Molecular formula
C20H21ClN2O3
135 compounds have this formula on CompoundList.
- Molar mass
- 372.85g/mol
- Monoisotopic mass
- 372.1241Da
- Atoms
- 47
- Elements
- 5
- Rings plus double bonds
- 11
The formula C20H21ClN2O3 describes a molecule made of 20 carbon atoms, 21 hydrogen atoms, 1 chlorine atom, 2 nitrogen atoms and 3 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 × 2064.43%12.011 × 20 = 240.220 g/mol
- H Hydrogen × 215.68%1.008 × 21 = 21.168 g/mol
- Cl Chlorine × 19.51%35.45 × 1 = 35.450 g/mol
- N Nitrogen × 27.51%14.007 × 2 = 28.014 g/mol
- O Oxygen × 312.87%15.999 × 3 = 47.997 g/mol
Look up another formula
Compounds with the formula C20H21ClN2O3
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 100 of 135 compounds
![6-(2-Chlorophenyl)-3-methyl-2-[4-morpholinyl(oxo)methyl]-1,5,6,7-tetrahydroindol-4-one chemical structure, C20H21ClN2O3, CAS 717876-88-5](/s/ZUFSHMVDVFUFHP-UHFFFAOYSA-N.svg)
6-(2-Chlorophenyl)-3-methyl-2-[4-morpholinyl(oxo)methyl]-1,5,6,7-tetrahydroindol-4-one
CAS 717876-88-5C20H21ClN2O3
![1-[(4-Chlorophenoxy)acetyl]-4-(phenylacetyl)piperazine chemical structure, C20H21ClN2O3, CAS 461415-11-2](/s/XUWONGFKJGXWMM-UHFFFAOYSA-N.svg)
1-[(4-Chlorophenoxy)acetyl]-4-(phenylacetyl)piperazine
CAS 461415-11-2C20H21ClN2O3
![[2-(4-Benzylpiperidin-1-yl)-2-oxoethyl] 2-chloropyridine-3-carboxylate chemical structure, C20H21ClN2O3, CAS 380554-03-0](/s/IJHPQDXBUMLOQF-UHFFFAOYSA-N.svg)
[2-(4-Benzylpiperidin-1-yl)-2-oxoethyl] 2-chloropyridine-3-carboxylate
CAS 380554-03-0C20H21ClN2O3
![5-Chloro-N-[2-(furan-2-yl)-2-(pyrrolidin-1-yl)ethyl]-3-methyl-1-benzofuran-2-carboxamide chemical structure, C20H21ClN2O3, CAS 874148-00-2](/s/DWXOOLPVZQPZHK-UHFFFAOYSA-N.svg)
5-Chloro-N-[2-(furan-2-yl)-2-(pyrrolidin-1-yl)ethyl]-3-methyl-1-benzofuran-2-carboxamide
CAS 874148-00-2C20H21ClN2O3
![N-[3-Chloro-4-(1-piperidinyl)phenyl]-2,3-dihydro-1,4-benzodioxine-6-carboxamide chemical structure, C20H21ClN2O3, CAS 384351-95-5](/s/HDOYMMIUGNIHII-UHFFFAOYSA-N.svg)
N-[3-Chloro-4-(1-piperidinyl)phenyl]-2,3-dihydro-1,4-benzodioxine-6-carboxamide
CAS 384351-95-5C20H21ClN2O3
![2-(4-Chlorophenyl)-3-(2,5-dimethoxyphenyl)hexahydro-1H-pyrrolo[1,2-c]imidazol-1-one chemical structure, C20H21ClN2O3, CAS 1034845-99-2](/s/GGLLJJQPFADSDH-UHFFFAOYSA-N.svg)
2-(4-Chlorophenyl)-3-(2,5-dimethoxyphenyl)hexahydro-1H-pyrrolo[1,2-c]imidazol-1-one
