CompoundList
Molecular formula

C21H17N3O4

171 compounds have this formula on CompoundList.

Molar mass
375.38g/mol
Monoisotopic mass
375.1219Da
Atoms
45
Elements
4
Rings plus double bonds
15

The formula C21H17N3O4 describes a molecule made of 21 carbon atoms, 17 hydrogen atoms, 3 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 × 2167.19%
    12.011 × 21 = 252.231 g/mol
  • H Hydrogen × 174.56%
    1.008 × 17 = 17.136 g/mol
  • N Nitrogen × 311.19%
    14.007 × 3 = 42.021 g/mol
  • O Oxygen × 417.05%
    15.999 × 4 = 63.996 g/mol
Look up another formula

Compounds with the formula C21H17N3O4

Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.

Showing 101 to 171 of 171 compounds

2-Ethoxy-N-[4-[5-(furan-2-yl)-1,3,4-oxadiazol-2-yl]phenyl]benzamide chemical structure, C21H17N3O4, CAS 847469-39-0
2-Ethoxy-N-[4-[5-(furan-2-yl)-1,3,4-oxadiazol-2-yl]phenyl]benzamide
CAS 847469-39-0C21H17N3O4
Acetamide, 2-(1,3-benzodioxol-5-yloxy)-N-[4-(2-phenyldiazenyl)phenyl]- chemical structure, C21H17N3O4, CAS 734539-79-8
Acetamide, 2-(1,3-benzodioxol-5-yloxy)-N-[4-(2-phenyldiazenyl)phenyl]-
CAS 734539-79-8C21H17N3O4
Benzoic acid, 4-hydroxy-, 2-oxo-2-[[4-(2-phenyldiazenyl)phenyl]amino]ethyl ester chemical structure, C21H17N3O4, CAS 730992-82-2
Benzoic acid, 4-hydroxy-, 2-oxo-2-[[4-(2-phenyldiazenyl)phenyl]amino]ethyl ester
CAS 730992-82-2C21H17N3O4
N-[4-(3,4-Dimethoxyphenyl)-1,2,5-oxadiazol-3-yl]naphthalene-1-carboxamide chemical structure, C21H17N3O4, CAS 879575-98-1
N-[4-(3,4-Dimethoxyphenyl)-1,2,5-oxadiazol-3-yl]naphthalene-1-carboxamide
CAS 879575-98-1C21H17N3O4
2-(2-(2-Aminobenzoylamino)benzoylamino)benzoic acid chemical structure, C21H17N3O4, CAS 83432-87-5
2-(2-(2-Aminobenzoylamino)benzoylamino)benzoic acid
CAS 83432-87-5C21H17N3O4
6,7-Bis(4-methoxyphenyl)pyrazolo[1,5-a]pyrimidine-3-carboxylic acid chemical structure, C21H17N3O4, CAS 632361-70-7
6,7-Bis(4-methoxyphenyl)pyrazolo[1,5-a]pyrimidine-3-carboxylic acid
CAS 632361-70-7C21H17N3O4
6,7-Bis(4-methoxyphenyl)pyrazolo[1,5-a]pyrimidine-2-carboxylic acid chemical structure, C21H17N3O4, CAS 632361-71-8
6,7-Bis(4-methoxyphenyl)pyrazolo[1,5-a]pyrimidine-2-carboxylic acid
CAS 632361-71-8C21H17N3O4
2-Oxo-N-{4-[4-(propan-2-yl)phenyl]-1,2,5-oxadiazol-3-yl}-2H-chromene-3-carboxamide chemical structure, C21H17N3O4, CAS 951930-28-2
2-Oxo-N-{4-[4-(propan-2-yl)phenyl]-1,2,5-oxadiazol-3-yl}-2H-chromene-3-carboxamide
CAS 951930-28-2C21H17N3O4
N-(Furan-2-ylmethyl)-3-(2-methoxyphenyl)-4-oxo-3,4-dihydroquinazoline-7-carboxamide chemical structure, C21H17N3O4, CAS 1144498-89-4
N-(Furan-2-ylmethyl)-3-(2-methoxyphenyl)-4-oxo-3,4-dihydroquinazoline-7-carboxamide
CAS 1144498-89-4C21H17N3O4
5-(2-Methoxyphenyl)-2-(4-methoxyphenyl)-3H-imidazo[4,5-b]pyridine-7-carboxylic acid chemical structure, C21H17N3O4, CAS 1020978-80-6
5-(2-Methoxyphenyl)-2-(4-methoxyphenyl)-3H-imidazo[4,5-b]pyridine-7-carboxylic acid
CAS 1020978-80-6C21H17N3O4
N-((5-(2,3-Dihydrobenzo[b][1,4]dioxin-6-yl)isoxazol-3-yl)methyl)-1H-indole-3-carboxamide chemical structure, C21H17N3O4, CAS 1207013-50-0
N-((5-(2,3-Dihydrobenzo[b][1,4]dioxin-6-yl)isoxazol-3-yl)methyl)-1H-indole-3-carboxamide
CAS 1207013-50-0C21H17N3O4
2-Amino-4-phenyl-6-(3,4-dimethyloxy-phenyl)-3-nitrobenzonitrile chemical structure, C21H17N3O4, CAS 1162678-10-5
2-Amino-4-phenyl-6-(3,4-dimethyloxy-phenyl)-3-nitrobenzonitrile
CAS 1162678-10-5C21H17N3O4
5-(4,5-Bis(benzyloxy)pyridin-2-yl)-1,3,4-oxadiazol-2(5H)-one chemical structure, C21H17N3O4, CAS 1229937-09-0
