Molecular formula
C21H25ClN2O3
71 compounds have this formula on CompoundList.
- Molar mass
- 388.89g/mol
- Monoisotopic mass
- 396.2056Da
- Atoms
- 52
- Elements
- 5
- Rings plus double bonds
- 10
The formula C21H25ClN2O3 describes a molecule made of 21 carbon atoms, 25 hydrogen atoms, 1 chlorine atom, 2 nitrogen atoms and 3 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 × 2164.86%12.011 × 21 = 252.231 g/mol
- H Hydrogen × 256.48%1.008 × 25 = 25.200 g/mol
- Cl Chlorine × 19.12%35.45 × 1 = 35.450 g/mol
- N Nitrogen × 27.20%14.007 × 2 = 28.014 g/mol
- O Oxygen × 312.34%15.999 × 3 = 47.997 g/mol
Look up another formula
Compounds with the formula C21H25ClN2O3
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 71 of 71 compounds
Cetirizine
CAS 83881-51-0C21H25ClN2O3
Levocetirizine
CAS 130018-77-8C21H25ClN2O3
Raubasine hydrochloride
CAS 4373-34-6C21H25ClN2O3
Bepotastine
CAS 125602-71-3C21H25ClN2O3
(S)-Cetirizine
CAS 130018-76-7C21H25ClN2O3
2-Chlorocetirizine
CAS 83881-59-8C21H25ClN2O3
4-((4-Chlorophenyl)-2-pyridinylmethoxy)-1-piperidinebutanoic Acid
CAS 1070505-53-1C21H25ClN2O3
3-(5-Chloro-2-hydroxyphenyl)-N-(2-morpholin-4-ylethyl)-3-phenylpropanamide
CAS 701221-08-1C21H25ClN2O3
![2-(4-Chlorophenoxy)-1-[4-(4-methoxyphenyl)piperazin-1-yl]-2-methylpropan-1-one chemical structure, C21H25ClN2O3, CAS 701217-39-2](/s/OGGQNYWGOZRBAW-UHFFFAOYSA-N.svg)
2-(4-Chlorophenoxy)-1-[4-(4-methoxyphenyl)piperazin-1-yl]-2-methylpropan-1-one
CAS 701217-39-2C21H25ClN2O3
5-Chloro-N-(3-morpholin-4-ylpropyl)-2-phenylmethoxybenzamide
CAS 892683-81-7C21H25ClN2O3
Vobasine hydrochloride
CAS 50720-30-4C21H25ClN2O3
![N-[2-(4-Chlorophenyl)-2-(morpholin-4-yl)ethyl]-2-(2-methylphenoxy)acetamide chemical structure, C21H25ClN2O3, CAS 898634-85-0](/s/OLENUOYVPYSXEC-UHFFFAOYSA-N.svg)
N-[2-(4-Chlorophenyl)-2-(morpholin-4-yl)ethyl]-2-(2-methylphenoxy)acetamide
CAS 898634-85-0C21H25ClN2O3
2-(4-Chlorophenoxy)-N-(3-(2-phenylmorpholino)propyl)acetamide
CAS 954246-19-6C21H25ClN2O3
4-((Benzyloxy)methyl)-N-(5-chloro-2-methoxyphenyl)piperidine-1-carboxamide
CAS 1251563-49-1C21H25ClN2O3
2-(2-(4-((3-Chlorophenyl)phenylmethyl)-1-piperazinyl)ethoxy)acetic acid
CAS 1232460-31-9C21H25ClN2O3
2-(4-Chloro-3,5-dimethylphenoxy)-N-(4-morpholin-4-ylphenyl)propanamide
CAS 786661-52-7C21H25ClN2O3
(3r,5r,7r)-N-((3-(3-Chlorophenyl)-2-oxooxazolidin-5-yl)methyl)adamantane-1-carboxamide
CAS 954594-59-3C21H25ClN2O3
(R)-4-(4-((4-Chlorophenyl)(pyridin-2-yl)methoxy)piperidin-1-yl)butanoic acid
CAS 190730-41-7C21H25ClN2O3
Cetirizine-d4
CAS 1219803-84-5C21H25ClN2O3
![2-(3-Chlorophenoxy)-1-[4-(2-ethoxyphenyl)piperazin-1-yl]propan-1-one chemical structure, C21H25ClN2O3, CAS 352690-64-3](/s/KUNKCCDUGPTYTF-UHFFFAOYSA-N.svg)
2-(3-Chlorophenoxy)-1-[4-(2-ethoxyphenyl)piperazin-1-yl]propan-1-one
CAS 352690-64-3C21H25ClN2O3
3-Butoxy-N-(3-chloro-4-morpholin-4-ylphenyl)benzamide
CAS 334503-15-0C21H25ClN2O3