CAS 1034845-99-2C20H21ClN2O3
![2-(2-Chlorophenoxy)-N-[2-(1-piperidinylcarbonyl)phenyl]acetamide chemical structure, C20H21ClN2O3, CAS 875122-78-4](/s/SJYQGRHJRFYGHY-UHFFFAOYSA-N.svg)
2-(2-Chlorophenoxy)-N-[2-(1-piperidinylcarbonyl)phenyl]acetamide
CAS 875122-78-4C20H21ClN2O3
(Z)-N-(1-(4-Chlorophenyl)-3-((2-methoxyethyl)amino)-3-oxoprop-1-en-2-yl)-4-methylbenzamide
CAS 297145-60-9C20H21ClN2O3
![N-(3-Chlorophenyl)-4-ethoxy-N-[(2-oxopyrrolidin-1-yl)methyl]benzamide chemical structure, C20H21ClN2O3, CAS 852155-42-1](/s/KFAXJXPEUAHTMB-UHFFFAOYSA-N.svg)
N-(3-Chlorophenyl)-4-ethoxy-N-[(2-oxopyrrolidin-1-yl)methyl]benzamide
CAS 852155-42-1C20H21ClN2O3
![N-(3-Chlorophenyl)-2-ethoxy-N-[(2-oxopyrrolidin-1-yl)methyl]benzamide chemical structure, C20H21ClN2O3, CAS 852155-41-0](/s/OZVYWCLZQIBMQG-UHFFFAOYSA-N.svg)
N-(3-Chlorophenyl)-2-ethoxy-N-[(2-oxopyrrolidin-1-yl)methyl]benzamide
CAS 852155-41-0C20H21ClN2O3
1-(1-(3-((1-Chloronaphthalen-2-yl)oxy)-2-hydroxypropyl)-3,5-dimethyl-1H-pyrazol-4-yl)ethanone
CAS 890603-06-2C20H21ClN2O3
N-(2-Benzoyl-4-chlorophenyl)-2-morpholin-4-ylpropanamide
CAS 380549-09-7C20H21ClN2O3
![1-[4-(3-Chlorobenzoyl)piperazin-1-yl]-2-(4-methylphenoxy)ethanone chemical structure, C20H21ClN2O3, CAS 423732-76-7](/s/KDVAWHWRXSIGDC-UHFFFAOYSA-N.svg)
1-[4-(3-Chlorobenzoyl)piperazin-1-yl]-2-(4-methylphenoxy)ethanone
CAS 423732-76-7C20H21ClN2O3
1-Benzoyl-N-(3-chloro-4-methoxyphenyl)piperidine-4-carboxamide
CAS 591226-76-5C20H21ClN2O3
N-(4-Chlorophenyl)-1-(4-methoxybenzoyl)piperidine-4-carboxamide
CAS 700847-65-0C20H21ClN2O3
N-(2-Chlorophenyl)-1-(4-methoxybenzoyl)piperidine-4-carboxamide
CAS 700847-64-9C20H21ClN2O3
2-(4-Chlorophenyl)-N-(2-oxo-2-(2-phenylmorpholino)ethyl)acetamide
CAS 953947-07-4C20H21ClN2O3
![2-[4-(1,3-Benzodioxol-5-ylmethyl)piperazin-1-yl]-1-(4-chlorophenyl)ethanone chemical structure, C20H21ClN2O3, CAS 327094-24-6](/s/PFDKVSUDMFXHQE-UHFFFAOYSA-N.svg)
2-[4-(1,3-Benzodioxol-5-ylmethyl)piperazin-1-yl]-1-(4-chlorophenyl)ethanone
CAS 327094-24-6C20H21ClN2O3
2-(2-Chlorophenyl)-N-(1-(2-methoxyacetyl)-1,2,3,4-tetrahydroquinolin-7-yl)acetamide
CAS 1210185-94-6C20H21ClN2O3
Wdr91-IN-1
CAS 2759614-35-0C20H21ClN2O3
![Ethyl 4-[(4-methoxyphenyl)amino]-2-methylquinoline-6-carboxylate, chloride chemical structure, C20H21ClN2O3, CAS 474262-05-0](/s/NEVDKSGZHZWNRV-UHFFFAOYSA-N.svg)
