Molecular formula
C21H17N3O5
82 compounds have this formula on CompoundList.
- Molar mass
- 391.38g/mol
- Monoisotopic mass
- 391.1168Da
- Atoms
- 46
- Elements
- 4
- Rings plus double bonds
- 15
The formula C21H17N3O5 describes a molecule made of 21 carbon atoms, 17 hydrogen atoms, 3 nitrogen atoms and 5 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 × 2164.45%12.011 × 21 = 252.231 g/mol
- H Hydrogen × 174.38%1.008 × 17 = 17.136 g/mol
- N Nitrogen × 310.74%14.007 × 3 = 42.021 g/mol
- O Oxygen × 520.44%15.999 × 5 = 79.995 g/mol
Look up another formula
Compounds with the formula C21H17N3O5
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 82 of 82 compounds
(5E)-1-(2,5-Dimethoxyphenyl)-5-(1H-indol-3-ylmethylidene)-1,3-diazinane-2,4,6-trione
CAS 373371-89-2C21H17N3O5
![N-[3-[5-(Furan-2-yl)-1,3,4-oxadiazol-2-yl]phenyl]-2-(2-methoxyphenoxy)acetamide chemical structure, C21H17N3O5, CAS 701250-75-1](/s/LHTPPSCXLMIHRK-UHFFFAOYSA-N.svg)
N-[3-[5-(Furan-2-yl)-1,3,4-oxadiazol-2-yl]phenyl]-2-(2-methoxyphenoxy)acetamide
CAS 701250-75-1C21H17N3O5
5-Ethyl-5,6-dihydro-3,8-dinitro-6-phenyl-6-phenanthridinol
CAS 302911-79-1C21H17N3O5
N-(4-(5-(Furan-2-yl)-1,3,4-oxadiazol-2-yl)phenyl)-2-(2-methoxyphenoxy)acetamide
CAS 426215-45-4C21H17N3O5
(4-(2-((1-Naphthylamino)(oxo)acetyl)carbohydrazonoyl)phenoxy)acetic acid
CAS 765904-99-2C21H17N3O5
4-(2-(Oxo(4-toluidino)acetyl)carbohydrazonoyl)phenyl 2-furoate
CAS 881470-34-4C21H17N3O5
![(4E)-5-(4-Ethoxyphenyl)-4-[furan-2-yl(hydroxy)methylidene]-1-(pyrimidin-2-yl)pyrrolidine-2,3-dione chemical structure, C21H17N3O5, CAS 383898-37-1](/s/JNPCZVZZNQCNQO-UHFFFAOYSA-N.svg)
(4E)-5-(4-Ethoxyphenyl)-4-[furan-2-yl(hydroxy)methylidene]-1-(pyrimidin-2-yl)pyrrolidine-2,3-dione
CAS 383898-37-1C21H17N3O5
![N-[2-(3,4-Dimethoxyphenyl)-5-oxochromeno[4,3-d]pyrimidin-4-yl]acetamide chemical structure, C21H17N3O5, CAS 88071-64-1](/s/XQPQWSWMFAWHOX-UHFFFAOYSA-N.svg)
N-[2-(3,4-Dimethoxyphenyl)-5-oxochromeno[4,3-d]pyrimidin-4-yl]acetamide
CAS 88071-64-1C21H17N3O5
![2-[6-Ethyl-4-oxo-3-(4-phenyl-1,2,4-triazol-3-yl)chromen-7-yl]oxyacetic acid chemical structure, C21H17N3O5, CAS 847758-24-1](/s/DBYBVVWGCDDBPU-UHFFFAOYSA-N.svg)
2-[6-Ethyl-4-oxo-3-(4-phenyl-1,2,4-triazol-3-yl)chromen-7-yl]oxyacetic acid
CAS 847758-24-1C21H17N3O5
![2-(2,3-Dihydro-2-oxo-1H-benzimidazol-5-yl)-2-oxoethyl 2-[(2-furanylmethyl)amino]benzoate chemical structure, C21H17N3O5, CAS 878111-23-0](/s/YXCCNAKMYAFOMV-UHFFFAOYSA-N.svg)
2-(2,3-Dihydro-2-oxo-1H-benzimidazol-5-yl)-2-oxoethyl 2-[(2-furanylmethyl)amino]benzoate
CAS 878111-23-0C21H17N3O5
