C21H14N2O3
52 compounds have this formula on CompoundList.
- Molar mass
- 342.35g/mol
- Monoisotopic mass
- 342.1004Da
- Atoms
- 40
- Elements
- 4
- Rings plus double bonds
- 16
The formula C21H14N2O3 describes a molecule made of 21 carbon atoms, 14 hydrogen atoms, 2 nitrogen atoms and 3 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 × 2173.68%12.011 × 21 = 252.231 g/mol
- H Hydrogen × 144.12%1.008 × 14 = 14.112 g/mol
- N Nitrogen × 28.18%14.007 × 2 = 28.014 g/mol
- O Oxygen × 314.02%15.999 × 3 = 47.997 g/mol
Compounds with the formula C21H14N2O3
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 52 of 52 compounds
![N-[3-(4-Oxo-3,1-benzoxazin-2-yl)phenyl]benzamide chemical structure, C21H14N2O3, CAS 354120-58-4](/s/SELRREFXULUALP-UHFFFAOYSA-N.svg)
![2-Amino-4-(1,3-benzodioxol-5-yl)-4H-benzo[h]chromene-3-carbonitrile chemical structure, C21H14N2O3, CAS 149550-67-4](/s/QEEUJPYNXNOABM-UHFFFAOYSA-N.svg)
![N-{8,10-Dioxo-9-azatricyclo[9.4.0.0^{2,7}]pentadeca-1(11),2,4,6,12,14-hexaen-9-yl}benzamide chemical structure, C21H14N2O3, CAS 923131-86-6](/s/GVNUGIBSYSNKEP-UHFFFAOYSA-N.svg)
![8-Methoxy-3-(1H-naphtho[2,3-d]imidazol-2-yl)-2H-chromen-2-one chemical structure, C21H14N2O3, CAS 293763-29-8](/s/SQMOMMYKEQOKNA-UHFFFAOYSA-N.svg)
![2-[(E)-2-[5-(2-Nitrophenyl)furan-2-yl]ethenyl]quinoline chemical structure, C21H14N2O3, CAS 354533-47-4](/s/CSAZHKZZUBPIIE-VAWYXSNFSA-N.svg)
![9-(3-Hydroxyphenyl)-10H-benzo[5,6]chromeno[2,3-d]pyrimidin-11(12H)-one chemical structure, C21H14N2O3, CAS 899217-82-4](/s/AWZVZXFKORQFBF-UHFFFAOYSA-N.svg)
- N-[4-(2-Oxochromen-3-yl)phenyl]pyridine-3-carboxamide714212-60-9C21H14N2O3
- 4-Cyano-N-(2-methoxydibenzo[b,d]furan-3-yl)benzamide587835-42-5C21H14N2O3
- 4-(1,3-Benzodioxol-5-yl)-2-methyl-5-oxo-4,5-dihydro-1H-indeno[1,2-b]pyridine-3-carbonitrile691870-02-7C21H14N2O3
- 1,3-Dibenzoyl-2,3-dihydro-1H-1,3-benzodiazol-2-one2306-61-8C21H14N2O3
- N-[4-(1-Benzofuran-2-ylcarbonyl)phenyl]pyridine-3-carboxamide1010884-05-5C21H14N2O3
- 4-(2-Naphthylazo)-3-hydroxy-2-naphthoic acid697728-26-0C21H14N2O3
- N-[4-(1-Benzofuran-2-ylcarbonyl)phenyl]pyridine-4-carboxamide1010939-14-6C21H14N2O3
- 4-(2-Oxochromen-3-yl)-N-pyridin-3-ylbenzamide842115-00-8C21H14N2O3
- 2-[[3-(Pyridine-2-carbonyl)phenyl]methyl]isoindole-1,3-dione543695-00-7C21H14N2O3
- 4-Oxo-2-(4-phenylphenoxy)pyrido[1,2-a]pyrimidine-3-carbaldehyde851903-22-5C21H14N2O3
- N-((2-Nitro-9H-fluoren-9-ylidene)methyl)benzamide27398-55-6C21H14N2O3
- 2-[2-[5-(4-Nitrophenyl)-2-furanyl]ethenyl]quinoline313952-94-2C21H14N2O3
- 3-(1,3-Dioxaindan-4-yl)-2-cyano-N-(naphthalen-1-yl)prop-2-enamide1181480-59-0C21H14N2O3
- 2-([1,1'-Biphenyl]-4-yl)-4-oxo-1,4-dihydroquinazoline-5-carboxylic acid188690-15-5C21H14N2O3
- 2-(2-(3,4-Dimethoxybenzylidene)-3-oxo-2,3-dihydro-1H-inden-1-ylidene)malononitrile337919-06-9C21H14N2O3
- 3-(2H-1,3-Benzodioxol-4-yl)-2-cyano-N-(naphthalen-1-yl)prop-2-enamideC21H14N2O3
- 2-[2-(10-Oxophenanthren-9(10H)-ylidene)hydrazinyl]benzoic acid114044-17-6C21H14N2O3
- 5-{[(2-Hydroxyphenyl)methylidene]amino}-2-phenyl-1H-isoindole-1,3(2H)-dione5209-36-9C21H14N2O3
- 2-[2-[[(4-Hydroxyphenyl)methylene]amino]phenyl]-4H-3,1-benzoxazin-4-one86705-47-7C21H14N2O3
- 4-Nitro-1-(2-phenylethenyl)-9(10H)-acridinone40385-55-5C21H14N2O3
- 2-([1,1'-Biphenyl]-4-yl)-5-(4-nitrophenyl)-1,3-oxazole91044-62-1C21H14N2O3
- (E)-N-(Naphthalen-2-yl)-1-[5-(4-nitrophenyl)furan-2-yl]methanimine92734-02-6C21H14N2O3
- 1-[(E)-(4-Methoxyphenyl)diazenyl]anthracene-9,10-dione114113-08-5C21H14N2O3
- 5-([1,1'-Biphenyl]-4-yl)-2-(2-nitrophenyl)-1,3-oxazole83959-83-5C21H14N2O3
- 5-([1,1'-Biphenyl]-4-yl)-2-(3-nitrophenyl)-1,3-oxazole83959-76-6C21H14N2O3
- 5-([1,1'-Biphenyl]-4-yl)-2-(4-nitrophenyl)-1,3-oxazole83959-66-4C21H14N2O3
- 2-(2-(2-Oxobenzo[cd]indol-1(2H)-yl)ethyl)isoindoline-1,3-dione1431870-99-3C21H14N2O3
- (E)-3-(1,3-Benzodioxol-4-yl)-2-cyano-N-naphthalen-1-ylprop-2-enamideC21H14N2O3
Frequently asked questions
What is the molar mass of C21H14N2O3?
The molar mass of C21H14N2O3 is 342.35 g/mol, calculated from standard atomic weights for 21 carbon atoms, 14 hydrogen atoms, 2 nitrogen atoms and 3 oxygen atoms. The monoisotopic mass is 342.1004 Da.
How many compounds have the formula C21H14N2O3?
CompoundList lists 52 compounds with the molecular formula C21H14N2O3, including Corinth flour, N-[3-(4-Oxo-3,1-benzoxazin-2-yl)phenyl]benzamide, 2-Amino-4-(1,3-benzodioxol-5-yl)-4H-benzo[h]chromene-3-carbonitrile. 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 C21H14N2O3?
C21H14N2O3 has a degree of unsaturation of 16. 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.