Molecular formula
C20H18ClN3O4
76 compounds have this formula on CompoundList.
- Molar mass
- 399.83g/mol
- Monoisotopic mass
- 399.0986Da
- Atoms
- 46
- Elements
- 5
- Rings plus double bonds
- 13
The formula C20H18ClN3O4 describes a molecule made of 20 carbon atoms, 18 hydrogen atoms, 1 chlorine atom, 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 × 2060.08%12.011 × 20 = 240.220 g/mol
- H Hydrogen × 184.54%1.008 × 18 = 18.144 g/mol
- Cl Chlorine × 18.87%35.45 × 1 = 35.450 g/mol
- N Nitrogen × 310.51%14.007 × 3 = 42.021 g/mol
- O Oxygen × 416.01%15.999 × 4 = 63.996 g/mol
Look up another formula
Compounds with the formula C20H18ClN3O4
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 76 of 76 compounds
![[4-[3-(2-Chlorophenyl)-5-methyl-1,2-oxazole-4-carbonyl]piperazin-1-yl]-(furan-2-yl)methanone chemical structure, C20H18ClN3O4, CAS 328105-19-7](/s/YLVWGVLRGMPZNU-UHFFFAOYSA-N.svg)
[4-[3-(2-Chlorophenyl)-5-methyl-1,2-oxazole-4-carbonyl]piperazin-1-yl]-(furan-2-yl)methanone
CAS 328105-19-7C20H18ClN3O4
![N'-Acetyl-2-chloro-N'-[1-(4-methylphenyl)-2,5-dioxopyrrolidin-3-yl]benzohydrazide chemical structure, C20H18ClN3O4, CAS 956202-37-2](/s/SAGKLNSSYNPQDW-UHFFFAOYSA-N.svg)
N'-Acetyl-2-chloro-N'-[1-(4-methylphenyl)-2,5-dioxopyrrolidin-3-yl]benzohydrazide
CAS 956202-37-2C20H18ClN3O4
![2-[1-(6-Chloropyridin-3-yl)-N-[(furan-2-yl)methyl]formamido]-N-(2-methoxyphenyl)acetamide chemical structure, C20H18ClN3O4, CAS 851298-21-0](/s/FOOHVYPYYBWNQL-UHFFFAOYSA-N.svg)
2-[1-(6-Chloropyridin-3-yl)-N-[(furan-2-yl)methyl]formamido]-N-(2-methoxyphenyl)acetamide
CAS 851298-21-0C20H18ClN3O4
Ethyl 4-(3-(3-(2-chlorophenyl)-1,2,4-oxadiazol-5-yl)propanamido)benzoate
CAS 864935-42-2C20H18ClN3O4
![N-(2-Chloro-4-methylphenyl)-2-[4-(2-methoxyphenyl)-2,3-dioxopyrazin-1-yl]acetamide chemical structure, C20H18ClN3O4, CAS 898409-53-5](/s/PFKRCXLUJAEOGT-UHFFFAOYSA-N.svg)
N-(2-Chloro-4-methylphenyl)-2-[4-(2-methoxyphenyl)-2,3-dioxopyrazin-1-yl]acetamide
CAS 898409-53-5C20H18ClN3O4
ET (3-(((4-CL-Phenyl)acetyl)hydrazono)-2-oxo-2,3-dihydro-1H-indol-1-yl)acetate
CAS 624726-30-3C20H18ClN3O4
![6-(3-Chlorophenyl)-4-(4-hydroxy-3-methoxyphenyl)-1-methyl-4,7-dihydro-3H-pyrrolo[3,4-d]pyrimidine-2,5-dione chemical structure, C20H18ClN3O4, CAS 889969-64-6](/s/YLDMUENDSIHONO-UHFFFAOYSA-N.svg)
6-(3-Chlorophenyl)-4-(4-hydroxy-3-methoxyphenyl)-1-methyl-4,7-dihydro-3H-pyrrolo[3,4-d]pyrimidine-2,5-dione
CAS 889969-64-6C20H18ClN3O4
![1-[3-(2-Chloro-6,7-dimethoxyquinolin-3-yl)-5-(furan-2-yl)-3,4-dihydropyrazol-2-yl]ethanone chemical structure, C20H18ClN3O4, CAS 867135-97-5](/s/BVFCOZVLKQDKDF-UHFFFAOYSA-N.svg)
