Molecular formula
C18H21ClN2O
90 compounds have this formula on CompoundList.
- Molar mass
- 316.83g/mol
- Monoisotopic mass
- 316.1342Da
- Atoms
- 43
- Elements
- 5
- Rings plus double bonds
- 9
The formula C18H21ClN2O describes a molecule made of 18 carbon atoms, 21 hydrogen atoms, 1 chlorine atom, 2 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 × 1868.24%12.011 × 18 = 216.198 g/mol
- H Hydrogen × 216.68%1.008 × 21 = 21.168 g/mol
- Cl Chlorine × 111.19%35.45 × 1 = 35.450 g/mol
- N Nitrogen × 28.84%14.007 × 2 = 28.014 g/mol
- O Oxygen × 15.05%15.999 × 1 = 15.999 g/mol
Look up another formula
Compounds with the formula C18H21ClN2O
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 90 of 90 compounds
![2-[(4-Benzylpiperazin-1-yl)methyl]-4-chlorophenol chemical structure, C18H21ClN2O, CAS 415958-99-5](/s/CLNLJBXCSNSBRR-UHFFFAOYSA-N.svg)
2-[(4-Benzylpiperazin-1-yl)methyl]-4-chlorophenol
CAS 415958-99-5C18H21ClN2O
![2-[4-(3-Chlorophenyl)piperazino]-1-phenyl-1-ethanol chemical structure, C18H21ClN2O, CAS 95125-91-0](/s/VPULMRMPHWSSHF-UHFFFAOYSA-N.svg)
2-[4-(3-Chlorophenyl)piperazino]-1-phenyl-1-ethanol
CAS 95125-91-0C18H21ClN2O
![2-[5-(Benzyloxy)-2-methyl-1H-indol-3-yl]ethanamine hydrochloride chemical structure, C18H21ClN2O, CAS 1147199-72-1](/s/FMWOWTNPQWIRQN-UHFFFAOYSA-N.svg)
2-[5-(Benzyloxy)-2-methyl-1H-indol-3-yl]ethanamine hydrochloride
CAS 1147199-72-1C18H21ClN2O
3-(2-(3-Chlorophenyl)ethyl)-N-(1,1-dimethylethyl)-2-pyridinecarboxamide
CAS 107285-30-3C18H21ClN2O
1-(2-Chlorobenzyl)-4-(2-methoxyphenyl)piperazine
CAS 256457-76-8C18H21ClN2O
3-Chloro-N-(4-methylbenzyl)-4-(4-morpholinyl)aniline
CAS 362001-23-8C18H21ClN2O
![2-[4-(2-Chlorophenyl)piperazin-1-yl]-1-phenylethanol chemical structure, C18H21ClN2O, CAS 93994-96-8](/s/PNWMQQKQDQGVLS-UHFFFAOYSA-N.svg)
2-[4-(2-Chlorophenyl)piperazin-1-yl]-1-phenylethanol
CAS 93994-96-8C18H21ClN2O
![2-[(3-Chlorophenyl)methyl-methylamino]-N-(1-phenylethyl)acetamide chemical structure, C18H21ClN2O, CAS 851614-86-3](/s/OFBJAGWIGNWIDQ-UHFFFAOYSA-N.svg)
2-[(3-Chlorophenyl)methyl-methylamino]-N-(1-phenylethyl)acetamide
CAS 851614-86-3C18H21ClN2O
1-(3-Chloro-4-methylphenyl)-1-ethyl-3-(3-ethylphenyl)urea
CAS 76393-52-7C18H21ClN2O
N-Benzyl-N-(tert-butyl)-N'-(3-chlorophenyl)urea
CAS 853318-41-9C18H21ClN2O
1-(4-Chlorobenzyl)-4-(2-methoxyphenyl)piperazine
CAS 210831-38-2C18H21ClN2O
3-Chloro-N-(3-(4-(dimethylamino)phenyl)propyl)benzamide
CAS 953197-15-4C18H21ClN2O
4-Chloro-N-(3-(4-(dimethylamino)phenyl)propyl)benzamide
CAS 953196-55-9C18H21ClN2O
8-Hydroxydemethylclomipramine
CAS 104061-28-1C18H21ClN2O
Benzamide derivative 11
CAS 1327827-70-2C18H21ClN2O
