Molecular formula
C21H18ClN3O2
60 compounds have this formula on CompoundList.
- Molar mass
- 379.84g/mol
- Monoisotopic mass
- 379.1088Da
- Atoms
- 45
- Elements
- 5
- Rings plus double bonds
- 14
The formula C21H18ClN3O2 describes a molecule made of 21 carbon atoms, 18 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 × 2166.40%12.011 × 21 = 252.231 g/mol
- H Hydrogen × 184.78%1.008 × 18 = 18.144 g/mol
- Cl Chlorine × 19.33%35.45 × 1 = 35.450 g/mol
- N Nitrogen × 311.06%14.007 × 3 = 42.021 g/mol
- O Oxygen × 28.42%15.999 × 2 = 31.998 g/mol
Look up another formula
Compounds with the formula C21H18ClN3O2
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 60 of 60 compounds
N-(2-(1H-Indol-1-yl)ethyl)-3-(2-chlorophenyl)-5-methylisoxazole-4-carboxamide
CAS 851410-86-1C21H18ClN3O2
![3-Butyl-10-(4-chlorophenyl)pyrimido[4,5-b]quinoline-2,4(3H,10H)-dione chemical structure, C21H18ClN3O2, CAS 317326-95-7](/s/NECRYMIQCSTGMC-UHFFFAOYSA-N.svg)
3-Butyl-10-(4-chlorophenyl)pyrimido[4,5-b]quinoline-2,4(3H,10H)-dione
CAS 317326-95-7C21H18ClN3O2
![N-(1-{1-[(2-Chlorophenyl)methyl]-1H-1,3-benzodiazol-2-yl}ethyl)furan-2-carboxamide chemical structure, C21H18ClN3O2, CAS 920118-79-2](/s/WUEZOPBJOSUMQZ-UHFFFAOYSA-N.svg)
N-(1-{1-[(2-Chlorophenyl)methyl]-1H-1,3-benzodiazol-2-yl}ethyl)furan-2-carboxamide
CAS 920118-79-2C21H18ClN3O2
![6-[(4-Chlorophenyl)methyl]-1,3-dimethyl-5-phenylpyrrolo[3,4-d]pyrimidine-2,4-dione chemical structure, C21H18ClN3O2, CAS 672274-77-0](/s/FGQVXFPCUKNTGY-UHFFFAOYSA-N.svg)
6-[(4-Chlorophenyl)methyl]-1,3-dimethyl-5-phenylpyrrolo[3,4-d]pyrimidine-2,4-dione
CAS 672274-77-0C21H18ClN3O2
![N-(2-Chlorobenzyl)-5-((2-methyl-1H-benzo[d]imidazol-1-yl)methyl)furan-2-carboxamide chemical structure, C21H18ClN3O2, CAS 1173031-01-0](/s/OSFUSLVUYKMWHH-UHFFFAOYSA-N.svg)
N-(2-Chlorobenzyl)-5-((2-methyl-1H-benzo[d]imidazol-1-yl)methyl)furan-2-carboxamide
CAS 1173031-01-0C21H18ClN3O2
![N-(4-Chlorobenzyl)-5-((2-methyl-1H-benzo[d]imidazol-1-yl)methyl)furan-2-carboxamide chemical structure, C21H18ClN3O2, CAS 1173029-51-0](/s/VNXSMLJEQZSLEA-UHFFFAOYSA-N.svg)
N-(4-Chlorobenzyl)-5-((2-methyl-1H-benzo[d]imidazol-1-yl)methyl)furan-2-carboxamide
CAS 1173029-51-0C21H18ClN3O2
![2-Chloro-5-[(3,5-dimethylbenzoyl)amino]-N-pyridin-3-ylbenzamide chemical structure, C21H18ClN3O2, CAS 896157-81-6](/s/FMFYUFUEHMPOMP-UHFFFAOYSA-N.svg)
2-Chloro-5-[(3,5-dimethylbenzoyl)amino]-N-pyridin-3-ylbenzamide
CAS 896157-81-6C21H18ClN3O2
![2-Chloro-5-[(3,4-dimethylbenzoyl)amino]-N-pyridin-3-ylbenzamide chemical structure, C21H18ClN3O2, CAS 896158-08-0](/s/CNLJKLODZVXKSB-UHFFFAOYSA-N.svg)
2-Chloro-5-[(3,4-dimethylbenzoyl)amino]-N-pyridin-3-ylbenzamide
CAS 896158-08-0C21H18ClN3O2
2-(2-Chloro-5-nitrophenyl)-1,3-diphenylimidazolidine
