Molecular formula
C21H17N5O4
45 compounds have this formula on CompoundList.
- Molar mass
- 403.40g/mol
- Monoisotopic mass
- 403.1281Da
- Atoms
- 47
- Elements
- 4
- Rings plus double bonds
- 16
The formula C21H17N5O4 describes a molecule made of 21 carbon atoms, 17 hydrogen atoms, 5 nitrogen atoms and 4 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 × 2162.53%12.011 × 21 = 252.231 g/mol
- H Hydrogen × 174.25%1.008 × 17 = 17.136 g/mol
- N Nitrogen × 517.36%14.007 × 5 = 70.035 g/mol
- O Oxygen × 415.86%15.999 × 4 = 63.996 g/mol
Look up another formula
Compounds with the formula C21H17N5O4
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 45 of 45 compounds
2-N,6-N-bis(2-carbamoylphenyl)pyridine-2,6-dicarboxamide
CAS 548466-91-7C21H17N5O4
N-(3-Cyanopyrimido(1,2-A)benzimidazol-2-yl)-3,4,5-trimethoxybenzamide
CAS 116477-70-4C21H17N5O4
![N-[2-(4-Methoxyphenyl)-6-methylbenzotriazol-5-yl]-4-nitrobenzamide chemical structure, C21H17N5O4, CAS 335420-90-1](/s/KBBCRRQUQOZPLF-UHFFFAOYSA-N.svg)
N-[2-(4-Methoxyphenyl)-6-methylbenzotriazol-5-yl]-4-nitrobenzamide
CAS 335420-90-1C21H17N5O4
![N-[2-(4-Methoxyphenyl)-6-methylbenzotriazol-5-yl]-2-nitrobenzamide chemical structure, C21H17N5O4, CAS 403670-39-3](/s/JIRKTXRPWUCSBB-UHFFFAOYSA-N.svg)
N-[2-(4-Methoxyphenyl)-6-methylbenzotriazol-5-yl]-2-nitrobenzamide
CAS 403670-39-3C21H17N5O4
![N-[2-(4-Ethoxyphenyl)benzotriazol-5-yl]-2-nitrobenzamide chemical structure, C21H17N5O4, CAS 352666-78-5](/s/GBTBDCOKSYTUAB-UHFFFAOYSA-N.svg)
N-[2-(4-Ethoxyphenyl)benzotriazol-5-yl]-2-nitrobenzamide
CAS 352666-78-5C21H17N5O4
(6-Benzhydryloxycarbonylamino-purin-9-yl)-acetic acid
CAS 186046-80-0C21H17N5O4
![N-(3-Methyl-1-(4-oxo-4,5,6,7-tetrahydro-3H-cyclopenta[d]pyrimidin-2-yl)-1H-pyrazol-5-yl)-4-oxo-4H-chromene-2-carboxamide chemical structure, C21H17N5O4, CAS 1002483-37-5](/s/XSSZFXVBBLGFCV-UHFFFAOYSA-N.svg)
N-(3-Methyl-1-(4-oxo-4,5,6,7-tetrahydro-3H-cyclopenta[d]pyrimidin-2-yl)-1H-pyrazol-5-yl)-4-oxo-4H-chromene-2-carboxamide
CAS 1002483-37-5C21H17N5O4
![Dimethyl 5-((1-phenyl-1H-pyrazolo[3,4-d]pyrimidin-4-yl)amino)isophthalate chemical structure, C21H17N5O4, CAS 393786-64-6](/s/REBUVGIUWMZHDD-UHFFFAOYSA-N.svg)
Dimethyl 5-((1-phenyl-1H-pyrazolo[3,4-d]pyrimidin-4-yl)amino)isophthalate
CAS 393786-64-6C21H17N5O4
![N-[2-(4-Methoxyphenyl)-6-methylbenzotriazol-5-yl]-3-nitrobenzamide chemical structure, C21H17N5O4, CAS 335420-89-8](/s/BDWXPHSDYQLAML-UHFFFAOYSA-N.svg)
