CompoundList
Molecular formula

C18H20N2O4

412 compounds have this formula on CompoundList.

Molar mass
328.37g/mol
Monoisotopic mass
328.1423Da
Atoms
44
Elements
4
Rings plus double bonds
10

The formula C18H20N2O4 describes a molecule made of 18 carbon atoms, 20 hydrogen atoms, 2 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 × 1865.84%
    12.011 × 18 = 216.198 g/mol
  • H Hydrogen × 206.14%
    1.008 × 20 = 20.160 g/mol
  • N Nitrogen × 28.53%
    14.007 × 2 = 28.014 g/mol
  • O Oxygen × 419.49%
    15.999 × 4 = 63.996 g/mol
Look up another formula

Compounds with the formula C18H20N2O4

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

Showing 201 to 300 of 412 compounds

Ethyl 1,2,3,4-tetrahydro-2-methyl-1-oxo-8-(phenylmethoxy)pyrrolo[1,2-a]pyrazine-7-carboxylate chemical structure, C18H20N2O4, CAS 851726-66-4
Ethyl 1,2,3,4-tetrahydro-2-methyl-1-oxo-8-(phenylmethoxy)pyrrolo[1,2-a]pyrazine-7-carboxylate
CAS 851726-66-4C18H20N2O4
1-(2-(Benzo[d][1,3]dioxol-5-yl)-2-hydroxypropyl)-3-(o-tolyl)urea chemical structure, C18H20N2O4, CAS 1396885-36-1
1-(2-(Benzo[d][1,3]dioxol-5-yl)-2-hydroxypropyl)-3-(o-tolyl)urea
CAS 1396885-36-1C18H20N2O4
(E)-3-(Furan-2-yl)-N-((1-(furan-3-carbonyl)piperidin-4-yl)methyl)acrylamide chemical structure, C18H20N2O4, CAS 1396893-24-5
(E)-3-(Furan-2-yl)-N-((1-(furan-3-carbonyl)piperidin-4-yl)methyl)acrylamide
CAS 1396893-24-5C18H20N2O4
(7,7-Dimethyl-6,8-dioxa-2-azaspiro[3.5]nonan-2-yl)(5-phenylisoxazol-3-yl)methanone chemical structure, C18H20N2O4, CAS 1396876-96-2
(7,7-Dimethyl-6,8-dioxa-2-azaspiro[3.5]nonan-2-yl)(5-phenylisoxazol-3-yl)methanone
CAS 1396876-96-2C18H20N2O4
1-(3-(Benzo[d][1,3]dioxol-5-yl)-3-hydroxypropyl)-3-(o-tolyl)urea chemical structure, C18H20N2O4, CAS 1421494-26-9
1-(3-(Benzo[d][1,3]dioxol-5-yl)-3-hydroxypropyl)-3-(o-tolyl)urea
CAS 1421494-26-9C18H20N2O4
5-(3,5-Dimethyl-4-isoxazolyl)-1,3-dihydro-3-hydroxy-3-(tetrahydro-2H-pyran-4-yl)-2H-indol-2-one chemical structure, C18H20N2O4, CAS 1629277-61-7
5-(3,5-Dimethyl-4-isoxazolyl)-1,3-dihydro-3-hydroxy-3-(tetrahydro-2H-pyran-4-yl)-2H-indol-2-one
CAS 1629277-61-7C18H20N2O4
2-Methyl-6-(1-prop-2-enoylpiperidine-4-carbonyl)-4H-1,4-benzoxazin-3-one chemical structure, C18H20N2O4, CAS 2127241-07-8
2-Methyl-6-(1-prop-2-enoylpiperidine-4-carbonyl)-4H-1,4-benzoxazin-3-one
CAS 2127241-07-8C18H20N2O4
3',3'''-Bi-p-acetanisidide chemical structure, C18H20N2O4, CAS 23080-65-1
3',3'''-Bi-p-acetanisidide
CAS 23080-65-1C18H20N2O4
2-(3,4-Dimethylphenoxy)-N'-[(E)-(2-hydroxy-3-methoxyphenyl)methylidene]acetohydrazide chemical structure, C18H20N2O4, CAS 351873-32-0
2-(3,4-Dimethylphenoxy)-N'-[(E)-(2-hydroxy-3-methoxyphenyl)methylidene]acetohydrazide
CAS 351873-32-0C18H20N2O4
Methyl 4-[2-(4-methoxycarbonylanilino)ethylamino]benzoate chemical structure, C18H20N2O4, CAS 6968-79-2
Methyl 4-[2-(4-methoxycarbonylanilino)ethylamino]benzoate
CAS 6968-79-2C18H20N2O4
N-(2,6-Diethylphenyl)-4-methoxy-3-nitrobenzamide chemical structure, C18H20N2O4, CAS 701237-80-1
N-(2,6-Diethylphenyl)-4-methoxy-3-nitrobenzamide
CAS 701237-80-1C18H20N2O4
2-((2-Ethyl-1-oxo-1,2,3,4-tetrahydroisoquinolin-5-yl)oxy)-N-(furan-2-ylmethyl)acetamide chemical structure, C18H20N2O4, CAS 850905-19-0