CAS 303058-58-4C21H18ClN3O2
![7-(3-Chlorophenyl)-2-[(4-methoxyphenyl)amino]-7,8-dihydroquinazolin-5(6H)-one chemical structure, C21H18ClN3O2, CAS 714225-36-2](/s/QCYDFBYWJOJOQH-UHFFFAOYSA-N.svg)
7-(3-Chlorophenyl)-2-[(4-methoxyphenyl)amino]-7,8-dihydroquinazolin-5(6H)-one
CAS 714225-36-2C21H18ClN3O2
![N-({1-[(4-Chlorophenyl)methyl]benzimidazol-2-yl}ethyl)-2-furylcarboxamide chemical structure, C21H18ClN3O2, CAS 919972-14-8](/s/DMRBOMNZDZPSSH-UHFFFAOYSA-N.svg)
N-({1-[(4-Chlorophenyl)methyl]benzimidazol-2-yl}ethyl)-2-furylcarboxamide
CAS 919972-14-8C21H18ClN3O2
![N-({1-[(2-Chlorophenyl)methyl]-1H-1,3-benzodiazol-2-yl}methyl)-N-methylfuran-2-carboxamide chemical structure, C21H18ClN3O2, CAS 919976-07-1](/s/YVYZALRETWATAH-UHFFFAOYSA-N.svg)
N-({1-[(2-Chlorophenyl)methyl]-1H-1,3-benzodiazol-2-yl}methyl)-N-methylfuran-2-carboxamide
CAS 919976-07-1C21H18ClN3O2
![N-({1-[(3-Chlorophenyl)methyl]-1H-1,3-benzodiazol-2-yl}methyl)-N-methylfuran-2-carboxamide chemical structure, C21H18ClN3O2, CAS 919976-16-2](/s/SBPSRHRZDDIMLO-UHFFFAOYSA-N.svg)
N-({1-[(3-Chlorophenyl)methyl]-1H-1,3-benzodiazol-2-yl}methyl)-N-methylfuran-2-carboxamide
CAS 919976-16-2C21H18ClN3O2
2-(4-Chloro-3-nitrophenyl)-1,3-diphenylimidazolidine
CAS 303214-33-7C21H18ClN3O2
![7-(4-Chlorophenyl)-2-[(4-methoxyphenyl)amino]-7,8-dihydroquinazolin-5(6H)-one chemical structure, C21H18ClN3O2, CAS 713126-14-8](/s/AQMWCJYKRVBHDD-UHFFFAOYSA-N.svg)
7-(4-Chlorophenyl)-2-[(4-methoxyphenyl)amino]-7,8-dihydroquinazolin-5(6H)-one
CAS 713126-14-8C21H18ClN3O2
3,8-Diamino-6-(4-carboxyphenyl)-5-methylphenanthridinium chloride
CAS 52671-19-9C21H18ClN3O2
![N-((1-(4-Chlorobenzyl)-1H-benzo[d]imidazol-2-yl)methyl)-N-methylfuran-2-carboxamide chemical structure, C21H18ClN3O2, CAS 919976-19-5](/s/QLCGRSWLSVKEHK-UHFFFAOYSA-N.svg)
N-((1-(4-Chlorobenzyl)-1H-benzo[d]imidazol-2-yl)methyl)-N-methylfuran-2-carboxamide
CAS 919976-19-5C21H18ClN3O2
![N-Benzyl-2-[(3-chlorophenyl)carbamoylamino]benzamide chemical structure, C21H18ClN3O2, CAS 429620-18-8](/s/JPWVQGJXFIOUBC-UHFFFAOYSA-N.svg)
N-Benzyl-2-[(3-chlorophenyl)carbamoylamino]benzamide
CAS 429620-18-8C21H18ClN3O2
![N-{2-[1-(2-Chlorobenzyl)-1H-benzimidazol-2-yl]ethyl}furan-2-carboxamide chemical structure, C21H18ClN3O2, CAS 871547-46-5](/s/NDXUDKQJCUWCHO-UHFFFAOYSA-N.svg)
N-{2-[1-(2-Chlorobenzyl)-1H-benzimidazol-2-yl]ethyl}furan-2-carboxamide
CAS 871547-46-5C21H18ClN3O2
![3-(2-Chlorophenyl)-N-[2-(1H-indol-3-yl)ethyl]-5-methyl-1,2-oxazole-4-carboxamide chemical structure, C21H18ClN3O2, CAS 920623-24-1](/s/PZNHZFRUEOCECA-UHFFFAOYSA-N.svg)
3-(2-Chlorophenyl)-N-[2-(1H-indol-3-yl)ethyl]-5-methyl-1,2-oxazole-4-carboxamide
CAS 920623-24-1C21H18ClN3O2
