Molecular formula
C18H20ClN3O2
157 compounds have this formula on CompoundList.
- Molar mass
- 345.83g/mol
- Monoisotopic mass
- 345.1244Da
- Atoms
- 44
- Elements
- 5
- Rings plus double bonds
- 10
The formula C18H20ClN3O2 describes a molecule made of 18 carbon atoms, 20 hydrogen atoms, 1 chlorine atom, 3 nitrogen atoms and 2 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 × 1862.52%12.011 × 18 = 216.198 g/mol
- H Hydrogen × 205.83%1.008 × 20 = 20.160 g/mol
- Cl Chlorine × 110.25%35.45 × 1 = 35.450 g/mol
- N Nitrogen × 312.15%14.007 × 3 = 42.021 g/mol
- O Oxygen × 29.25%15.999 × 2 = 31.998 g/mol
Look up another formula
Compounds with the formula C18H20ClN3O2
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 100 of 157 compounds
![1-(3-Chlorobenzyl)-3-[(4-methylpiperazino)carbonyl]-2(1H)-pyridinone chemical structure, C18H20ClN3O2, CAS 338754-96-4](/s/LTHRDWZFYIVADH-UHFFFAOYSA-N.svg)
1-(3-Chlorobenzyl)-3-[(4-methylpiperazino)carbonyl]-2(1H)-pyridinone
CAS 338754-96-4C18H20ClN3O2
N-(5-Chloro-2-methylphenyl)-2-(6-methyl-3-oxo-5,6,7,8-tetrahydrocinnolin-2(3H)-yl)acetamide
CAS 932997-71-2C18H20ClN3O2
![Benzaldehyde, 4-[2-[1-(6-chloro-3-pyridazinyl)-4-piperidinyl]ethoxy]- chemical structure, C18H20ClN3O2, CAS 124437-50-9](/s/ZLKXCFJTGDNRLO-UHFFFAOYSA-N.svg)
Benzaldehyde, 4-[2-[1-(6-chloro-3-pyridazinyl)-4-piperidinyl]ethoxy]-
CAS 124437-50-9C18H20ClN3O2
![1-(4-Chlorobenzyl)-5-[(4-methylpiperazino)carbonyl]-2(1H)-pyridinone chemical structure, C18H20ClN3O2, CAS 338783-47-4](/s/MWECGTFNUMQVFN-UHFFFAOYSA-N.svg)
1-(4-Chlorobenzyl)-5-[(4-methylpiperazino)carbonyl]-2(1H)-pyridinone
CAS 338783-47-4C18H20ClN3O2
N1-(2-chlorophenyl)-N2-(4-(dimethylamino)phenethyl)oxalamide
CAS 953987-39-8C18H20ClN3O2
![N-Benzyl-4-[(3-chloropyridin-2-yl)oxy]piperidine-1-carboxamide chemical structure, C18H20ClN3O2, CAS 1448044-21-0](/s/PXUJBYTVQNBELZ-UHFFFAOYSA-N.svg)
N-Benzyl-4-[(3-chloropyridin-2-yl)oxy]piperidine-1-carboxamide
CAS 1448044-21-0C18H20ClN3O2
1-(4-(4-Chlorophenyl)piperazin-1-yl)-2-(pyridin-4-ylmethoxy)ethanone
CAS 945422-38-8C18H20ClN3O2
(6-(4-Chlorophenylamino)-5-methoxypyridin-3-yl)(piperidin-1-yl)methanone
CAS 942511-38-8C18H20ClN3O2
![(4-[4-(5-Chloro-2-methoxybenzoyl)piperazin-1-yl]phenyl)amine chemical structure, C18H20ClN3O2, CAS 892693-46-8](/s/NFPVNXYQTBPQHO-UHFFFAOYSA-N.svg)
(4-[4-(5-Chloro-2-methoxybenzoyl)piperazin-1-yl]phenyl)amine
CAS 892693-46-8C18H20ClN3O2
4-(4-Chlorophenyl)-3-(4-morpholinyl)-N-2-propen-1-yl-1H-pyrrole-2-carboxamide
CAS 200862-97-1C18H20ClN3O2
HC Blue no. 8
CAS 166377-62-4C18H20ClN3O2
![N-[(4-Chlorophenyl)methyl]-2-nitro-5-piperidin-1-ylaniline chemical structure, C18H20ClN3O2, CAS 347353-70-2](/s/QORFCRIBNSKVNC-UHFFFAOYSA-N.svg)