N-[2-(4-Methoxyphenyl)-6-methylbenzotriazol-5-yl]-3-nitrobenzamide
CAS 335420-89-8C21H17N5O4
![N-(2,3-Dihydro-1,4-benzodioxin-6-yl)-2-{4-oxo-1-phenyl-1H,4H,5H-pyrazolo[3,4-d]pyrimidin-5-yl}acetamide chemical structure, C21H17N5O4, CAS 722489-75-0](/s/SJVYJAHOZOGQNN-UHFFFAOYSA-N.svg)
N-(2,3-Dihydro-1,4-benzodioxin-6-yl)-2-{4-oxo-1-phenyl-1H,4H,5H-pyrazolo[3,4-d]pyrimidin-5-yl}acetamide
CAS 722489-75-0C21H17N5O4
![N-(2H-1,3-Benzodioxol-5-yl)-2-{5-methyl-3-oxo-7-phenyl-2H,3H-[1,2,4]triazolo[4,3-c]pyrimidin-2-yl}acetamide chemical structure, C21H17N5O4, CAS 1251602-99-9](/s/CZCBCOMSJLGJSF-UHFFFAOYSA-N.svg)
N-(2H-1,3-Benzodioxol-5-yl)-2-{5-methyl-3-oxo-7-phenyl-2H,3H-[1,2,4]triazolo[4,3-c]pyrimidin-2-yl}acetamide
CAS 1251602-99-9C21H17N5O4
![Methyl 4-(2-(4-oxo-1-phenyl-1H-pyrazolo[3,4-d]pyrimidin-5(4H)-yl)acetamido)benzoate chemical structure, C21H17N5O4, CAS 750620-91-8](/s/FSKICNVZWWVVQP-UHFFFAOYSA-N.svg)
Methyl 4-(2-(4-oxo-1-phenyl-1H-pyrazolo[3,4-d]pyrimidin-5(4H)-yl)acetamido)benzoate
CAS 750620-91-8C21H17N5O4
(Z)-N-(1-(1-Cyano-2-oxo-2-(propylamino)ethylidene)-1H-isoindol-3-yl)-3-nitrobenzamide
CAS 892614-26-5C21H17N5O4
9-(1,3-Benzodioxol-5-yl)-2-(4-ethylphenyl)-8-oxo-7H-purine-6-carboxamide
CAS 898443-35-1C21H17N5O4
(Z)-N-(1-(1-Cyano-2-oxo-2-(propylamino)ethylidene)-1H-isoindol-3-yl)-4-nitrobenzamide
CAS 892623-51-7C21H17N5O4
![N-(Benzo[d][1,3]dioxol-5-yl)-3-(4-oxo-1-phenyl-1H-pyrazolo[3,4-d]pyrimidin-5(4H)-yl)propanamide chemical structure, C21H17N5O4, CAS 946234-90-8](/s/DIFFLTCXMOWOPO-UHFFFAOYSA-N.svg)
N-(Benzo[d][1,3]dioxol-5-yl)-3-(4-oxo-1-phenyl-1H-pyrazolo[3,4-d]pyrimidin-5(4H)-yl)propanamide
CAS 946234-90-8C21H17N5O4
![Methyl 4-{[(4-oxo-2-phenylpyrazolo[1,5-d][1,2,4]triazin-5(4H)-yl)acetyl]amino}benzoate chemical structure, C21H17N5O4, CAS 1021020-47-2](/s/ZZQPAQRJJWCYRK-UHFFFAOYSA-N.svg)
Methyl 4-{[(4-oxo-2-phenylpyrazolo[1,5-d][1,2,4]triazin-5(4H)-yl)acetyl]amino}benzoate
CAS 1021020-47-2C21H17N5O4
![Methyl 2-{[(4-oxo-2-phenylpyrazolo[1,5-d][1,2,4]triazin-5(4H)-yl)acetyl]amino}benzoate chemical structure, C21H17N5O4, CAS 1020968-52-8](/s/HQGFOKQBQNFJLK-UHFFFAOYSA-N.svg)
Methyl 2-{[(4-oxo-2-phenylpyrazolo[1,5-d][1,2,4]triazin-5(4H)-yl)acetyl]amino}benzoate
CAS 1020968-52-8C21H17N5O4
![N-(2,3-Dihydro-1,4-benzodioxin-6-yl)-2-(4-oxo-2-phenylpyrazolo[1,5-d][1,2,4]triazin-5(4H)-yl)acetamide chemical structure, C21H17N5O4, CAS 1021078-92-1](/s/KZZTURBVQTZGHA-UHFFFAOYSA-N.svg)