![1-(5-Chloro-2-methoxyphenyl)-4-(1-(prop-2-yn-1-yl)-1H-benzo[d]imidazol-2-yl)pyrrolidin-2-one chemical structure, C21H18ClN3O2, CAS 847397-64-2](/s/WEDIWGQHUVUBEV-UHFFFAOYSA-N.svg)
1-(5-Chloro-2-methoxyphenyl)-4-(1-(prop-2-yn-1-yl)-1H-benzo[d]imidazol-2-yl)pyrrolidin-2-one
CAS 847397-64-2C21H18ClN3O2
1-(4-Chlorophenyl)-N-(2-methylquinolin-5-yl)-5-oxopyrrolidine-3-carboxamide
CAS 1203278-88-9C21H18ClN3O2
![3-[3-(2-Chlorophenyl)-1,2,4-oxadiazol-5-yl]-6-methyl-1-propylquinolin-4(1H)-one chemical structure, C21H18ClN3O2, CAS 1326895-45-7](/s/YHIXAPVQSULZLH-UHFFFAOYSA-N.svg)
3-[3-(2-Chlorophenyl)-1,2,4-oxadiazol-5-yl]-6-methyl-1-propylquinolin-4(1H)-one
CAS 1326895-45-7C21H18ClN3O2
![3-[3-(4-Chlorophenyl)-1,2,4-oxadiazol-5-yl]-6-methyl-1-propylquinolin-4(1H)-one chemical structure, C21H18ClN3O2, CAS 1326821-98-0](/s/PCYAYPDBPJCHIL-UHFFFAOYSA-N.svg)
3-[3-(4-Chlorophenyl)-1,2,4-oxadiazol-5-yl]-6-methyl-1-propylquinolin-4(1H)-one
CAS 1326821-98-0C21H18ClN3O2
- N-(4-Chlorophenyl)-2-[(2-methylphenyl)carbamoylamino]benzamide428504-43-2C21H18ClN3O2
- 2-[(3-Chlorophenyl)carbamoylamino]-N-(4-methylphenyl)benzamide428825-46-1C21H18ClN3O2
- 3-{[(4-Chloroanilino)carbonyl]amino}-N-methyl-N-phenylbenzamide941412-37-9C21H18ClN3O2
- 4-{[(4-Chloroanilino)carbonyl]amino}-N-methyl-N-phenylbenzamide941464-12-6C21H18ClN3O2
- 4-{[2-(4-Chlorophenyl)-4-quinolinyl]carbonyl}-1-piperazinecarbaldehyde1144494-85-8C21H18ClN3O2
- 3-[3-(3-Chlorophenyl)-1,2,4-oxadiazol-5-yl]-6-methyl-1-propylquinolin-4(1H)-one1326930-69-1C21H18ClN3O2
- 1-(3-Chlorophenyl)-N-(3-hydroxypropyl)-9H-pyrido[3,4-b]indole-3-carboxamide859130-76-0C21H18ClN3O2
- 6-(4-Chlorophenyl)-2-[2-(3,4-dihydro-2H-quinolin-1-yl)-2-oxoethyl]pyridazin-3-one899752-91-1C21H18ClN3O2
- N-Benzyl-3-{[(4-chlorophenyl)carbamoyl]amino}benzamide774193-35-0C21H18ClN3O2
- 1-(4-Chlorophenyl)-3-(1,3,4,9-tetrahydro-2H-beta-carbolin-2-yl)pyrrolidine-2,5-dione1144450-89-4C21H18ClN3O2
- 3-(6-Chloro-1,3,4,9-tetrahydro-2H-beta-carbolin-2-yl)-1-phenylpyrrolidine-2,5-dione1144430-39-6C21H18ClN3O2
- 6-(2-Chlorophenyl)-2-[2-(3,4-dihydroisoquinolin-2(1H)-yl)-2-oxoethyl]pyridazin-3(2H)-one1246046-05-8C21H18ClN3O2
- 6-(4-Chlorophenyl)-2-(2-(3,4-dihydroisoquinolin-2(1H)-yl)-2-oxoethyl)pyridazin-3(2H)-one1282113-02-3C21H18ClN3O2
- 5-Benzyl-2-(3-chloro-4-ethoxyphenyl)pyrazolo[1,5-a]pyrazin-4(5H)-one1358908-53-8C21H18ClN3O2
- N-[2-(4-Chloro-1H-indol-1-yl)ethyl]-2-methyl-1-oxo-1,2-dihydroisoquinoline-4-carboxamide1324058-20-9C21H18ClN3O2
- N-[2-(6-Chloro-1H-indol-1-yl)ethyl]-2-methyl-1-oxo-1,2-dihydroisoquinoline-4-carboxamide1324062-53-4C21H18ClN3O2
- N-[2-(5-Chloro-1H-indol-3-yl)ethyl]-2-methyl-1-oxo-1,2-dihydroisoquinoline-4-carboxamide1324064-43-8C21H18ClN3O2
