C21H18ClN3O
52 compounds have this formula on CompoundList.
- Molar mass
- 363.85g/mol
- Monoisotopic mass
- 363.1138Da
- Atoms
- 44
- Elements
- 5
- Rings plus double bonds
- 14
The formula C21H18ClN3O describes a molecule made of 21 carbon atoms, 18 hydrogen atoms, 1 chlorine atom, 3 nitrogen atoms and 1 oxygen atom. 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 × 2169.32%12.011 × 21 = 252.231 g/mol
- H Hydrogen × 184.99%1.008 × 18 = 18.144 g/mol
- Cl Chlorine × 19.74%35.45 × 1 = 35.450 g/mol
- N Nitrogen × 311.55%14.007 × 3 = 42.021 g/mol
- O Oxygen × 14.40%15.999 × 1 = 15.999 g/mol
Compounds with the formula C21H18ClN3O
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 52 of 52 compounds
![1-(5-Chloro-2-methylphenyl)-4-(1-(prop-2-yn-1-yl)-1H-benzo[d]imidazol-2-yl)pyrrolidin-2-one chemical structure, C21H18ClN3O, CAS 862828-13-5](/s/MMYKOMFQHHQVRN-UHFFFAOYSA-N.svg)
![1-(3-Chloro-2-methylphenyl)-4-(1-(prop-2-yn-1-yl)-1H-benzo[d]imidazol-2-yl)pyrrolidin-2-one chemical structure, C21H18ClN3O, CAS 847394-56-3](/s/JCIBGSSFUSPPBR-UHFFFAOYSA-N.svg)
![N-[(4-Chlorophenyl)methyl]-1-(4-methoxyphenyl)benzimidazol-5-amine chemical structure, C21H18ClN3O, CAS 380307-47-1](/s/WZZXYDZGTLLJGD-UHFFFAOYSA-N.svg)
![5-[(4-Chlorophenyl)methyl]-2-(4-ethylphenyl)-4H,5H-pyrazolo[1,5-a]pyrazin-4-one chemical structure, C21H18ClN3O, CAS 1040675-40-8](/s/JPLQSOCUVFSPIF-UHFFFAOYSA-N.svg)
![5-[(4-Chlorophenyl)methyl]-2-(3,4-dimethylphenyl)-4H,5H-pyrazolo[1,5-a]pyrazin-4-one chemical structure, C21H18ClN3O, CAS 1040673-90-2](/s/JVLRSOMHBJVGEV-UHFFFAOYSA-N.svg)
![1'-Allyl-6-chloro-2,3,4,9-tetrahydrospiro[beta-carboline-1,3'-indol]-2'(1'H)-one chemical structure, C21H18ClN3O, CAS 921075-86-7](/s/RBJBABBSMWIVDR-UHFFFAOYSA-N.svg)
![2-(4-Chlorophenyl)-1-[(3,5-dimethylbenzyl)oxy]-1H-imidazo[4,5-b]pyridine chemical structure, C21H18ClN3O, CAS 339010-06-9](/s/ATSHOEYGHPQANA-UHFFFAOYSA-N.svg)
![5-[1-(4-Chlorobenzyl)-5,6-dimethyl-1H-1,3-benzimidazol-2-yl]-2(1H)-pyridinone chemical structure, C21H18ClN3O, CAS 400077-29-4](/s/FPQFYFLXVBWWKB-UHFFFAOYSA-N.svg)
![1-(2-Chlorophenyl)-2-naphthalen-1-yl-1,5,6,7-tetrahydropyrazolo[1,2-a][1,2,4]triazol-3-one chemical structure, C21H18ClN3O, CAS 499110-87-1](/s/GAMQBOPSALYWFG-UHFFFAOYSA-N.svg)
![3-[1-(4-Chlorobenzyl)-5,6-dimethyl-1H-1,3-benzimidazol-2-yl]-2(1H)-pyridinone chemical structure, C21H18ClN3O, CAS 860784-70-9](/s/OFHWHYOJVZAJKT-UHFFFAOYSA-N.svg)