![2-(6-Chloro-5H-imidazo[5,1-a]isoindol-5-yl)-1-cyclohexylethanol chemical structure, C18H21ClN2O, CAS 1402836-51-4](/s/DQZNLVQWAVTPGD-UHFFFAOYSA-N.svg)
2-(6-Chloro-5H-imidazo[5,1-a]isoindol-5-yl)-1-cyclohexylethanol
CAS 1402836-51-4C18H21ClN2O
2-(4-Chlorophenyl)-N-(4-(dimethylamino)phenethyl)acetamide
CAS 953243-48-6C18H21ClN2O
N-Benzyl-N-butyl-N'-(3-chlorophenyl)urea
CAS 88452-22-6C18H21ClN2O
Fantridone hydrochloride anhydrous
CAS 22461-13-8C18H21ClN2O
![2-(4-Chlorophenyl)-N-[4-(diethylamino)phenyl]acetamide chemical structure, C18H21ClN2O, CAS 329043-45-0](/s/QKOGQYGGYGRZBO-UHFFFAOYSA-N.svg)
2-(4-Chlorophenyl)-N-[4-(diethylamino)phenyl]acetamide
CAS 329043-45-0C18H21ClN2O
![N-{[5-(3-Chlorophenyl)furan-2-yl]methyl}-1-azabicyclo[2.2.2]octan-3-amine chemical structure, C18H21ClN2O, CAS 940197-28-4](/s/QJJSFJPIINFRGM-UHFFFAOYSA-N.svg)
N-{[5-(3-Chlorophenyl)furan-2-yl]methyl}-1-azabicyclo[2.2.2]octan-3-amine
CAS 940197-28-4C18H21ClN2O
Piperazine, 1-(2-(p-chlorophenoxy)ethyl)-4-phenyl-
CAS 2032-51-1C18H21ClN2O
![N-(1H-Indol-4-ylmethyl)-N-[2-(4-methoxyphenyl)ethyl]amine hydrochloride chemical structure, C18H21ClN2O, CAS 1185293-52-0](/s/PDCWQLODEBMFLQ-UHFFFAOYSA-N.svg)
N-(1H-Indol-4-ylmethyl)-N-[2-(4-methoxyphenyl)ethyl]amine hydrochloride
CAS 1185293-52-0C18H21ClN2O
![3-[Benzyl(ethyl)amino]-N-(3-chlorophenyl)propanamide chemical structure, C18H21ClN2O, CAS 428844-70-6](/s/NQEGBNHHGHJOKN-UHFFFAOYSA-N.svg)
3-[Benzyl(ethyl)amino]-N-(3-chlorophenyl)propanamide
CAS 428844-70-6C18H21ClN2O
- 2-Ethyl-1-(3-phenoxypropyl)-1H-benzo[d]imidazole hydrochloride1052076-62-6C18H21ClN2O
- 1-(p-Chloro-alpha-phenylbenzyl)-4-methylpiperazine 4-oxide10457-56-4C18H21ClN2O
- 1-(4-Chlorophenyl)-2-(4-phenylpiperazin-1-yl)ethan-1-ol3454-33-9C18H21ClN2O
- 1,3,4,14b-Tetrahydro-2,7-dimethyl-2H-dibenzo(b,f)pyrazino(1,2-d)(1,4)oxazepine monohydrochloride94713-27-6C18H21ClN2O
- 2-Hydroxydemethylclomipramine104061-27-0C18H21ClN2O
- Piperazine, 1-(3-chlorophenyl)-4-(2-phenoxyethyl)-82205-85-4C18H21ClN2O
- 3-Chloro-N-(2-methylbenzyl)-4-(morpholin-4-yl)aniline878714-16-0C18H21ClN2O
- N-{[5-(4-Chlorophenyl)furan-2-yl]methyl}-1-azabicyclo[2.2.2]octan-3-amine940197-20-6C18H21ClN2O
- 2-Methyl-1-(3-(m-tolyloxy)propyl)-1H-benzo[d]imidazole hydrochloride1215810-30-2C18H21ClN2O
- 2-Amino-1-[3,4-dihydro-1(2H)-quinolinyl]-3-phenyl-1-propanone hydrochloride1236258-31-3C18H21ClN2O
- Indole, 3-(2-aminoethyl)-1-benzyl-5-methoxy-, hydrochloride18690-44-3C18H21ClN2O
- Acetamide, 2-(m-chlorophenyl)-N-(2-(dimethylamino)ethyl)-2-phenyl-102585-44-4C18H21ClN2O
- 5H-Dibenzo(a,d)cyclohepta-1,4-diene, 5-(2-methylaminoethyloxyimino)-, hydrochloride13055-76-0C18H21ClN2O
- Piperazine, 1-[(4-chlorophenyl)(4-methoxyphenyl)methyl]-142245-64-5C18H21ClN2O