1-[3-(2-Chloro-6,7-dimethoxyquinolin-3-yl)-5-(furan-2-yl)-3,4-dihydropyrazol-2-yl]ethanone
CAS 867135-97-5C20H18ClN3O4
![1'-(1,3-Benzodioxole-5-carbonyl)-7-chlorospiro[1,3-dihydroquinazoline-2,4'-piperidine]-4-one chemical structure, C20H18ClN3O4, CAS 1171412-36-4](/s/RBJZEVVROONULJ-UHFFFAOYSA-N.svg)
1'-(1,3-Benzodioxole-5-carbonyl)-7-chlorospiro[1,3-dihydroquinazoline-2,4'-piperidine]-4-one
CAS 1171412-36-4C20H18ClN3O4
![1'-(1,3-Benzodioxole-5-carbonyl)-8-chlorospiro[1,3-dihydroquinazoline-2,4'-piperidine]-4-one chemical structure, C20H18ClN3O4, CAS 1251675-61-2](/s/DQCQOWZAFHEBBJ-UHFFFAOYSA-N.svg)
1'-(1,3-Benzodioxole-5-carbonyl)-8-chlorospiro[1,3-dihydroquinazoline-2,4'-piperidine]-4-one
CAS 1251675-61-2C20H18ClN3O4
![N-(2-Chlorophenyl)-2-[4-(2-ethoxyphenyl)-2,3-dioxopyrazin-1-yl]acetamide chemical structure, C20H18ClN3O4, CAS 898409-22-8](/s/VPZHEIHCEIOVLN-UHFFFAOYSA-N.svg)
N-(2-Chlorophenyl)-2-[4-(2-ethoxyphenyl)-2,3-dioxopyrazin-1-yl]acetamide
CAS 898409-22-8C20H18ClN3O4
Methyl 1-(2-((5-chloro-2-methylphenyl)amino)-2-oxoethyl)-7-methyl-4-oxo-1,4-dihydro-1,8-naphthyridine-3-carboxylate
CAS 899724-30-2C20H18ClN3O4
5-Chloro-N-(2-(5,8-dimethyl-2-oxo-1,2-dihydroquinolin-3-yl)ethyl)-2-nitrobenzamide
CAS 903316-51-8C20H18ClN3O4
![2-Chloro-N-[2-(5,8-dimethyl-2-oxo-1H-quinolin-3-yl)ethyl]-5-nitrobenzamide chemical structure, C20H18ClN3O4, CAS 903284-31-1](/s/DNSPNIUJEFKSMX-UHFFFAOYSA-N.svg)
2-Chloro-N-[2-(5,8-dimethyl-2-oxo-1H-quinolin-3-yl)ethyl]-5-nitrobenzamide
CAS 903284-31-1C20H18ClN3O4
![7-Chloro-4-{[3-(4-isopropoxyphenyl)-1,2,4-oxadiazol-5-yl]methyl}-2H-1,4-benzoxazin-3(4H)-one chemical structure, C20H18ClN3O4, CAS 1105250-87-0](/s/VVHHTRCYNZANPL-UHFFFAOYSA-N.svg)
7-Chloro-4-{[3-(4-isopropoxyphenyl)-1,2,4-oxadiazol-5-yl]methyl}-2H-1,4-benzoxazin-3(4H)-one
CAS 1105250-87-0C20H18ClN3O4
![1-(4-Chlorophenyl)-4-[5-(3,5-dimethoxyphenyl)-1,2,4-oxadiazol-3-yl]pyrrolidin-2-one chemical structure, C20H18ClN3O4, CAS 1171769-13-3](/s/PNJOXCCYDMZOEF-UHFFFAOYSA-N.svg)
1-(4-Chlorophenyl)-4-[5-(3,5-dimethoxyphenyl)-1,2,4-oxadiazol-3-yl]pyrrolidin-2-one
CAS 1171769-13-3C20H18ClN3O4
2-Chloro-N-(1-(cyclopropanecarbonyl)-1,2,3,4-tetrahydroquinolin-6-yl)-4-nitrobenzamide
CAS 897620-37-0C20H18ClN3O4
![2-[4-(5-Chloro-2-methylphenyl)-2,3-dioxopyrazin-1-yl]-N-(2-methoxyphenyl)acetamide chemical structure, C20H18ClN3O4, CAS 898428-82-5](/s/GXQQZEQBACRGAK-UHFFFAOYSA-N.svg)
2-[4-(5-Chloro-2-methylphenyl)-2,3-dioxopyrazin-1-yl]-N-(2-methoxyphenyl)acetamide
CAS 898428-82-5C20H18ClN3O4
N'-(2-Chloroacetyl)-2-(3,4-dimethoxyphenyl)quinoline-4-carbohydrazide
CAS 743444-32-8C20H18ClN3O4
