Molecular formula
C18H21ClN2O2
106 compounds have this formula on CompoundList.
- Molar mass
- 332.83g/mol
- Monoisotopic mass
- 332.1292Da
- Atoms
- 44
- Elements
- 5
- Rings plus double bonds
- 9
The formula C18H21ClN2O2 describes a molecule made of 18 carbon atoms, 21 hydrogen atoms, 1 chlorine atom, 2 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 × 1864.96%12.011 × 18 = 216.198 g/mol
- H Hydrogen × 216.36%1.008 × 21 = 21.168 g/mol
- Cl Chlorine × 110.65%35.45 × 1 = 35.450 g/mol
- N Nitrogen × 28.42%14.007 × 2 = 28.014 g/mol
- O Oxygen × 29.61%15.999 × 2 = 31.998 g/mol
Look up another formula
Compounds with the formula C18H21ClN2O2
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 100 of 106 compounds
3-(2-Chlorophenyl)-N-cycloheptyl-5-methyl-1,2-oxazole-4-carboxamide
CAS 301680-72-8C18H21ClN2O2
1H-Indolo(3,2,1-de)(1,5)naphthyridine-6-carboxylic acid, 3-ethyl-2,3,3a,4-tetrahydro-, methyl ester, hydrochloride (1:1)
CAS 119600-43-0C18H21ClN2O2
![[3-(2-Chlorophenyl)-5-methyl-1,2-oxazol-4-yl]-(3,5-dimethylpiperidin-1-yl)methanone chemical structure, C18H21ClN2O2, CAS 312924-74-6](/s/YBMIVNGOUISOMT-UHFFFAOYSA-N.svg)
[3-(2-Chlorophenyl)-5-methyl-1,2-oxazol-4-yl]-(3,5-dimethylpiperidin-1-yl)methanone
CAS 312924-74-6C18H21ClN2O2
(9H-Fluoren-9-yl)methyl N-(3-aminopropyl)carbamate hydrochloride
CAS 210767-37-6C18H21ClN2O2
RS 2135
CAS 133775-36-7C18H21ClN2O2
3-(2-Chlorophenyl)-N-cyclohexyl-N,5-dimethyl-1,2-oxazole-4-carboxamide
CAS 326902-77-6C18H21ClN2O2
3-(Azepan-1-yl)-4-chloro-1-(2,4-dimethylphenyl)pyrrole-2,5-dione
CAS 307528-21-8C18H21ClN2O2
3-(Azepan-1-yl)-4-chloro-1-(4-ethylphenyl)pyrrole-2,5-dione
CAS 385372-98-5C18H21ClN2O2
![1-[4-(Benzyloxy)benzoyl]piperazine hydrochloride chemical structure, C18H21ClN2O2, CAS 906745-06-0](/s/OJAQLFBLEKUFDE-UHFFFAOYSA-N.svg)
1-[4-(Benzyloxy)benzoyl]piperazine hydrochloride
CAS 906745-06-0C18H21ClN2O2
![5-Chloro-N-[4-(diethylamino)phenyl]-2-methoxybenzamide chemical structure, C18H21ClN2O2, CAS 355003-30-4](/s/QLBZWNIWZRCLKC-UHFFFAOYSA-N.svg)
5-Chloro-N-[4-(diethylamino)phenyl]-2-methoxybenzamide
CAS 355003-30-4C18H21ClN2O2
1-(3-(5-(4-Chlorophenyl)-2-furyl)propanoyl)-4-methylpiperazine
CAS 853312-37-5C18H21ClN2O2
![2-(4-Chlorophenoxy)-N-[4-(dimethylamino)phenyl]-2-methylpropanamide chemical structure, C18H21ClN2O2, CAS 61887-34-1](/s/VKHDVLDKLLYIBO-UHFFFAOYSA-N.svg)