- N-[2-(6-Chloro-1H-indol-1-yl)ethyl]-1-methyl-2-oxo-1,2-dihydro-4-quinolinecarboxamide1374548-44-3C21H18ClN3O2
- N-[2-(5-Chloro-1H-indol-3-yl)ethyl]-1-methyl-2-oxo-1,2-dihydro-4-quinolinecarboxamide1374516-91-2C21H18ClN3O2
- Benzoic acid, 4-chloro-2-((2-methylphenyl)amino)-, ((4-hydroxyphenyl)methylene)hydrazide75412-44-1C21H18ClN3O2
- Benzoic acid, 4-chloro-2-((3-methylphenyl)amino)-, ((4-hydroxyphenyl)methylene)hydrazide75412-52-1C21H18ClN3O2
- (8-Chloro-1,3,4,5-tetrahydro-2H-pyrido[4,3-b]indol-2-yl)(4-methoxy-1H-indol-2-yl)methanone1190295-51-2C21H18ClN3O2
- 5-(4-Chlorobenzyl)-2-(4-ethoxyphenyl)pyrazolo[1,5-a]pyrazin-4(5H)-one1359488-15-5C21H18ClN3O2
- 1-Chloro-N-[1-(2-oxo-1,2,3,4-tetrahydroquinolin-6-yl)ethyl]isoquinoline-3-carboxamide1428014-57-6C21H18ClN3O2
- 2-Chloro-8-methyl-N-[3-(2-oxopyrrolidin-1-yl)phenyl]quinoline-3-carboxamide2094249-14-4C21H18ClN3O2
- (2E)-3-(2-Chlorophenyl)-1-[3-(quinoxalin-2-yloxy)pyrrolidin-1-yl]prop-2-en-1-one2097940-58-2C21H18ClN3O2
- Carbanilic acid, o-(9-acridinylamino)-, methyl ester, hydrochloride75775-84-7C21H18ClN3O2
- Propanamide, 2-(3-chlorophenoxy)-N-[4-(2-phenyldiazenyl)phenyl]-560092-61-7C21H18ClN3O2
- Acetamide, 2-(4-chloro-3-methylphenoxy)-N-[4-(2-phenyldiazenyl)phenyl]-875190-56-0C21H18ClN3O2
- Acetamide, 2-(4-chloro-2-methylphenoxy)-N-[4-(2-phenyldiazenyl)phenyl]-346720-71-6C21H18ClN3O2
- 2-Chloro-N-{3-[2-cyano-2-(pyrrolidine-1-carbonyl)eth-1-en-1-yl]phenyl}benzamide474100-60-2C21H18ClN3O2
- N'-(5-(2-Chlorobenzyl)-2-hydroxybenzylidene)-6-methylnicotinohydrazide341989-08-0C21H18ClN3O2
- 5-[2-(4-Chlorophenyl)-2-hydroxyethyl]-2-(2-methylphenyl)pyrazolo[1,5-a]pyrazin-4-one2415628-68-9C21H18ClN3O2
- tert-Butyl N-(6-chloro-3-cyano-4-phenylquinolin-2-yl)carbamate2680712-38-1C21H18ClN3O2
- 1,3-Dibenzyl-5-nitro-1H-benzo[d]imidazol-3-ium chloride27978-96-7C21H18ClN3O2
- 6-Chloro-2-methyl-2-(4-nitrophenyl)-4-phenyl-3,4-dihydro-1H-quinazoline84571-58-4C21H18ClN3O2
Frequently asked questions
What is the molar mass of C21H18ClN3O2?
The molar mass of C21H18ClN3O2 is 379.84 g/mol, calculated from standard atomic weights for 21 carbon atoms, 18 hydrogen atoms, 1 chlorine atom, 3 nitrogen atoms and 2 oxygen atoms. The monoisotopic mass is 379.1088 Da.
How many compounds have the formula C21H18ClN3O2?
CompoundList lists 60 compounds with the molecular formula C21H18ClN3O2, including N-(2-(1H-Indol-1-yl)ethyl)-3-(2-chlorophenyl)-5-methylisoxazole-4-carboxamide, 3-Butyl-10-(4-chlorophenyl)pyrimido[4,5-b]quinoline-2,4(3H,10H)-dione, N-(1-{1-[(2-Chlorophenyl)methyl]-1H-1,3-benzodiazol-2-yl}ethyl)furan-2-carboxamide. 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 C21H18ClN3O2?
C21H18ClN3O2 has a degree of unsaturation of 14. 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.