CompoundList
Molecular formula

C18H20N4O4

188 compounds have this formula on CompoundList.

Molar mass
356.38g/mol
Monoisotopic mass
356.1485Da
Atoms
46
Elements
4
Rings plus double bonds
11

The formula C18H20N4O4 describes a molecule made of 18 carbon atoms, 20 hydrogen atoms, 4 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 × 1860.66%
    12.011 × 18 = 216.198 g/mol
  • H Hydrogen × 205.66%
    1.008 × 20 = 20.160 g/mol
  • N Nitrogen × 415.72%
    14.007 × 4 = 56.028 g/mol
  • O Oxygen × 417.96%
    15.999 × 4 = 63.996 g/mol
Look up another formula

Compounds with the formula C18H20N4O4

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

Showing 101 to 188 of 188 compounds

1-(1-(2-((5-Methylisoxazol-3-yl)oxy)acetyl)piperidin-4-yl)-1H-benzo[d]imidazol-2(3H)-one chemical structure, C18H20N4O4, CAS 923852-98-6
1-(1-(2-((5-Methylisoxazol-3-yl)oxy)acetyl)piperidin-4-yl)-1H-benzo[d]imidazol-2(3H)-one
CAS 923852-98-6C18H20N4O4
N-(3-Acetylphenyl)-2-[3-(morpholin-4-yl)-6-oxopyridazin-1(6H)-yl]acetamide chemical structure, C18H20N4O4, CAS 1282115-89-2
N-(3-Acetylphenyl)-2-[3-(morpholin-4-yl)-6-oxopyridazin-1(6H)-yl]acetamide
CAS 1282115-89-2C18H20N4O4
4-(2-Cyano-2-{[3-(propan-2-yloxy)propyl]carbamoyl}eth-1-en-1-yl)-1H-indazole-3-carboxylic acid chemical structure, C18H20N4O4, CAS 2094950-64-6
4-(2-Cyano-2-{[3-(propan-2-yloxy)propyl]carbamoyl}eth-1-en-1-yl)-1H-indazole-3-carboxylic acid
CAS 2094950-64-6C18H20N4O4
Propanimidamide, 2-(((2,4-dihydroxyphenyl)methylene)hydrazono)-N-(4-ethoxyphenyl)-N'-hydroxy- chemical structure, C18H20N4O4, CAS 126389-85-3
Propanimidamide, 2-(((2,4-dihydroxyphenyl)methylene)hydrazono)-N-(4-ethoxyphenyl)-N'-hydroxy-
CAS 126389-85-3C18H20N4O4
1-(1-(5-(Methoxymethyl)isoxazole-3-carbonyl)piperidin-4-yl)-1H-benzo[d]imidazol-2(3H)-one chemical structure, C18H20N4O4, CAS 2224419-95-6
1-(1-(5-(Methoxymethyl)isoxazole-3-carbonyl)piperidin-4-yl)-1H-benzo[d]imidazol-2(3H)-one
CAS 2224419-95-6C18H20N4O4
7-(4-Methoxyphenyl)-2-[(oxan-3-yl)methyl]-2H,3H,7H,8H-[1,2,4]triazolo[4,3-a]pyrazine-3,8-dione chemical structure, C18H20N4O4, CAS 2549046-26-4
7-(4-Methoxyphenyl)-2-[(oxan-3-yl)methyl]-2H,3H,7H,8H-[1,2,4]triazolo[4,3-a]pyrazine-3,8-dione
CAS 2549046-26-4C18H20N4O4
N-(2-Methoxyethyl)-2-[2-(3-methoxyphenyl)-4-oxo-4H,5H-pyrazolo[1,5-a]pyrazin-5-yl]acetamide chemical structure, C18H20N4O4, CAS 2324607-40-9
N-(2-Methoxyethyl)-2-[2-(3-methoxyphenyl)-4-oxo-4H,5H-pyrazolo[1,5-a]pyrazin-5-yl]acetamide
CAS 2324607-40-9C18H20N4O4