2-(4-Chlorophenoxy)-N-[4-(dimethylamino)phenyl]-2-methylpropanamide
CAS 61887-34-1C18H21ClN2O2
2-Chloro-N-((1-(furan-2-ylmethyl)piperidin-4-yl)methyl)benzamide
CAS 954078-93-4C18H21ClN2O2
![4-(4-Chlorophenoxy)-N-[4-(dimethylamino)phenyl]butanamide chemical structure, C18H21ClN2O2, CAS 453587-26-3](/s/WGOUWWXKAPEGFC-UHFFFAOYSA-N.svg)
4-(4-Chlorophenoxy)-N-[4-(dimethylamino)phenyl]butanamide
CAS 453587-26-3C18H21ClN2O2
TgENR-IN-1
CAS 1428626-91-8C18H21ClN2O2
4-Chloro-N-((1-(furan-2-ylmethyl)piperidin-4-yl)methyl)benzamide
CAS 953996-45-7C18H21ClN2O2
2-(4-Chlorophenoxy)-N-(4-(dimethylamino)phenethyl)acetamide
CAS 952966-50-6C18H21ClN2O2
2-(2,3-Dimethoxyphenyl)-2-(1H-indol-3-yl)ethanamine hydrochloride
CAS 95426-77-0C18H21ClN2O2
N1-Fmoc-N2-methyl-1,2-ethandiamine HCl
CAS 229028-44-8C18H21ClN2O2
![[3-(2-Chlorophenyl)-5-methyl-1,2-oxazol-4-yl]-(2,6-dimethylpiperidin-1-yl)methanone chemical structure, C18H21ClN2O2, CAS 312952-09-3](/s/OVSIHFXJPAGPAX-UHFFFAOYSA-N.svg)
[3-(2-Chlorophenyl)-5-methyl-1,2-oxazol-4-yl]-(2,6-dimethylpiperidin-1-yl)methanone
CAS 312952-09-3C18H21ClN2O2
![Piperidin-4-yl [1,1'-biphenyl]-2-ylcarbamate hydrochloride chemical structure, C18H21ClN2O2, CAS 1205552-76-6](/s/BVSOMVNDTVNKOX-UHFFFAOYSA-N.svg)
Piperidin-4-yl [1,1'-biphenyl]-2-ylcarbamate hydrochloride
CAS 1205552-76-6C18H21ClN2O2
2-Chloro-N,N'-bis-(4-ethoxy-phenyl)-acetamidine
CAS 40403-45-0C18H21ClN2O2
SN40 (hydrochloride)
CAS 2768663-15-4C18H21ClN2O2
(E)-1-(4-Benzylpiperazin-1-yl)-3-(furan-2-yl)prop-2-en-1-one hydrochloride
CAS 266674-31-1C18H21ClN2O2
- Naphthalimide, N-(2-(diethylamino)ethyl)-, hydrochloride94887-58-8C18H21ClN2O2
- 2-(4-Chloro-3,5-dimethylphenoxy)-N-[4-(dimethylamino)phenyl]acetamide304672-24-0C18H21ClN2O2
- 3-Chloro-4-(cyclohexylamino)-1-(4-ethylphenyl)pyrrole-2,5-dione431891-97-3C18H21ClN2O2
- 1H-Benzimidazole-2-methanol, alpha-(4-methoxyphenyl)-1-propyl-, monohydrochloride50820-91-2C18H21ClN2O2
- 2-(4-Chloro-3-methylphenoxy)-N-[4-(dimethylamino)phenyl]propanamide492428-42-9C18H21ClN2O2
- 3-Chloro-N-(4-methoxybenzyl)-4-(morpholin-4-yl)aniline878714-06-8C18H21ClN2O2
- N-(5-Chloro-2-methoxybenzyl)-4-(morpholin-4-yl)aniline878714-29-5C18H21ClN2O2
- 2-Chloro-N-[2-(furan-2-yl)-2-(piperidin-1-yl)ethyl]benzamide875302-21-9C18H21ClN2O2
- 3-(4-Chlorobutyl)-1-(tert-butyloxycarbonyl)indole-5-carbonitrile1796928-27-2C18H21ClN2O2
