-(3-phenoxyphenyl)-1,2,3-triazole-5-carbonitrile1024154-10-6C16H12N4O
- 1,4-Epoxybenzocyclooctene-4a,7,8,10a-tetracarbonitrile, 1,4,5,6,9,10-hexahydro-62249-51-8C16H12N4O
- 2-(4-Aminophenyl)-1,2-dihydro-3H-pyrazolo[4,3-c]quinolin-3-one77779-53-4C16H12N4O
- 7-[(Z)-2-(4-Methoxyphenyl)ethenyl]pyrazolo[1,5-a]pyrimidine-3-carbonitrile338394-45-9C16H12N4O
- 2-(4-Methoxyphenyl)[1,2,4]triazolo[1,5-c]quinazoline949278-78-8C16H12N4O
- 1-(1H-Benzo[d][1,2,3]triazol-1-yl)-2-(1H-indol-3-yl)ethanone1080025-88-2C16H12N4O
- N-(4-Cyanophenyl)-2-((4-cyanophenyl)amino)acetamide1900865-84-0C16H12N4O
- 3-Cyano-N-(pyrazolo[1,5-a]pyridin-3-ylmethyl)benzamide1396791-45-9C16H12N4O
- 2-[5-(Benzyloxy)-1H-pyrazol-1-yl]pyridine-4-carbonitrile1613412-23-9C16H12N4O
- 1-Methoxy-7-pyrrolo[2,3-c]pyridin-1-yl-2,6-naphthyridine1841078-97-4C16H12N4O
- 3-Amino-5-(2-phenoxyphenyl)-1H-pyrazole-4-carbonitrile1881246-01-0C16H12N4O
- 2-(7-Methyl-[1,2,4]triazolo[4,3-a]pyridin-3-yl)quinolin-8-ol1209780-66-4C16H12N4O
- 1,4,4a,5a,6,9,9a,9b-Octahydrodibenzo[b,d]furan-2,3,7,8-tetracarbonitrile64760-84-5C16H12N4O
- 4-Quinolinol, 2-amino-3-(1H-benzimidazol-2-yl)-388565-19-3C16H12N4O
- 3-Methyl-10-phenyl-[1,2,3,5]tetrazino[5,4-A]indol-4-one834910-18-8C16H12N4O
- 7-Benzylpyrazolo[1,5-a]pyrido[3,4-e]pyrimidin-6(7H)-one1211610-51-3C16H12N4O
- 2-[2-(2-Furyl)pyrimidin-5-yl]-7-methyl-1H-benzimidazole1244902-84-8C16H12N4O
- 2-(1H-1,3-Benzodiazol-2-yl)-2-cyano-N-phenylacetamide717850-87-8C16H12N4O
- 9-(Naphthalen-1-ylmethyl)-1H-purin-6-one34396-97-9C16H12N4O
- 2-Methyl-6-(naphthalen-2-yl)imidazo[1,2-b][1,2,4]triazin-3(5H)-one53454-58-3C16H12N4O
- 8-Amino-2-phenyl-1,5-dihydro-[1,2]diazepino[4,5,6-cd]indol-6-one731806-69-2C16H12N4O
- 1,2,4-Triazolo[3,4-a]phthalazine, 3-(4-methoxyphenyl)-94445-80-4C16H12N4O
- 2-Azido-1-benzyl-1H-indole-3-carbaldehyde126177-54-6C16H12N4O
- 4-(4'-Methoxy[1,1'-biphenyl]-4-yl)-1H-1,2,3-triazole-5-carbonitrile1044721-02-9C16H12N4O
- 5-Amino-1-(4-phenoxy-phenyl)-1H-pyrazole-4-carbonitrile896134-38-6C16H12N4O
- 2-Oxazolamine, 4-[2-(3-pyridinyl)-1H-indol-3-yl]-1267419-79-3C16H12N4O
- Imidazo[1,2-a]pyridin-3-amine, 2-(2-furanyl)-N-2-pyridinyl-1422715-25-0C16H12N4O
- 5-Cyano-3-methyl-7-(4-pyridinyl)-1H-indole-2-carboxamide1678541-39-3C16H12N4O
- 2-[6-(1,3-Dihydro-2H-imidazol-2-ylidene)cyclohexa-2,4-dien-1-ylidene]-1,2-dihydro-4H-benzimidazol-4-one824394-84-5C16H12N4O
- 2-(o-Tolyl)-[1,2,4]triazolo[1,5-c]quinazolin-5(6H)-one2607009-45-8C16H12N4O
- [4-(6-Methyl-1,2,4,5-tetrazin-3-yl)phenyl](phenyl)methanone2378619-90-8C16H12N4O
- 2-(4-Methoxyphenyl)-3H-imidazo[4,5-f]quinoxaline93417-13-1C16H12N4O
- 5-(Phenoxymethyl)tetrazolo[1,5-a]quinoline193825-28-4C16H12N4O
- 3-(1H-Benzimidazol-2-yl)-5-(furan-2-yl)pyridin-2-amine1261220-37-4C16H12N4O
- 3-(1H-Benzimidazol-2-yl)-5-(furan-3-yl)pyridin-2-amine1261220-42-1C16H12N4O
- 2-(Furan-3-yl)-6-(4-methylimidazol-1-yl)quinazoline1201902-32-0C16H12N4O
- 2-Methoxy-4-(1H-pyrrolo[2,3-b]pyridin-3-yl)-1,8-naphthyridine1391088-65-5C16H12N4O
- N-(1H-Indazol-4-yl)-1H-indole-4-carboxamide1184384-74-4C16H12N4O
- 6-Amino-1-(4-aminophenyl)indeno[1,2-c]pyrazol-4(1H)-one143182-50-7C16H12N4O
- 4-[(E)-(8-Aminoquinolin-5-yl)diazenyl]benzaldehyde184686-14-4C16H12N4O
- 4-((2-Acetyl-3H-imidazo[4,5-b]pyridin-3-yl)methyl)benzonitrile1420998-02-2C16H12N4O
- 2-((2-Acetyl-3H-imidazo[4,5-b]pyridin-3-yl)methyl)benzonitrile1420798-91-9C16H12N4O
- 1-Benzylindole-3-carbonyl azide770732-57-5C16H12N4O
Frequently asked questions
What is the molar mass of C16H12N4O?
The molar mass of C16H12N4O is 276.30 g/mol, calculated from standard atomic weights for 16 carbon atoms, 12 hydrogen atoms, 4 nitrogen atoms and 1 oxygen atom. The monoisotopic mass is 276.1011 Da.
How many compounds have the formula C16H12N4O?
CompoundList lists 75 compounds with the molecular formula C16H12N4O, including 2-Benzimidazol-2-yl-4-methyl-2-hydrophthalazin-1-one, 3-Amino-5-(4-phenoxyphenyl)-1H-pyrazole-4-carbonitrile, 8-(Imidazo[1,2-a]pyrimidin-2-ylmethoxy)quinoline. 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 C16H12N4O?
C16H12N4O has a degree of unsaturation of 13. 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.