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 1 to 100 of 196 compounds

7-Methoxy-6-(3-morpholin-4-yl-propoxy)-3H-quinazolin-4-one chemical structure, C16H21N3O4, CAS 199327-61-2
7-Methoxy-6-(3-morpholin-4-yl-propoxy)-3H-quinazolin-4-one
CAS 199327-61-2C16H21N3O4
N-(2-Furylmethyl)-2-(8-methyl-2,4-dioxo-1,3-diazaspiro[4.5]dec-3-yl)acetamide chemical structure, C16H21N3O4, CAS 731008-51-8
N-(2-Furylmethyl)-2-(8-methyl-2,4-dioxo-1,3-diazaspiro[4.5]dec-3-yl)acetamide
CAS 731008-51-8C16H21N3O4
4-(Morpholine-4-carboxamido)phenyl pyrrolidine-1-carboxylate chemical structure, C16H21N3O4, CAS 692762-03-1
4-(Morpholine-4-carboxamido)phenyl pyrrolidine-1-carboxylate
CAS 692762-03-1C16H21N3O4
N-(2-Morpholin-4-ylethyl)-3-(2-oxo-1,3-benzoxazol-3-yl)propanamide chemical structure, C16H21N3O4, CAS 851988-82-4
N-(2-Morpholin-4-ylethyl)-3-(2-oxo-1,3-benzoxazol-3-yl)propanamide
CAS 851988-82-4C16H21N3O4
5-Pyrimidinecarboxylic acid, 4-(2-furanyl)-3,4,5,6-tetrahydro-6-oxo-2-(1-piperidinyl)-, ethyl ester chemical structure, C16H21N3O4, CAS 726199-20-8
5-Pyrimidinecarboxylic acid, 4-(2-furanyl)-3,4,5,6-tetrahydro-6-oxo-2-(1-piperidinyl)-, ethyl ester
CAS 726199-20-8C16H21N3O4
2-[3-Cyano-4-(methoxymethyl)-6-methyl-2-oxopyridin-1-yl]-N-(oxolan-2-ylmethyl)acetamide chemical structure, C16H21N3O4, CAS 878414-96-1
2-[3-Cyano-4-(methoxymethyl)-6-methyl-2-oxopyridin-1-yl]-N-(oxolan-2-ylmethyl)acetamide
CAS 878414-96-1C16H21N3O4
N1-(2-methoxyphenyl)-N2-(3-(2-oxopyrrolidin-1-yl)propyl)oxalamide chemical structure, C16H21N3O4, CAS 898375-20-7
N1-(2-methoxyphenyl)-N2-(3-(2-oxopyrrolidin-1-yl)propyl)oxalamide
CAS 898375-20-7C16H21N3O4
4-(2,4-Dioxo-1H-quinazolin-3-yl)-N-(3-methoxypropyl)butanamide chemical structure, C16H21N3O4, CAS 688773-98-0
4-(2,4-Dioxo-1H-quinazolin-3-yl)-N-(3-methoxypropyl)butanamide
CAS 688773-98-0C16H21N3O4
2-(Azepan-1-yl)-N'-[(E)-(2-hydroxy-3-methoxyphenyl)methylidene]-2-oxoacetohydrazide chemical structure, C16H21N3O4, CAS 352460-98-1
2-(Azepan-1-yl)-N'-[(E)-(2-hydroxy-3-methoxyphenyl)methylidene]-2-oxoacetohydrazide
CAS 352460-98-1C16H21N3O4
[2-(Cyclohexylamino)-2-oxoethyl] 4-(carbamoylamino)benzoate chemical structure, C16H21N3O4, CAS 852174-16-4
[2-(Cyclohexylamino)-2-oxoethyl] 4-(carbamoylamino)benzoate
CAS 852174-16-4C16H21N3O4
[(1-Cyanocyclohexyl)(methyl)carbamoyl]methyl 3,5-dimethyl-1,2-oxazole-4-carboxylate chemical structure, C16H21N3O4, CAS 876692-06-7
[(1-Cyanocyclohexyl)(methyl)carbamoyl]methyl 3,5-dimethyl-1,2-oxazole-4-carboxylate
CAS 876692-06-7C16H21N3O4