![2-(Benzo[d]isoxazol-3-yl)-N-((5-(2,3-dihydrobenzo[b][1,4]dioxin-6-yl)isoxazol-3-yl)methyl)acetamide chemical structure, C21H17N3O5, CAS 1207009-23-1](/s/BIRKVPTUGREXJI-UHFFFAOYSA-N.svg)
2-(Benzo[d]isoxazol-3-yl)-N-((5-(2,3-dihydrobenzo[b][1,4]dioxin-6-yl)isoxazol-3-yl)methyl)acetamide
CAS 1207009-23-1C21H17N3O5
5-(Furan-2-yl)-N-((5-(2-methyl-2,3-dihydrobenzofuran-6-yl)isoxazol-3-yl)methyl)isoxazole-3-carboxamide
CAS 1209304-57-3C21H17N3O5
Furan-2-yl(3-(3-methoxyphenyl)-5-(3-nitrophenyl)-4,5-dihydro-1H-pyrazol-1-yl)methanone
CAS 923233-77-6C21H17N3O5
![N-{3-[3-(Furan-2-yl)-6-oxo-1,6-dihydropyridazin-1-yl]propyl}-2-oxo-2H-chromene-3-carboxamide chemical structure, C21H17N3O5, CAS 1021225-58-0](/s/QXBCZAZSGLKHRN-UHFFFAOYSA-N.svg)
N-{3-[3-(Furan-2-yl)-6-oxo-1,6-dihydropyridazin-1-yl]propyl}-2-oxo-2H-chromene-3-carboxamide
CAS 1021225-58-0C21H17N3O5
![Methyl 5-((3-benzyl-2,4-dioxo-3,4-dihydropyrido[3,2-d]pyrimidin-1(2H)-yl)methyl)furan-2-carboxylate chemical structure, C21H17N3O5, CAS 921828-63-9](/s/MAIPSEIKJYATBX-UHFFFAOYSA-N.svg)
Methyl 5-((3-benzyl-2,4-dioxo-3,4-dihydropyrido[3,2-d]pyrimidin-1(2H)-yl)methyl)furan-2-carboxylate
CAS 921828-63-9C21H17N3O5
N-(1,3-Dioxoisoindol-2-yl)-2-(2-methylpropyl)-1,3-dioxoisoindole-5-carboxamide
CAS 309265-36-9C21H17N3O5
Ethyl 6-amino-5-cyano-4-(3-nitrophenyl)-2-phenyl-4H-pyran-3-carboxylate
CAS 72916-33-7C21H17N3O5
![N-(1-{[(2-Furylmethyl)amino]carbonyl}-2-{4-nitrophenyl}vinyl)benzamide chemical structure, C21H17N3O5, CAS 303100-23-4](/s/STOWUFDQHXXKKB-UYRXBGFRSA-N.svg)
N-(1-{[(2-Furylmethyl)amino]carbonyl}-2-{4-nitrophenyl}vinyl)benzamide
CAS 303100-23-4C21H17N3O5
![N-[5-(5,7-Dimethyl-1,3-benzoxazol-2-yl)-2-methylphenyl]-5-nitrofuran-2-carboxamide chemical structure, C21H17N3O5, CAS 303141-91-5](/s/BWPABIYSULHFFU-UHFFFAOYSA-N.svg)
N-[5-(5,7-Dimethyl-1,3-benzoxazol-2-yl)-2-methylphenyl]-5-nitrofuran-2-carboxamide
CAS 303141-91-5C21H17N3O5
![Methyl (2E)-2-cyano-3-[2-(4-methoxyphenoxy)-9-methyl-4-oxo-4H-pyrido[1,2-a]pyrimidin-3-yl]prop-2-enoate chemical structure, C21H17N3O5, CAS 620111-97-9](/s/KYSJCJFJXMNGHI-SDNWHVSQSA-N.svg)
Methyl (2E)-2-cyano-3-[2-(4-methoxyphenoxy)-9-methyl-4-oxo-4H-pyrido[1,2-a]pyrimidin-3-yl]prop-2-enoate
CAS 620111-97-9C21H17N3O5
![5-Nitro-N-{3-[5-(propan-2-yl)-1,3-benzoxazol-2-yl]phenyl}furan-2-carboxamide chemical structure, C21H17N3O5, CAS 371236-15-6](/s/CXJSXMQFEKNDDM-UHFFFAOYSA-N.svg)
5-Nitro-N-{3-[5-(propan-2-yl)-1,3-benzoxazol-2-yl]phenyl}furan-2-carboxamide
CAS 371236-15-6C21H17N3O5
(E)-N-(4-Acetamidophenyl)-3-(5-(3-nitrophenyl)furan-2-yl)acrylamide
CAS 433327-55-0C21H17N3O5