5-(4,5-Bis(benzyloxy)pyridin-2-yl)-1,3,4-oxadiazol-2(5H)-one
CAS 1229937-09-0C21H17N3O4
N-(2-Cyanophenyl)-N'-{2-[4-(furan-2-yl)phenyl]-2-hydroxyethyl}ethanediamide chemical structure, C21H17N3O4, CAS 2097934-35-3
N-(2-Cyanophenyl)-N'-{2-[4-(furan-2-yl)phenyl]-2-hydroxyethyl}ethanediamide
CAS 2097934-35-3C21H17N3O4
5-(3-Ethoxy-2-hydroxyphenyl)-2-phenyl-3H-imidazo[4,5-b]pyridine-7-carboxylic acid chemical structure, C21H17N3O4, CAS 1021225-47-7
5-(3-Ethoxy-2-hydroxyphenyl)-2-phenyl-3H-imidazo[4,5-b]pyridine-7-carboxylic acid
CAS 1021225-47-7C21H17N3O4
5-(3-Ethoxy-4-hydroxyphenyl)-2-phenyl-3H-imidazo[4,5-b]pyridine-7-carboxylic acid chemical structure, C21H17N3O4, CAS 1021113-20-1
5-(3-Ethoxy-4-hydroxyphenyl)-2-phenyl-3H-imidazo[4,5-b]pyridine-7-carboxylic acid
CAS 1021113-20-1C21H17N3O4
2,4(1H,3H)-Quinazolinedione, 3-[[(6,7,8,9-tetrahydro-2-hydroxy-1-dibenzofuranyl)methylene]amino]- chemical structure, C21H17N3O4, CAS 578735-01-0
2,4(1H,3H)-Quinazolinedione, 3-[[(6,7,8,9-tetrahydro-2-hydroxy-1-dibenzofuranyl)methylene]amino]-
CAS 578735-01-0C21H17N3O4
Benzoic acid, 2-[[[2-methoxy-4-(2-phenyldiazenyl)phenyl]amino]carbonyl]- chemical structure, C21H17N3O4, CAS 882345-31-5
Benzoic acid, 2-[[[2-methoxy-4-(2-phenyldiazenyl)phenyl]amino]carbonyl]-
CAS 882345-31-5C21H17N3O4
N-(Phenylcarbamoyl)-N-[(phenylcarbamoyl)oxy]benzamide chemical structure, C21H17N3O4, CAS 88074-60-6
N-(Phenylcarbamoyl)-N-[(phenylcarbamoyl)oxy]benzamide
CAS 88074-60-6C21H17N3O4
6-[(4-Oxo-1H-quinolin-3-yl)carbonylamino]-1H-indole-7-carboxylic acid ethyl ester chemical structure, C21H17N3O4, CAS 873054-23-0
6-[(4-Oxo-1H-quinolin-3-yl)carbonylamino]-1H-indole-7-carboxylic acid ethyl ester
CAS 873054-23-0C21H17N3O4
Imidazo[1,5-a]pyridine-3-carboxylic acid, 1-[3-[2-[(3R)-3-hydroxy-1-methyl-2-oxo-3-pyrrolidinyl]ethynyl]phenyl]- chemical structure, C21H17N3O4, CAS 1799615-93-2
Imidazo[1,5-a]pyridine-3-carboxylic acid, 1-[3-[2-[(3R)-3-hydroxy-1-methyl-2-oxo-3-pyrrolidinyl]ethynyl]phenyl]-
CAS 1799615-93-2C21H17N3O4
5,6-Bis(3-acetylanilino)pyridine-2,3-dione chemical structure, C21H17N3O4, CAS 660398-94-7
5,6-Bis(3-acetylanilino)pyridine-2,3-dione
CAS 660398-94-7C21H17N3O4
(2Z)-N-Acetyl-2-[(4-cyanophenyl)imino]-7-ethoxy-2H-chromene-3-carboxamide chemical structure, C21H17N3O4, CAS 2321338-30-9
(2Z)-N-Acetyl-2-[(4-cyanophenyl)imino]-7-ethoxy-2H-chromene-3-carboxamide
CAS 2321338-30-9C21H17N3O4
N-{2-Hydroxy-2-[4-(1H-pyrazol-1-yl)phenyl]ethyl}-2-oxo-2H-chromene-3-carboxamide chemical structure, C21H17N3O4, CAS 2415501-45-8
N-{2-Hydroxy-2-[4-(1H-pyrazol-1-yl)phenyl]ethyl}-2-oxo-2H-chromene-3-carboxamide
CAS 2415501-45-8C21H17N3O4

Frequently asked questions

What is the molar mass of C21H17N3O4?

The molar mass of C21H17N3O4 is 375.38 g/mol, calculated from standard atomic weights for 21 carbon atoms, 17 hydrogen atoms, 3 nitrogen atoms and 4 oxygen atoms. The monoisotopic mass is 375.1219 Da.

How many compounds have the formula C21H17N3O4?

CompoundList lists 171 compounds with the molecular formula C21H17N3O4, including 2-Ethoxy-N-[4-[5-(furan-2-yl)-1,3,4-oxadiazol-2-yl]phenyl]benzamide, Acetamide, 2-(1,3-benzodioxol-5-yloxy)-N-[4-(2-phenyldiazenyl)phenyl]-, Benzoic acid, 4-hydroxy-, 2-oxo-2-[[4-(2-phenyldiazenyl)phenyl]amino]ethyl ester. 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 C21H17N3O4?

C21H17N3O4 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.