CompoundList
Molecular formula

C21H19NO4

262 compounds have this formula on CompoundList.

Molar mass
349.39g/mol
Monoisotopic mass
349.1314Da
Atoms
45
Elements
4
Rings plus double bonds
13

The formula C21H19NO4 describes a molecule made of 21 carbon atoms, 19 hydrogen atoms, 1 nitrogen atom 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 × 2172.19%
    12.011 × 21 = 252.231 g/mol
  • H Hydrogen × 195.48%
    1.008 × 19 = 19.152 g/mol
  • N Nitrogen × 14.01%
    14.007 × 1 = 14.007 g/mol
  • O Oxygen × 418.32%
    15.999 × 4 = 63.996 g/mol
Look up another formula

Compounds with the formula C21H19NO4

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

Showing 101 to 200 of 262 compounds

N-(2-(4-Methoxybenzoyl)-3-methylbenzofuran-5-yl)cyclopropanecarboxamide chemical structure, C21H19NO4, CAS 929472-13-9
N-(2-(4-Methoxybenzoyl)-3-methylbenzofuran-5-yl)cyclopropanecarboxamide
CAS 929472-13-9C21H19NO4
9-Cyclopropyl-3-(4-methoxyphenyl)-9,10-dihydrochromeno[8,7-e][1,3]oxazin-2(8H)-one chemical structure, C21H19NO4, CAS 946234-89-5
9-Cyclopropyl-3-(4-methoxyphenyl)-9,10-dihydrochromeno[8,7-e][1,3]oxazin-2(8H)-one
CAS 946234-89-5C21H19NO4
3-{[(9H-Fluoren-9-yl)methoxy]carbonyl}-3-azabicyclo[3.1.0]hexane-1-carboxylic acid chemical structure, C21H19NO4, CAS 1935920-81-2
3-{[(9H-Fluoren-9-yl)methoxy]carbonyl}-3-azabicyclo[3.1.0]hexane-1-carboxylic acid
CAS 1935920-81-2C21H19NO4
N-(2-Ethoxyphenyl)-2-oxo-8-(prop-2-en-1-yl)-2H-chromene-3-carboxamide chemical structure, C21H19NO4, CAS 325803-45-0
N-(2-Ethoxyphenyl)-2-oxo-8-(prop-2-en-1-yl)-2H-chromene-3-carboxamide
CAS 325803-45-0C21H19NO4
4,4,6-Trimethyl-1,2-dioxo-1,2,5,6-tetrahydro-4H-pyrrolo[3,2,1-ij]quinolin-8-yl benzoate chemical structure, C21H19NO4, CAS 524056-15-3
4,4,6-Trimethyl-1,2-dioxo-1,2,5,6-tetrahydro-4H-pyrrolo[3,2,1-ij]quinolin-8-yl benzoate
CAS 524056-15-3C21H19NO4
2-(4-Ethoxyphenyl)-2-oxoethyl 2-methyl-4-quinolinecarboxylate chemical structure, C21H19NO4, CAS 938667-61-9
2-(4-Ethoxyphenyl)-2-oxoethyl 2-methyl-4-quinolinecarboxylate
CAS 938667-61-9C21H19NO4
2-((2-Methoxyethyl)amino)-3-(p-tolyl)-4H-furo[3,2-c]chromen-4-one chemical structure, C21H19NO4, CAS 938031-05-1
2-((2-Methoxyethyl)amino)-3-(p-tolyl)-4H-furo[3,2-c]chromen-4-one
CAS 938031-05-1C21H19NO4
Fmoc-1,2,5,6-tetrahydropyridine-4-carboxylic acid chemical structure, C21H19NO4, CAS 1185295-07-1
Fmoc-1,2,5,6-tetrahydropyridine-4-carboxylic acid
CAS 1185295-07-1C21H19NO4
1-{[(9H-Fluoren-9-yl)methoxy]carbonyl}-1,2,3,6-tetrahydropyridine-3-carboxylic acid chemical structure, C21H19NO4, CAS 1262769-81-2
1-{[(9H-Fluoren-9-yl)methoxy]carbonyl}-1,2,3,6-tetrahydropyridine-3-carboxylic acid
CAS 1262769-81-2C21H19NO4
(1R,2R,5S)-3-(9H-Fluoren-9-ylmethoxycarbonyl)-3-azabicyclo[3.1.0]hexane-2-carboxylic acid chemical structure, C21H19NO4, CAS 2382052-27-7
(1R,2R,5S)-3-(9H-Fluoren-9-ylmethoxycarbonyl)-3-azabicyclo[3.1.0]hexane-2-carboxylic acid
CAS 2382052-27-7C21H19NO4
Methyl (5E)-5-[4-(benzyloxy)benzylidene]-2-methyl-4-oxo-4,5-dihydro-1H-pyrrole-3-carboxylate chemical structure, C21H19NO4, CAS 423727-33-7
Methyl (5E)-5-[4-(benzyloxy)benzylidene]-2-methyl-4-oxo-4,5-dihydro-1H-pyrrole-3-carboxylate
CAS 423727-33-7C21H19NO4
(1R,5R)-3-{[(9H-Fluoren-9-yl)methoxy]carbonyl}-3-azabicyclo[3.1.0]hexane-1-carboxylic acid chemical structure, C21H19NO4, CAS 2381048-87-7
(1R,5R)-3-{[(9H-Fluoren-9-yl)methoxy]carbonyl}-3-azabicyclo[3.1.0]hexane-1-carboxylic acid
