Molecular formula
C21H23NO3
357 compounds have this formula on CompoundList.
- Molar mass
- 337.42g/mol
- Monoisotopic mass
- 343.2055Da
- Atoms
- 48
- Elements
- 4
- Rings plus double bonds
- 11
The formula C21H23NO3 describes a molecule made of 21 carbon atoms, 23 hydrogen atoms, 1 nitrogen atom 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 × 2174.75%12.011 × 21 = 252.231 g/mol
- H Hydrogen × 236.87%1.008 × 23 = 23.184 g/mol
- N Nitrogen × 14.15%14.007 × 1 = 14.007 g/mol
- O Oxygen × 314.22%15.999 × 3 = 47.997 g/mol
Look up another formula
Compounds with the formula C21H23NO3
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 100 of 357 compounds
3-Quinuclidinyl benzilate
CAS 6581-06-2C21H23NO3
Olopatadine
CAS 113806-05-6C21H23NO3
Amg-9810
CAS 545395-94-6C21H23NO3
N-(p-Amylcinnamoyl)anthranilic acid
CAS 110683-10-8C21H23NO3
(E)-Olopatadine
CAS 113805-63-3C21H23NO3
Proroxan
CAS 33743-96-3C21H23NO3
Quinuclidinyl benzilate, (-)-
CAS 62869-69-6C21H23NO3
Pargeverine
CAS 13479-13-5C21H23NO3
![3-[(3,5-Dimethylphenyl)methyl]-1-(4-ethoxyphenyl)pyrrolidine-2,5-dione chemical structure, C21H23NO3, CAS 312718-65-3](/s/KCBSMZWAMPHSID-UHFFFAOYSA-N.svg)
3-[(3,5-Dimethylphenyl)methyl]-1-(4-ethoxyphenyl)pyrrolidine-2,5-dione
CAS 312718-65-3C21H23NO3
Ethyl 5,6,7,8-tetrahydro-2,7,7-trimethyl-5-oxo-4-phenyl-3-quinolinecarboxylate
CAS 13337-65-0C21H23NO3
(11E)-11-(3-(Dimethylamino)propylidene)-6,11-dihydrodibenz(b,e)oxepin-2-acetic acid
CAS 113806-06-7C21H23NO3
8-((Butyl(methyl)amino)methyl)-7-hydroxy-4-phenyl-2H-chromen-2-one
CAS 303121-93-9C21H23NO3
Norglipin
CAS 16444-19-2C21H23NO3
N-(2,3-Dihydro-1,4-benzodioxin-2-ylmethyl)-1-phenylcyclopentanecarboxamide
CAS 311317-46-1C21H23NO3
![N-(Furan-2-ylmethyl)-N-[3-(furan-2-yl)-4-phenylbutyl]acetamide chemical structure, C21H23NO3, CAS 396099-37-9](/s/FEFIQTAHTILAMN-UHFFFAOYSA-N.svg)
N-(Furan-2-ylmethyl)-N-[3-(furan-2-yl)-4-phenylbutyl]acetamide
CAS 396099-37-9C21H23NO3
2-(Benzhydrylcarbamoyl)cyclohexane-1-carboxylic acid
CAS 340827-80-7C21H23NO3
1-Benzyl-3-(3,3-dimethyl-2-oxobutyl)-3-hydroxyindol-2-one
CAS 688037-91-4C21H23NO3
Ethyl 4-((phenylcyclopentyl)carbonylamino)benzoate
CAS 332392-05-9C21H23NO3
(9H-Fluoren-9-yl)methyl 4-(hydroxymethyl)piperidine-1-carboxylate
CAS 1072502-03-4C21H23NO3
Acetamide, 2-(4-benzoylphenoxy)-N-cyclohexyl-
CAS 42018-55-3C21H23NO3
4-Phenyl-4-(3-(2-methoxyphenyl)-3-oxo-2-azaprop-1-yl)cyclohexanone
CAS 265656-18-6C21H23NO3
![3-[(2,4-Dimethoxyphenyl)amino]-5-(4-methylphenyl)cyclohex-2-en-1-one chemical structure, C21H23NO3, CAS 364623-81-4](/s/ZDFRCSXAABMXQQ-UHFFFAOYSA-N.svg)