3-(3-Methyl-2-oxo-4-(4-oxopiperidin-1-yl)-2,3-dihydro-1H-benzo[d]imidazol-1-yl)piperidine-2,6-dione chemical structure, C18H20N4O4, CAS 2688841-30-5
3-(3-Methyl-2-oxo-4-(4-oxopiperidin-1-yl)-2,3-dihydro-1H-benzo[d]imidazol-1-yl)piperidine-2,6-dione
CAS 2688841-30-5C18H20N4O4
2-(2,6-Dioxopiperidin-3-yl)-5-{[(3R)-piperidin-3-yl]amino}-2,3-dihydro-1H-isoindole-1,3-dione chemical structure, C18H20N4O4, CAS 2728765-73-7
2-(2,6-Dioxopiperidin-3-yl)-5-{[(3R)-piperidin-3-yl]amino}-2,3-dihydro-1H-isoindole-1,3-dione
CAS 2728765-73-7C18H20N4O4
N-[(3,3-Dimethyl-4-phenylbutylidene)amino]-2,4-dinitroaniline chemical structure, C18H20N4O4, CAS 13540-44-8
N-[(3,3-Dimethyl-4-phenylbutylidene)amino]-2,4-dinitroaniline
CAS 13540-44-8C18H20N4O4
Ethyl N-[3-(ethoxycarbonylamino)-4-phenyldiazenylphenyl]carbamate chemical structure, C18H20N4O4, CAS 75953-40-1
Ethyl N-[3-(ethoxycarbonylamino)-4-phenyldiazenylphenyl]carbamate
CAS 75953-40-1C18H20N4O4
3(2H)-Pyridazinone, 4-methyl-6-phenyl-, (1-methylethylidene)hydrazone, (Z)-2-butenedioate chemical structure, C18H20N4O4, CAS 60855-71-2
3(2H)-Pyridazinone, 4-methyl-6-phenyl-, (1-methylethylidene)hydrazone, (Z)-2-butenedioate
CAS 60855-71-2C18H20N4O4
11,14-Dioxa-8,17,23,24-tetraazatricyclo[17.3.1.12,6]tetracosa-1(23),2,4,6(24),19,21-hexaene-7,18-dione chemical structure, C18H20N4O4, CAS 65739-41-5
11,14-Dioxa-8,17,23,24-tetraazatricyclo[17.3.1.12,6]tetracosa-1(23),2,4,6(24),19,21-hexaene-7,18-dione
CAS 65739-41-5C18H20N4O4
L-Phenylalanyl-N-(4-nitrophenyl)-L-alaninamide chemical structure, C18H20N4O4, CAS 69079-68-1
L-Phenylalanyl-N-(4-nitrophenyl)-L-alaninamide
CAS 69079-68-1C18H20N4O4
1-Methyl-5-(1H-pyrrol-1-yl)-N-(3,4,5-trimethoxyphenyl)-1H-pyrazole-4-carboxamide chemical structure, C18H20N4O4, CAS 1232796-75-6
1-Methyl-5-(1H-pyrrol-1-yl)-N-(3,4,5-trimethoxyphenyl)-1H-pyrazole-4-carboxamide
CAS 1232796-75-6C18H20N4O4
2-(4-Benzylpiperazin-1-yl)-N-hydroxy-5-Nitrobenzamide chemical structure, C18H20N4O4, CAS 849236-92-6
2-(4-Benzylpiperazin-1-yl)-N-hydroxy-5-Nitrobenzamide
CAS 849236-92-6C18H20N4O4
tert-Butyl 5,6-dihydro-2-(1,3-dihydro-1-oxoisobenzofuran-5-yl)-[1,2,4]triazolo[1,5-a]pyrazine-7(8H)-carboxylate chemical structure, C18H20N4O4, CAS 1799843-00-7
tert-Butyl 5,6-dihydro-2-(1,3-dihydro-1-oxoisobenzofuran-5-yl)-[1,2,4]triazolo[1,5-a]pyrazine-7(8H)-carboxylate
CAS 1799843-00-7C18H20N4O4
2-(2,6-Dioxopiperidin-3-yl)-5-(3-methylpiperazin-1-yl)-2,3-dihydro-1H-isoindole-1,3-dione chemical structure, C18H20N4O4, CAS 2703771-46-2
