CompoundList
Molecular formula

C16H21N3O4

196 compounds have this formula on CompoundList.

Molar mass
319.36g/mol
Monoisotopic mass
322.1720Da
Atoms
44
Elements
4
Rings plus double bonds
8

The formula C16H21N3O4 describes a molecule made of 16 carbon atoms, 21 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 × 1660.18%
    12.011 × 16 = 192.176 g/mol
  • H Hydrogen × 216.63%
    1.008 × 21 = 21.168 g/mol
  • N Nitrogen × 313.16%
    14.007 × 3 = 42.021 g/mol
  • O Oxygen × 420.04%
    15.999 × 4 = 63.996 g/mol
Look up another formula

Compounds with the formula C16H21N3O4

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

Showing 101 to 196 of 196 compounds

Ethyl 5-((tert-butoxycarbonyl)amino)-2-methylpyrazolo[1,5-a]pyridine-3-carboxylate chemical structure, C16H21N3O4, CAS 1610021-27-6
Ethyl 5-((tert-butoxycarbonyl)amino)-2-methylpyrazolo[1,5-a]pyridine-3-carboxylate
CAS 1610021-27-6C16H21N3O4
3-Methoxy-N-(2-methoxy-2-(2-methoxyphenyl)ethyl)-1-methyl-1H-pyrazole-4-carboxamide chemical structure, C16H21N3O4, CAS 1706016-71-8
3-Methoxy-N-(2-methoxy-2-(2-methoxyphenyl)ethyl)-1-methyl-1H-pyrazole-4-carboxamide
CAS 1706016-71-8C16H21N3O4
1-(6-((Tetrahydrofuran-3-yl)oxy)nicotinoyl)piperidine-4-carboxamide chemical structure, C16H21N3O4, CAS 2034312-33-7
1-(6-((Tetrahydrofuran-3-yl)oxy)nicotinoyl)piperidine-4-carboxamide
CAS 2034312-33-7C16H21N3O4
2-(3,5-Dimethylisoxazol-4-yl)-N-(2-(4-methoxy-6-methyl-2-oxopyridin-1(2H)-yl)ethyl)acetamide chemical structure, C16H21N3O4, CAS 2034590-89-9
2-(3,5-Dimethylisoxazol-4-yl)-N-(2-(4-methoxy-6-methyl-2-oxopyridin-1(2H)-yl)ethyl)acetamide
CAS 2034590-89-9C16H21N3O4
tert-Butyl {[3-(4-methoxyphenyl)-1,2,4-oxadiazol-5-yl]methyl}methylcarbamate chemical structure, C16H21N3O4, CAS 2061148-86-3
tert-Butyl {[3-(4-methoxyphenyl)-1,2,4-oxadiazol-5-yl]methyl}methylcarbamate
CAS 2061148-86-3C16H21N3O4
2-(2-Methoxyphenoxy)-N-{2-[2-(1H-pyrazol-1-yl)ethoxy]ethyl}acetamide chemical structure, C16H21N3O4, CAS 2309341-93-1
2-(2-Methoxyphenoxy)-N-{2-[2-(1H-pyrazol-1-yl)ethoxy]ethyl}acetamide
CAS 2309341-93-1C16H21N3O4
2-Hydroxy-N-(3-isopropoxypropyl)-9-methyl-4-oxo-4H-pyrido[1,2-a]pyrimidine-3-carboxamide chemical structure, C16H21N3O4, CAS 886913-56-0
2-Hydroxy-N-(3-isopropoxypropyl)-9-methyl-4-oxo-4H-pyrido[1,2-a]pyrimidine-3-carboxamide
CAS 886913-56-0C16H21N3O4
Boc-6-amino-L-tryptophan chemical structure, C16H21N3O4, CAS 2279937-91-4
Boc-6-amino-L-tryptophan
CAS 2279937-91-4C16H21N3O4
2,2'-(((5-Butyl-1H-benzo[d]imidazol-2-yl)methyl)azanediyl)diacetic acid chemical structure, C16H21N3O4, CAS 89218-93-9
2,2'-(((5-Butyl-1H-benzo[d]imidazol-2-yl)methyl)azanediyl)diacetic acid
CAS 89218-93-9C16H21N3O4
N-(3,4-Dimethoxyphenyl)-3-ethoxy-1-ethyl-1H-pyrazole-4-carboxamide chemical structure, C16H21N3O4, CAS 1014067-53-8
N-(3,4-Dimethoxyphenyl)-3-ethoxy-1-ethyl-1H-pyrazole-4-carboxamide
CAS 1014067-53-8C16H21N3O4
N-(2,4-Dimethoxyphenyl)-3-ethoxy-1-ethyl-1H-pyrazole-4-carboxamide chemical structure, C16H21N3O4, CAS 1014067-69-6
N-(2,4-Dimethoxyphenyl)-3-ethoxy-1-ethyl-1H-pyrazole-4-carboxamide
CAS 1014067-69-6C16H21N3O4
N-(2,5-Dimethoxyphenyl)-3-ethoxy-1-ethyl-1H-pyrazole-4-carboxamide chemical structure, C16H21N3O4, CAS 1014067-81-2
N-(2,5-Dimethoxyphenyl)-3-ethoxy-1-ethyl-1H-pyrazole-4-carboxamide
CAS 1014067-81-2C16H21N3O4