- (S)-2-N-Fmoc-propane-1,2-diamine HCl1172596-47-2C18H21ClN2O2
- (9H-Fluoren-9-yl)methyl (R)-(1-aminopropan-2-yl)carbamate hydrochloride333743-52-5C18H21ClN2O2
- Phthalimide, N-(6-(1-pyrrolidinyl)-4-hexynyl)-, monohydrochloride14053-17-9C18H21ClN2O2
- 1-(1H-Indol-1-yl)-3-((4-methoxyphenyl)amino)propan-2-ol hydrochloride1052407-57-4C18H21ClN2O2
- 3-[Benzyl(2-hydroxyethyl)amino]-N-(2-chlorophenyl)propanamide461401-54-7C18H21ClN2O2
- N-Benzyl-N-butyl-N'-(3-chloro-2-hydroxyphenyl)urea88452-24-8C18H21ClN2O2
- 2-(Methoxymethyl)-1-(3-phenoxypropyl)-1H-benzo[d]imidazole hydrochloride1052076-54-6C18H21ClN2O2
- 2-Chloro-N-cyclohexyl-N-[(2-oxo-1H-quinolin-4-yl)methyl]acetamide917562-17-5C18H21ClN2O2
- 2-(4-Methoxybenzyl)-1-(2-methoxyethyl)-1H-benzo[d]imidazole hydrochloride1215660-16-4C18H21ClN2O2
- 1-(2-Chlorophenyl)-3-(2-methoxy-2-phenylbutyl)urea1797025-56-9C18H21ClN2O2
- 2-[5-Methoxy-2-(4-methoxyphenyl)-1H-indol-3-yl]ethan-1-amine hydrochloride1552163-47-9C18H21ClN2O2
- 1-(2-Chlorophenyl)-3-(5-hydroxy-3-phenylpentyl)urea1795301-96-0C18H21ClN2O2
- N-(4-Methylbenzyl)-2,3,4,5-tetrahydrobenzo[f][1,4]oxazepine-7-carboxamide hydrochloride2309348-11-4C18H21ClN2O2
- 5-Chloro-N-(4-(dimethylamino)phenethyl)-2-methoxybenzamide953169-84-1C18H21ClN2O2
- 2-N-Fmoc-propane-1,2-diamine HCl948888-10-6C18H21ClN2O2
- 2H-Pyrido(3,2-b)-1,4-oxazin-3(4H)-one, 4-(1-phenylethyl)-2-propyl-, monohydrochloride88799-60-4C18H21ClN2O2
- 2H-Pyrido(3,2-b)-1,4-oxazin-3(4H)-one, 4-(2-phenylethyl)-2-propyl-, monohydrochloride88799-59-1C18H21ClN2O2
- 1-(4-Chlorobenzyl)-N-(furan-2-ylmethyl)piperidine-4-carboxamide429633-59-0C18H21ClN2O2
- N-(8-Chloro-3,4-dihydro-2H-1-benzopyran-4-yl)-1-(prop-2-yn-1-yl)piperidine-2-carboxamide1280783-65-4C18H21ClN2O2
- N-(8-Chloro-3,4-dihydro-2H-1-benzopyran-4-yl)-1-(prop-2-yn-1-yl)piperidine-4-carboxamide1281154-30-0C18H21ClN2O2
- 2-(2-Chlorophenyl)-N-{2-[4-(dimethylamino)phenyl]-2-hydroxyethyl}acetamide1421498-35-2C18H21ClN2O2
- 4-Acetyl-N-[(5-chloro-2-methylphenyl)methyl]-3-ethyl-5-methyl-1H-pyrrole-2-carboxamide1797582-48-9C18H21ClN2O2
- 1-(2-(2-Chlorophenyl)-2-methoxyethyl)-3-(3,4-dimethylphenyl)urea1795479-02-5C18H21ClN2O2
- Ethyl 4-(3-(2-chloropyrimidin-5-yl)-2-ethylphenyl)butanoate1334607-78-1C18H21ClN2O2
- 2-Chloro-3-[3-(ethoxymethyl)pyrrolidine-1-carbonyl]-8-methylquinoline2094277-82-2C18H21ClN2O2