N-[(4-Chlorophenyl)methyl]-2-nitro-5-piperidin-1-ylaniline
CAS 347353-70-2C18H20ClN3O2
![1-(tert-Butyl)-3-((5-chloro-3-(hydroxymethyl)pyridin-2-yl)methyl)-1H-pyrrolo[2,3-b]pyridin-2(3H)-one chemical structure, C18H20ClN3O2, CAS 1455358-11-8](/s/ZPDUZCIPSKYVDS-UHFFFAOYSA-N.svg)
1-(tert-Butyl)-3-((5-chloro-3-(hydroxymethyl)pyridin-2-yl)methyl)-1H-pyrrolo[2,3-b]pyridin-2(3H)-one
CAS 1455358-11-8C18H20ClN3O2
2-(2-(Azepan-1-yl)-2-oxoethyl)-6-(4-chlorophenyl)pyridazin-3(2H)-one
CAS 923101-59-1C18H20ClN3O2
![1-[(3-Chlorophenyl)methyl]-4-[(4-nitrophenyl)methyl]piperazine chemical structure, C18H20ClN3O2, CAS 355396-29-1](/s/KLMGNHPSJSGOTN-UHFFFAOYSA-N.svg)
1-[(3-Chlorophenyl)methyl]-4-[(4-nitrophenyl)methyl]piperazine
CAS 355396-29-1C18H20ClN3O2
![1-[(3-Chlorophenyl)methyl]-4-[(3-nitrophenyl)methyl]piperazine chemical structure, C18H20ClN3O2, CAS 355396-40-6](/s/QLAWUQQHIACJNH-UHFFFAOYSA-N.svg)
1-[(3-Chlorophenyl)methyl]-4-[(3-nitrophenyl)methyl]piperazine
CAS 355396-40-6C18H20ClN3O2
N-(3-Chlorophenyl)-4-(4-methoxyphenyl)piperazine-1-carboxamide
CAS 401641-02-9C18H20ClN3O2
Piperazine, 1-(4-acetylphenyl)-4-(3-pyridinylcarbonyl)-, monohydrochloride
CAS 124444-92-4C18H20ClN3O2
4-(3-Chlorophenyl)-N-(4-methoxyphenyl)piperazine-1-carboxamide
CAS 900675-13-0C18H20ClN3O2
![3-{[(4-Chloroanilino)carbonyl]amino}-N,N-diethylbenzamide chemical structure, C18H20ClN3O2, CAS 940223-09-6](/s/PLLAMBQXFBSSSI-UHFFFAOYSA-N.svg)
3-{[(4-Chloroanilino)carbonyl]amino}-N,N-diethylbenzamide
CAS 940223-09-6C18H20ClN3O2
![N-(sec-Butyl)-3-{[(4-chloroanilino)carbonyl]amino}benzamide chemical structure, C18H20ClN3O2, CAS 940519-89-1](/s/WMAXCSDJWCUQRQ-UHFFFAOYSA-N.svg)
N-(sec-Butyl)-3-{[(4-chloroanilino)carbonyl]amino}benzamide
CAS 940519-89-1C18H20ClN3O2
2-(2-Chlorophenyl)-1-(4-((6-methylpyridazin-3-yl)oxy)piperidin-1-yl)ethanone
CAS 1797222-17-3C18H20ClN3O2
![4-[(E)-{[4-(4-Chlorophenyl)piperazin-1-yl]imino}methyl]-2-methoxyphenol chemical structure, C18H20ClN3O2, CAS 5784-08-7](/s/WONLIVGPSZKNTM-DEDYPNTBSA-N.svg)
4-[(E)-{[4-(4-Chlorophenyl)piperazin-1-yl]imino}methyl]-2-methoxyphenol
CAS 5784-08-7C18H20ClN3O2
![1-(1,3-Benzodioxol-5-ylmethyl)-4-[(6-chloro-3-pyridinyl)methyl]piperazine chemical structure, C18H20ClN3O2, CAS 861211-55-4](/s/SBXTWRUTXGYSAB-UHFFFAOYSA-N.svg)
1-(1,3-Benzodioxol-5-ylmethyl)-4-[(6-chloro-3-pyridinyl)methyl]piperazine
CAS 861211-55-4C18H20ClN3O2
- 1-Benzyl-3-chloro-5-[(4-methylpiperazino)carbonyl]-2(1H)-pyridinone339024-49-6C18H20ClN3O2
- 4-(4-Chlorophenyl)-N-(3-methoxyphenyl)piperazine-1-carboxamide706765-29-9C18H20ClN3O2
- 2-(3-Chlorophenoxy)-1-(4-pyridin-2-ylpiperazin-1-yl)propan-1-one693832-27-8C18H20ClN3O2