![2-(4-Chlorophenyl)-5-(2,4-dimethylbenzyl)pyrazolo[1,5-a]pyrazin-4(5H)-one chemical structure, C21H18ClN3O, CAS 941923-99-5](/s/ZSYBNPXEXHKNFB-UHFFFAOYSA-N.svg)
![3-[1-(2-Chlorobenzyl)-5,6-dimethyl-1H-1,3-benzimidazol-2-yl]-2(1H)-pyridinone chemical structure, C21H18ClN3O, CAS 860787-63-9](/s/HUUIPGXNZYFVDC-UHFFFAOYSA-N.svg)
![3-[1-(3-Chlorobenzyl)-5,6-dimethyl-1H-1,3-benzimidazol-2-yl]-2(1H)-pyridinone chemical structure, C21H18ClN3O, CAS 860784-71-0](/s/ZIQCBDSGXQHIRO-UHFFFAOYSA-N.svg)
![1-[3-(2-Chloro-7-methylquinolin-3-yl)-5-phenyl-3,4-dihydropyrazol-2-yl]ethanone chemical structure, C21H18ClN3O, CAS 392248-81-6](/s/GIJICNYKDQHEOC-UHFFFAOYSA-N.svg)
![(8-Chloro-1,3,4,5-tetrahydro-2H-pyrido[4,3-b]indol-2-yl)(1-methyl-1H-indol-2-yl)methanone chemical structure, C21H18ClN3O, CAS 1324059-62-2](/s/JHLDRAXMSQLVTG-UHFFFAOYSA-N.svg)
![2-(6-Chloro-1H-indol-1-yl)-1-(1,3,4,5-tetrahydro-2H-pyrido[4,3-b]indol-2-yl)ethanone chemical structure, C21H18ClN3O, CAS 1351701-37-5](/s/YDDPEYNZQCWVRZ-UHFFFAOYSA-N.svg)
![1-(8-Chloro-1,3,4,5-tetrahydro-2H-pyrido[4,3-b]indol-2-yl)-2-(1H-indol-1-yl)ethanone chemical structure, C21H18ClN3O, CAS 1351689-58-1](/s/KYEOKOAXCCAWAM-UHFFFAOYSA-N.svg)
![2-(4-Chloro-1H-indol-1-yl)-1-(1,3,4,5-tetrahydro-2H-pyrido[4,3-b]indol-2-yl)ethanone chemical structure, C21H18ClN3O, CAS 1351683-59-4](/s/FYXHFBXMLSPJBV-UHFFFAOYSA-N.svg)
- N-Allyl-5,6-diphenylfuro[2,3-d]pyrimidin-4-amine hydrochloride1216541-67-1C21H18ClN3O
- 5-[(2-Chlorophenyl)methyl]-2-(3,4-dimethylphenyl)-4H,5H-pyrazolo[1,5-a]pyrazin-4-one1040673-34-4C21H18ClN3O
- 6-Chloro-N-[2-(3,4-dihydro-1H-isoquinolin-2-yl)phenyl]pyridine-3-carboxamide1119236-35-9C21H18ClN3O
- (E)-3-(2-Chlorophenyl)-N-(2-phenyl-2,4,5,6-tetrahydrocyclopenta[c]pyrazol-3-yl)acrylamide1211904-87-8C21H18ClN3O
- (8-Chloro-1,3,4,5-tetrahydro-2H-pyrido[4,3-b]indol-2-yl)(1-methyl-1H-indol-5-yl)methanone1324068-75-8C21H18ClN3O
- (8-Chloro-1,3,4,5-tetrahydro-2H-pyrido[4,3-b]indol-2-yl)(1-methyl-1H-indol-6-yl)methanone1324072-60-7C21H18ClN3O
- (6-Chloro-1-methyl-1H-indol-2-yl)(1,3,4,9-tetrahydro-2H-beta-carbolin-2-yl)methanone1630870-40-4C21H18ClN3O
- (E)-3-(2-Chlorophenyl)-N-(2-(2-phenylpyrimidin-5-yl)ethyl)acrylamide2035001-92-2C21H18ClN3O
- Carpro-AM12499489-76-6C21H18ClN3O
- 2-(1-Benzyl-pyrazol-4-yl)-4-chloro-7-methoxy-8-methyl-quinoline1108659-72-8C21H18ClN3O
- Acetanilide, 2'-(9-acridinylamino)-, hydrochloride75775-85-8C21H18ClN3O