Ethyl 4-[(4-methoxyphenyl)amino]-2-methylquinoline-6-carboxylate, chloride
CAS 474262-05-0C20H21ClN2O3
2-(4-Chlorophenoxy)-N-(2-propionyl-1,2,3,4-tetrahydroisoquinolin-7-yl)acetamide
CAS 955636-75-6C20H21ClN2O3
![2-(4-Chlorophenyl)-N-(3,3,5-trimethyl-4-oxo-2,3,4,5-tetrahydrobenzo[b][1,4]oxazepin-7-yl)acetamide chemical structure, C20H21ClN2O3, CAS 921541-77-7](/s/OCXIVKBBRYIMLA-UHFFFAOYSA-N.svg)
2-(4-Chlorophenyl)-N-(3,3,5-trimethyl-4-oxo-2,3,4,5-tetrahydrobenzo[b][1,4]oxazepin-7-yl)acetamide
CAS 921541-77-7C20H21ClN2O3
![4-Chloro-N-(5-ethyl-3,3-dimethyl-4-oxo-2,3,4,5-tetrahydrobenzo[b][1,4]oxazepin-7-yl)benzamide chemical structure, C20H21ClN2O3, CAS 921543-26-2](/s/PAKLBEBLMADLTO-UHFFFAOYSA-N.svg)
4-Chloro-N-(5-ethyl-3,3-dimethyl-4-oxo-2,3,4,5-tetrahydrobenzo[b][1,4]oxazepin-7-yl)benzamide
CAS 921543-26-2C20H21ClN2O3
- N-[1-(4-Chlorophenyl)-5-oxopyrrolidin-3-yl]-3-(4-methoxyphenyl)propanamide905667-63-2C20H21ClN2O3
- 2-(2-((4-(5-Chloro-2-methylphenyl)piperazinyl)carbonyl)phenyl)acetic acid497061-31-1C20H21ClN2O3
- 6-[4-Chloro-3-(2-hydroxy-ethoxy)-phenyl]-7-isopropyl-2-methyl-3H-quinazolin-4-one681292-65-9C20H21ClN2O3
- 4-(3-Chloro-4-hydroxy-5-methoxyphenyl)-2,7,7-trimethyl-5-oxo-1,4,6,8-tetrahydroquinoline-3-carbonitrile313970-31-9C20H21ClN2O3
- N-[4-Chloro-2-(phenylcarbonyl)phenyl]-3-morpholin-4-ylpropanamide378756-40-2C20H21ClN2O3
- 1-(3-Chloro-4-methylphenyl)-N-(2-ethoxyphenyl)-5-oxopyrrolidine-3-carboxamide446053-88-9C20H21ClN2O3
- 1-(3-Chloro-4-methylphenyl)-3-[2-(4-methoxyphenyl)ethylamino]pyrrolidine-2,5-dione357613-52-6C20H21ClN2O3
- 1-(3-Chloro-2-methylphenyl)-N-(3-ethoxyphenyl)-5-oxopyrrolidine-3-carboxamide443635-90-3C20H21ClN2O3
- N-(1-(3-(2-Chlorophenoxy)propyl)-5-methyl-2-oxoindolin-3-yl)acetamide1008222-70-5C20H21ClN2O3
- N-(5-Chloro-2-oxo-1-(3-(m-tolyloxy)propyl)indolin-3-yl)acetamide1009791-01-8C20H21ClN2O3
- 3-(5-Chloro-2-oxobenzo[d]oxazol-3(2H)-yl)-N-(4-phenylbutan-2-yl)propanamide902254-55-1C20H21ClN2O3
- Methyl 1-(4-methoxyphenyl)-2,3,4,9-tetrahydro-1H-beta-carboline-3-carboxylate, HCl1214193-64-2C20H21ClN2O3
- 3-[2-(2-Chlorophenyl)ethylamino]-1-(4-ethoxyphenyl)pyrrolidine-2,5-dione473703-17-2C20H21ClN2O3
- N-(5-Chloro-2-oxo-1-(3-(p-tolyloxy)propyl)indolin-3-yl)acetamide1008583-09-2C20H21ClN2O3
- 1-[4-(3-Chlorobenzoyl)piperazin-1-yl]-2-(3-methylphenoxy)ethanone423745-31-7C20H21ClN2O3
