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Molecular formula

C21H18N4O6

18 compounds have this formula on CompoundList.

Molar mass
422.40g/mol
Monoisotopic mass
422.1226Da
Atoms
49
Elements
4
Rings plus double bonds
15

The formula C21H18N4O6 describes a molecule made of 21 carbon atoms, 18 hydrogen atoms, 4 nitrogen atoms and 6 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 × 2159.71%
    12.011 × 21 = 252.231 g/mol
  • H Hydrogen × 184.30%
    1.008 × 18 = 18.144 g/mol
  • N Nitrogen × 413.26%
    14.007 × 4 = 56.028 g/mol
  • O Oxygen × 622.73%
    15.999 × 6 = 95.994 g/mol
Look up another formula

Compounds with the formula C21H18N4O6

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

Showing 1 to 18 of 18 compounds

4-(2-Furoyl)-3-hydroxy-1-[3-(1H-imidazol-1-yl)propyl]-5-(3-nitrophenyl)-1,5-dihydro-2H-pyrrol-2-one chemical structure, C21H18N4O6, CAS 378212-42-1
4-(2-Furoyl)-3-hydroxy-1-[3-(1H-imidazol-1-yl)propyl]-5-(3-nitrophenyl)-1,5-dihydro-2H-pyrrol-2-one
CAS 378212-42-1C21H18N4O6
Dimethyl 5-{[(4-oxo-1,2,3,4-tetrahydropyrimido[1,2-a]benzimidazol-2-yl)carbonyl]amino}isophthalate chemical structure, C21H18N4O6, CAS 956626-31-6
Dimethyl 5-{[(4-oxo-1,2,3,4-tetrahydropyrimido[1,2-a]benzimidazol-2-yl)carbonyl]amino}isophthalate
CAS 956626-31-6C21H18N4O6
Acetophenone, 2,2-bis(p-nitroanilino)-4'-methoxy- chemical structure, C21H18N4O6, CAS 94872-51-2
Acetophenone, 2,2-bis(p-nitroanilino)-4'-methoxy-
CAS 94872-51-2C21H18N4O6
1-(4-Nitrophenyl)-N,N-bis[(4-nitrophenyl)methyl]methanamine chemical structure, C21H18N4O6, CAS 64309-88-2
1-(4-Nitrophenyl)-N,N-bis[(4-nitrophenyl)methyl]methanamine
CAS 64309-88-2C21H18N4O6
2-(1,3-Dioxoisoindolin-2-yl)-N-((3-((4-methoxyphenoxy)methyl)-1,2,4-oxadiazol-5-yl)methyl)acetamide chemical structure, C21H18N4O6, CAS 1226442-21-2
2-(1,3-Dioxoisoindolin-2-yl)-N-((3-((4-methoxyphenoxy)methyl)-1,2,4-oxadiazol-5-yl)methyl)acetamide
CAS 1226442-21-2C21H18N4O6
N-(4-Acetamidophenyl)-1-((3-nitrobenzyl)oxy)-2-oxo-1,2-dihydropyridine-3-carboxamide chemical structure, C21H18N4O6, CAS 852366-60-0
N-(4-Acetamidophenyl)-1-((3-nitrobenzyl)oxy)-2-oxo-1,2-dihydropyridine-3-carboxamide
CAS 852366-60-0C21H18N4O6
2-{4-[(1E)-2-[2-(2,6-Dioxopiperidin-3-yl)-1-oxo-2,3-dihydro-1H-isoindol-4-yl]diazen-1-yl]phenoxy}acetic acid chemical structure, C21H18N4O6, CAS 2370998-11-9
2-{4-[(1E)-2-[2-(2,6-Dioxopiperidin-3-yl)-1-oxo-2,3-dihydro-1H-isoindol-4-yl]diazen-1-yl]phenoxy}acetic acid
CAS 2370998-11-9C21H18N4O6
2-{1-[4-({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)-1,2,5-oxadiazol-3-yl]-N-methylformamido}acetic acid chemical structure, C21H18N4O6, CAS 2172528-87-7
2-{1-[4-({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)-1,2,5-oxadiazol-3-yl]-N-methylformamido}acetic acid
CAS 2172528-87-7C21H18N4O6
3-{[4-({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)-1,2,5-oxadiazol-3-yl]formamido}propanoic acid chemical structure, C21H18N4O6, CAS 2172384-94-8
3-{[4-({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)-1,2,5-oxadiazol-3-yl]formamido}propanoic acid
CAS 2172384-94-8C21H18N4O6
(2R)-2-{[4-({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)-1,2,5-oxadiazol-3-yl]formamido}propanoic acid chemical structure, C21H18N4O6, CAS 2171160-29-3