Cetirizine-D8
CAS 774596-22-4C21H25ClN2O3
Acetophenone, 2'-((3-(4-(o-chlorophenyl)piperazinyl)-2-hydroxy)propoxy)-
CAS 63990-66-9C21H25ClN2O3
![(3-Chloro-phenyl)-[4-(3-ethoxy-4-methoxy-benzyl)-piperazin-1-yl]-methanone chemical structure, C21H25ClN2O3, CAS 441743-51-7](/s/NEUHAGHXMCYTSA-UHFFFAOYSA-N.svg)
(3-Chloro-phenyl)-[4-(3-ethoxy-4-methoxy-benzyl)-piperazin-1-yl]-methanone
CAS 441743-51-7C21H25ClN2O3
- N-[3-Chloro-4-(morpholin-4-yl)phenyl]-2-[4-(propan-2-yl)phenoxy]acetamide431924-80-0C21H25ClN2O3
- Propanoic acid, 2-methyl-2-((2-methyl-1-propyl-3-(4-pyridinyl)-1H-indol-5-yl)oxy)-, hydrochloride76460-37-2C21H25ClN2O3
- 5-Chloro-2-methoxy-N-(3-(2-phenylmorpholino)propyl)benzamide954046-63-0C21H25ClN2O3
- (R)-Cetirizine-d4 dihydrochloride1133210-23-7C21H25ClN2O3
- Diaboline hydrochloride11032-42-1C21H25ClN2O3
- Alanine, N-benzoyl-N-(p-chlorophenyl)-2-methyl-, 2-(dimethylamino)ethyl ester79592-88-4C21H25ClN2O3
- 1-(3-(2-Methoxyphenoxy)propyl)-2-(tetrahydrofuran-2-yl)-1H-benzo[d]imidazole hydrochloride1215755-29-5C21H25ClN2O3
- 5-Chloro-2-methoxy-N-(2-morpholino-2-(p-tolyl)ethyl)benzamide941896-16-8C21H25ClN2O3
- 2-Chloro-4-((4-methoxybenzyl)oxy)-N-(2-(pyrrolidin-1-yl)ethyl)benzamide1956354-69-0C21H25ClN2O3
- N-[4-Chloro-3-[[2-(5-methyl-2-propan-2-ylphenoxy)acetyl]amino]phenyl]propanamide674339-01-6C21H25ClN2O3
- N-[5-(Butanoylamino)-2-chlorophenyl]-3-butoxybenzamide639047-16-8C21H25ClN2O3
- 1-{[4-(3-Chlorophenyl)piperazin-1-yl]carbonyl}-4,7,7-trimethylbicyclo[2.2.1]heptane-2,3-dione889301-75-1C21H25ClN2O3
- 2-(4-Chlorophenoxy)-N-[2-(4-methoxyphenyl)-2-(pyrrolidin-1-yl)ethyl]acetamide898490-32-9C21H25ClN2O3
- N-[2-(2-Chlorophenyl)-2-(morpholin-4-yl)ethyl]-2-(4-methylphenoxy)acetamide1049119-38-1C21H25ClN2O3
- 2-Chloro-N-[[4-hydroxy-1-(4-phenylmethoxyphenyl)piperidin-4-yl]methyl]acetamide916344-32-6C21H25ClN2O3
- (9H-Fluoren-9-yl)methyl 3-(2-hydroxyethyl)piperazine-1-carboxylate hydrochloride1823497-18-2C21H25ClN2O3
- 1-(4-((3-Chloropyridin-4-yl)oxy)piperidin-1-yl)-2-(4-isopropylphenoxy)ethanone2034366-41-9C21H25ClN2O3
- 4-((1-(3-(3-Chlorophenyl)propanoyl)piperidin-4-yl)oxy)-1,6-dimethylpyridin-2(1H)-one2034313-74-9C21H25ClN2O3
- 5-Methoxy-N-[(1r,3r)-3-(aminomethyl)-3-phenylcyclobutyl]-2,3-dihydro-1-benzofuran-7-carboxamide hydrochloride, cis2418642-48-3C21H25ClN2O3
- 4-Chloro-3-{[(2,6-dimethylphenoxy)acetyl]amino}-N-isobutylbenzamide723291-75-6C21H25ClN2O3
- 4-Chloro-3-[(2-ethoxybenzoyl)amino]-N-isopentylbenzamide791797-97-2C21H25ClN2O3
- 4-Chloro-3-[(4-ethoxybenzoyl)amino]-N-isopentylbenzamide791802-47-6C21H25ClN2O3
- [4-[2-(4-Chlorophenyl)ethyl]piperazin-1-yl]-(3,5-dimethoxyphenyl)methanone113240-02-1C21H25ClN2O3
- 1-[4-(5-Chloro-2-methylphenyl)piperazin-1-yl]-2-(2-methoxyphenoxy)propan-1-one905793-89-7C21H25ClN2O3
- 1-[4-(3-Chlorophenyl)piperazin-1-yl]-2-(2-methoxyphenoxy)butan-1-one905757-94-0C21H25ClN2O3