- 2-(3-(4-Chlorophenyl)-6-oxopyridazin-1(6H)-yl)-N-cyclohexylacetamide898201-84-8C18H20ClN3O2
- 3-(2-Chlorophenyl)-5-methylisoxazol-4-yl 4-prop-2-enylpiperazinyl ketone915917-03-2C18H20ClN3O2
- N-(4-{[(4-Chloroanilino)carbonyl]amino}phenyl)-3-methylbutanamide940213-70-7C18H20ClN3O2
- 3-{[(3-Chloroanilino)carbonyl]amino}-N,N-diethylbenzamide940218-28-0C18H20ClN3O2
- N-Butyl-4-{[(4-chloroanilino)carbonyl]amino}benzamide940229-57-2C18H20ClN3O2
- 4-{[(4-Chloroanilino)carbonyl]amino}-N,N-diethylbenzamide940466-62-6C18H20ClN3O2
- N-Butyl-3-{[(3-chloroanilino)carbonyl]amino}benzamide940536-42-5C18H20ClN3O2
- N-(tert-Butyl)-4-{[(4-chloroanilino)carbonyl]amino}benzamide940518-17-2C18H20ClN3O2
- N-tert-Butyl-4-{[(3-chlorophenyl)carbamoyl]amino}benzamide940518-61-6C18H20ClN3O2
- N-(3-{[(4-Chloroanilino)carbonyl]amino}phenyl)-2,2-dimethylpropanamide940481-26-5C18H20ClN3O2
- 2-(2-Chlorophenyl)-1-(4-(5-cyclopropyl-1,3,4-oxadiazol-2-yl)piperidin-1-yl)ethanone1209431-41-3C18H20ClN3O2
- Benzyl 4-(2-chloro-pyridin-3-yl-amino)-piperidine-1-carboxylate1146637-14-0C18H20ClN3O2
- 2-[2-(1-Azepanyl)-2-oxoethyl]-6-(2-chlorophenyl)-3(2H)-pyridazinone1374527-20-4C18H20ClN3O2
- 2-(4-Chlorophenyl)-N-[(1r,4r)-4-(pyrimidin-2-yloxy)cyclohexyl]acetamide2034400-52-5C18H20ClN3O2
- 4-(4-Chlorophenyl)-4-oxo-N-((4,5,6,7-tetrahydropyrazolo[1,5-a]pyridin-3-yl)methyl)butanamide2034546-12-6C18H20ClN3O2
- 4-(((4-(4-Chlorobenzyl)-1-piperazinyl)imino)methyl)-1,3-benzenediol306989-63-9C18H20ClN3O2
- 4(1H)-Quinazolinone, 2,3-dihydro-1-(dimethylaminoacetyl)-3-phenyl-, hydrochloride20887-26-7C18H20ClN3O2
- 1-[(4-Chlorophenyl)methyl]-4-[(4-nitrophenyl)methyl]piperazine356076-08-9C18H20ClN3O2
- 1-(4-Chlorophenoxy)-3-(3-ethyl-2-iminobenzimidazol-1-yl)propan-2-ol503428-36-2C18H20ClN3O2
- Imidazo[1,5-a]pyrazin-3(2H)-one, hexahydro-2-(3-phenoxyphenyl)-, hydrochloride (1:1)1002338-37-5C18H20ClN3O2
- 4-((3-Chloropyridin-2-yl)oxy)-N-(o-tolyl)piperidine-1-carboxamide1448079-26-2C18H20ClN3O2
- 4-((5-Chloropyridin-2-yl)oxy)-N-(m-tolyl)piperidine-1-carboxamide1448134-25-5C18H20ClN3O2
- 2-(4-Chloro-3-(hydroxymethyl)pyridin-2-yl)-7,7-dimethyl-2,3,4,6,7,8-hexahydro-1H-cyclopenta[4,5]pyrrolo[1,2-a]pyrazin-1-one1434051-94-1C18H20ClN3O2
- (E)-3-(2-Chlorophenyl)-N-(1-((tetrahydro-2H-pyran-4-yl)methyl)-1H-pyrazol-4-yl)acrylamide1706483-20-6C18H20ClN3O2
- 2-(2-Chlorophenyl)-N-[(1r,4r)-4-(pyrazin-2-yloxy)cyclohexyl]acetamide2034396-16-0C18H20ClN3O2
- 1-[(3-Chlorophenyl)methyl]-4-[(2-nitrophenyl)methyl]piperazine423748-13-4C18H20ClN3O2
- 1-[(2-Chlorophenyl)methyl]-4-[(2-nitrophenyl)methyl]piperazine423748-42-9C18H20ClN3O2