- 9H-Fluoren-9-ylmethyl N-[(2R)-2-aminopropyl]carbamate, hydrochloride1245656-03-4C18H21ClN2O2
- 9H-Fluoren-9-ylmethyl N-[(2S)-2-aminopropyl]carbamate, hydrochloride1245656-04-5C18H21ClN2O2
- 3-[Benzyl(2-hydroxyethyl)amino]-N-(3-chlorophenyl)propanamide428832-68-2C18H21ClN2O2
- 2-Chloro-N,N-dimethyl-12H-dibenzo[d,g][1,3,6]dioxazocine-12-propanamine70133-81-2C18H21ClN2O2
- 1-(3-Chlorobenzyl)-N-(furan-2-ylmethyl)piperidine-4-carboxamide1043689-67-3C18H21ClN2O2
- 1-(2-Chlorobenzyl)-N-(furan-2-ylmethyl)piperidine-4-carboxamide1089340-23-7C18H21ClN2O2
- N-[2-(4-tert-Butylphenoxy)ethyl]-2-chloropyridine-3-carboxamide1147510-52-8C18H21ClN2O2
- N-[2-(4-tert-Butylphenoxy)ethyl]-2-chloropyridine-4-carboxamide1147386-53-5C18H21ClN2O2
- 1-(4-Chlorobenzyl)-3-(2-methoxy-2-(o-tolyl)ethyl)urea1797281-46-9C18H21ClN2O2
- N-[2-(2-Chlorophenyl)-2-methoxyethyl]-3-(dimethylamino)benzamide1795455-39-8C18H21ClN2O2
- 1-(2-(3-Chlorophenyl)-2-methoxypropyl)-3-(o-tolyl)urea1788560-11-1C18H21ClN2O2
- 2-(6-Chloro-3-methylpyridin-2-yl)-N,N-diethyl-4-methoxybenzamide958219-60-8C18H21ClN2O2
- 4-(Benzyloxy)-N-(pyrrolidin-3-yl)benzamide hydrochloride2033248-74-5C18H21ClN2O2
- 3-(Benzyloxy)-N-(pyrrolidin-3-yl)benzamide hydrochloride1838082-80-6C18H21ClN2O2
- [(3R,3aS,6aR)-3,3a,4,5,6,6a-Hexahydro-1H-cyclopenta[c]furan-3-yl]-[4-(6-chloro-3-pyridinyl)-3,6-dihydro-2H-pyridin-1-yl]methanone2248229-32-3C18H21ClN2O2
- N-(6-Chloro-2,3-dihydro-1H-inden-1-yl)-1-(prop-2-enoyl)piperidine-4-carboxamide2361714-97-6C18H21ClN2O2
- 1-N-Fmoc-propane-1,2-diamine HCl2161565-06-4C18H21ClN2O2
- 2H-Indol-2-one, 1,3-dihydro-3-methoxy-1-(2-(methylamino)ethyl)-3-phenyl-, monohydrochloride42773-56-8C18H21ClN2O2
- 4-(3-{[2-(3-Chlorophenyl)-2-hydroxyethyl]amino}propyl)benzamide88961-52-8C18H21ClN2O2
- N-(3-Amino-4-chlorophenyl)-2-(2-isopropyl-5-methylphenoxy)acetamide1020054-45-8C18H21ClN2O2
- N-(3-Amino-4-chlorophenyl)-4-(pentyloxy)benzamide1020055-46-2C18H21ClN2O2
- N-(3-Amino-4-chlorophenyl)-2-(isopentyloxy)-benzamide1020055-34-8C18H21ClN2O2
- N-(3-Amino-4-chlorophenyl)-2-[4-(tert-butyl)-phenoxy]acetamide1020055-38-2C18H21ClN2O2
- N-(3-Amino-4-chlorophenyl)-4-(isopentyloxy)-benzamide1020055-54-2C18H21ClN2O2
- N-(3-Amino-4-chlorophenyl)-3-(isopentyloxy)-benzamide1020055-98-4C18H21ClN2O2
