Molecular formula
C21H17N3O3
173 compounds have this formula on CompoundList.
- Molar mass
- 359.39g/mol
- Monoisotopic mass
- 359.1270Da
- Atoms
- 44
- Elements
- 4
- Rings plus double bonds
- 15
The formula C21H17N3O3 describes a molecule made of 21 carbon atoms, 17 hydrogen atoms, 3 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 × 2170.18%12.011 × 21 = 252.231 g/mol
- H Hydrogen × 174.77%1.008 × 17 = 17.136 g/mol
- N Nitrogen × 311.69%14.007 × 3 = 42.021 g/mol
- O Oxygen × 313.36%15.999 × 3 = 47.997 g/mol
Look up another formula
Compounds with the formula C21H17N3O3
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 101 to 173 of 173 compounds
![N-[[4-([1,3]Oxazolo[4,5-b]pyridin-2-yl)phenyl]methyl]-2-phenoxyacetamide chemical structure, C21H17N3O3, CAS 892674-16-7](/s/KOIZHFYWWHBSHR-UHFFFAOYSA-N.svg)
N-[[4-([1,3]Oxazolo[4,5-b]pyridin-2-yl)phenyl]methyl]-2-phenoxyacetamide
CAS 892674-16-7C21H17N3O3
N-(4-(4-Methoxyphenyl)-1,2,5-oxadiazol-3-yl)-2-(naphthalen-1-yl)acetamide
CAS 874129-54-1C21H17N3O3
N-(2-((6-(Furan-2-yl)pyridazin-3-yl)oxy)ethyl)-2-naphthamide
CAS 920241-23-2C21H17N3O3
![(4-Methyl-6-oxo-1,3-diphenyl-1,6-dihydro-7H-pyrazolo[3,4-b]pyridin-7-yl)acetic acid chemical structure, C21H17N3O3, CAS 1172810-92-2](/s/DJGLKBOXUWBCOQ-UHFFFAOYSA-N.svg)
(4-Methyl-6-oxo-1,3-diphenyl-1,6-dihydro-7H-pyrazolo[3,4-b]pyridin-7-yl)acetic acid
CAS 1172810-92-2C21H17N3O3
1H-Pyrrole-3-carboxylic acid, 5-(6-benzoyl-1H-benzimidazol-2-yl)-2,4-dimethyl-
CAS 920286-51-7C21H17N3O3
![1-Benzyl-3-(11-oxo-10,11-dihydrodibenzo[b,f][1,4]oxazepin-2-yl)urea chemical structure, C21H17N3O3, CAS 1203415-82-0](/s/MZPZYMNRNUHILQ-UHFFFAOYSA-N.svg)
1-Benzyl-3-(11-oxo-10,11-dihydrodibenzo[b,f][1,4]oxazepin-2-yl)urea
CAS 1203415-82-0C21H17N3O3
4(3H)-Quinazolinone, 2-((2-methoxyphenoxy)methyl)-3-(2-pyridinyl)-
CAS 73342-50-4C21H17N3O3
![N-[3-(4-Hydroxyanilino)-3-oxo-1-pyridin-4-ylprop-1-en-2-yl]benzamide chemical structure, C21H17N3O3, CAS 332074-85-8](/s/RWNSARVYMMLJFT-UHFFFAOYSA-N.svg)
N-[3-(4-Hydroxyanilino)-3-oxo-1-pyridin-4-ylprop-1-en-2-yl]benzamide
CAS 332074-85-8C21H17N3O3
(Z)-5-((1-Methyl-1H-indol-3-yl)methylene)-1-(o-tolyl)pyrimidine-2,4,6(1H,3H,5H)-trione
C21H17N3O3
![2-Naphthalen-1-yloxy-N-[(3-phenyl-1,2,4-oxadiazol-5-yl)methyl]acetamide chemical structure, C21H17N3O3, CAS 727363-96-4](/s/KFGDJWRJXCTOBV-UHFFFAOYSA-N.svg)
2-Naphthalen-1-yloxy-N-[(3-phenyl-1,2,4-oxadiazol-5-yl)methyl]acetamide
CAS 727363-96-4C21H17N3O3
![Ethyl 4-[[(E)-2-cyano-3-(1H-indol-3-yl)prop-2-enoyl]amino]benzoate chemical structure, C21H17N3O3, CAS 359424-60-5](/s/DUIPOCJWZSEIEE-RVDMUPIBSA-N.svg)
Ethyl 4-[[(E)-2-cyano-3-(1H-indol-3-yl)prop-2-enoyl]amino]benzoate
CAS 359424-60-5C21H17N3O3