![N-[2-[3-(3,4-Dimethoxyphenyl)-1,2,4-oxadiazol-5-yl]phenyl]furan-2-carboxamide chemical structure, C21H17N3O5, CAS 904514-89-2](/s/VWWPSMHHGVYPPR-UHFFFAOYSA-N.svg)
N-[2-[3-(3,4-Dimethoxyphenyl)-1,2,4-oxadiazol-5-yl]phenyl]furan-2-carboxamide
CAS 904514-89-2C21H17N3O5
Benzoic acid, p-(2,6-dioxo-3-(3,4-dihydro-2-methyl-4-oxo-3-quinazolinyl)piperidino)-
CAS 69557-23-9C21H17N3O5
- 3-Benzamido-N-(2-methoxy-5-nitrophenyl)benzamide600125-16-4C21H17N3O5
- 3-Benzamido-N-(2-methoxy-4-nitrophenyl)benzamide600125-82-4C21H17N3O5
- 3-Benzamido-N-(4-methoxy-2-nitrophenyl)benzamide600125-14-2C21H17N3O5
- (4E)-4-[Hydroxy(4-methoxyphenyl)methylidene]-1-(5-methyl-1,2-oxazol-3-yl)-5-(pyridin-4-yl)pyrrolidine-2,3-dione840518-23-2C21H17N3O5
- (4E)-4-[Hydroxy(4-methoxyphenyl)methylidene]-1-(5-methyl-1,2-oxazol-3-yl)-5-(pyridin-3-yl)pyrrolidine-2,3-dione845805-09-6C21H17N3O5
- N-(4-Acetylphenyl)-2-[3-(1,3-benzodioxol-5-yl)-6-oxopyridazin-1-yl]acetamide941930-29-6C21H17N3O5
- Methyl 2-[(3S,3aR,6aS)-2',4,6-trioxospiro[1,2,3a,6a-tetrahydropyrrolo[3,4-c]pyrrole-3,3'-1H-indole]-5-yl]benzoate956272-20-1C21H17N3O5
- N-(3-Acetylphenyl)-1-(3-nitrobenzyl)-6-oxo-1,6-dihydropyridine-3-carboxamide899741-47-0C21H17N3O5
- 5-((Furan-2-ylmethyl)amino)-2-(5-((4-methoxyphenoxy)methyl)furan-2-yl)oxazole-4-carbonitrile941882-12-8C21H17N3O5
- N1-(2-methyl-4-nitrophenyl)-N2-(4-phenoxyphenyl)oxalamide941939-89-5C21H17N3O5
- N1-(2-methyl-5-nitrophenyl)-N2-(4-phenoxyphenyl)oxalamide899744-42-4C21H17N3O5
- 3-{4-[5-(Furan-2-yl)-1,3,4-oxadiazol-2-yl]piperidine-1-carbonyl}-2H-chromen-2-one1209282-81-4C21H17N3O5
- N-(4-Acetylphenyl)-1-(3-nitrobenzyl)-2-oxo-1,2-dihydropyridine-3-carboxamide946379-17-5C21H17N3O5
- N-(3-Acetylphenyl)-1-(3-nitrobenzyl)-2-oxo-1,2-dihydropyridine-3-carboxamide946222-59-9C21H17N3O5
- N-(3-Acetylphenyl)-2-[3-(1,3-benzodioxol-5-yl)-6-oxopyridazin-1-yl]acetamide899990-34-2C21H17N3O5
- (6R,12AR)-6-(1,3-Benzodioxol-5-yl)-2,3,6,7,12,12A-hexahydro-2-hydroxypyrazino[1',2':1,6]pyrido[3,4-B]indole-1,4-dione385769-80-2C21H17N3O5
- Sdccgsbi-0662158.P001879180-90-2C21H17N3O5
- 8-Methoxy-N-(5-(4-methylbenzyl)-1,3,4-oxadiazol-2-yl)-2-oxo-2H-chromene-3-carboxamide1171941-51-7C21H17N3O5
- {8-Methyl-3-[3-(2-methylphenyl)-1,2,4-oxadiazol-5-yl]-2-oxo-2H-pyrano[2,3-c]pyridin-5-yl}methyl acetate1189724-88-6C21H17N3O5
- N-(4-(Benzo[d][1,3]dioxol-5-yloxy)but-2-yn-1-yl)-2-(4-oxoquinazolin-3(4H)-yl)acetamide1448030-75-8C21H17N3O5
- 2-[(4-Methyl-2-oxo-2H-chromen-7-yl)oxy]-N-(3-methyl-4-oxo-3,4-dihydroquinazolin-6-yl)acetamide1574481-76-7C21H17N3O5
- 5-(4-Hydroxy-3,5-dimethoxyphenyl)-2-phenyl-3H-imidazo[4,5-b]pyridine-7-carboxylic acid1021052-22-1C21H17N3O5