- 1-(5-Chloro-2-methoxyphenyl)-N-(2,6-dimethylphenyl)-5-oxopyrrolidine-3-carboxamide713081-73-3C20H21ClN2O3
- N-(3-Chloro-2-methylphenyl)-1-(4-ethoxyphenyl)-5-oxo-3-pyrrolidinecarboxamide876716-38-0C20H21ClN2O3
- N-(5-Chloro-2-methoxyphenyl)-1-(2,4-dimethylphenyl)-5-oxopyrrolidine-3-carboxamide876716-59-5C20H21ClN2O3
- 5-HT2A receptor agonist-2528525-37-3C20H21ClN2O3
- N-(5-Chloro-1-{[4-(methylethoxy)phenyl]methyl}-2-oxoindolin-3-yl)acetamide1008461-20-8C20H21ClN2O3
- 2-(4-Chlorophenoxy)-N-{4-[2-oxo-2-(pyrrolidin-1-yl)ethyl]phenyl}acetamide1060259-71-3C20H21ClN2O3
- 3-(2-Chlorobenzamido)cyclohexyl phenylcarbamate1351645-92-5C20H21ClN2O3
- Isopropyl (5-(2-chloroacetyl)-10,11-dihydro-5H-dibenzo[b,f]azepin-3-yl)carbamate105774-11-6C20H21ClN2O3
- 1H-Benzimidazole-1-propanoic acid, 5-chloro-2-((4-ethoxyphenyl)methyl)-beta-methyl-141246-04-0C20H21ClN2O3
- N-(5-Chloro-2-methoxyphenyl)-1-(2,3-dimethylphenyl)-5-oxopyrrolidine-3-carboxamide876715-73-0C20H21ClN2O3
- 3-(2-Chlorophenyl)-N-[4-(4-morpholinylcarbonyl)phenyl]propanamide940215-31-6C20H21ClN2O3
- 2-(2-Chlorophenoxy)-N-[4-(1-pyrrolidinylcarbonyl)phenyl]propanamide940503-89-9C20H21ClN2O3
- 3-{[(4-Chlorophenyl)acetyl]amino}-N-(tetrahydro-2-furanylmethyl)benzamide940539-55-9C20H21ClN2O3
- 4-{[(4-Chlorophenyl)acetyl]amino}-N-(tetrahydro-2-furanylmethyl)benzamide940464-36-8C20H21ClN2O3
- N-(4-Chlorophenyl)-N-(4-methoxybenzoyl)piperidine-1-carboxamide941869-84-7C20H21ClN2O3
- 4-Chloro-N-(5-ethyl-3,3-dimethyl-4-oxo-2,3,4,5-tetrahydrobenzo[b][1,4]oxazepin-8-yl)benzamide921519-17-7C20H21ClN2O3
- N1-(2-chlorobenzyl)-N2-(2-cyclopropyl-2-hydroxy-2-phenylethyl)oxalamide1421500-02-8C20H21ClN2O3
- Benzoic acid, 4-amino-2-chloro-, 4-benzoyl-1-methyl-4-piperidinyl ester, conjugate monoacid71266-48-3C20H21ClN2O3
- Piperazine, 1-((4-acetylphenoxy)acetyl)-4-(4-chlorophenyl)-31189-05-6C20H21ClN2O3
- 1-(4-Chlorobenzoyl)-N-(2-methoxyphenyl)piperidine-4-carboxamide433952-89-7C20H21ClN2O3
- N-(4-Chlorophenyl)-5-oxo-1-(4-propoxyphenyl)pyrrolidine-3-carboxamide364738-76-1C20H21ClN2O3
- 1-(3-Chloro-4-methylphenyl)-N-(4-ethoxyphenyl)-5-oxopyrrolidine-3-carboxamide713081-12-0C20H21ClN2O3
- 1-(5-Chloro-2-methoxyphenyl)-N-(3,4-dimethylphenyl)-5-oxopyrrolidine-3-carboxamide713081-75-5C20H21ClN2O3