- Benzamide, 4-chloro-N-[3-methyl-4-[2-(2-methylphenyl)diazenyl]phenyl]-332414-43-4C21H18ClN3O
- Benzamide, 2-chloro-N-[2-methyl-4-[2-(2-methylphenyl)diazenyl]phenyl]-288312-22-1C21H18ClN3O
- Benzenepropanamide, 2-chloro-N-[4-(2-phenyldiazenyl)phenyl]-940215-14-5C21H18ClN3O
- Benzamide, 2-chloro-N-[3-methyl-4-[2-(2-methylphenyl)diazenyl]phenyl]-886135-42-8C21H18ClN3O
- [5-(2-Propynylamino)-9H-benzo[a]phenoxazin-9-ylidene]dimethylammonium chloride1172582-42-1C21H18ClN3O
- 2-[1-[6-(2-Chlorophenyl)-2-pyridyl]benzimidazol-5-yl]propan-2-ol1227253-88-4C21H18ClN3O
- N-(6-Chloro-2,3,4,9-tetrahydro-1H-carbazol-1-yl)-1H-indole-5-carboxamide1574464-48-4C21H18ClN3O
- N-(6-Chloro-2,3,4,9-tetrahydro-1H-carbazol-1-yl)-1H-indole-3-carboxamide1574398-33-6C21H18ClN3O
- N-(6-Chloro-2,3,4,9-tetrahydro-1H-carbazol-1-yl)-1H-indole-4-carboxamide1574477-37-4C21H18ClN3O
- N-(8-Chloro-2,3,4,9-tetrahydro-1H-carbazol-1-yl)-1H-indole-3-carboxamide1574319-97-3C21H18ClN3O
- Phenol, 4-(chloromethyl)-2-[[[4-[2-(4-methylphenyl)diazenyl]phenyl]imino]methyl]-300708-38-7C21H18ClN3O
- N-Benzyl-6-chloro-2-(2-methoxyphenyl)imidazo[1,2-a]pyridin-3-amine5927-63-9C21H18ClN3O
- 2-(Chloromethyl)-5,6-bis(4-methylphenyl)furo[2,3-d]pyrimidin-4-amine1000933-73-2C21H18ClN3O
- 1-(6-Chloro-3-formyl-1H-indol-1-yl)-4-phenylpiperidine-4-carbonitrile923295-32-3C21H18ClN3O
- N-(8-Chloro-2,3,4,9-tetrahydro-1H-carbazol-1-yl)-1H-indole-4-carboxamide1574320-48-1C21H18ClN3O
- N-(8-Chloro-2,3,4,9-tetrahydro-1H-carbazol-1-yl)-1H-indole-6-carboxamide1574492-50-4C21H18ClN3O
- N-(6-Chloro-2,3,4,9-tetrahydro-1H-carbazol-1-yl)-1H-indole-6-carboxamide1574473-08-7C21H18ClN3O
Frequently asked questions
What is the molar mass of C21H18ClN3O?
The molar mass of C21H18ClN3O is 363.85 g/mol, calculated from standard atomic weights for 21 carbon atoms, 18 hydrogen atoms, 1 chlorine atom, 3 nitrogen atoms and 1 oxygen atom. The monoisotopic mass is 363.1138 Da.
How many compounds have the formula C21H18ClN3O?
CompoundList lists 52 compounds with the molecular formula C21H18ClN3O, including N-(1-Benzyl-3-cyano-4,5-dimethyl-1H-pyrrol-2-yl)-3-chlorobenzenecarboxamide, 4-Chloro-N-(2-methyl-4-((2-methylphenyl)diazenyl)phenyl)benzamide, 3-(5-(4-Chlorobenzylidene)-3-(4-methylphenyl)-6-oxo-5,6-dihydro-1(4H)-pyridazinyl)propanenitrile. 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 C21H18ClN3O?
C21H18ClN3O 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.