2-(1-Acetyl-2-oxo-2,3-dihydro-1H-indol-3-ylidene)-2-cyano-N-(2-phenylethyl)acetamide
CAS 721431-55-6C21H17N3O3
![2-Methoxy-3-methyl-N-[4-([1,3]oxazolo[4,5-b]pyridin-2-yl)phenyl]benzamide chemical structure, C21H17N3O3, CAS 839695-14-6](/s/KQCDKZDLVWIKAL-UHFFFAOYSA-N.svg)
2-Methoxy-3-methyl-N-[4-([1,3]oxazolo[4,5-b]pyridin-2-yl)phenyl]benzamide
CAS 839695-14-6C21H17N3O3
![4-Methoxy-N-[[4-([1,3]oxazolo[4,5-b]pyridin-2-yl)phenyl]methyl]benzamide chemical structure, C21H17N3O3, CAS 895094-66-3](/s/WZIXORUJUFDXGF-UHFFFAOYSA-N.svg)
4-Methoxy-N-[[4-([1,3]oxazolo[4,5-b]pyridin-2-yl)phenyl]methyl]benzamide
CAS 895094-66-3C21H17N3O3
![N-[2-Methoxy-5-([1,3]oxazolo[4,5-b]pyridin-2-yl)phenyl]-2-phenylacetamide chemical structure, C21H17N3O3, CAS 887691-82-9](/s/ZZBNWWXADSJBDZ-UHFFFAOYSA-N.svg)
N-[2-Methoxy-5-([1,3]oxazolo[4,5-b]pyridin-2-yl)phenyl]-2-phenylacetamide
CAS 887691-82-9C21H17N3O3
![N-{2-Methyl-4-oxo-4H-pyrido[1,2-a]pyrimidin-3-yl}-2-(naphthalen-2-yloxy)acetamide chemical structure, C21H17N3O3, CAS 897616-67-0](/s/WZHIBUIDEIOHBR-UHFFFAOYSA-N.svg)
N-{2-Methyl-4-oxo-4H-pyrido[1,2-a]pyrimidin-3-yl}-2-(naphthalen-2-yloxy)acetamide
CAS 897616-67-0C21H17N3O3
N-(2-(3-(Furan-2-yl)-6-oxopyridazin-1(6H)-yl)ethyl)-1-naphthamide
CAS 946211-81-0C21H17N3O3
![N-{2-[3-(Furan-2-yl)-6-oxo-1,6-dihydropyridazin-1-yl]ethyl}naphthalene-2-carboxamide chemical structure, C21H17N3O3, CAS 946212-05-1](/s/QGVRHWUQUYIBDU-UHFFFAOYSA-N.svg)
N-{2-[3-(Furan-2-yl)-6-oxo-1,6-dihydropyridazin-1-yl]ethyl}naphthalene-2-carboxamide
CAS 946212-05-1C21H17N3O3
![N-[1-(4-Methylbenzyl)-1H-pyrazol-5-yl]-2-oxo-2H-chromene-3-carboxamide chemical structure, C21H17N3O3, CAS 942848-74-0](/s/OTULXXUCZQLMMF-UHFFFAOYSA-N.svg)
N-[1-(4-Methylbenzyl)-1H-pyrazol-5-yl]-2-oxo-2H-chromene-3-carboxamide
CAS 942848-74-0C21H17N3O3
![3-{9-Methyl-10-oxo-2-oxa-9-azatricyclo[9.4.0.0^{3,8}]pentadeca-1(11),3(8),4,6,12,14-hexaen-13-yl}-1-phenylurea chemical structure, C21H17N3O3, CAS 1202976-44-0](/s/VJLCIERZJMQCBW-UHFFFAOYSA-N.svg)
3-{9-Methyl-10-oxo-2-oxa-9-azatricyclo[9.4.0.0^{3,8}]pentadeca-1(11),3(8),4,6,12,14-hexaen-13-yl}-1-phenylurea
CAS 1202976-44-0C21H17N3O3
![N-(8,10-Dimethyl-11-oxo-10,11-dihydrodibenzo[b,f][1,4]oxazepin-2-yl)isonicotinamide chemical structure, C21H17N3O3, CAS 1211831-06-9](/s/GQRDOIOFKUGXFP-UHFFFAOYSA-N.svg)
N-(8,10-Dimethyl-11-oxo-10,11-dihydrodibenzo[b,f][1,4]oxazepin-2-yl)isonicotinamide
CAS 1211831-06-9C21H17N3O3
1-Benzyl-5-(3-(4-methoxyphenyl)-1,2,4-oxadiazol-5-yl)pyridin-2(1H)-one
CAS 1251706-93-0C21H17N3O3
3-Methyl-N-(1-methyl-1H-pyrazol-4-yl)-4-oxo-2-phenyl-4H-chromene-8-carboxamide
CAS 1259223-46-5C21H17N3O3
4-(6-Benzoyl-1H-benzimidazol-2-yl)-3,5-dimethylfuran-2-carboxamide