![N-(5-Chloro-2-methoxyphenyl)-2-[3-(4-methoxyphenyl)-6-oxopyridazin-1(6H)-yl]acetamide chemical structure, C20H18ClN3O4, CAS 899190-47-7](/s/IAAIDMPNVSKFEK-UHFFFAOYSA-N.svg)
N-(5-Chloro-2-methoxyphenyl)-2-[3-(4-methoxyphenyl)-6-oxopyridazin-1(6H)-yl]acetamide
CAS 899190-47-7C20H18ClN3O4
![9-(4-Chlorophenyl)-4-(2-methoxyethyl)-9,10-dihydropyrimido[4,5-c]isoquinoline-1,3,7(2H,4H,8H)-trione chemical structure, C20H18ClN3O4, CAS 1030672-74-2](/s/IAWCPHQNWSCLNM-UHFFFAOYSA-N.svg)
9-(4-Chlorophenyl)-4-(2-methoxyethyl)-9,10-dihydropyrimido[4,5-c]isoquinoline-1,3,7(2H,4H,8H)-trione
CAS 1030672-74-2C20H18ClN3O4
![N-[3-Chloro-4-[4-(furan-2-carbonyl)piperazin-1-yl]phenyl]furan-2-carboxamide chemical structure, C20H18ClN3O4, CAS 876899-61-5](/s/CSXJRVNUJYCSOW-UHFFFAOYSA-N.svg)
N-[3-Chloro-4-[4-(furan-2-carbonyl)piperazin-1-yl]phenyl]furan-2-carboxamide
CAS 876899-61-5C20H18ClN3O4
2-(3-(4-Chlorophenyl)-6-oxopyridazin-1(6H)-yl)-N-(2,4-dimethoxyphenyl)acetamide
CAS 922946-00-7C20H18ClN3O4
2-(3-(4-Chlorophenyl)-6-oxopyridazin-1(6H)-yl)-N-(2,5-dimethoxyphenyl)acetamide
CAS 922902-36-1C20H18ClN3O4
- Ethyl 1-(2-((3-chlorophenyl)amino)-2-oxoethyl)-7-methyl-4-oxo-1,4-dihydro-1,8-naphthyridine-3-carboxylate899949-56-5C20H18ClN3O4
- 2-(2-Chlorophenoxy)-N-{6-[(2-methoxyphenyl)methoxy]pyrimidin-4-yl}acetamide1396862-34-2C20H18ClN3O4
- N-[[3-(4-Chlorophenyl)-1,2,4-oxadiazol-5-yl]methyl]-N-propan-2-yl-1,3-benzodioxole-5-carboxamide838864-98-5C20H18ClN3O4
- (E)-Methyl 4-((2-(1-(4-chlorophenyl)-5-oxopyrrolidine-3-carbonyl)hydrazono)methyl)benzoate376613-23-9C20H18ClN3O4
- 2-(5-((4-Chlorophenoxy)methyl)furan-2-yl)-5-(((tetrahydrofuran-2-yl)methyl)amino)oxazole-4-carbonitrile941969-00-2C20H18ClN3O4
- Ethyl 1-{[(4-chlorophenyl)carbamoyl]methyl}-7-methyl-4-oxo-1,4-dihydro-1,8-naphthyridine-3-carboxylate932461-87-5C20H18ClN3O4
- 2-[4-(3-Chlorophenyl)-2,3-dioxo-1,2,3,4-tetrahydropyrazin-1-yl]-N-(2-ethoxyphenyl)acetamide904524-49-8C20H18ClN3O4
- N'-[(3-Chlorophenyl)carbonyl]-4-hydroxy-2-oxo-1-propyl-1,2-dihydroquinoline-3-carbohydrazide317840-27-0C20H18ClN3O4
- 4-Chloro-N-[2-(5,8-dimethyl-2-oxo-1H-quinolin-3-yl)ethyl]-3-nitrobenzamide851407-09-5C20H18ClN3O4
- 4-Chloro-N-(2-(6,7-dimethyl-2-oxo-1,2-dihydroquinolin-3-yl)ethyl)-3-nitrobenzamide851403-08-2C20H18ClN3O4
- 4-Chloro-N-[2-(7,8-dimethyl-2-oxo-1H-quinolin-3-yl)ethyl]-3-nitrobenzamide851408-11-2C20H18ClN3O4
- 2-(3-(4-Chlorophenyl)-6-oxopyridazin-1(6H)-yl)-N-(3,5-dimethoxyphenyl)acetamide922881-84-3C20H18ClN3O4
- N-(3-Chlorophenyl)-2-(3-(3,4-dimethoxyphenyl)-6-oxopyridazin-1(6H)-yl)acetamide922882-65-3C20H18ClN3O4