(2R)-2-{[4-({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)-1,2,5-oxadiazol-3-yl]formamido}propanoic acid
CAS 2171160-29-3C21H18N4O6
1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 5-{[(tert-butoxy)carbonyl]amino}pyrazolo[1,5-a]pyridine-3-carboxylate chemical structure, C21H18N4O6, CAS 2248334-66-7
1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 5-{[(tert-butoxy)carbonyl]amino}pyrazolo[1,5-a]pyridine-3-carboxylate
CAS 2248334-66-7C21H18N4O6
1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 2-[4-(2-methoxyethoxy)phenyl]-5-methyl-2H-1,2,3-triazole-4-carboxylate chemical structure, C21H18N4O6, CAS 2248413-84-3
1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 2-[4-(2-methoxyethoxy)phenyl]-5-methyl-2H-1,2,3-triazole-4-carboxylate
CAS 2248413-84-3C21H18N4O6
1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 3-methyl-1-(2-methylpropyl)-2,4-dioxo-1H,2H,3H,4H-pyrido[2,3-d]pyrimidine-6-carboxylate chemical structure, C21H18N4O6, CAS 2248403-93-0
1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 3-methyl-1-(2-methylpropyl)-2,4-dioxo-1H,2H,3H,4H-pyrido[2,3-d]pyrimidine-6-carboxylate
CAS 2248403-93-0C21H18N4O6
(2S)-2-{[4-({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)-1,2,5-oxadiazol-3-yl]formamido}propanoic acid chemical structure, C21H18N4O6, CAS 2171231-76-6
(2S)-2-{[4-({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)-1,2,5-oxadiazol-3-yl]formamido}propanoic acid
CAS 2171231-76-6C21H18N4O6
1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 1-ethyl-2,4-dioxo-7-(propan-2-yl)-1H,2H,3H,4H-pyrido[2,3-d]pyrimidine-5-carboxylate chemical structure, C21H18N4O6, CAS 2248287-30-9
1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 1-ethyl-2,4-dioxo-7-(propan-2-yl)-1H,2H,3H,4H-pyrido[2,3-d]pyrimidine-5-carboxylate
CAS 2248287-30-9C21H18N4O6
tert-Butyl 3-((1,3-dioxoisoindolin-2-yl)methyl)-5-nitro-1H-indazole-1-carboxylate chemical structure, C21H18N4O6, CAS 942189-51-7
tert-Butyl 3-((1,3-dioxoisoindolin-2-yl)methyl)-5-nitro-1H-indazole-1-carboxylate
CAS 942189-51-7C21H18N4O6
2-Methyl-N,N-bis(2-methyl-4-nitrophenyl)-4-nitrobenzenamine chemical structure, C21H18N4O6, CAS 2719722-73-1
2-Methyl-N,N-bis(2-methyl-4-nitrophenyl)-4-nitrobenzenamine
CAS 2719722-73-1C21H18N4O6
3-Pyridinecarboxylic acid,5-[[4-(acetylamino)phenyl]azo]-1,2-dihydro-4,6-dihydroxy-2-oxo-1-phenyl-,methyl ester chemical structure, C21H18N4O6, CAS 888320-80-7
3-Pyridinecarboxylic acid,5-[[4-(acetylamino)phenyl]azo]-1,2-dihydro-4,6-dihydroxy-2-oxo-1-phenyl-,methyl ester
CAS 888320-80-7C21H18N4O6

Frequently asked questions

What is the molar mass of C21H18N4O6?

The molar mass of C21H18N4O6 is 422.40 g/mol, calculated from standard atomic weights for 21 carbon atoms, 18 hydrogen atoms, 4 nitrogen atoms and 6 oxygen atoms. The monoisotopic mass is 422.1226 Da.

How many compounds have the formula C21H18N4O6?

CompoundList lists 18 compounds with the molecular formula C21H18N4O6, including 4-(2-Furoyl)-3-hydroxy-1-[3-(1H-imidazol-1-yl)propyl]-5-(3-nitrophenyl)-1,5-dihydro-2H-pyrrol-2-one, Dimethyl 5-{[(4-oxo-1,2,3,4-tetrahydropyrimido[1,2-a]benzimidazol-2-yl)carbonyl]amino}isophthalate, Acetophenone, 2,2-bis(p-nitroanilino)-4'-methoxy-. 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 C21H18N4O6?

C21H18N4O6 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.