3-[(2,4-Dimethoxyphenyl)amino]-5-(4-methylphenyl)cyclohex-2-en-1-one
CAS 364623-81-4C21H23NO3
![tert-Butyl N-{3-[4-(benzyloxy)phenyl]prop-2-yn-1-yl}carbamate chemical structure, C21H23NO3, CAS 1315365-40-2](/s/VHAFZILPUKCUOL-UHFFFAOYSA-N.svg)
tert-Butyl N-{3-[4-(benzyloxy)phenyl]prop-2-yn-1-yl}carbamate
CAS 1315365-40-2C21H23NO3
Methyl (Z)-2-(11-(3-(dimethylamino)propylidene)-6,11-dihydrodibenzo(b,e)oxepin-2-yl)acetate
CAS 113805-71-3C21H23NO3
- 6-(3-(Dimethylamino)propyl)-6,12-dihydro-benzofuro(3,2-c)(1)benzoxepin-6-ol27450-47-1C21H23NO3
- 4-[(3-Methoxyanilino)methyl]-7-methyl-6-propan-2-ylchromen-2-one854027-71-7C21H23NO3
- 5-(3,4-Dimethoxyphenyl)-3-(2-methylanilino)cyclohex-2-en-1-one351013-77-9C21H23NO3
- 1-(4-(Isopentyloxy)benzyl)-5-methylindoline-2,3-dione620931-45-5C21H23NO3
- 1-{4-[5-Methyl-2-(propan-2-yl)phenoxy]phenyl}piperidine-2,6-dione305349-16-0C21H23NO3
- 3-[(3,5-Dimethoxyphenyl)amino]-5-(4-methylphenyl)cyclohex-2-en-1-one364616-90-0C21H23NO3
- N-(4-Methoxybenzyl)-2-[5-(propan-2-yl)-1-benzofuran-3-yl]acetamide880793-75-9C21H23NO3
- 8-Allyl-N-(2-(cyclohex-1-en-1-yl)ethyl)-2-oxo-2H-chromene-3-carboxamide325802-68-4C21H23NO3
- 7-Methyl-1-{[2-(3-methylbutoxy)phenyl]methyl}-2,3-dihydro-1H-indole-2,3-dione620931-97-7C21H23NO3
- 3-(4-(2-Methylpropyl)phenyl)-N-(4-oxachroman-6-yl)prop-2-enamide840526-88-7C21H23NO3
- 2,3-Bis(4-methoxyphenyl)-2-azaspiro[3.4]octan-1-one694469-11-9C21H23NO3
- Tropanyl benzylate64471-34-7C21H23NO3
- N-(2,2-Dimethyl-1,3-benzodioxol-5-yl)-1-phenylcyclopentane-1-carboxamide345992-68-9C21H23NO3
- 1-[4-(Benzyloxy)-3-ethoxyphenyl]-N-(furan-2-ylmethyl)methanamine881453-73-2C21H23NO3
- 7-(Diethylamino)-3-(4-ethoxyphenyl)chromen-2-one720673-76-7C21H23NO3
- Quinuclidinyl benzilate, (+)-62869-68-5C21H23NO3
- [4-(2-Aminoethoxy)phenyl](2-butyl-3-benzofuranyl)methanone96027-75-7C21H23NO3
- 1-{9-Butyl-4-methyl-3,11-dioxa-9-azatetracyclo[11.4.0.0^{2,6}.0^{7,12}]heptadeca-1,4,6,12,14,16-hexaen-5-yl}ethan-1-one526188-52-3C21H23NO3
- 1-[2-(4-tert-Butylphenoxy)ethyl]-5-methyl-1H-indole-2,3-dione620931-54-6C21H23NO3
- Ethyl 2,6-diphenyl-4-oxo-3-piperidineacetate199189-88-3C21H23NO3
- (Z)-7-((Dimethylamino)methyl)-6-hydroxy-2-(4-isopropylbenzylidene)benzofuran-3(2H)-one869077-07-6C21H23NO3
- 9H-Fluoren-9-ylmethyl N-[(1S)-1-formyl-3-methylbutyl]carbamate146803-42-1C21H23NO3
- 5-Oxo-3-phenyl-5-[(5,6,7,8-tetrahydronaphthalen-1-yl)amino]pentanoic acid280133-49-5C21H23NO3