- N-(3-Amino-4-chlorophenyl)-2-[2-(tert-butyl)-phenoxy]acetamide1020056-13-6C18H21ClN2O2
- N-(3-Amino-4-chlorophenyl)-2-[2-(sec-butyl)-phenoxy]acetamide1020058-22-3C18H21ClN2O2
- N-(3-Amino-4-chlorophenyl)-2-(4-isopropylphenoxy)-propanamide1020055-74-6C18H21ClN2O2
- tert-Butyl (3-chloro-2-methylphenyl)(4-methylpyridin-2-yl)carbamate1260785-40-7C18H21ClN2O2
- 1-[3-(Benzyloxy)benzoyl]piperazine hcl1008774-28-4C18H21ClN2O2
- 1-(8-Chloro-2-quinolinyl)-3,3-dimethyl-4-piperidinecarboxylic acid methyl ester1918996-50-5C18H21ClN2O2
- 5-((6-Chloro-1,2,3,4-tetrahydroacridin-9-yl)amino)pentanoic acid2375205-12-0C18H21ClN2O2
- tert-Butyl {3-[2-(4-chlorophenyl)ethyl]pyridin-2-yl}carbamate1260771-45-6C18H21ClN2O2
- N-[(2-Chloro-6-methoxy-3-quinolinyl)methyl]-N-cyclopentylacetamide606102-59-4C18H21ClN2O2
- N'-{4-[(1-Chloro-1-phenylpropan-2-yl)oxy]phenyl}-N,N-dimethylurea88971-69-1C18H21ClN2O2
- N'-{3-[(1-Chloro-1-phenylpropan-2-yl)oxy]phenyl}-N,N-dimethylurea88971-77-1C18H21ClN2O2
- N'-{3-[2-Chloro-2-(4-methylphenyl)ethoxy]phenyl}-N,N-dimethylurea88971-78-2C18H21ClN2O2
- N'-{4-[3-(4-Chlorophenyl)propyl]phenyl}-N-methoxy-N-methylurea88132-38-1C18H21ClN2O2
- 1-(4-Chlorophenoxy)-4-(1H-imidazol-1-yl)-2,2-dimethylhept-4-en-3-one90240-53-2C18H21ClN2O2
- tert-Butyl 1-(4-chloropyridin-2-yl)-2-phenylethylcarbamate942318-13-0C18H21ClN2O2
- 7-Chloro-1-cyclopentyl-3-(1-ethoxyethenyl)-4-methyl-1,6-naphthyridin-2-one1841420-43-6C18H21ClN2O2
- 1-[(4-Chlorophenyl)methyl]-4-(cyclohexylmethyl)-1,2,3,4-tetrahydropyrazine-2,3-dione2640896-43-9C18H21ClN2O2
Frequently asked questions
What is the molar mass of C18H21ClN2O2?
The molar mass of C18H21ClN2O2 is 332.83 g/mol, calculated from standard atomic weights for 18 carbon atoms, 21 hydrogen atoms, 1 chlorine atom, 2 nitrogen atoms and 2 oxygen atoms. The monoisotopic mass is 332.1292 Da.
How many compounds have the formula C18H21ClN2O2?
CompoundList lists 106 compounds with the molecular formula C18H21ClN2O2, including 3-(2-Chlorophenyl)-N-cycloheptyl-5-methyl-1,2-oxazole-4-carboxamide, 1H-Indolo(3,2,1-de)(1,5)naphthyridine-6-carboxylic acid, 3-ethyl-2,3,3a,4-tetrahydro-, methyl ester, hydrochloride (1:1), [3-(2-Chlorophenyl)-5-methyl-1,2-oxazol-4-yl]-(3,5-dimethylpiperidin-1-yl)methanone. 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 C18H21ClN2O2?
C18H21ClN2O2 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.