CAS 920285-99-0C21H17N3O3
- Methyl 4-oxo-2,3-di(pyridin-2-yl)-1,2,3,4-tetrahydroquinoline-5-carboxylate1207452-78-5C21H17N3O3
- Methyl 4-oxo-2,3-di(pyridin-4-yl)-1,2,3,4-tetrahydroquinoline-5-carboxylate1207452-72-9C21H17N3O3
- Methyl 4-oxo-2,3-di(pyridin-3-yl)-1,2,3,4-tetrahydroquinoline-5-carboxylate1207452-75-2C21H17N3O3
- N-(2-((3-Cyclopropyl-1,2,4-oxadiazol-5-yl)methyl)phenyl)benzofuran-2-carboxamide1797757-26-6C21H17N3O3
- 2-{2-[3-(3-Methylphenyl)-6-oxopyridazin-1(6H)-yl]ethyl}-1H-isoindole-1,3(2H)-dione1987084-95-6C21H17N3O3
- N-({[2,3'-Bipyridine]-5-yl}methyl)-7-methoxy-1-benzofuran-2-carboxamide2034478-73-2C21H17N3O3
- (E)-N-([2,3'-Bipyridin]-4-ylmethyl)-3-(benzo[d][1,3]dioxol-5-yl)acrylamide2035007-81-7C21H17N3O3
- (E)-N-([2,3'-Bipyridin]-3-ylmethyl)-3-(benzo[d][1,3]dioxol-5-yl)acrylamide1904613-66-6C21H17N3O3
- N-([2,4'-Bipyridin]-4-ylmethyl)-7-methoxybenzofuran-2-carboxamide2034394-67-5C21H17N3O3
- 2-Oxo-N-[2-(4-phenyl-1H-pyrazol-1-yl)ethyl]-2H-chromene-3-carboxamide2034351-85-2C21H17N3O3
- 2-(2-Hydroxyphenyl)-3-{[(E)-(2-hydroxyphenyl)methylidene]amino}-2,3-dihydroquinazolin-4(1H)-one330826-23-8C21H17N3O3
- 2-(5-(Pyridin-3-yl)-5,10b-dihydro-1H-benzo[e]pyrazolo[1,5-c][1,3]oxazin-2-yl)benzene-1,4-diol899984-93-1C21H17N3O3
- 2-(5-(Pyridin-2-yl)-5,10b-dihydro-1H-benzo[e]pyrazolo[1,5-c][1,3]oxazin-2-yl)benzene-1,4-diol899973-71-8C21H17N3O3
- 3-[1,3-Dihydro-1-(1H-indol-3-yl)-3-oxo-2H-isoindol-2-yl]-2,6-piperidinedione2636736-67-7C21H17N3O3
- 5-Anilino-2-(2-methoxyphenyl)-3-methyl-2H-indazole-4,7-dione53486-09-2C21H17N3O3
- 2-Amino-4-(2,5-dimethoxyphenyl)-6-phenyl-4H-pyran-3,5-dicarbonitrile406181-91-7C21H17N3O3
- 2-Naphthalen-2-yloxy-N-[(3-phenyl-1,2,4-oxadiazol-5-yl)methyl]acetamide896660-38-1C21H17N3O3
- 1,4-Benzodioxin-2-carboxamide, 2,3-dihydro-N-[4-(2-phenyldiazenyl)phenyl]-681170-02-5C21H17N3O3
- N-(2-Methoxyphenyl)-3-methyl-6-phenyl[1,2]oxazolo[5,4-b]pyridine-4-carboxamide1010593-28-8C21H17N3O3
- (E)-2-(Benzo[d][1,3]dioxol-5-yl)-N-(4-(phenyldiazenyl)phenyl)acetamide1020229-36-0C21H17N3O3
- 2-Cyano-3-(2,4-dimethoxyphenyl)-N-(quinolin-5-yl)prop-2-enamide474934-63-9C21H17N3O3
- 2-Cyano-3-(3,4-dimethoxyphenyl)-N-(quinolin-5-yl)prop-2-enamide1808472-27-6C21H17N3O3
- 2-Cyano-3-(4-ethoxy-2-hydroxyphenyl)-N-(quinolin-5-yl)prop-2-enamide479374-24-8C21H17N3O3
- N-[Phenyl[2-[(2-pyridinylcarbonyl)amino]phenyl]methylene]glycine261768-48-3C21H17N3O3
- 2-[(2-Methoxyphenoxy)methyl]-3-(4-pyridinyl)-4(3H)-quinazolinone75057-63-5C21H17N3O3
- Benzoic acid, 3-[[[4-(2-phenyldiazenyl)phenyl]amino]carbonyl]-, methyl ester940113-16-6C21H17N3O3
- Benzoic acid, 4-[[[4-(2-phenyldiazenyl)phenyl]amino]carbonyl]-, methyl ester476326-66-6C21H17N3O3