- N-Acetoxy-7-N-butyl-N-2-acetylaminofluorene87005-14-9C21H23NO3
- Butyl 4-[(4-Methoxybenzylidene)amino]cinnamate16833-17-3C21H23NO3
- 9H-Fluoren-9-ylmethyl N-(4-hydroxycyclohexyl)carbamate1341479-28-4C21H23NO3
- 1-(2,3-Dihydro-1,4-benzodioxin-6-yl)-3-(1,2,4,5-tetrahydro-3-benzazepin-3-yl)propan-1-one425653-86-7C21H23NO3
- 3-[2-(4-tert-Butylphenyl)-2-oxoethyl]-3-hydroxy-5-methyl-1,3-dihydro-2H-indol-2-one432495-65-3C21H23NO3
- Allyl 2-methyl-4-(4-methylphenyl)-5-oxo-1,4,5,6,7,8-hexahydro-3-quinolinecarboxylate299946-81-9C21H23NO3
- 1'-Benzyl-7-methoxy-spiro[chromane-2,4'-piperidine]-4-one868361-89-1C21H23NO3
- Tuvatexib2055404-90-3C21H23NO3
- 3-Cyclopentyl-N-(2-methoxydibenzo[b,d]furan-3-yl)propanamide311776-40-6C21H23NO3
- 1-Ethyl-3-hydroxy-3-[2-oxo-2-(4-propan-2-ylphenyl)ethyl]indol-2-one421578-79-2C21H23NO3
- 1-Ethyl-3-hydroxy-3-[2-oxo-2-(2,4,6-trimethylphenyl)ethyl]-1,3-dihydro-2H-indol-2-one421584-41-0C21H23NO3
- N-(1-Benzoylcyclopentyl)-3-methoxy-2-methylbenzamide551963-70-3C21H23NO3
- Cyano(6-methoxy-2-naphthalenyl)methyl 2,2,3,3-tetramethylcyclopropanecarboxylate862723-47-5C21H23NO3
- 1,4-Pentadien-3-one, 1-(3,5-dimethoxyphenyl)-5-[4-(dimethylamino)phenyl]-, (1E,4E)-1285533-85-8C21H23NO3
- 1-[3-(4-tert-Butylphenoxy)propyl]indole-2,3-dione797780-76-8C21H23NO3
- (9H-Fluoren-9-yl)methyl 2-(hydroxymethyl)piperidine-1-carboxylate170867-95-5C21H23NO3
- Ethyl 1-(4-phenylbenzoyl)-3-piperidinecarboxylate310454-72-9C21H23NO3
- 3-Hydroxy-5,7-dimethyl-1-(4-methylbenzyl)-3-(2-oxopropyl)-1,3-dihydro-2H-indol-2-one879047-23-1C21H23NO3
- 3-[1,4-Dioxa-8-azaspiro[4.5]decan-8-ylmethyl]benzophenone898761-26-7C21H23NO3
- 1-Fmoc-3-(hydroxymethyl)piperidine1341328-61-7C21H23NO3
- Fla 11607-74-9C21H23NO3
- 2-Propenoic acid, 3-[4-[[(4-methoxyphenyl)methylene]amino]phenyl]-2-methyl-, propyl ester18770-76-8C21H23NO3
- Methyl 4-[[(E)-3-(4-tert-butylphenyl)prop-2-enoyl]amino]benzoate545397-32-8C21H23NO3
- Xanthen-9-one, 3-isopropoxy-4-(1-pyrrolidinyl)methyl-58741-68-7C21H23NO3
- 4-Carboethoxy-4'-pyrrolidinomethyl benzophenone898776-17-5C21H23NO3
- 4-[8-(1,4-Dioxa-8-azaspiro[4.5]decyl)methyl]benzophenone898757-37-4C21H23NO3
- 3-Carboethoxy-3'-pyrrolidinomethyl benzophenone898770-04-2C21H23NO3
- (2-(1,4-Dioxa-8-azaspiro[4.5]decan-8-ylmethyl)phenyl)(phenyl)methanone898755-69-6C21H23NO3
- Ethyl 3-benzyl-1-ethyl-2-oxo-1,2,3,4-tetrahydro-3-quinolinecarboxylate1105190-31-5C21H23NO3
- N-[(4-Hydroxy-3-methoxyphenyl)methyl]-7-phenylhept-6-ynamide848127-67-3C21H23NO3