- Spiro(4H-3,1-benzoxazine-4,4'-piperidin)-2(1H)-one, 1'-(2-(4-chlorophenyl)-2-hydroxyethyl)-85732-30-5C20H21ClN2O3
- 4-(4-Chlorophenyl)-4-oxo-2-(4-phenylpiperazin-1-yl)butanoic acid139084-70-1C20H21ClN2O3
- N-(5-Chloro-2-methoxyphenyl)-1-(2,5-dimethylphenyl)-5-oxopyrrolidine-3-carboxamide876715-57-0C20H21ClN2O3
- N-(5-Chloro-2-methoxyphenyl)-1-(4-ethylphenyl)-5-oxopyrrolidine-3-carboxamide876715-86-5C20H21ClN2O3
- 3-[(2-Chlorophenyl)(2-hydroxyethylamino)methyl]-1H-indole-2-carboxylic acid ethyl ester85138-07-4C20H21ClN2O3
- 2-(4-Chlorophenyl)-N-[4-methoxy-3-(2-oxopiperidin-1-yl)phenyl]acetamide941873-30-9C20H21ClN2O3
- 5-Chloro-2-methoxy-N-(2-oxo-1-propyl-1,2,3,4-tetrahydroquinolin-6-yl)benzamide941953-24-8C20H21ClN2O3
- 2-(4-Chloro-3-methylphenoxy)-N-[4-(1-pyrrolidinylcarbonyl)phenyl]acetamide940503-17-3C20H21ClN2O3
- 2-(4-Chloro-2-methylphenoxy)-N-[4-(1-pyrrolidinylcarbonyl)phenyl]acetamide940526-13-6C20H21ClN2O3
- N-(3-Chlorophenyl)-N-(4-methoxybenzoyl)piperidine-1-carboxamide899755-55-6C20H21ClN2O3
- 5-Chloro-2-methoxy-N-{4-[2-oxo-2-(pyrrolidin-1-yl)ethyl]phenyl}benzamide1060326-76-2C20H21ClN2O3
- Phenyl 4-((2-chlorobenzamido)methyl)piperidine-1-carboxylate1235092-53-1C20H21ClN2O3
- (E)-3-Chloro-N-((1-(3-(furan-2-yl)acryloyl)piperidin-4-yl)methyl)benzamide1235679-22-7C20H21ClN2O3
- Methyl 4-[1-(4-chlorobenzoyl)-piperazin-4-ylmethyl]-benzoate86620-82-8C20H21ClN2O3
- N1-(3-chloro-2-methylphenyl)-N2-(2-cyclopropyl-2-hydroxy-2-phenylethyl)oxalamide1421529-66-9C20H21ClN2O3
- N1-(3-chloro-2-methylphenyl)-N2-((2-hydroxy-1,2,3,4-tetrahydronaphthalen-2-yl)methyl)oxalamide1421526-67-1C20H21ClN2O3
- [2-(4-Benzylpiperidin-1-yl)-2-oxoethyl] 6-chloropyridine-3-carboxylate931081-74-2C20H21ClN2O3
- 1-Aziridineacetamide, alpha-(2-(4-chlorophenyl)-2-oxoethyl)-N-(4-ethoxyphenyl)-116356-09-3C20H21ClN2O3
- 5-Chloro-2-methoxy-N-[3-methyl-4-(2-oxopiperidin-1-yl)phenyl]benzamide942013-55-0C20H21ClN2O3
- 5-Chloro-2-methoxy-N-[4-methyl-3-(2-oxopiperidin-1-yl)phenyl]benzamide942014-11-1C20H21ClN2O3
- [Cyclohexyl(phenyl)carbamoyl]methyl 6-chloropyridine-3-carboxylate926174-37-0C20H21ClN2O3
- 2-(4-Chlorophenoxy)-N-(1-propanoyl-1,2,3,4-tetrahydroquinolin-7-yl)acetamide923220-35-3C20H21ClN2O3
- 2-(4-Chlorophenoxy)-N-(1-propanoyl-1,2,3,4-tetrahydroquinolin-6-yl)acetamide946246-36-2C20H21ClN2O3
- 2-(4-Chloro-1H-indol-1-yl)-N-[2-(3,4-dimethoxyphenyl)ethyl]acetamide1144468-17-6C20H21ClN2O3
