Molecular formula
C21H23NO2
164 compounds have this formula on CompoundList.
- Molar mass
- 321.42g/mol
- Monoisotopic mass
- 332.2419Da
- Atoms
- 47
- Elements
- 4
- Rings plus double bonds
- 11
The formula C21H23NO2 describes a molecule made of 21 carbon atoms, 23 hydrogen atoms, 1 nitrogen atom 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 × 2178.47%12.011 × 21 = 252.231 g/mol
- H Hydrogen × 237.21%1.008 × 23 = 23.184 g/mol
- N Nitrogen × 14.36%14.007 × 1 = 14.007 g/mol
- O Oxygen × 29.96%15.999 × 2 = 31.998 g/mol
Look up another formula
Compounds with the formula C21H23NO2
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 100 of 164 compounds
(4-Methoxyphenyl)(1-pentyl-1H-indol-3-yl)methanone
CAS 1345966-78-0C21H23NO2
![N-[(4-Methoxynaphthalen-1-yl)methyl]-2-(4-methoxyphenyl)ethanamine chemical structure, C21H23NO2, CAS 864431-36-7](/s/SNBZXHDTILHVJS-UHFFFAOYSA-N.svg)
N-[(4-Methoxynaphthalen-1-yl)methyl]-2-(4-methoxyphenyl)ethanamine
CAS 864431-36-7C21H23NO2
Benzoic acid, 4-heptyl-, 4-cyanophenyl ester
CAS 38690-76-5C21H23NO2
N-((4-Phenyltetrahydro-2H-pyran-4-yl)methyl)cinnamamide
CAS 355820-75-6C21H23NO2
![1-(2,5-Dimethylphenyl)-3-[(3,5-dimethylphenyl)methyl]pyrrolidine-2,5-dione chemical structure, C21H23NO2, CAS 312608-41-6](/s/JMIBHLWQHPXEQE-UHFFFAOYSA-N.svg)
1-(2,5-Dimethylphenyl)-3-[(3,5-dimethylphenyl)methyl]pyrrolidine-2,5-dione
CAS 312608-41-6C21H23NO2
![9-[4-[Ethyl(2-hydroxyethyl)amino]but-2-ynyl]fluoren-9-ol chemical structure, C21H23NO2, CAS 372970-76-8](/s/HYBMZZFBUHWONT-UHFFFAOYSA-N.svg)
9-[4-[Ethyl(2-hydroxyethyl)amino]but-2-ynyl]fluoren-9-ol
CAS 372970-76-8C21H23NO2
methanone chemical structure, C21H23NO2, CAS 343374-85-6](/s/DHOWIUDKAWCXFP-UHFFFAOYSA-N.svg)
[1-Methyl-4-(4-methylbenzoyl)tetrahydro-1H-pyrrol-3-yl](4-methylphenyl)methanone
CAS 343374-85-6C21H23NO2
(3,5-Dimethylpiperidin-1-yl)(9H-xanthen-9-yl)methanone
CAS 346726-38-3C21H23NO2
![6',7'-Dimethoxy-1'-phenyl-4'H-spiro[cyclopentane-1,3'-isoquinoline] chemical structure, C21H23NO2, CAS 296884-15-6](/s/BVIFBLQHDFHPFC-UHFFFAOYSA-N.svg)
6',7'-Dimethoxy-1'-phenyl-4'H-spiro[cyclopentane-1,3'-isoquinoline]
CAS 296884-15-6C21H23NO2
Flavamine
CAS 15686-60-9C21H23NO2
(E)-3-(2-Methoxyphenyl)-1-(3-phenylpiperidin-1-yl)prop-2-en-1-one
CAS 380906-20-7C21H23NO2
(2-Methoxyphenyl)(1-pentyl-1H-indole-3-yl)methanone
CAS 1345966-76-8C21H23NO2
Norlobelanine
CAS 6035-31-0C21H23NO2
N-Benzyl-3-(furan-2-yl)-3-(2-methoxyphenyl)propan-1-amine
CAS 396099-36-8C21H23NO2
![1,3(2H,4H)-Isoquinolinedione, 2-[2,6-bis(1-methylethyl)phenyl]- chemical structure, C21H23NO2, CAS 182800-53-9](/s/AEDIHQHGAMNRLZ-UHFFFAOYSA-N.svg)