- N'-(2-Chloroethyl)-N-(1,3-diphenylpropyl)carbamimidic acid102433-47-6C18H21ClN2O
- N,N-Dimethyl-1-(5-phenyl-2,3-dihydro-1,4-benzoxazepin-3-yl)methanamine--hydrogen chloride (1/1)83658-55-3C18H21ClN2O
- N-[3-Chloro-2-(1H-pyrrol-1-yl)benzyl]cyclohexanecarboxamide866042-75-3C18H21ClN2O
- 6-Chloro-N-(2,6-diisopropylphenyl)nicotinamide224817-05-4C18H21ClN2O
- 2-[(4-Methoxyphenyl)methyl]-1-propyl-1H-1,3-benzodiazole hydrochloride1051941-78-6C18H21ClN2O
- 1-(4-(m-Tolyloxy)butyl)-1H-benzo[d]imidazole hydrochloride1052076-76-2C18H21ClN2O
- 2-Chloro-N-(3-(4-(dimethylamino)phenyl)propyl)benzamide953383-60-3C18H21ClN2O
- 1-(5-(Benzyloxy)-1H-indol-3-yl)propan-2-amine hydrochloride1453-99-2C18H21ClN2O
- 2-Pyrrolidinone, 3-phenethylamino-1-phenyl-, hydrochloride6103-42-0C18H21ClN2O
- 1-(2-Chlorophenyl)-4-(2-phenoxyethyl)piperazine2232-02-2C18H21ClN2O
- 3-(2-Butenyl)-1,2,3,3a,4,5-hexahydrocanthin-6-one HCl67877-76-3C18H21ClN2O
- 2-Chloro-N-{1-[4-(2-methylpropyl)phenyl]ethyl}pyridine-4-carboxamide949994-53-0C18H21ClN2O
- 2-Amino-1-[3,4-dihydro-2(1H)-isoquinolinyl]-3-phenyl-1-propanone hydrochloride1236262-17-1C18H21ClN2O
- 4-(4-(N-(4-Chlorophenyl)-N-methylamino)piperidine-1-yl)phenol851702-51-7C18H21ClN2O
- N-(2-Chloro-6-methylquinolin-5-yl)-2-cyclohexylacetamide803736-48-3C18H21ClN2O
- 3-Chloro-N-[4-(diethylamino)-2-methylphenyl]benzamide701973-18-4C18H21ClN2O
- 4-(4-(3-Amino-3-methylbutyl)phenoxy)benzonitrile hydrochloride226989-26-0C18H21ClN2O
- 3-(Dimethylamino)-1-(9-methyl-9H-carbazol-2-yl)propan-1-one--hydrogen chloride (1/1)7470-55-5C18H21ClN2O
- 3-(2-Aminoethyl)-1-benzyl-2-methyl-1H-indol-5-ol--hydrogen chloride (1/1)10231-81-9C18H21ClN2O
- 5-Methyl-2-(3-(piperidin-4-ylidenemethyl)phenoxy)pyridine hydrochloride1020328-78-2C18H21ClN2O
- 6-Chloro-N-(2-cyclohexylethyl)-5-quinolinecarboxamide803736-97-2C18H21ClN2O
- 2-Chloro-N-ethyl-N-(1-phenylbutan-2-yl)pyridine-4-carboxamide1394762-24-3C18H21ClN2O
- 2-[5-(Benzyloxy)-1-methyl-1H-indol-3-yl]ethan-1-amine hydrochloride2521-12-2C18H21ClN2O
- 2,2-Diphenyl-1-(piperazin-1-yl)ethan-1-one hydrochloride1839410-31-9C18H21ClN2O
- 2-Chloro-N-propan-2-yl-N-[(2-pyridin-2-ylphenyl)methyl]propanamide2411298-25-2C18H21ClN2O
- 3-[5-Chloro-2-[[1-(2-methylpropyl)aziridin-2-yl]methoxy]phenyl]pyridine2418669-79-9C18H21ClN2O
- 2H-Indol-2-one, 1,3-dihydro-3-methyl-1-(2-(methylamino)ethyl)-3-phenyl-, monohydrochloride37129-49-0C18H21ClN2O
- 2H-Indol-2-one, 1,3-dihydro-1-(2-(dimethylamino)ethyl)-3-phenyl-, monohydrochloride42773-86-4C18H21ClN2O
- Indole, 3-(2-(4-methoxybenzylamino)ethyl)-, monohydrochloride73816-50-9C18H21ClN2O
- 4-(2-Amino-5-chlorophenyl)-1-benzylpiperidin-4-ol85732-70-3C18H21ClN2O