- N-(4-Chlorophenyl)-2-(3-(3,4-dimethoxyphenyl)-6-oxopyridazin-1(6H)-yl)acetamide922903-48-8C20H18ClN3O4
- N-(5-Chloro-2-methoxyphenyl)-2-(3-(3-methoxyphenyl)-6-oxopyridazin-1(6H)-yl)acetamide922862-44-0C20H18ClN3O4
- N-(3-Chlorophenyl)-2-[3-(2,5-dimethoxyphenyl)-6-oxopyridazin-1-yl]acetamide899740-16-0C20H18ClN3O4
- 1-(4-Chlorophenyl)-4-[3-(2,3-dimethoxyphenyl)-1,2,4-oxadiazol-5-yl]pyrrolidin-2-one941960-66-3C20H18ClN3O4
- 3-(5-Chloro-2-methoxyphenyl)-7-(morpholin-4-ylcarbonyl)quinazolin-4(3H)-one1190260-45-7C20H18ClN3O4
- N-(4-Chlorobenzyl)-6-methoxy-1-(4-methoxyphenyl)-4-oxo-1,4-dihydropyridazine-3-carboxamide1251603-68-5C20H18ClN3O4
- 6-Chloro-4-((3-(4-isopropoxyphenyl)-1,2,4-oxadiazol-5-yl)methyl)-2H-benzo[b][1,4]oxazin-3(4H)-one1251556-05-4C20H18ClN3O4
- N-(3-Chloro-4-methoxyphenyl)-2-(3-(3-methoxyphenyl)-6-oxopyridazin-1(6H)-yl)acetamide1232798-60-5C20H18ClN3O4
- N-(3-Chloro-4-methoxyphenyl)-2-(3-(4-methoxyphenyl)-6-oxopyridazin-1(6H)-yl)acetamide1232791-87-5C20H18ClN3O4
- 2-[3-(2-Chlorophenyl)-6-oxopyridazin-1(6H)-yl]-N-(3,5-dimethoxyphenyl)acetamide1324078-18-3C20H18ClN3O4
- 2-[3-(2-Chlorophenyl)-6-oxopyridazin-1(6H)-yl]-N-(2,4-dimethoxyphenyl)acetamide1324066-41-2C20H18ClN3O4
- 1-(3-(3-(3-Chlorophenyl)-1,2,4-oxadiazol-5-yl)azetidin-1-yl)-2-(2-methoxyphenoxy)ethanone1351633-53-8C20H18ClN3O4
- 3-(2-Chlorobenzyl)-N-(2-ethoxyphenyl)-2,4-dioxo-1,2,3,4-tetrahydropyrimidine-5-carboxamide1396785-16-2C20H18ClN3O4
- [(4-Chlorophenyl)carbamoyl]methyl 1-ethyl-7-methyl-4-oxo-1,4-dihydro-1,8-naphthyridine-3-carboxylate807338-39-2C20H18ClN3O4
- 2-[4-(5-Chloro-2-methoxyphenyl)-2,3-dioxopyrazin-1-yl]-N-(4-methylphenyl)acetamide898463-63-3C20H18ClN3O4
- 5-Chloro-N-[1-(cyclopropanecarbonyl)-3,4-dihydro-2H-quinolin-6-yl]-2-nitrobenzamide941944-65-6C20H18ClN3O4
- N-(2-Chlorophenyl)-2-(3-(3,4-dimethoxyphenyl)-6-oxopyridazin-1(6H)-yl)acetamide922882-74-4C20H18ClN3O4
- N-(5-Chloro-2-methoxyphenyl)-4-methoxy-1-(2-methylphenyl)-6-oxopyridazine-3-carboxamide1004384-68-2C20H18ClN3O4
- N-(5-Chloro-2-methoxyphenyl)-4-methoxy-1-(4-methylphenyl)-6-oxo-1,6-dihydropyridazine-3-carboxamide1004390-87-7C20H18ClN3O4
- 4-[3-(2-Chlorophenyl)-1,2,4-oxadiazol-5-yl]-1-(3,4-dimethoxyphenyl)pyrrolidin-2-one941962-51-2C20H18ClN3O4
- 4-[3-(4-Chlorophenyl)-1,2,4-oxadiazol-5-yl]-1-(2,4-dimethoxyphenyl)pyrrolidin-2-one941893-29-4C20H18ClN3O4
- 4-[3-(3-Chlorophenyl)-1,2,4-oxadiazol-5-yl]-1-(3,4-dimethoxyphenyl)pyrrolidin-2-one941997-72-4C20H18ClN3O4
- 4-[3-(4-Chlorophenyl)-1,2,4-oxadiazol-5-yl]-1-(3,4-dimethoxyphenyl)pyrrolidin-2-one941891-76-5C20H18ClN3O4
- [(3-Chlorophenyl)carbamoyl]methyl 1-ethyl-7-methyl-4-oxo-1,4-dihydro-1,8-naphthyridine-3-carboxylate562092-75-5C20H18ClN3O4