- [(1-Cyanocyclopentyl)carbamoyl]methyl 1-(3-chlorophenyl)cyclohexane-1-carboxylate1016107-66-6C21H25ClN2O3
- 1-(3-Chlorobenzyl)-N-(2,4-dimethoxyphenyl)piperidine-4-carboxamide950232-76-5C21H25ClN2O3
- 5-Chloro-6-(oxan-4-yloxy)-N-(4-phenylbutan-2-yl)pyridine-3-carboxamide1903023-39-1C21H25ClN2O3
- N-[3-(Aminomethyl)-3-phenylcyclobutyl]-2-(2,3-dihydro-1,4-benzodioxin-3-yl)acetamide, hydrochloride2418629-84-0C21H25ClN2O3
- 4-Chloro-N-isopentyl-3-{[(4-methoxyphenyl)acetyl]amino}benzamide791842-43-8C21H25ClN2O3
- 2-(4-Chloro-3,5-dimethylphenoxy)-1-[4-(4-methoxyphenyl)piperazin-1-yl]ethanone692274-52-5C21H25ClN2O3
- 2-(Diethylamino)ethyl 4-{[(4-chlorophenyl)acetyl]amino}benzoate791840-62-5C21H25ClN2O3
- 4-(4-Chlorophenoxy)-1-[4-(2-methoxyphenyl)piperazin-1-yl]butan-1-one915935-25-0C21H25ClN2O3
- Propyl 4-[3-(2-aminoethyl)-1H-indol-5-yloxymethyl]benzoate hydrochloride179011-96-2C21H25ClN2O3
- N-(5-Chloro-2-methoxyphenyl)-3-(4-methoxyphenyl)azepane-1-carboxamide1795197-44-2C21H25ClN2O3
- 7-(tert-Butoxy)-8-chloro-2-((4,6-dimethyl-2-oxo-1,2-dihydropyridin-3-yl)methyl)-3,4-dihydroisoquinolin-1(2H)-one1846589-11-4C21H25ClN2O3
- 2-[4-(4-Chlorophenyl)-4-hydroxypiperidin-1-yl]-N-(2-ethoxyphenyl)acetamide2948513-14-0C21H25ClN2O3
- 1-Pyrrolidineacetic acid, 2-methoxy-4-(((4-methylphenyl)imino)methyl)phenyl ester, monohydrochloride61612-62-2C21H25ClN2O3
- Acetamide, 2-(3,4-dihydro-6,7-dimethoxy-3,3-dimethyl-1(2H)-isoquinolinylidene)-N-phenyl-, monohydrochloride, (Z)-132680-92-3C21H25ClN2O3
- Bepotastine-D62469626-70-6C21H25ClN2O3
- 4-[2-(2-Chlorophenoxy)-3-pyridinyl]-1-piperidinecarboxylic acid 1,1-dimethylethyl ester1167991-44-7C21H25ClN2O3
- Benzyl 3-(3-phenylpropanoyl)-1-piperazinecarboxylate hydrochloride2205384-44-5C21H25ClN2O3
- Benzyl 3-(3,5-dimethylbenzoyl)-1-piperazinecarboxylate hydrochloride2203017-45-0C21H25ClN2O3
- 2-[4-(4-Chlorophenyl)-4-hydroxypiperidin-1-yl]-N-(4-ethoxyphenyl)acetamide2742067-91-8C21H25ClN2O3
- [1,1'-Biphenyl]-3-carboxamide, 3'-formyl-4'-hydroxy-N-[2-(1-piperidinyl)ethyl]-, hydrochloride1093120-09-2C21H25ClN2O3
- 2-(4-Chloro-2-methylphenoxy)-N-[(E)-[3-[(2-methylpropan-2-yl)oxy]phenyl]methylideneamino]propanamide2487430-03-3C21H25ClN2O3
- 3-Dehydro yohimbane chloride100625-39-6C21H25ClN2O3
Frequently asked questions
What is the molar mass of C21H25ClN2O3?
The molar mass of C21H25ClN2O3 is 388.89 g/mol, calculated from standard atomic weights for 21 carbon atoms, 25 hydrogen atoms, 1 chlorine atom, 2 nitrogen atoms and 3 oxygen atoms. The monoisotopic mass is 396.2056 Da.
How many compounds have the formula C21H25ClN2O3?
CompoundList lists 71 compounds with the molecular formula C21H25ClN2O3, including Cetirizine, Levocetirizine, Raubasine 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 C21H25ClN2O3?
C21H25ClN2O3 has a degree of unsaturation of 10. 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.