Molecular formula
C18H21ClN2O4
50 compounds have this formula on CompoundList.
- Molar mass
- 364.83g/mol
- Monoisotopic mass
- 364.1190Da
- Atoms
- 46
- Elements
- 5
- Rings plus double bonds
- 9
The formula C18H21ClN2O4 describes a molecule made of 18 carbon atoms, 21 hydrogen atoms, 1 chlorine atom, 2 nitrogen atoms and 4 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 × 1859.26%12.011 × 18 = 216.198 g/mol
- H Hydrogen × 215.80%1.008 × 21 = 21.168 g/mol
- Cl Chlorine × 19.72%35.45 × 1 = 35.450 g/mol
- N Nitrogen × 27.68%14.007 × 2 = 28.014 g/mol
- O Oxygen × 417.54%15.999 × 4 = 63.996 g/mol
Look up another formula
Compounds with the formula C18H21ClN2O4
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 50 of 50 compounds
![Ethyl 1-[1-(3-chlorophenyl)-2,5-dioxopyrrolidin-3-yl]piperidine-4-carboxylate chemical structure, C18H21ClN2O4, CAS 5660-63-9](/s/OGSWMJVNYIBTFE-UHFFFAOYSA-N.svg)
Ethyl 1-[1-(3-chlorophenyl)-2,5-dioxopyrrolidin-3-yl]piperidine-4-carboxylate
CAS 5660-63-9C18H21ClN2O4
Magl-IN-4
CAS 2135785-20-3C18H21ClN2O4
Pde7-IN-3
CAS 908570-13-8C18H21ClN2O4
7H-Furo(3,2-g)(1)benzopyran-7-one, 9-methoxy-4-((4-methyl-1-piperazinyl)methyl)-, monohydrochloride
CAS 96616-51-2C18H21ClN2O4
![Ethyl 4-[(6-chloro-7-methyl-2-oxo-2H-chromen-4-yl)methyl]piperazine-1-carboxylate chemical structure, C18H21ClN2O4, CAS 849136-24-9](/s/SJEQGMRUSCFMDA-UHFFFAOYSA-N.svg)
Ethyl 4-[(6-chloro-7-methyl-2-oxo-2H-chromen-4-yl)methyl]piperazine-1-carboxylate
CAS 849136-24-9C18H21ClN2O4
![Ethyl 1-[1-(4-chlorophenyl)-2,5-dioxopyrrolidin-3-yl]piperidine-4-carboxylate chemical structure, C18H21ClN2O4, CAS 331759-71-8](/s/INADWXYBUDSLDY-UHFFFAOYSA-N.svg)
Ethyl 1-[1-(4-chlorophenyl)-2,5-dioxopyrrolidin-3-yl]piperidine-4-carboxylate
CAS 331759-71-8C18H21ClN2O4
2,2-Dimethyl-propionic acid 4-chloro-7-(2,2-dimethyl-propionyloxy)-quinazolin-6-yl ester
CAS 1145671-34-6C18H21ClN2O4
![6-({2-[(4-Chlorophenyl)acetyl]hydrazinyl}carbonyl)-3,4-dimethylcyclohex-3-ene-1-carboxylic acid chemical structure, C18H21ClN2O4, CAS 438199-48-5](/s/BPHFIJKSTXWYFH-UHFFFAOYSA-N.svg)
6-({2-[(4-Chlorophenyl)acetyl]hydrazinyl}carbonyl)-3,4-dimethylcyclohex-3-ene-1-carboxylic acid
CAS 438199-48-5C18H21ClN2O4
2-(4-Chlorophenoxy)-N-(2-(furan-2-yl)-2-morpholinoethyl)acetamide
CAS 887213-81-2C18H21ClN2O4
![2-[(Pyridin-3-yl)formamido]ethyl 2-(2,6-dimethylphenoxy)acetate hydrochloride chemical structure, C18H21ClN2O4, CAS 1179408-71-9](/s/VZNHICDKQLIYJY-UHFFFAOYSA-N.svg)
2-[(Pyridin-3-yl)formamido]ethyl 2-(2,6-dimethylphenoxy)acetate hydrochloride
CAS 1179408-71-9C18H21ClN2O4
Salicylic acid, 4-(3-(benzylamino)propionamido)-, methyl ester, monohydrochloride
CAS 14034-35-6C18H21ClN2O4
Salicylic acid, 4-(2-(benzylamino)acetamido)-, ethyl ester, monohydrochloride