2-((2-Ethyl-1-oxo-1,2,3,4-tetrahydroisoquinolin-5-yl)oxy)-N-(furan-2-ylmethyl)acetamide
CAS 850905-19-0C18H20N2O4
2-(4-Butan-2-ylphenoxy)-N-(2-nitrophenyl)acetamide chemical structure, C18H20N2O4, CAS 305359-30-2
2-(4-Butan-2-ylphenoxy)-N-(2-nitrophenyl)acetamide
CAS 305359-30-2C18H20N2O4
2-(2,3-Dimethylphenoxy)-N-(2-methyl-5-nitrophenyl)propanamide chemical structure, C18H20N2O4, CAS 692260-75-6
2-(2,3-Dimethylphenoxy)-N-(2-methyl-5-nitrophenyl)propanamide
CAS 692260-75-6C18H20N2O4
4-(4-Methoxy-3-methylphenyl)-N-(4-nitrophenyl)butanamide chemical structure, C18H20N2O4, CAS 339083-63-5
4-(4-Methoxy-3-methylphenyl)-N-(4-nitrophenyl)butanamide
CAS 339083-63-5C18H20N2O4
N-Butyl-4-methoxy-3-nitro-N-phenylbenzamide chemical structure, C18H20N2O4, CAS 878992-63-3
N-Butyl-4-methoxy-3-nitro-N-phenylbenzamide
CAS 878992-63-3C18H20N2O4
N1-(2-methoxyphenethyl)-N2-(2-methoxyphenyl)oxalamide chemical structure, C18H20N2O4, CAS 898375-14-9
N1-(2-methoxyphenethyl)-N2-(2-methoxyphenyl)oxalamide
CAS 898375-14-9C18H20N2O4
2-((6-((3,4-Dihydroisoquinolin-2(1H)-yl)methyl)-4-oxo-4H-pyran-3-yl)oxy)-N-methylacetamide chemical structure, C18H20N2O4, CAS 898418-42-3
2-((6-((3,4-Dihydroisoquinolin-2(1H)-yl)methyl)-4-oxo-4H-pyran-3-yl)oxy)-N-methylacetamide
CAS 898418-42-3C18H20N2O4
Ethyl 5-(2-(dimethylamino)-2-oxoacetyl)-2-methyl-4-phenyl-1H-pyrrole-3-carboxylate chemical structure, C18H20N2O4, CAS 1001763-06-9
Ethyl 5-(2-(dimethylamino)-2-oxoacetyl)-2-methyl-4-phenyl-1H-pyrrole-3-carboxylate
CAS 1001763-06-9C18H20N2O4
N-[4-(Acetylamino)phenyl]-2-(2-methoxyethoxy)benzamide chemical structure, C18H20N2O4, CAS 882091-88-5
N-[4-(Acetylamino)phenyl]-2-(2-methoxyethoxy)benzamide
CAS 882091-88-5C18H20N2O4
N-[3-(Acetylamino)phenyl]-4-(2-methoxyethoxy)benzamide chemical structure, C18H20N2O4, CAS 925186-05-6
N-[3-(Acetylamino)phenyl]-4-(2-methoxyethoxy)benzamide
CAS 925186-05-6C18H20N2O4
N-[3-(Acetylamino)phenyl]-2-(2-methoxyethoxy)benzamide chemical structure, C18H20N2O4, CAS 925564-28-9
N-[3-(Acetylamino)phenyl]-2-(2-methoxyethoxy)benzamide
CAS 925564-28-9C18H20N2O4
N-(2-Methoxyethyl)-4-[(phenoxyacetyl)amino]benzamide chemical structure, C18H20N2O4, CAS 940488-78-8
N-(2-Methoxyethyl)-4-[(phenoxyacetyl)amino]benzamide
CAS 940488-78-8C18H20N2O4
N-(2-Methoxyethyl)-3-[(phenoxyacetyl)amino]benzamide chemical structure, C18H20N2O4, CAS 940540-56-7
N-(2-Methoxyethyl)-3-[(phenoxyacetyl)amino]benzamide
CAS 940540-56-7C18H20N2O4

Frequently asked questions

What is the molar mass of C18H20N2O4?

The molar mass of C18H20N2O4 is 328.37 g/mol, calculated from standard atomic weights for 18 carbon atoms, 20 hydrogen atoms, 2 nitrogen atoms and 4 oxygen atoms. The monoisotopic mass is 328.1423 Da.

How many compounds have the formula C18H20N2O4?

CompoundList lists 412 compounds with the molecular formula C18H20N2O4, including Ethyl 1,2,3,4-tetrahydro-2-methyl-1-oxo-8-(phenylmethoxy)pyrrolo[1,2-a]pyrazine-7-carboxylate, 1-(2-(Benzo[d][1,3]dioxol-5-yl)-2-hydroxypropyl)-3-(o-tolyl)urea, (E)-3-(Furan-2-yl)-N-((1-(furan-3-carbonyl)piperidin-4-yl)methyl)acrylamide. 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 C18H20N2O4?

C18H20N2O4 has a degree of unsaturation of 10. 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.