- 1-[(2-Chlorophenyl)methyl]-4-[(4-nitrophenyl)methyl]piperazine423154-98-7C18H20ClN3O2
- 1-(4-Chlorobenzyl)-4-(2-nitrobenzyl)piperazine423739-36-0C18H20ClN3O2
- N-(4-Chlorophenyl)-2,3-dimethyl-6-phenyl-1,2,5-oxadiazinane-5-carboxamide338794-83-5C18H20ClN3O2
- Biir 561CL206260-34-6C18H20ClN3O2
- N-(2-(4-Chlorophenoxy)phenyl)-4-methyl-1-piperazinecarboxamide69478-73-5C18H20ClN3O2
- N-(2-(3-(4-Chlorophenyl)-6-oxopyridazin-1(6H)-yl)ethyl)cyclopentanecarboxamide921851-87-8C18H20ClN3O2
- 2-Chloro-N-({2-[(morpholin-4-yl)methyl]phenyl}methyl)pyridine-4-carboxamide1222972-96-4C18H20ClN3O2
- 2-[1-(6-Chloropyridin-3-yl)-N-propylformamido]-N-(2-methylphenyl)acetamide1090918-01-6C18H20ClN3O2
- 3-[4-({[(4-Chlorophenyl)amino]carbonyl}amino)phenyl]-N,N-dimethylpropanamide1158342-31-4C18H20ClN3O2
- N-({4-[(Butan-2-yl)carbamoyl]phenyl}methyl)-2-chloropyridine-4-carboxamide1241329-75-8C18H20ClN3O2
- N-(3-Chloro-2-methylphenyl)-2-(2-methyl-4-oxo-5,6,7,8-tetrahydroquinazolin-3(4H)-yl)acetamide1251568-23-6C18H20ClN3O2
- N-(5-Chloro-2-methylphenyl)-2-(2-methyl-4-oxo-5,6,7,8-tetrahydroquinazolin-3-yl)acetamide1251621-64-3C18H20ClN3O2
- 2-(3-(2-Chlorophenyl)-6-oxopyridazin-1(6H)-yl)-N-cyclohexylacetamide1246050-98-5C18H20ClN3O2
- N-({3-[(Butan-2-yl)carbamoyl]phenyl}methyl)-2-chloropyridine-4-carboxamide1259086-52-6C18H20ClN3O2
- N-(3-Chlorobenzyl)-2-(3-oxo-3,5,6,7,8,9-hexahydro-2H-cyclohepta[c]pyridazin-2-yl)acetamide1324067-52-8C18H20ClN3O2
- 6-Chloro-N-{4-[1-(morpholin-4-yl)ethyl]phenyl}pyridine-3-carboxamide1280945-14-3C18H20ClN3O2
- N-[2-(6-Chloro-1H-indol-1-yl)ethyl]-3-(3,5-dimethyl-1,2-oxazol-4-yl)propanamide1401576-11-1C18H20ClN3O2
- 5-Chloro-1-(2-methoxyethyl)-N-[(1-methyl-1H-pyrrol-2-yl)methyl]-1H-indole-2-carboxamide1435997-45-7C18H20ClN3O2
- 3-Chloro-N-(2-(4-cyclopentyl-6-oxopyrimidin-1(6H)-yl)ethyl)benzamide1797126-70-5C18H20ClN3O2
- N-(3-Chlorophenyl)-4-((6-methylpyridin-2-yl)oxy)piperidine-1-carboxamide1797187-79-1C18H20ClN3O2
- 2-(2-(3-(4-Chlorophenyl)azepan-1-yl)-2-oxoethyl)pyridazin-3(2H)-one1795443-14-9C18H20ClN3O2
- (2-Chlorophenyl)(3-((3-cyclopropyl-1,2,4-oxadiazol-5-yl)methyl)piperidin-1-yl)methanone1706305-20-5C18H20ClN3O2
- 1-(2-Chlorophenyl)-3-(2-hydroxy-2-(1-methylindolin-5-yl)ethyl)urea1706323-71-8C18H20ClN3O2
- 2-(4-Chlorophenyl)-N-[(1r,4r)-4-(pyrazin-2-yloxy)cyclohexyl]acetamide2034450-90-1C18H20ClN3O2
- 2-(4-Chlorophenoxy)-N-((1-(pyridin-2-yl)pyrrolidin-2-yl)methyl)acetamide2034468-83-0C18H20ClN3O2
- 5-Chloro-2-methoxy-N-((1-(pyridin-2-yl)pyrrolidin-2-yl)methyl)benzamide2034250-59-2C18H20ClN3O2
- N-(4-Chlorobenzyl)-3-((6-methylpyridin-2-yl)oxy)pyrrolidine-1-carboxamide1903037-19-3C18H20ClN3O2