- 2-(6-Chloro-1H-indol-1-yl)-N-[2-(3,4-dimethoxyphenyl)ethyl]acetamide1144441-96-2C20H21ClN2O3
- 2-(5-Chloro-1H-indol-1-yl)-N-[2-(3,4-dimethoxyphenyl)ethyl]acetamide1144475-26-2C20H21ClN2O3
- 2-Chloro-N-(5-ethyl-3,3-dimethyl-4-oxo-2,3,4,5-tetrahydrobenzo[b][1,4]oxazepin-7-yl)benzamide921863-04-9C20H21ClN2O3
- 2-(4-Chlorophenyl)-N-(3,3,5-trimethyl-4-oxo-2,3,4,5-tetrahydrobenzo[b][1,4]oxazepin-8-yl)acetamide921518-27-6C20H21ClN2O3
- 2-Chloro-N-(5-ethyl-3,3-dimethyl-4-oxo-2,3,4,5-tetrahydrobenzo[b][1,4]oxazepin-8-yl)benzamide921793-61-5C20H21ClN2O3
- 3-Chloro-N-(5-ethyl-3,3-dimethyl-4-oxo-2,3,4,5-tetrahydrobenzo[b][1,4]oxazepin-8-yl)benzamide921868-66-8C20H21ClN2O3
- 6-Chloro-3-{4-[2-(tetrahydro-2H-pyran-2-yloxy)ethoxy]phenyl}imidazo[1,2-a]pyridine1398123-36-8C20H21ClN2O3
- 5-Chloro-N-[2-(4-hydroxyphenyl)ethyl]-1-(2-methoxyethyl)-1H-indole-2-carboxamide1574400-87-5C20H21ClN2O3
- Methyl 7-(3-(3-chlorophenyl)propanamido)-3,4-dihydroisoquinoline-2(1H)-carboxylate2034573-29-8C20H21ClN2O3
- (5-Chloro-6-((tetrahydro-2H-pyran-4-yl)oxy)pyridin-3-yl)(3,4-dihydroisoquinolin-2(1H)-yl)methanone1903462-23-6C20H21ClN2O3
- 1-(4-Chlorophenyl)-4-(3-((5-methylpyridin-2-yl)oxy)pyrrolidin-1-yl)butane-1,4-dione1904097-57-9C20H21ClN2O3
- 1-(4-Chlorophenyl)-4-(4-(pyridin-4-yloxy)piperidin-1-yl)butane-1,4-dione2034495-65-1C20H21ClN2O3
- (4-((3-Chloropyridin-4-yl)oxy)piperidin-1-yl)(isochroman-3-yl)methanone2034395-25-8C20H21ClN2O3
- 1-{3-[(3-Chloropyridin-4-yl)oxy]piperidin-1-yl}-4-phenylbutane-1,4-dione2034575-00-1C20H21ClN2O3
Frequently asked questions
What is the molar mass of C20H21ClN2O3?
The molar mass of C20H21ClN2O3 is 372.85 g/mol, calculated from standard atomic weights for 20 carbon atoms, 21 hydrogen atoms, 1 chlorine atom, 2 nitrogen atoms and 3 oxygen atoms. The monoisotopic mass is 372.1241 Da.
How many compounds have the formula C20H21ClN2O3?
CompoundList lists 135 compounds with the molecular formula C20H21ClN2O3, including 6-(2-Chlorophenyl)-3-methyl-2-[4-morpholinyl(oxo)methyl]-1,5,6,7-tetrahydroindol-4-one, 1-[(4-Chlorophenoxy)acetyl]-4-(phenylacetyl)piperazine, [2-(4-Benzylpiperidin-1-yl)-2-oxoethyl] 2-chloropyridine-3-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 C20H21ClN2O3?
C20H21ClN2O3 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.