- N-{[2-(4-Chlorophenoxy)phenyl]methyl}piperidin-3-amine919119-25-8C18H21ClN2O
- 2-Chloro-N-cyclopentyl-N-[(2-methylquinolin-4-yl)methyl]acetamide2411245-61-7C18H21ClN2O
- 1-[1-(4-Chlorophenyl)cyclopropanecarbonyl]-4-(prop-2-yn-1-yl)-1,4-diazepane2394455-92-4C18H21ClN2O
- N-[4-({[2-(3-Chlorophenyl)propyl]amino}methyl)phenyl]acetamide2613381-79-4C18H21ClN2O
- 8-Chloro-2-cyclohexyl-10-methyl-2,3-dihydro-1H-[1,3]oxazino[5,6-f]quinoline41957-94-2C18H21ClN2O
- 4-(Benzyloxy)-2-chloro-6-(4-methylpiperidin-1-yl)pyridine3078464-93-1C18H21ClN2O
- 2-[(7-Chloro-9H-carbazol-2-yl)oxy]-N,N-diethylethan-1-amine61822-14-8C18H21ClN2O
- 1-{2-Oxo-2-[(pent-3-en-2-yl)(phenyl)amino]ethyl}pyridin-1-ium chloride98571-56-3C18H21ClN2O
- (E)-1-(4-Chlorophenyl)-2-[4-(hexyloxy)phenyl]diazene188905-71-7C18H21ClN2O
- 3-Chloro-N-[2-(methylamino)ethyl]-2-(2-phenylethyl)benzamide61321-74-2C18H21ClN2O
- [2-(4-Chlorophenyl)-4-methyl-6-phenylpiperazin-1-yl]methanol83-82-9C18H21ClN2O
- 1-{[2-(4-Chlorophenoxy)phenyl]methyl}piperidin-3-amine919119-27-0C18H21ClN2O
- N~2~-(4-Chlorophenyl)-N-(3-ethylphenyl)-2-methylalaninamide90304-76-0C18H21ClN2O
- 4-(4-Chlorophenyl)-1-[2-(pyridin-2-yl)ethyl]piperidin-4-ol90125-76-1C18H21ClN2O
- 2-Chloro-N-[[2-[4-[(dimethylamino)methyl]phenyl]phenyl]methyl]acetamide2411307-84-9C18H21ClN2O
- 1-[3-Chloro-4-(phenylmethoxy)phenyl]-4-methylPiperazine1059705-66-6C18H21ClN2O
- 4-(2-((2-Methoxyphenethyl)amino)ethyl)benzonitrile hydrochloride2764673-06-3C18H21ClN2O
- 4-(Benzyloxy)-6-chloro-N-cyclohexylpyridin-2-amine3078570-77-8C18H21ClN2O
- 4-(Benzyloxy)-2-chloro-6-(2-methylpiperidin-1-yl)pyridine3078451-24-5C18H21ClN2O
- 4-(Benzyloxy)-2-chloro-6-(3-methylpiperidin-1-yl)pyridine3078561-42-6C18H21ClN2O
- 1,5-Methano-8H-pyrido[1,2-a][1,5]diazocin-8-one, 1,2,3,4,5,6-hexahydro-3-(phenylmethyl)-, hydrochloride (1:1), (1S,5R)-767331-52-2C18H21ClN2O
- (S)-N-(3-Phenylpropyl)indoline-2-carboxamide hydrochloride3078597-11-9C18H21ClN2O
Frequently asked questions
What is the molar mass of C18H21ClN2O?
The molar mass of C18H21ClN2O is 316.83 g/mol, calculated from standard atomic weights for 18 carbon atoms, 21 hydrogen atoms, 1 chlorine atom, 2 nitrogen atoms and 1 oxygen atom. The monoisotopic mass is 316.1342 Da.
How many compounds have the formula C18H21ClN2O?
CompoundList lists 90 compounds with the molecular formula C18H21ClN2O, including 2-[(4-Benzylpiperazin-1-yl)methyl]-4-chlorophenol, 2-[4-(3-Chlorophenyl)piperazino]-1-phenyl-1-ethanol, 2-[5-(Benzyloxy)-2-methyl-1H-indol-3-yl]ethanamine hydrochloride. 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 C18H21ClN2O?
C18H21ClN2O has a degree of unsaturation of 9. 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.