2-(2,6-Dioxopiperidin-3-yl)-5-(3-methylpiperazin-1-yl)-2,3-dihydro-1H-isoindole-1,3-dione
CAS 2703771-46-2C18H20N4O4
2-({1-[2-(2,5-Dioxopyrrolidin-1-yl)acetyl]piperidin-3-yl}methoxy)pyridine-4-carbonitrile chemical structure, C18H20N4O4, CAS 2379976-73-3
2-({1-[2-(2,5-Dioxopyrrolidin-1-yl)acetyl]piperidin-3-yl}methoxy)pyridine-4-carbonitrile
CAS 2379976-73-3C18H20N4O4
2-(2,6-Dioxopiperidin-3-yl)-5-[(piperidin-4-yl)amino]-2,3-dihydro-1H-isoindole-1,3-dione chemical structure, C18H20N4O4, CAS 2357110-06-4
2-(2,6-Dioxopiperidin-3-yl)-5-[(piperidin-4-yl)amino]-2,3-dihydro-1H-isoindole-1,3-dione
CAS 2357110-06-4C18H20N4O4
2-(2,6-Dioxopiperidin-3-yl)-5-[(3R)-3-methylpiperazin-1-yl]-2,3-dihydro-1H-isoindole-1,3-dione chemical structure, C18H20N4O4, CAS 2728765-85-1
2-(2,6-Dioxopiperidin-3-yl)-5-[(3R)-3-methylpiperazin-1-yl]-2,3-dihydro-1H-isoindole-1,3-dione
CAS 2728765-85-1C18H20N4O4
6-[5-(2-Methoxybenzoyl)-octahydropyrrolo[3,4-c]pyrrol-2-yl]-1,2,3,4-tetrahydropyrimidine-2,4-dione chemical structure, C18H20N4O4, CAS 2415530-69-5
6-[5-(2-Methoxybenzoyl)-octahydropyrrolo[3,4-c]pyrrol-2-yl]-1,2,3,4-tetrahydropyrimidine-2,4-dione
CAS 2415530-69-5C18H20N4O4
2-(2,6-Dioxopiperidin-3-yl)-5-[(3S)-3-methylpiperazin-1-yl]-2,3-dihydro-1H-isoindole-1,3-dione chemical structure, C18H20N4O4, CAS 2553108-25-9
2-(2,6-Dioxopiperidin-3-yl)-5-[(3S)-3-methylpiperazin-1-yl]-2,3-dihydro-1H-isoindole-1,3-dione
CAS 2553108-25-9C18H20N4O4
2-(2,6-Dioxopiperidin-3-yl)-4-[(piperazin-1-yl)methyl]-2,3-dihydro-1H-isoindole-1,3-dione chemical structure, C18H20N4O4, CAS 2484742-54-1
2-(2,6-Dioxopiperidin-3-yl)-4-[(piperazin-1-yl)methyl]-2,3-dihydro-1H-isoindole-1,3-dione
CAS 2484742-54-1C18H20N4O4

Frequently asked questions

What is the molar mass of C18H20N4O4?

The molar mass of C18H20N4O4 is 356.38 g/mol, calculated from standard atomic weights for 18 carbon atoms, 20 hydrogen atoms, 4 nitrogen atoms and 4 oxygen atoms. The monoisotopic mass is 356.1485 Da.

How many compounds have the formula C18H20N4O4?

CompoundList lists 188 compounds with the molecular formula C18H20N4O4, including 1-(1-(2-((5-Methylisoxazol-3-yl)oxy)acetyl)piperidin-4-yl)-1H-benzo[d]imidazol-2(3H)-one, N-(3-Acetylphenyl)-2-[3-(morpholin-4-yl)-6-oxopyridazin-1(6H)-yl]acetamide, 4-(2-Cyano-2-{[3-(propan-2-yloxy)propyl]carbamoyl}eth-1-en-1-yl)-1H-indazole-3-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 C18H20N4O4?

C18H20N4O4 has a degree of unsaturation of 11. 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.