N-[1-(3-Methoxyphenyl)-5-oxopyrrolidin-3-yl]morpholine-4-carboxamide chemical structure, C16H21N3O4, CAS 894013-29-7
N-[1-(3-Methoxyphenyl)-5-oxopyrrolidin-3-yl]morpholine-4-carboxamide
CAS 894013-29-7C16H21N3O4
N-[1-(4-Methoxyphenyl)-5-oxopyrrolidin-3-yl]morpholine-4-carboxamide chemical structure, C16H21N3O4, CAS 878062-55-6
N-[1-(4-Methoxyphenyl)-5-oxopyrrolidin-3-yl]morpholine-4-carboxamide
CAS 878062-55-6C16H21N3O4
Ethyl 3-((2-nitrophenyl)amino)-8-azabicyclo[3.2.1]octane-8-carboxylate chemical structure, C16H21N3O4, CAS 1956327-02-8
Ethyl 3-((2-nitrophenyl)amino)-8-azabicyclo[3.2.1]octane-8-carboxylate
CAS 1956327-02-8C16H21N3O4
N-Butyl-3-(2-methoxyethyl)-2,4-dioxo-1,2,3,4-tetrahydroquinazoline-7-carboxamide chemical structure, C16H21N3O4, CAS 892269-25-9
N-Butyl-3-(2-methoxyethyl)-2,4-dioxo-1,2,3,4-tetrahydroquinazoline-7-carboxamide
CAS 892269-25-9C16H21N3O4
N-(5-(3,4-Diethoxyphenyl)-1,3,4-oxadiazol-2-yl)isobutyramide chemical structure, C16H21N3O4, CAS 1172069-15-6
N-(5-(3,4-Diethoxyphenyl)-1,3,4-oxadiazol-2-yl)isobutyramide
CAS 1172069-15-6C16H21N3O4
N-(5-(3,4-Diethoxyphenyl)-1,3,4-oxadiazol-2-yl)butyramide chemical structure, C16H21N3O4, CAS 1171343-25-1
N-(5-(3,4-Diethoxyphenyl)-1,3,4-oxadiazol-2-yl)butyramide
CAS 1171343-25-1C16H21N3O4
6-Methoxy-7-(3-(pyrrolidin-1-yl)propoxy)quinazoline-2,4-diol chemical structure, C16H21N3O4, CAS 1320288-29-6
6-Methoxy-7-(3-(pyrrolidin-1-yl)propoxy)quinazoline-2,4-diol
CAS 1320288-29-6C16H21N3O4
N-(2-{[1-(4-Methoxyphenyl)-5-oxopyrrolidin-3-yl]formamido}ethyl)acetamide chemical structure, C16H21N3O4, CAS 1281066-66-7
N-(2-{[1-(4-Methoxyphenyl)-5-oxopyrrolidin-3-yl]formamido}ethyl)acetamide
CAS 1281066-66-7C16H21N3O4
tert-Butyl 3-[5-(2-furyl)-1,2,4-oxadiazol-3-yl]piperidine-1-carboxylate chemical structure, C16H21N3O4, CAS 2059028-20-3
tert-Butyl 3-[5-(2-furyl)-1,2,4-oxadiazol-3-yl]piperidine-1-carboxylate
CAS 2059028-20-3C16H21N3O4
N-(3-(tert-Butyl)isoxazol-5-yl)-2-(2-methoxyethoxy)isonicotinamide chemical structure, C16H21N3O4, CAS 2034360-63-7
N-(3-(tert-Butyl)isoxazol-5-yl)-2-(2-methoxyethoxy)isonicotinamide
CAS 2034360-63-7C16H21N3O4
tert-Butyl 3-(4-(6-methylpyridin-2-yl)-2,5-dioxoimidazolidin-4-yl)propanoate chemical structure, C16H21N3O4, CAS 1957283-58-7
tert-Butyl 3-(4-(6-methylpyridin-2-yl)-2,5-dioxoimidazolidin-4-yl)propanoate
CAS 1957283-58-7C16H21N3O4
(S)-Methyl 3-(1-(2-(methoxymethoxy)phenyl)-1H-imidazol-4-yl)-2-(methylamino)propanoate chemical structure, C16H21N3O4, CAS 950758-75-5
(S)-Methyl 3-(1-(2-(methoxymethoxy)phenyl)-1H-imidazol-4-yl)-2-(methylamino)propanoate
CAS 950758-75-5C16H21N3O4

Frequently asked questions

What is the molar mass of C16H21N3O4?

The molar mass of C16H21N3O4 is 319.36 g/mol, calculated from standard atomic weights for 16 carbon atoms, 21 hydrogen atoms, 3 nitrogen atoms and 4 oxygen atoms. The monoisotopic mass is 322.1720 Da.

How many compounds have the formula C16H21N3O4?

CompoundList lists 196 compounds with the molecular formula C16H21N3O4, including Ethyl 5-((tert-butoxycarbonyl)amino)-2-methylpyrazolo[1,5-a]pyridine-3-carboxylate, 3-Methoxy-N-(2-methoxy-2-(2-methoxyphenyl)ethyl)-1-methyl-1H-pyrazole-4-carboxamide, 1-(6-((Tetrahydrofuran-3-yl)oxy)nicotinoyl)piperidine-4-carboxamide. 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 C16H21N3O4?

C16H21N3O4 has a degree of unsaturation of 8. 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.