- 5-(4-Hydroxy-3-methoxyphenyl)-2-(4-methoxyphenyl)-3H-imidazo[4,5-b]pyridine-7-carboxylic acid1021052-35-6C21H17N3O5
- 5-(2-Hydroxy-3-methoxyphenyl)-2-(4-methoxyphenyl)-3H-imidazo[4,5-b]pyridine-7-carboxylic acid1021052-38-9C21H17N3O5
- 2-Oxo-N-[4-(4-propoxyphenyl)-1,2,5-oxadiazol-3-yl]-2H-chromene-3-carboxamide897840-42-5C21H17N3O5
- 2-Oxo-N-{4-[4-(propan-2-yloxy)phenyl]-1,2,5-oxadiazol-3-yl}-2H-chromene-3-carboxamide898630-54-1C21H17N3O5
- 5-(3-Hydroxy-4-methoxyphenyl)-2-(4-methoxyphenyl)-3H-imidazo[4,5-b]pyridine-7-carboxylic acid1021113-33-6C21H17N3O5
- 3-(1-(3-Phenylbenzo[c]isoxazole-5-carbonyl)pyrrolidin-3-yl)oxazolidine-2,4-dione2034383-74-7C21H17N3O5
- [3-[[[2-(Benzylamino)-2-oxoacetyl]hydrazinylidene]methyl]phenyl] furan-2-carboxylate606487-60-9C21H17N3O5
- 3,5-Dinitro-N-[(4S)-1,2,3,4-tetrahydrophenanthren-4-yl]benzamide197847-08-8C21H17N3O5
- N-(Benzyloxy)-3-nitro-N-(phenylcarbamoyl)benzamide113459-91-9C21H17N3O5
- 2-[({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)methyl]-4-hydroxypyrimidine-5-carboxylic acid2803846-22-0C21H17N3O5
- 1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 3-(2-methylpropyl)-4-oxo-3,4-dihydrophthalazine-1-carboxylate2248302-38-5C21H17N3O5
- 1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 1-phenyl-4-propoxy-1H-pyrazole-3-carboxylate2248339-22-0C21H17N3O5
- 1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 5-ethyl-1-(2-methoxyphenyl)-1H-pyrazole-4-carboxylate2248340-91-0C21H17N3O5
- 1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 2-(3-tert-butyl-1,2,4-oxadiazol-5-yl)benzoate2248271-46-5C21H17N3O5
- 1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 6-cyclopropyl-3-propyl-[1,2]oxazolo[5,4-b]pyridine-4-carboxylate2248363-84-8C21H17N3O5
- 1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 6-cyclopropyl-3-(propan-2-yl)-[1,2]oxazolo[5,4-b]pyridine-4-carboxylate2248396-97-4C21H17N3O5
- 1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 1-(2,5-dimethylphenyl)-6-oxo-1,4,5,6-tetrahydropyridazine-3-carboxylate2248399-52-0C21H17N3O5
- 1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 3-[(2-cyanoethyl)(phenyl)carbamoyl]propanoate2248361-14-8C21H17N3O5
- 1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 1-cyclopentyl-2-oxo-2,3-dihydro-1H-1,3-benzodiazole-5-carboxylate2248328-97-2C21H17N3O5
- 1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 4-(2-methyl-4-oxo-3,4-dihydroquinazolin-3-yl)butanoate2248331-21-5C21H17N3O5
- 1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 4-oxo-4-(3-phenyl-4,5-dihydro-1H-pyrazol-1-yl)butanoate2649075-89-6C21H17N3O5