CAS 14102-41-1C18H21ClN2O4
2-(Isonicotinamido)ethyl 2-(4-ethylphenoxy)acetate hydrochloride
CAS 474262-36-7C18H21ClN2O4
Urea, N-(2-(4-chlorophenyl)ethyl)-N-(3,4,5-trimethoxyphenyl)-
CAS 68061-11-0C18H21ClN2O4
![2-(2-Chloro-4-{[(2-hydroxy-2-phenylethyl)amino]methyl}-6-methoxyphenoxy)acetamide chemical structure, C18H21ClN2O4, CAS 880069-68-1](/s/NGLCHEPALNJYFG-UHFFFAOYSA-N.svg)
2-(2-Chloro-4-{[(2-hydroxy-2-phenylethyl)amino]methyl}-6-methoxyphenoxy)acetamide
CAS 880069-68-1C18H21ClN2O4
![Ethyl 1-[1-(3-chlorophenyl)-2,5-dioxopyrrolidin-3-yl]piperidine-3-carboxylate chemical structure, C18H21ClN2O4, CAS 895358-48-2](/s/UTJOECJLQARVSW-UHFFFAOYSA-N.svg)
Ethyl 1-[1-(3-chlorophenyl)-2,5-dioxopyrrolidin-3-yl]piperidine-3-carboxylate
CAS 895358-48-2C18H21ClN2O4
N1-(3-chloro-2-methylphenyl)-N2-(3-(2,5-dimethylfuran-3-yl)-3-hydroxypropyl)oxalamide
CAS 1421483-89-7C18H21ClN2O4
N1-(2-chlorobenzyl)-N2-(3-(2,5-dimethylfuran-3-yl)-3-hydroxypropyl)oxalamide
CAS 1421522-40-8C18H21ClN2O4
3-Diethylaminoacetylamido-4'-methylpsoralen hydrochloride
CAS 79418-49-8C18H21ClN2O4
![2-Chloro-N-{1-[3-methoxy-4-(2-methoxyethoxy)phenyl]ethyl}pyridine-4-carboxamide chemical structure, C18H21ClN2O4, CAS 1223171-35-4](/s/WRKQTSAXZUQGPP-UHFFFAOYSA-N.svg)
2-Chloro-N-{1-[3-methoxy-4-(2-methoxyethoxy)phenyl]ethyl}pyridine-4-carboxamide
CAS 1223171-35-4C18H21ClN2O4
1-(5-Chloro-2-methoxyphenyl)-3-(2-methoxy-2-(2-methoxyphenyl)ethyl)urea
CAS 1705274-99-2C18H21ClN2O4
Ethyl 1-(1-(4-chlorophenyl)-2,5-dioxopyrrolidin-3-yl)piperidine-3-carboxylate
CAS 443328-25-4C18H21ClN2O4
4a,10-(Iminoethano)-4aH-(1)benzopyrano(3,2-c)pyridine-11-carboxylic acid, 1,2,3,4,10,10a-hexahydro-8-chloro-2-methyl-12-oxo-, ethyl ester
CAS 70384-95-1C18H21ClN2O4
![[(1-Cyanocyclopentyl)carbamoyl]methyl 2-(4-chlorophenoxy)-2-methylpropanoate chemical structure, C18H21ClN2O4, CAS 930019-52-6](/s/DXCKHCDFDMBQLL-UHFFFAOYSA-N.svg)
[(1-Cyanocyclopentyl)carbamoyl]methyl 2-(4-chlorophenoxy)-2-methylpropanoate
CAS 930019-52-6C18H21ClN2O4
- 1 suppliersN,N-Dimethyl-4-[(1E,3E)-4-(1-methylpyridin-1-ium-4-yl)buta-1,3-dienyl]aniline perchlorate89846-21-9C18H21ClN2O4
- tert-Butyl 4-(chloroacetyl)-1-cyclopropyl-2-oxo-1,2,3,4-tetrahydro-6-quinoxaline-carboxylate579514-84-4C18H21ClN2O4
- 1H-Pyrrolo[2,3-b]pyridine-1-acetic acid, 6-chloro-2-(3-ethoxy-3-oxo-1-propen-1-yl)-, 1,1-dimethylethyl ester1140512-65-7C18H21ClN2O4
- 6-[1-(2-Chloropropanoyl)piperidine-4-carbonyl]-2-methyl-4H-1,4-benzoxazin-3-one2411289-73-9C18H21ClN2O4
- Methyl 2-(4-chlorophenyl)-2-[(1-prop-2-enoylpiperidine-4-carbonyl)amino]acetate2361670-34-8C18H21ClN2O4
- Ethyl 2-chloro-5-[1-(prop-2-enoyl)piperidine-4-amido]benzoate2411264-13-4C18H21ClN2O4
- 3-(3-Chloro-5-ethoxy-4-methoxyphenyl)-2-cyano-N-[(oxolan-2-yl)methyl]prop-2-enamide941016-89-3C18H21ClN2O4