- 2-[3-(2-Chlorophenyl)-6-oxopyridazin-1(6H)-yl]-N-(2,5-dimethoxyphenyl)acetamide1324084-74-3C20H18ClN3O4
- N-[3-[[1-(4-Chlorophenyl)-1,4-dihydro-4-oxo-3-pyridazinyl]hydroxymethyl]phenyl]carbamic acid ethyl ester1314394-34-7C20H18ClN3O4
- 5-Chloro-N-(1-((2,3-dihydrobenzo[b][1,4]dioxin-2-yl)methyl)-1H-pyrazol-4-yl)-2-methoxybenzamide1797883-76-1C20H18ClN3O4
- 2-(4-Chlorophenoxy)-N-(1-((2,3-dihydrobenzo[b][1,4]dioxin-2-yl)methyl)-1H-pyrazol-4-yl)acetamide1797336-21-0C20H18ClN3O4
- 6-Chloro-2-(4-nitrophenyl)-8-(1-piperazinylmethyl)-4H-1-benzopyran-4-one1333111-51-5C20H18ClN3O4
- N-(4-(2-Acetamidoethoxy)phenyl)-5-(4-chlorophenyl)oxazole-2-carboxamide2034470-01-2C20H18ClN3O4
- 8-Chloro-2-(2,3-dimethoxybenzoyl)-3,4-dihydro-1H-dipyrido[1,2-a:4',3'-d]pyrimidin-11(2H)-one2034532-60-8C20H18ClN3O4
- 2-(Benzo[d]isoxazol-3-yl)-N-(2-(7-chloro-3-oxo-2,3-dihydrobenzo[f][1,4]oxazepin-4(5H)-yl)ethyl)acetamide1903305-14-5C20H18ClN3O4
- N-(2-Chloro-4-nitrophenyl)-2-cyano-3-[4-(2-methylpropoxy)phenyl]prop-2-enamide380565-12-8C20H18ClN3O4
- N-Benzyl-2-[4-(5-chloro-2-methoxyphenyl)-2,3-dioxopyrazin-1-yl]acetamide898438-33-0C20H18ClN3O4
- N-(5-Chloro-2,4-dimethoxyphenyl)-2-(6-oxo-3-phenylpyridazin-1(6H)-yl)acetamide950398-91-1C20H18ClN3O4
- 2-(4-Chloro-3-methylphenoxy)-N-{4-[4-(prop-2-en-1-yloxy)phenyl]-1,2,5-oxadiazol-3-yl}acetamide1010893-21-6C20H18ClN3O4
- 4-[5-(3-Chlorophenyl)-1,2,4-oxadiazol-3-yl]-1-(3,4-dimethoxyphenyl)pyrrolidin-2-one1171049-77-6C20H18ClN3O4
- 1-(4-Chlorophenyl)-4-[5-(2,4-dimethoxyphenyl)-1,2,4-oxadiazol-3-yl]pyrrolidin-2-one1170886-17-5C20H18ClN3O4
- 1-(4-Chlorophenyl)-4-[5-(3,4-dimethoxyphenyl)-1,2,4-oxadiazol-3-yl]pyrrolidin-2-one1170557-66-0C20H18ClN3O4
Frequently asked questions
What is the molar mass of C20H18ClN3O4?
The molar mass of C20H18ClN3O4 is 399.83 g/mol, calculated from standard atomic weights for 20 carbon atoms, 18 hydrogen atoms, 1 chlorine atom, 3 nitrogen atoms and 4 oxygen atoms. The monoisotopic mass is 399.0986 Da.
How many compounds have the formula C20H18ClN3O4?
CompoundList lists 76 compounds with the molecular formula C20H18ClN3O4, including [4-[3-(2-Chlorophenyl)-5-methyl-1,2-oxazole-4-carbonyl]piperazin-1-yl]-(furan-2-yl)methanone, N'-Acetyl-2-chloro-N'-[1-(4-methylphenyl)-2,5-dioxopyrrolidin-3-yl]benzohydrazide, 2-[1-(6-Chloropyridin-3-yl)-N-[(furan-2-yl)methyl]formamido]-N-(2-methoxyphenyl)acetamide. 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 C20H18ClN3O4?
C20H18ClN3O4 has a degree of unsaturation of 13. 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.