CAS 2381048-87-7C21H19NO4
2,6-Dimethoxy-N-(4-phenoxyphenyl)benzamide chemical structure, C21H19NO4, CAS 543708-19-6
2,6-Dimethoxy-N-(4-phenoxyphenyl)benzamide
CAS 543708-19-6C21H19NO4
2-[4-(2-Methoxyphenoxy)phenyl]-3a,4,7,7a-tetrahydroisoindole-1,3-dione chemical structure, C21H19NO4, CAS 667446-90-4
2-[4-(2-Methoxyphenoxy)phenyl]-3a,4,7,7a-tetrahydroisoindole-1,3-dione
CAS 667446-90-4C21H19NO4
4-(3-Methoxyphenyl)-1-(3-methylphenyl)-4,7-dihydro-3H-furo[3,4-b]pyridine-2,5-dione chemical structure, C21H19NO4, CAS 900890-25-7
4-(3-Methoxyphenyl)-1-(3-methylphenyl)-4,7-dihydro-3H-furo[3,4-b]pyridine-2,5-dione
CAS 900890-25-7C21H19NO4
2-Methoxy-4-[(E)-2-(8-methoxyquinolin-2-yl)ethenyl]phenyl acetate chemical structure, C21H19NO4, CAS 695167-81-8
2-Methoxy-4-[(E)-2-(8-methoxyquinolin-2-yl)ethenyl]phenyl acetate
CAS 695167-81-8C21H19NO4
2-Oxo-N-(4-phenoxyphenyl)hexahydro-2H-3,5-methanocyclopenta[b]furan-7-carboxamide chemical structure, C21H19NO4, CAS 1009496-07-4
2-Oxo-N-(4-phenoxyphenyl)hexahydro-2H-3,5-methanocyclopenta[b]furan-7-carboxamide
CAS 1009496-07-4C21H19NO4
Methyl (S)-2-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)pent-4-ynoate chemical structure, C21H19NO4, CAS 1063719-63-0
Methyl (S)-2-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)pent-4-ynoate
CAS 1063719-63-0C21H19NO4
3-[(2E)-3-[4-(Dimethylamino)phenyl]prop-2-enoyl]-8-methoxy-2H-chromen-2-one chemical structure, C21H19NO4, CAS 690213-84-4
3-[(2E)-3-[4-(Dimethylamino)phenyl]prop-2-enoyl]-8-methoxy-2H-chromen-2-one
CAS 690213-84-4C21H19NO4
(S,E)-Methyl 2-methyl-4-(1,3-dioxoisoindolin-2-yl)-5-phenylpent-2-enoate chemical structure, C21H19NO4, CAS 1326776-49-1
(S,E)-Methyl 2-methyl-4-(1,3-dioxoisoindolin-2-yl)-5-phenylpent-2-enoate
CAS 1326776-49-1C21H19NO4
2-(1-{[(9H-Fluoren-9-yl)methoxy]carbonyl}azetidin-3-ylidene)propanoic acid chemical structure, C21H19NO4, CAS 2138398-73-7
2-(1-{[(9H-Fluoren-9-yl)methoxy]carbonyl}azetidin-3-ylidene)propanoic acid
CAS 2138398-73-7C21H19NO4
2-[(But-3-yn-1-yl)({[(9H-fluoren-9-yl)methoxy]carbonyl})amino]acetic acid chemical structure, C21H19NO4, CAS 2639454-35-4
2-[(But-3-yn-1-yl)({[(9H-fluoren-9-yl)methoxy]carbonyl})amino]acetic acid
CAS 2639454-35-4C21H19NO4
(6R)-5-(9H-Fluoren-9-ylmethoxycarbonyl)-5-azaspiro[2.3]hexane-6-carboxylic acid chemical structure, C21H19NO4, CAS 2739911-56-7
(6R)-5-(9H-Fluoren-9-ylmethoxycarbonyl)-5-azaspiro[2.3]hexane-6-carboxylic acid
CAS 2739911-56-7C21H19NO4
3-Methoxy-N-[4-(2-methoxyphenoxy)phenyl]benzamide chemical structure, C21H19NO4, CAS 667446-94-8
3-Methoxy-N-[4-(2-methoxyphenoxy)phenyl]benzamide
CAS 667446-94-8C21H19NO4

Frequently asked questions

What is the molar mass of C21H19NO4?

The molar mass of C21H19NO4 is 349.39 g/mol, calculated from standard atomic weights for 21 carbon atoms, 19 hydrogen atoms, 1 nitrogen atom and 4 oxygen atoms. The monoisotopic mass is 349.1314 Da.

How many compounds have the formula C21H19NO4?

CompoundList lists 262 compounds with the molecular formula C21H19NO4, including N-(2-(4-Methoxybenzoyl)-3-methylbenzofuran-5-yl)cyclopropanecarboxamide, 9-Cyclopropyl-3-(4-methoxyphenyl)-9,10-dihydrochromeno[8,7-e][1,3]oxazin-2(8H)-one, 3-{[(9H-Fluoren-9-yl)methoxy]carbonyl}-3-azabicyclo[3.1.0]hexane-1-carboxylic acid. 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 C21H19NO4?

C21H19NO4 has a degree of unsaturation of 13. 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.