N-(2,3-Dihydro-1,4-benzodioxin-6-yl)-2-(4-oxo-2-phenylpyrazolo[1,5-d][1,2,4]triazin-5(4H)-yl)acetamide
CAS 1021078-92-1C21H17N5O4
![N-(Benzo[d][1,3]dioxol-5-yl)-2-(4-oxo-1-(p-tolyl)-1H-pyrazolo[3,4-d]pyrimidin-5(4H)-yl)acetamide chemical structure, C21H17N5O4, CAS 863446-67-7](/s/BGTWQPWKMSOHFJ-UHFFFAOYSA-N.svg)
N-(Benzo[d][1,3]dioxol-5-yl)-2-(4-oxo-1-(p-tolyl)-1H-pyrazolo[3,4-d]pyrimidin-5(4H)-yl)acetamide
CAS 863446-67-7C21H17N5O4
![Methyl 3-(2-{3-oxo-6-phenyl-2H,3H-[1,2,4]triazolo[4,3-b]pyridazin-2-yl}acetamido)benzoate chemical structure, C21H17N5O4, CAS 1251680-22-4](/s/VBGFYNWTFWBVOO-UHFFFAOYSA-N.svg)
Methyl 3-(2-{3-oxo-6-phenyl-2H,3H-[1,2,4]triazolo[4,3-b]pyridazin-2-yl}acetamido)benzoate
CAS 1251680-22-4C21H17N5O4
![6-Amino-3-(4-ethoxyphenyl)-4-(3-nitrophenyl)-1,4-dihydropyrano[2,3-c]pyrazole-5-carbonitrile chemical structure, C21H17N5O4, CAS 694468-52-5](/s/VESGXJKUWHNPBW-UHFFFAOYSA-N.svg)
6-Amino-3-(4-ethoxyphenyl)-4-(3-nitrophenyl)-1,4-dihydropyrano[2,3-c]pyrazole-5-carbonitrile
CAS 694468-52-5C21H17N5O4
![N-(Benzo[d][1,3]dioxol-5-ylmethyl)-2-(4-oxo-1-phenyl-1H-pyrazolo[3,4-d]pyrimidin-5(4H)-yl)acetamide chemical structure, C21H17N5O4, CAS 852440-26-7](/s/UJOWSDMDUNXYNX-UHFFFAOYSA-N.svg)
N-(Benzo[d][1,3]dioxol-5-ylmethyl)-2-(4-oxo-1-phenyl-1H-pyrazolo[3,4-d]pyrimidin-5(4H)-yl)acetamide
CAS 852440-26-7C21H17N5O4
![N-(1-(3,4-Dimethylphenyl)-4-oxo-1H-pyrazolo[3,4-d]pyrimidin-5(4H)-yl)benzo[d][1,3]dioxole-5-carboxamide chemical structure, C21H17N5O4, CAS 941971-21-7](/s/PHSFSNDTBXBQTN-UHFFFAOYSA-N.svg)
N-(1-(3,4-Dimethylphenyl)-4-oxo-1H-pyrazolo[3,4-d]pyrimidin-5(4H)-yl)benzo[d][1,3]dioxole-5-carboxamide
CAS 941971-21-7C21H17N5O4
- N-(3-Acetylphenyl)-2-(3-oxo-8-phenoxy-[1,2,4]triazolo[4,3-a]pyrazin-2(3H)-yl)acetamide1251633-64-3C21H17N5O4
- 4-[3-({[(1-Methyl-1H-indazol-5-yl)amino]carbonyl}amino)phenoxy]pyridine-2-carboxylic Acid757251-79-9C21H17N5O4
- 5-[3,4-Bis(benzyloxy)-5-nitrophenyl]-2H-tetrazole923287-98-3C21H17N5O4
- N-(3-Cyclopropyl-1-(4-methyl-6-oxo-1,6-dihydropyrimidin-2-yl)-1H-pyrazol-5-yl)-4-oxo-4H-chromene-2-carboxamide1207042-79-2C21H17N5O4
- N-(4-(Furan-2-yl)-1-methyl-6-oxo-4,5,6,7-tetrahydro-1H-pyrazolo[3,4-b]pyridin-3-yl)-5-phenylisoxazole-3-carboxamide1202976-59-7C21H17N5O4
- N-Dibenzofuran-3-yl-2-(1,3-dimethyl-2,6-dioxopurin-7-yl)acetamide606096-49-5C21H17N5O4
- N-(1,3-Benzodioxol-5-ylmethyl)-2-imino-1-methyl-5-oxo-1,5-dihydro-2H-dipyrido[1,2-a:2',3'-d]pyrimidine-3-carboxamide843633-74-9C21H17N5O4