1,3(2H,4H)-Isoquinolinedione, 2-[2,6-bis(1-methylethyl)phenyl]-
CAS 182800-53-9C21H23NO2
3-Benzoyl-N-beta-ethoxyisopropyl-2-methylindole
CAS 77992-61-1C21H23NO2
5-(Morpholin-4-yl)-1,1-diphenylpent-3-yn-1-ol
CAS 364745-42-6C21H23NO2
![(E)-2,2-Dimethyl-7-[methyl(naphthalen-1-ylmethyl)amino]hept-5-en-3-ynoic acid chemical structure, C21H23NO2, CAS 99473-14-0](/s/DSPCPJFHUUUMEV-XBXARRHUSA-N.svg)
(E)-2,2-Dimethyl-7-[methyl(naphthalen-1-ylmethyl)amino]hept-5-en-3-ynoic acid
CAS 99473-14-0C21H23NO2
Salvianan
CAS 862832-46-0C21H23NO2
2-Adamantanyl-6-methylquinoline-4-carboxylic acid
CAS 438228-64-9C21H23NO2
2-(3,4-Dimethoxyphenyl)-N-(naphthalen-1-ylmethyl)ethanamine
CAS 355816-88-5C21H23NO2
2-(2,6-Diisopropylphenyl)-5-methyl-1H-isoindole-1,3(2H)-dione
CAS 63334-87-2C21H23NO2
2-(4-Methoxyphenyl)-5-pentyl-1H-indole-3-carbaldehyde
CAS 920514-83-6C21H23NO2
![2-[[3-(2-Methylbutoxy)phenoxy]methyl]quinoline chemical structure, C21H23NO2, CAS 2760546-05-0](/s/LBVBVGWILMIBBX-UHFFFAOYSA-N.svg)
2-[[3-(2-Methylbutoxy)phenoxy]methyl]quinoline
CAS 2760546-05-0C21H23NO2
- 2-(6-Phenacylpiperidin-2-yl)-1-phenylethanone864969-17-5C21H23NO2
- Ethyl 2-((diphenylmethylene)amino)-4-methylpent-4-enoate80741-44-2C21H23NO2
- Rcs-31379922-51-6C21H23NO2
- 1 suppliers(11Z)-11-(3-(Dimethylamino)propylidene)-6,11-dihydrodibenz(b,e)oxepin-2-acetaldehyde1376615-97-2C21H23NO2
- 3,6-Diacetyl-9-isoamylcarbazole10510-39-1C21H23NO2
- (E)-N-(4-(3-(4-(tert-Butyl)phenyl)-3-oxoprop-1-en-1-yl)phenyl)acetamide127033-89-0C21H23NO2
- Ethyl 2-benzyl-1-propyl-1H-indole-3-carboxylate922184-71-2C21H23NO2
- 1,7,7-Trimethyl-N-naphthalen-1-yl-2-oxobicyclo[2.2.1]heptane-4-carboxamide385786-89-0C21H23NO2
- 5-Morpholino-1,5-diphenyl-pent-1-en-3-one6275-21-4C21H23NO2
- 1'-Benzyl-6-methylspiro[chromane-2,4'-piperidin]-4-one909072-47-5C21H23NO2
- Aniline, p-(5-(2-naphthyloxy)pentyloxy)-111935-92-3C21H23NO2
- 1-[2-(4-tert-Butylphenoxy)ethyl]-1H-indole-3-carbaldehyde6367-58-4C21H23NO2
- N-(2-(2-Dibenzofuranyl)ethyl)cyclohexanecarboxamide893777-79-2C21H23NO2
- 1-Azabicyclo(2.2.2)octan-3-one, 2-((4-(phenylmethoxy)phenyl)methyl)-111896-95-8C21H23NO2
- 3-Benzyl-7-(diethylamino)-4-methyl-2H-1-benzopyran-2-one7509-72-0C21H23NO2
- 3,6-Diacetyl-9-n-amylcarbazole10511-39-4C21H23NO2
- Methyl 2-benzhydryl-2-azaspiro[3.3]heptane-5-carboxylate1263296-85-0C21H23NO2
- 3-(4-Hydroxymethylbenzoyl)-1-pentylindole1391485-19-0C21H23NO2
- (4-Cyclopentyloxyphenyl)-(2-methyl-2,3-dihydroindol-1-yl)methanone438211-82-6C21H23NO2
- 2-{[(2-Ethoxynaphthalen-1-yl)methyl]amino}-1-phenylethanol880812-87-3C21H23NO2
- N-heptyl-3,6-Diformylcarbazole173483-07-3C21H23NO2