- N-(4-Chlorobenzyl)-3-((5-methylpyridin-2-yl)oxy)pyrrolidine-1-carboxamide1904098-65-2C18H20ClN3O2
- (3-((3-Chloropyridin-4-yl)oxy)pyrrolidin-1-yl)(3-(dimethylamino)phenyl)methanone2034432-52-3C18H20ClN3O2
- 3-((3-Chloropyridin-4-yl)oxy)-N-(3,4-dimethylphenyl)pyrrolidine-1-carboxamide2034393-41-2C18H20ClN3O2
- N-Benzyl-4-((3-chloropyridin-4-yl)oxy)piperidine-1-carboxamide2034252-15-6C18H20ClN3O2
- (2-Chlorophenyl)(4-((2,6-dimethylpyrimidin-4-yl)oxy)piperidin-1-yl)methanone2034274-86-5C18H20ClN3O2
- 3-((3-Chloropyridin-4-yl)oxy)-N-phenethylpyrrolidine-1-carboxamide2034495-95-7C18H20ClN3O2
- 1-(3-((5-Chloropyrimidin-2-yl)oxy)pyrrolidin-1-yl)-4-phenylbutan-1-one2034495-21-9C18H20ClN3O2
- 4-((3-Chloropyridin-4-yl)oxy)-N-(m-tolyl)piperidine-1-carboxamide2034620-97-6C18H20ClN3O2
- (3-Chlorophenyl)(3-((2,6-dimethylpyrimidin-4-yl)oxy)piperidin-1-yl)methanone2034472-64-3C18H20ClN3O2
- 2-(2-Chlorophenyl)-1-(4-((2-methylpyrimidin-4-yl)oxy)piperidin-1-yl)ethanone2097915-11-0C18H20ClN3O2
- (E)-3-(4-Chlorophenyl)-1-(4-((5-methylisoxazol-4-yl)methyl)piperazin-1-yl)prop-2-en-1-one2035000-62-3C18H20ClN3O2
- 3-(5-tert-Butyl-1,3-oxazol-2-yl)-N-[(2-chlorophenyl)(cyano)methyl]propanamide1825577-57-8C18H20ClN3O2
- 3-(3-Chlorophenyl)-1-[3-(pyrimidin-2-yloxy)piperidin-1-yl]propan-1-one2034396-17-1C18H20ClN3O2
- 3-(3-Chlorophenyl)-1-(3-(pyrimidin-4-yloxy)piperidin-1-yl)propan-1-one2034580-69-1C18H20ClN3O2
- N-Benzyl-3-((3-chloropyridin-4-yl)oxy)piperidine-1-carboxamide2034277-61-5C18H20ClN3O2
- 3-((3-Chloropyridin-4-yl)oxy)-N-(o-tolyl)piperidine-1-carboxamide2034434-25-6C18H20ClN3O2
- 2-(4-Chlorophenyl)-1-(3-((2-methylpyrimidin-4-yl)oxy)piperidin-1-yl)ethanone2034575-52-3C18H20ClN3O2
- 3-(3-Chlorophenyl)-N-(2-(3-cyclopropyl-6-oxopyridazin-1(6H)-yl)ethyl)propanamide2034563-80-7C18H20ClN3O2
- (3-Chlorophenyl)(3-((4,6-dimethylpyrimidin-2-yl)oxy)piperidin-1-yl)methanone2097893-89-3C18H20ClN3O2
Frequently asked questions
What is the molar mass of C18H20ClN3O2?
The molar mass of C18H20ClN3O2 is 345.83 g/mol, calculated from standard atomic weights for 18 carbon atoms, 20 hydrogen atoms, 1 chlorine atom, 3 nitrogen atoms and 2 oxygen atoms. The monoisotopic mass is 345.1244 Da.
How many compounds have the formula C18H20ClN3O2?
CompoundList lists 157 compounds with the molecular formula C18H20ClN3O2, including 1-(3-Chlorobenzyl)-3-[(4-methylpiperazino)carbonyl]-2(1H)-pyridinone, N-(5-Chloro-2-methylphenyl)-2-(6-methyl-3-oxo-5,6,7,8-tetrahydrocinnolin-2(3H)-yl)acetamide, Benzaldehyde, 4-[2-[1-(6-chloro-3-pyridazinyl)-4-piperidinyl]ethoxy]-. 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 C18H20ClN3O2?
C18H20ClN3O2 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.