- N-(1,3-Benzodioxol-5-yl)-2-[1-(2-methylphenyl)-4-oxopyrazolo[3,4-d]pyrimidin-5-yl]acetamide887457-00-3C21H17N5O4
- 9-(Benzo[d][1,3]dioxol-5-yl)-8-oxo-2-phenethyl-8,9-dihydro-7H-purine-6-carboxamide941995-05-7C21H17N5O4
- N-(Benzo[d][1,3]dioxol-5-yl)-2-(4-methyl-7-oxo-1-phenyl-1H-pyrazolo[3,4-d]pyridazin-6(7H)-yl)acetamide942008-56-2C21H17N5O4
- N-(4-Carbamoylphenyl)-5-methyl-2,4-dioxo-3-phenyl-2,3,4,5-tetrahydro-1H-pyrrolo[3,2-d]pyrimidine-7-carboxamide921850-85-3C21H17N5O4
- 3-Methyl-N-(3-nitrophenyl)-4-oxo-1-(p-tolyl)-4,7-dihydro-1H-pyrazolo[3,4-b]pyridine-5-carboxamide898431-87-3C21H17N5O4
- 3-Methyl-N-(4-nitrophenyl)-4-oxo-1-(p-tolyl)-4,7-dihydro-1H-pyrazolo[3,4-b]pyridine-5-carboxamide898457-96-0C21H17N5O4
- N-(1-((2,3-Dihydrobenzo[b][1,4]dioxin-2-yl)methyl)-1H-pyrazol-4-yl)-5-(pyridin-3-yl)isoxazole-3-carboxamide1706083-15-9C21H17N5O4
- N'-[(E)-{2-Hydroxy-5-[(E)-(4-nitrophenyl)diazenyl]phenyl}methylidene]-2-phenylacetohydrazide413580-68-4C21H17N5O4
- Methyl 2-(2-(3-oxo-6-phenyl-[1,2,4]triazolo[4,3-b]pyridazin-2(3H)-yl)acetamido)benzoate1251619-24-5C21H17N5O4
- 3-(2-Oxo-2-{3-[6-oxo-3-(pyridin-4-yl)-1,6-dihydropyridazin-1-yl]azetidin-1-yl}ethyl)-2,3-dihydro-1,3-benzoxazol-2-one2380180-61-8C21H17N5O4
- Benzeneacetic acid, 2-[[2-hydroxy-5-[2-(4-nitrophenyl)diazenyl]phenyl]methylene]hydrazideC21H17N5O4
- N-[3-Methyl-1-(2-quinolinyl)-1H-pyrazol-5-yl]-2-(4-nitrophenoxy)acetamide1177724-97-8C21H17N5O4
- 4-((4-(7-(Methoxycarbonyl)-2-methylimidazo[1,2-a]pyridin-3-yl)pyrimidin-2-yl)amino)benzoic acid1204526-37-3C21H17N5O4
- N-[2-(2,6-Dioxopiperidin-3-yl)-1-oxo-3H-isoindol-5-yl]imidazo[1,2-a]pyridine-2-carboxamide3099928-67-0C21H17N5O4
Frequently asked questions
What is the molar mass of C21H17N5O4?
The molar mass of C21H17N5O4 is 403.40 g/mol, calculated from standard atomic weights for 21 carbon atoms, 17 hydrogen atoms, 5 nitrogen atoms and 4 oxygen atoms. The monoisotopic mass is 403.1281 Da.
How many compounds have the formula C21H17N5O4?
CompoundList lists 45 compounds with the molecular formula C21H17N5O4, including 2-N,6-N-bis(2-carbamoylphenyl)pyridine-2,6-dicarboxamide, N-(3-Cyanopyrimido(1,2-A)benzimidazol-2-yl)-3,4,5-trimethoxybenzamide, N-[2-(4-Methoxyphenyl)-6-methylbenzotriazol-5-yl]-4-nitrobenzamide. 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 C21H17N5O4?
C21H17N5O4 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.