- 2-Propanol, 1-(naphthyloxy)-3-phenethylamino-36391-23-8C21H23NO2
- Methyl 2-adamantanylquinoline-4-carboxylate438229-35-7C21H23NO2
- Ethyl 1-benzyl-5-phenyl-1,2,3,6-tetrahydropyridine-4-carboxylate497843-22-8C21H23NO2
- (1S,5R)-3-Benzyl-2,3,4,5,6,7-hexahydro-1H-1,5-methano-3-benzazonine-7-carboxylic acid2173071-98-0C21H23NO2
- 9-Fluorenecarboxylic acid, 2-(1-methyl-2-pyrrolidinyl)ethyl ester102449-21-8C21H23NO2
- N-Allylnornuciferine35936-72-2C21H23NO2
- 4H-Dibenzo(de,g)quinolin-1-ol, 5,6,6a,7-tetrahydro-6-(cyclopropylmethyl)-2-methyl-, (R)-37082-18-1C21H23NO2
- 3,4-Piperidinediol, 1,3-dimethyl-6-phenyl-4-(phenylethynyl)-, (3-alpha,4-alpha,6-beta)-120729-75-1C21H23NO2
- 1-((3aS,8aR)-8,8a-Dihydro-2,2-dimethyl-2H-indeno(1,2-d)oxazol-3(3aH)-yl)-3-phenyl-1-propanone141018-37-3C21H23NO2
- Norlobelanine, trans-1633020-95-7C21H23NO2
- Ethyl 5-(4-(tert-butyl)phenyl)-1H-indole-2-carboxylate871829-26-4C21H23NO2
- Cpd8l [PMID: 40040241]3023854-95-4C21H23NO2
- Dibenzo(a,e)cycloheptatrien-5-one, 1-(diethylamino)methyl-2-methoxy-42981-83-9C21H23NO2
- 3-(4,4-Dimethyl-4,5-dihydro-1,3-oxazol-2-yl)-1-phenyl-1,2,3,4-tetrahydro-1-naphthalenol29947-05-5C21H23NO2
- 3-Benzyl-7-butylamino-4-methyl-chromen-2-one7509-71-9C21H23NO2
- 2-(3,4-Dimethoxyphenyl)-N-(naphthalen-2-ylmethyl)ethanamine355816-22-7C21H23NO2
- 5-(4-Methoxyphenyl)-3-[(2-phenylethyl)amino]cyclohex-2-en-1-one396104-53-3C21H23NO2
- 3,4-Piperidinediol, 4-ethynyl-3-methyl-6-phenyl-1-(phenylmethyl)-, (3-alpha,4-alpha,6-beta)-84714-87-4C21H23NO2
- 3-(Furan-2-yl)-N-(4-methoxybenzyl)-3-phenylpropan-1-amine374770-13-5C21H23NO2
- N-Desmethylcarboxy terbinafine-d7 methyl ester1185245-14-0C21H23NO2
- RCS-4-d9 (exempt preparation)2749316-95-6C21H23NO2
- 1-[1-(2,4-Dimethylphenyl)-5-ethoxy-2-methylindol-3-yl]ethanone342383-31-7C21H23NO2
- Ethyl 4-(diphenylmethylidene)piperidine-1-carboxylate102449-34-3C21H23NO2
- 1 suppliersDapoxetine N-oxide (90%)1346603-24-4C21H23NO2
- 2-(2,3-Dihydro-1-benzofuran-6-yl)-1-(4-phenylpiperidin-1-yl)ethanone1435996-48-7C21H23NO2
- 3,4-Dihydrodiolnaftifine102141-05-9C21H23NO2
- 2-Azaspiro[4.5]deca-1,6,9-trien-8-one, 3,3,7-trimethyl-1-(2-oxo-1-phenylpropyl)-1220710-86-0C21H23NO2
- 1-(1-(4-Hydroxyphenyl)-2-((1-methylethyl)amino)ethyl)-2-naphthalenol23861-02-1C21H23NO2
- 3-Pyridinecarboxylic acid, 6-(3,3-diphenylpropyl)-1,2,5,6-tetrahydro-653576-62-6C21H23NO2
- Dibenzo(a,e)cycloheptatrien-5-ol, 2-methoxy-1-pyrrolidinylmethyl-42981-91-9C21H23NO2
- 1-{[(2-Hydroxy-3,5-dimethylbenzyl)(methyl)amino]methyl}naphthalen-2-ol3534-26-7C21H23NO2
- 1H-Indole-2,3-dione, 1-heptyl-7-phenyl-242792-96-7C21H23NO2