- 1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 5-ethyl-1-(4-methoxyphenyl)-1H-pyrazole-4-carboxylate2248398-97-0C21H17N3O5
- 6-({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)-5-methoxypyrimidine-4-carboxylic acid2580233-11-8C21H17N3O5
- 2-({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)-4-methyl-6-oxo-1,6-dihydropyrimidine-5-carboxylic acid2580254-49-3C21H17N3O5
- 5-({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)-6-methoxypyrazine-2-carboxylic acid2580180-07-8C21H17N3O5
- 5-(1-{[(9H-Fluoren-9-yl)methoxy]carbonyl}azetidin-3-yl)-1,2,4-oxadiazole-3-carboxylic acid2639454-87-6C21H17N3O5
- 5-[Cyclopropyl({[(9H-fluoren-9-yl)methoxy]carbonyl})amino]-1,3,4-oxadiazole-2-carboxylic acid2639446-40-3C21H17N3O5
- 1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 1-(1,3-benzoxazol-2-yl)piperidine-4-carboxylate2248296-45-7C21H17N3O5
- Methyl 4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-2-hydroxypyrimidine-5-carboxylate2763984-00-3C21H17N3O5
- 2-[2-({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)-4-hydroxypyrimidin-5-yl]acetic acid2580241-93-4C21H17N3O5
- Methyl 2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-6-hydroxypyrimidine-4-carboxylate2764007-10-3C21H17N3O5
- 2-({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)-4-methoxypyrimidine-5-carboxylic acid2913406-84-3C21H17N3O5
- 3-Hydroxy-4-(4-methoxybenzoyl)-1-(5-methyl-1,2-oxazol-3-yl)-5-(pyridin-4-yl)-2,5-dihydro-1H-pyrrol-2-oneC21H17N3O5
- 3-Hydroxy-4-(4-methoxybenzoyl)-1-(5-methyl-1,2-oxazol-3-yl)-5-(pyridin-3-yl)-2,5-dihydro-1H-pyrrol-2-oneC21H17N3O5
- 2-[[1-Cyano-7-(2,6-dimethylphenoxy)-4-hydroxyisoquinoline-3-carbonyl]amino]acetic acid945739-86-6C21H17N3O5
- Tryptophan, N-acetyl-, 1,3-dihydro-1,3-dioxo-2H-isoindol-2-yl ester2225944-92-1C21H17N3O5
Frequently asked questions
What is the molar mass of C21H17N3O5?
The molar mass of C21H17N3O5 is 391.38 g/mol, calculated from standard atomic weights for 21 carbon atoms, 17 hydrogen atoms, 3 nitrogen atoms and 5 oxygen atoms. The monoisotopic mass is 391.1168 Da.
How many compounds have the formula C21H17N3O5?
CompoundList lists 82 compounds with the molecular formula C21H17N3O5, including (5E)-1-(2,5-Dimethoxyphenyl)-5-(1H-indol-3-ylmethylidene)-1,3-diazinane-2,4,6-trione, N-[3-[5-(Furan-2-yl)-1,3,4-oxadiazol-2-yl]phenyl]-2-(2-methoxyphenoxy)acetamide, 5-Ethyl-5,6-dihydro-3,8-dinitro-6-phenyl-6-phenanthridinol. 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 C21H17N3O5?
C21H17N3O5 has a degree of unsaturation of 15. 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.