N1-(3-methoxyphenyl)-N2-(3-(2-oxopyrrolidin-1-yl)propyl)oxalamide chemical structure, C16H21N3O4, CAS 898374-04-4
N1-(3-methoxyphenyl)-N2-(3-(2-oxopyrrolidin-1-yl)propyl)oxalamide
CAS 898374-04-4C16H21N3O4
N-[3-(1H-Imidazol-1-yl)propyl]-3,4,5-trimethoxybenzamide chemical structure, C16H21N3O4, CAS 93669-14-8
N-[3-(1H-Imidazol-1-yl)propyl]-3,4,5-trimethoxybenzamide
CAS 93669-14-8C16H21N3O4
H-Orn-betaNA carbonate salt chemical structure, C16H21N3O4, CAS 54322-77-9
H-Orn-betaNA carbonate salt
CAS 54322-77-9C16H21N3O4
Desfluorolinezolid chemical structure, C16H21N3O4, CAS 556801-15-1
Desfluorolinezolid
CAS 556801-15-1C16H21N3O4
Morpholin-4-yl-(5-nitro-2-piperidin-1-ylphenyl)methanone chemical structure, C16H21N3O4, CAS 433248-70-5
Morpholin-4-yl-(5-nitro-2-piperidin-1-ylphenyl)methanone
CAS 433248-70-5C16H21N3O4
1-(2-((Benzo[d][1,3]dioxol-5-ylmethyl)amino)-2-oxoethyl)piperidine-4-carboxamide chemical structure, C16H21N3O4, CAS 691356-05-5
1-(2-((Benzo[d][1,3]dioxol-5-ylmethyl)amino)-2-oxoethyl)piperidine-4-carboxamide
CAS 691356-05-5C16H21N3O4
N-[(2s)-3-Amino-1-(Hydroxyamino)-3-Methyl-1-Oxobutan-2-Yl]-4-[(But-2-Yn-1-Yl)oxy]benzamide chemical structure, C16H21N3O4, CAS 1219365-61-3
N-[(2s)-3-Amino-1-(Hydroxyamino)-3-Methyl-1-Oxobutan-2-Yl]-4-[(But-2-Yn-1-Yl)oxy]benzamide
CAS 1219365-61-3C16H21N3O4
EU 11103 chemical structure, C16H21N3O4, CAS 149396-90-7
EU 11103
CAS 149396-90-7C16H21N3O4
EU 11104 chemical structure, C16H21N3O4, CAS 149396-91-8
EU 11104
CAS 149396-91-8C16H21N3O4
N-(2-Ethoxyphenyl)-2-(4-ethyl-2,3-dioxopiperazin-1-yl)acetamide chemical structure, C16H21N3O4, CAS 868680-52-8
N-(2-Ethoxyphenyl)-2-(4-ethyl-2,3-dioxopiperazin-1-yl)acetamide
CAS 868680-52-8C16H21N3O4
N1-cycloheptyl-N2-(2-methyl-5-nitrophenyl)oxalamide chemical structure, C16H21N3O4, CAS 899978-80-4
N1-cycloheptyl-N2-(2-methyl-5-nitrophenyl)oxalamide
CAS 899978-80-4C16H21N3O4
L-Phenylalanine, glycyl-L-prolyl- chemical structure, C16H21N3O4, CAS 70393-97-4
L-Phenylalanine, glycyl-L-prolyl-
CAS 70393-97-4C16H21N3O4
(2S,4R)-4-Benzamido-1-(2-(dimethylamino)acetyl)pyrrolidine-2-carboxylic acid chemical structure, C16H21N3O4, CAS 943134-35-8
(2S,4R)-4-Benzamido-1-(2-(dimethylamino)acetyl)pyrrolidine-2-carboxylic acid
CAS 943134-35-8C16H21N3O4

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 7-Methoxy-6-(3-morpholin-4-yl-propoxy)-3H-quinazolin-4-one, N-(2-Furylmethyl)-2-(8-methyl-2,4-dioxo-1,3-diazaspiro[4.5]dec-3-yl)acetamide, 4-(Morpholine-4-carboxamido)phenyl pyrrolidine-1-carboxylate. 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.