- (Z)-7-((Diethylamino)methyl)-6-hydroxy-2-(2-methylbenzylidene)benzofuran-3(2H)-one896598-69-9C21H23NO3
- (Z)-7-((Diethylamino)methyl)-6-hydroxy-2-(3-methylbenzylidene)benzofuran-3(2H)-one899390-20-6C21H23NO3
- 3-Hydroxy-1-methyl-3-[2-oxo-2-(2,3,5,6-tetramethylphenyl)ethyl]-1,3-dihydro-2H-indol-2-one688333-68-8C21H23NO3
- Ethyl 2-((phenylcyclopentyl)carbonylamino)benzoate1024244-53-8C21H23NO3
- 1-[2-(Benzyloxy)-3-ethoxyphenyl]-N-(furan-2-ylmethyl)methanamine881039-61-8C21H23NO3
- (Z)-7-((Diethylamino)methyl)-6-hydroxy-2-(4-methylbenzylidene)benzofuran-3(2H)-one869077-14-5C21H23NO3
- (S)-(9H-Fluoren-9-yl)methyl (4-methyl-1-oxopentan-2-yl)carbamate393178-28-4C21H23NO3
- 2-Carboethoxy-4'-pyrrolidinomethyl benzophenone898776-11-9C21H23NO3
- 3-Carboethoxy-4'-pyrrolidinomethyl benzophenone898776-14-2C21H23NO3
- 2-Carboethoxy-2'-pyrrolidinomethyl benzophenone898774-29-3C21H23NO3
- 2-(1-Methylpyrrolidin-2-yl)ethyl 9H-xanthene-9-carboxylate102449-59-2C21H23NO3
- 3-[3-(6-Cyclopropyl-pyridin-3-yl)-phenyl]-3-oxo-propionic acid tert-butyl ester579475-25-5C21H23NO3
- RCS-4 N-(5-hydroxypentyl) metabolite1379604-66-6C21H23NO3
- 8,9-Dimethoxy-3,3,5,11-tetramethylpyrano[3,2-a]carbazole24123-94-2C21H23NO3
- N-[(3,5-Dimethoxyphenyl)methyl]-1-(4-methoxynaphthalen-1-yl)methanamine355383-45-8C21H23NO3
- 2-Piperidin-1-ylethyl 9H-xanthene-9-carboxylate700350-56-7C21H23NO3
- Ethyl 5-ethoxy-2-methyl-1-(4-methylphenyl)indole-3-carboxylate461431-54-9C21H23NO3
- Ethyl 5-methoxy-2-methyl-1-(2-phenylethyl)-1H-indole-3-carboxylate17591-08-1C21H23NO3
- (2,2,4-Trimethyl-1H-quinolin-6-yl) 2-(4-methoxyphenyl)acetate6598-24-9C21H23NO3
- 1-(4-(Isopentyloxy)benzyl)-7-methylindoline-2,3-dione620932-46-9C21H23NO3
- N-(Furan-2-ylmethyl)-N-[3-(furan-2-yl)-3-(4-methylphenyl)propyl]acetamide395679-97-7C21H23NO3
- 1-(Furan-2-yl)-N-{3-methoxy-4-[(3-methylbenzyl)oxy]benzyl}methanamine880814-19-7C21H23NO3
- 2-Carboethoxy-3'-pyrrolidinomethyl benzophenone898794-18-8C21H23NO3
Frequently asked questions
What is the molar mass of C21H23NO3?
The molar mass of C21H23NO3 is 337.42 g/mol, calculated from standard atomic weights for 21 carbon atoms, 23 hydrogen atoms, 1 nitrogen atom and 3 oxygen atoms. The monoisotopic mass is 343.2055 Da.
How many compounds have the formula C21H23NO3?
CompoundList lists 357 compounds with the molecular formula C21H23NO3, including 3-Quinuclidinyl benzilate, Olopatadine, Amg-9810. 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 C21H23NO3?
C21H23NO3 has a degree of unsaturation of 11. 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.