- N-(1-Benzyl-1H-pyrazol-5-yl)-6-methyl-4-oxo-4H-chromene-2-carboxamide1010863-71-4C21H17N3O3
- {3-[(Acridin-9-yl)amino]-5-(hydroxymethyl)phenyl}carbamic acid492431-26-2C21H17N3O3
- Benzamide, 4-(acetyloxy)-N-[4-(2-phenyldiazenyl)phenyl]-1014473-48-3C21H17N3O3
- Acetamide, 2-(4-formylphenoxy)-N-[4-(2-phenyldiazenyl)phenyl]-1182500-96-4C21H17N3O3
- 6-[[6-Methoxy-2-(3-pyridinyl)-1H-indol-3-yl]methyl]-2-pyridinecarboxylic acid1262876-76-5C21H17N3O3
- 1-Amino-4-(4-aminoanilino)-2-methoxyanthracene-9,10-dione28949-06-6C21H17N3O3
- 1-[3-[2-(1-Hydroxy-2-oxocyclopentyl)ethynyl]phenyl]-1H-indazole-3-carboxamide1658459-72-3C21H17N3O3
- Benzamide, 4-methoxy-N-methyl-N-(4-oxazolo[4,5-b]pyridin-2-ylphenyl)-2345100-00-5C21H17N3O3
- 2-Cyano-3-(2,3-dimethoxyphenyl)-N-(quinolin-5-yl)prop-2-enamide474501-40-1C21H17N3O3
- 4-(1H-Indol-5-yloxy)-7-(2-methoxyethoxy)quinoline-6-carbonitrile417722-59-9C21H17N3O3
- 1-Benzyl-3-(benzyloxy)-6-nitro-1H-indazole1305207-39-9C21H17N3O3
- Ethyl 2-azido-3-(3,4-diphenylfuran-2-yl)prop-2-enoate63874-12-4C21H17N3O3
- 2-Amino-1-(3-nitro-9H-carbazol-9-yl)-3-phenylpropan-1-one83277-53-6C21H17N3O3
- Methyl 2-(5-benzyl-1H-pyrazol-3-yl)-3-formyl-1H-indole-6-carboxylate1238062-68-4C21H17N3O3
- 1-Methyl-3-((4-(quinolin-2-yl)benzyl)oxy)-1H-pyrazole-4-carboxylic acid1401812-25-6C21H17N3O3
- 1,4-Benzodioxin-6-carboxamide, 2,3-dihydro-N-[4-[(1E)-2-phenyldiazenyl]phenyl]-1321788-19-5C21H17N3O3
- Benzyl N-{4-[(3-cyanopyridin-2-yl)oxy]-2-methylphenyl}carbamate2680765-28-8C21H17N3O3
- Benzyl N-[6-(2-cyanophenoxy)-4-methylpyridin-3-yl]carbamate2680748-09-6C21H17N3O3
- Benzyl N-{6-[4-(cyanomethyl)phenoxy]pyridin-3-yl}carbamate2680715-20-0C21H17N3O3
- (9H-Fluoren-9-yl)methyl 3-hydroxy-5H,6H,7H-pyrrolo[3,4-c]pyridazine-6-carboxylate2763915-55-3C21H17N3O3
- (9H-Fluoren-9-yl)methyl N-(4-acetylpyrimidin-2-yl)carbamate2770525-03-4C21H17N3O3
- 2,3-Dimethoxy-14-methylindolo[2',3':3,4]pyrido[2,1-b]quinazolin-5(14H)-one38990-12-4C21H17N3O3
Frequently asked questions
What is the molar mass of C21H17N3O3?
The molar mass of C21H17N3O3 is 359.39 g/mol, calculated from standard atomic weights for 21 carbon atoms, 17 hydrogen atoms, 3 nitrogen atoms and 3 oxygen atoms. The monoisotopic mass is 359.1270 Da.
How many compounds have the formula C21H17N3O3?
CompoundList lists 173 compounds with the molecular formula C21H17N3O3, including N-[[4-([1,3]Oxazolo[4,5-b]pyridin-2-yl)phenyl]methyl]-2-phenoxyacetamide, N-(4-(4-Methoxyphenyl)-1,2,5-oxadiazol-3-yl)-2-(naphthalen-1-yl)acetamide, N-(2-((6-(Furan-2-yl)pyridazin-3-yl)oxy)ethyl)-2-naphthamide. 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 C21H17N3O3?
C21H17N3O3 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.