- (3,5-Dimethylphenyl)methyl 4-(1H-indol-3-yl)butanoate860784-03-8C21H23NO2
- 3-(3,5-Dimethylbenzyl)-1-(2-phenylethyl)pyrrolidine-2,5-dione370849-07-3C21H23NO2
- Ethyl 4-[1-benzyl-1,2,3,6-tetrahydropyrid-4-yl]benzoate203661-96-5C21H23NO2
- 4-[(4-Cyclohex-1-enylphenylamino)methyl]benzoic acid methyl ester307990-15-4C21H23NO2
- 3-[(4-Phenylpiperidin-1-yl)methyl]-2,3-dihydro-4H-1-benzopyran-4-one109132-66-3C21H23NO2
- 1-Benzyl-3-methyl-4-hydroxy-4-(benzofur-4-yl)piperidine325487-30-7C21H23NO2
- Ethyl 3-[4-(2-methyl-2-propanyl)phenyl]-1H-indole-2-carboxylate412006-68-9C21H23NO2
- 6-(9H-Carbazol-9-yl)hexyl prop-2-enoate117846-47-6C21H23NO2
- Methyl 8-{4-[(dimethylamino)methyl]phenyl}-5,6-dihydronaphthalene-2-carboxylate1116093-91-4C21H23NO2
- 1'-Benzyl-6-methoxyspiro[indene-2,4'-piperidin]-1(3H)-one1133286-00-6C21H23NO2
- Ethyl 6-(4-tert-butylphenyl)-1H-indole-2-carboxylate825623-16-3C21H23NO2
- 6-Acetyl-4,4-dimethyl-1-(2-phenylethyl)-3,4-dihydroquinolin-2(1H)-one651026-56-1C21H23NO2
- Ethyl 2-(1-benzhydrylazetidin-3-ylidene)propanoate1160945-85-6C21H23NO2
- 1-((1R,5S)-8-Azabicyclo[3.2.1]oct-2-en-8-yl)-3-(2-methoxynaphthalen-1-yl)propan-1-one1797739-90-2C21H23NO2
- 1'-[(4-Methoxyphenyl)methyl]-2',4'-dihydro-1'H-spiro[cyclopentane-1,3'-quinolin]-2'-one1434503-81-7C21H23NO2
- N-(3-(Benzofuran-2-yl)propyl)-4-phenylbutanamide2034414-98-5C21H23NO2
- N-({2'-Methoxy-[1,1'-biphenyl]-4-yl}methyl)-N-(propan-2-yl)but-2-ynamide2094185-45-0C21H23NO2
- 3'-Methoxy-N-(4-methylenecyclohexyl)-[1,1'-biphenyl]-4-carboxamide2309630-59-7C21H23NO2
- Methyl 2-(5-Benzhydryl-5-azaspiro[2.3]hexan-1-yl)acetate2659313-38-7C21H23NO2
- 2-(Dimethylamino)ethyl 5H-dibenzo[a,d]cycloheptene-5-acetate6583-08-0C21H23NO2
- (E)-N-(3-Acetylphenyl)-3-(4-tert-butylphenyl)prop-2-enamide431923-63-6C21H23NO2
- 1-(4-Methoxyphenyl)-2-(2,3,3-trimethyl-4H-isoquinolin-1-ylidene)ethanone5133-80-2C21H23NO2
- 1-[(1S,2R)-2-Cyclopropyloxy-1,2-diphenylethyl]pyrrolidin-2-one917964-82-0C21H23NO2
Frequently asked questions
What is the molar mass of C21H23NO2?
The molar mass of C21H23NO2 is 321.42 g/mol, calculated from standard atomic weights for 21 carbon atoms, 23 hydrogen atoms, 1 nitrogen atom and 2 oxygen atoms. The monoisotopic mass is 332.2419 Da.
How many compounds have the formula C21H23NO2?
CompoundList lists 164 compounds with the molecular formula C21H23NO2, including (4-Methoxyphenyl)(1-pentyl-1H-indol-3-yl)methanone, N-[(4-Methoxynaphthalen-1-yl)methyl]-2-(4-methoxyphenyl)ethanamine, Benzoic acid, 4-heptyl-, 4-cyanophenyl ester. 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 C21H23NO2?
C21H23NO2 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.