C21H17NO3
144 compounds have this formula on CompoundList.
- Molar mass
- 331.37g/mol
- Monoisotopic mass
- 331.1208Da
- Atoms
- 42
- Elements
- 4
- Rings plus double bonds
- 14
The formula C21H17NO3 describes a molecule made of 21 carbon atoms, 17 hydrogen atoms, 1 nitrogen atom 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 × 2176.12%12.011 × 21 = 252.231 g/mol
- H Hydrogen × 175.17%1.008 × 17 = 17.136 g/mol
- N Nitrogen × 14.23%14.007 × 1 = 14.007 g/mol
- O Oxygen × 314.48%15.999 × 3 = 47.997 g/mol
Compounds with the formula C21H17NO3
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 101 to 144 of 144 compounds
![3-{[3-Phenyl-3-(pyridin-3-yl)prop-2-en-1-yl]oxy}benzoic acid chemical structure, C21H17NO3, CAS 89667-96-9](/s/QABVDPANGGFXQO-UHFFFAOYSA-N.svg)
![(2E)-6-(Benzyloxy)-2-[(1-methyl-1H-pyrrol-2-yl)methylidene]-1-benzofuran-3(2H)-one chemical structure, C21H17NO3, CAS 1676105-22-8](/s/CVSGNUVSTAWSKO-UDWIEESQSA-N.svg)
![3-[(2-Oxo-1,2-diphenylethyl)amino]benzoic acid chemical structure, C21H17NO3, CAS 5397-56-8](/s/GHTGNYOWLDGOGS-UHFFFAOYSA-N.svg)
![5-Methyl-1-[2-(naphthalen-1-yloxy)ethyl]-1H-indole-2,3-dione chemical structure, C21H17NO3, CAS 937686-80-1](/s/SRIBRZBOVLLRSV-UHFFFAOYSA-N.svg)
![1-[4-(4-Amino-3-benzoylphenoxy)phenyl]ethan-1-one chemical structure, C21H17NO3, CAS 131231-98-6](/s/YHUGVQQAWZPOJP-UHFFFAOYSA-N.svg)
![N-({[2,3'-Bifuran]-5-yl}methyl)-2-(naphthalen-1-yl)acetamide chemical structure, C21H17NO3, CAS 2097924-69-9](/s/XBUGKGCLJVDUEH-UHFFFAOYSA-N.svg)
![6-Hydroxy-2-(2-methyl[1,1'-biphenyl]-3-yl)-5-benzoxazolemethanol chemical structure, C21H17NO3, CAS 2098241-17-7](/s/TYZVVWDJPPAYJY-UHFFFAOYSA-N.svg)
![Benzoic acid, 2-[(2-oxo-1,2-diphenylethyl)amino]- chemical structure, C21H17NO3, CAS 100086-63-3](/s/XSXSWVKBFCPPFK-UHFFFAOYSA-N.svg)
![Benzoic acid, 4-methoxy-, 2-[(phenylimino)methyl]phenyl ester chemical structure, C21H17NO3, CAS 479354-16-0](/s/BDOOSMZLTGIRQT-UHFFFAOYSA-N.svg)
![2-[3-(1-Naphthalenyloxy)propyl]-1H-isoindole-1,3(2H)-dione chemical structure, C21H17NO3, CAS 102196-49-6](/s/SUOZUBOZLGIERD-UHFFFAOYSA-N.svg)
![4,4'-[(4-Methoxyphenyl)azanediyl]dibenzaldehyde chemical structure, C21H17NO3, CAS 149676-16-4](/s/URERUUHFQAUZCF-UHFFFAOYSA-N.svg)
- 5,8-Dimethyl-2-(3-methyl-2-benzofuranyl)-4-quinolinecarboxylic acid2095062-53-4C21H17NO3
- 4-[(4-Hydroxyphenyl)methylidene]-2,3-dihydro-1H-acridine-9-carboxylic acidC21H17NO3
- 1,8-Dihydroxy-10-[2-(pyridin-4-yl)ethyl]anthracen-9(10H)-one65771-75-7C21H17NO3
- 2,7-Dimethoxy-9-phenoxyacridine6526-93-8C21H17NO3
- 2-(Dimethylamino)-3-(3-phenoxyprop-1-yn-1-yl)naphthalene-1,4-dione90179-82-1C21H17NO3
- Ethyl 2-oxo-6,7-diphenyl-2H-azepine-4-carboxylate105592-77-6C21H17NO3
- Methyl 4-((4-methoxyphenyl)ethynyl)-2-methylquinoline-3-carboxylate1072913-47-3C21H17NO3
- Benzyl N-(2-benzoylphenyl)carbamate1025554-41-9C21H17NO3
- 1-(Quinolin-3-yl)ethyl 2H-chromene-3-carboxylate1316632-45-7C21H17NO3
- 2-{[3-Phenyl-3-(pyridin-3-yl)prop-2-en-1-yl]oxy}benzoic acid89667-95-8C21H17NO3
- 4-{[3-Phenyl-3-(pyridin-3-yl)prop-2-en-1-yl]oxy}benzoic acid89667-97-0C21H17NO3
- N-(Benzoyloxy)-N-(2-methylphenyl)benzamide90985-20-9C21H17NO3
- 4-[(2-Hydroxyphenyl)(4-methoxyphenyl)methoxy]benzonitrile400024-22-8C21H17NO3
- 5-Oxo-5-(pyren-1-ylamino)pentanoic acid1073515-83-9C21H17NO3
- Benzyl N-(4-benzoylphenyl)carbamate1574208-79-9C21H17NO3
- Benzyl N-(3-ethynylphenyl)-N-[(furan-2-yl)methyl]carbamate2680753-92-6C21H17NO3
- N-(3-Benzoylphenyl)-4-methoxybenzamide1152493-43-0C21H17NO3
- 7-Benzoxazolemethanol,2-[4-(phenylmethoxy)phenyl]-139363-70-5C21H17NO3
- Benzamide,N-(2-benzoylphenyl)-3-methoxy-144054-11-5C21H17NO3
- 6-Benzyl-N-phenylbenzo[d][1,3]dioxole-5-carboxamide2691064-59-0C21H17NO3
Frequently asked questions
What is the molar mass of C21H17NO3?
The molar mass of C21H17NO3 is 331.37 g/mol, calculated from standard atomic weights for 21 carbon atoms, 17 hydrogen atoms, 1 nitrogen atom and 3 oxygen atoms. The monoisotopic mass is 331.1208 Da.
How many compounds have the formula C21H17NO3?
CompoundList lists 144 compounds with the molecular formula C21H17NO3, including 6,7-Dimethoxy-4-(1-naphthyloxy)quinoline, 3-{[3-Phenyl-3-(pyridin-3-yl)prop-2-en-1-yl]oxy}benzoic acid, (2E)-6-(Benzyloxy)-2-[(1-methyl-1H-pyrrol-2-yl)methylidene]-1-benzofuran-3(2H)-one. 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 C21H17NO3?
C21H17NO3 has a degree of unsaturation of 14. 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.