- tert-Butyl 3-(4-chloro-7-methoxyquinolin-6-yl)-3-hydroxyazetidine-1-carboxylate2367007-51-8C18H21ClN2O4
- N-[(8-Chloro-2,3-dihydro-1,4-benzodioxin-6-yl)methyl]-1-(prop-2-enoyl)piperidine-4-carboxamide2411254-14-1C18H21ClN2O4
- Ethyl (2E)-5-chloro-2-[(4-ethoxycarbonyl-3,5-dimethyl-1H-pyrrol-2-yl)methylidene]-4-methylpyrrole-3-carboxylate5451-29-6C18H21ClN2O4
- 9-(Diethylamino)-10-methylacridin-10-ium perchlorate139622-17-6C18H21ClN2O4
- 6-Methyl-1,4-diphenyl-2,3,4,5-tetrahydro-1H-1,4-diazepin-1-ium perchlorate62438-90-8C18H21ClN2O4
- 4-Methyl-5,7-diphenyl-2,3,4,5-tetrahydro-1H-1,4-diazepin-1-ium perchlorate62084-93-9C18H21ClN2O4
- 1H-Pyrrolo[2,3-b]pyridine-1acetic acid,6-chloro-2-(3-ethoxy-3-oxo-1-propen-1-yl)-,1,1-dimethylethyl esterC18H21ClN2O4
- 4-(2-Amino-5-chlorophenyl)-5-methoxy-2-oxo-1(2H)-pyridineacetic acid 1,1-dimethylethyl ester2566714-06-3C18H21ClN2O4
- Chloromethyl (2R)-2-{[(tert-butoxy)carbonyl]amino}-3-(quinolin-3-yl)propanoate2137135-73-8C18H21ClN2O4
- Chloromethyl (2S)-2-{[(tert-butoxy)carbonyl]amino}-3-(isoquinolin-5-yl)propanoate2137135-76-1C18H21ClN2O4
- Chloromethyl (2R)-2-{[(tert-butoxy)carbonyl]amino}-3-(isoquinolin-5-yl)propanoate2137032-62-1C18H21ClN2O4
- Chloromethyl 2-{[(tert-butoxy)carbonyl]amino}-3-(isoquinolin-5-yl)propanoate2137493-72-0C18H21ClN2O4
- Chloromethyl 2-{[(tert-butoxy)carbonyl]amino}-3-(quinolin-3-yl)propanoate2137484-72-9C18H21ClN2O4
- 4-{[(tert-Butoxy)carbonyl](7-chloroquinolin-4-yl)amino}butanoic acid2680664-18-8C18H21ClN2O4
- Chloromethyl (2S)-2-{[(tert-butoxy)carbonyl]amino}-3-(quinolin-3-yl)propanoate2137036-56-5C18H21ClN2O4
- Ethyl 5-((5-chloro-3-(ethoxycarbonyl)-4-methyl-2H-pyrrol-2-ylidene)methyl)-2,4-dimethyl-1H-pyrrole-3-carboxylateC18H21ClN2O4
- Ethyl (2Z)-5-chloro-2-[(4-ethoxycarbonyl-3,5-dimethyl-1H-pyrrol-2-yl)methylidene]-4-methylpyrrole-3-carboxylateC18H21ClN2O4
- 1-((2-(2-Chloro-6-methoxyphenyl)-5-methyloxazol-4-yl)methyl)piperidine-4-carboxylic acid2115083-90-2C18H21ClN2O4
- 6-Chloro-7-methoxy-4-methyl-3-(3-oxo-3-(piperazin-1-yl)propyl)-2H-chromen-2-one2736961-14-9C18H21ClN2O4
Frequently asked questions
What is the molar mass of C18H21ClN2O4?
The molar mass of C18H21ClN2O4 is 364.83 g/mol, calculated from standard atomic weights for 18 carbon atoms, 21 hydrogen atoms, 1 chlorine atom, 2 nitrogen atoms and 4 oxygen atoms. The monoisotopic mass is 364.1190 Da.
How many compounds have the formula C18H21ClN2O4?
CompoundList lists 50 compounds with the molecular formula C18H21ClN2O4, including Ethyl 1-[1-(3-chlorophenyl)-2,5-dioxopyrrolidin-3-yl]piperidine-4-carboxylate, Magl-IN-4, Pde7-IN-3. 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 C18H21ClN2O4?
C18H21ClN2O4 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.