Molecular formula
C21H23NO
80 compounds have this formula on CompoundList.
- Molar mass
- 305.42g/mol
- Monoisotopic mass
- 305.1780Da
- Atoms
- 46
- Elements
- 4
- Rings plus double bonds
- 11
The formula C21H23NO describes a molecule made of 21 carbon atoms, 23 hydrogen atoms, 1 nitrogen atom and 1 oxygen atom. 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 × 2182.58%12.011 × 21 = 252.231 g/mol
- H Hydrogen × 237.59%1.008 × 23 = 23.184 g/mol
- N Nitrogen × 14.59%14.007 × 1 = 14.007 g/mol
- O Oxygen × 15.24%15.999 × 1 = 15.999 g/mol
Look up another formula
Compounds with the formula C21H23NO
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 80 of 80 compounds
Dapoxetine
CAS 119356-77-3C21H23NO
N,N-Dimethyl-alpha-(2-(1-naphthalenyloxy)ethyl)benzenemethanamine
CAS 119356-76-2C21H23NO
Dipheridin
CAS 972-04-3C21H23NO
3-(1-Methylpiperidin-3-yl)-1,1-diphenylprop-2-yn-1-ol
CAS 91324-48-0C21H23NO
N-(1-Naphthyl)-1-adamantanecarboxamide
CAS 121768-37-4C21H23NO
5-(1-Methylpiperidin-4-yl)-5H-dibenzo(a,d)(7)annulen-5-ol
CAS 3967-32-6C21H23NO
3-Methyl-N-(4-phenylhepta-1,6-dien-4-yl)benzamide
CAS 307339-18-0C21H23NO
1,1-Diphenyl-5-(pyrrolidin-1-yl)pent-3-yn-1-ol
CAS 327101-08-6C21H23NO
![2-[3-(4-Isopropylphenyl)acryloyl]-1,2,3,4-tetrahydroisoquinoline chemical structure, C21H23NO, CAS 1164493-83-7](/s/FEWVXAXUJHNMPA-FMIVXFBMSA-N.svg)
2-[3-(4-Isopropylphenyl)acryloyl]-1,2,3,4-tetrahydroisoquinoline
CAS 1164493-83-7C21H23NO
![N-[2-(1-Cyclohexen-1-yl)ethyl]-3-(1-naphthyl)acrylamide chemical structure, C21H23NO, CAS 1164553-95-0](/s/PMYYFKBIVSBLIH-BUHFOSPRSA-N.svg)
N-[2-(1-Cyclohexen-1-yl)ethyl]-3-(1-naphthyl)acrylamide
CAS 1164553-95-0C21H23NO
(E)-1-(4-Benzylpiperidin-1-yl)-3-phenylprop-2-en-1-one
CAS 1164480-07-2C21H23NO
N-Allyl-2,2-bis(3-methylphenyl)cyclopropanecarboxamide
CAS 328282-76-4C21H23NO
9-(4-Diethylamino-but-1-ynyl)-9H-fluoren-9-ol
CAS 94917-67-6C21H23NO
Jwh-167
CAS 864445-37-4C21H23NO
![2-[[4-(Diethylamino)phenyl]methylene]-3,4-dihydro-1(2H)-naphthalenone chemical structure, C21H23NO, CAS 72700-02-8](/s/RUPYBKQBTCRLEJ-OBGWFSINSA-N.svg)
2-[[4-(Diethylamino)phenyl]methylene]-3,4-dihydro-1(2H)-naphthalenone
CAS 72700-02-8C21H23NO
2-(4-Hexylphenyl)quinolin-4(1H)-one
CAS 1407533-04-3C21H23NO
![5-(4-Methylphenyl)-3-[(2-phenylethyl)amino]cyclohex-2-en-1-one chemical structure, C21H23NO, CAS 333325-96-5](/s/ALZVXGOQCYTHEU-UHFFFAOYSA-N.svg)
5-(4-Methylphenyl)-3-[(2-phenylethyl)amino]cyclohex-2-en-1-one
CAS 333325-96-5C21H23NO
1-Hexyl-3-(1-naphthoyl)pyrrole
CAS 162934-74-9C21H23NO
(1-Cyclohexyl-3-phenylaziridin-2-yl)(phenyl)methanone
CAS 2211-61-2C21H23NO
![N-[2-(1-Cyclohexenyl)ethyl]-4-phenyl-benzamide chemical structure, C21H23NO, CAS 6217-99-8](/s/BIBGOYBYVONXKS-UHFFFAOYSA-N.svg)
N-[2-(1-Cyclohexenyl)ethyl]-4-phenyl-benzamide
CAS 6217-99-8C21H23NO
1-Butanone, 4-(3,6-dihydro-4-phenyl-1(2H)-pyridinyl)-1-phenyl-
CAS 5061-32-5C21H23NO
![alpha-[2-[Methyl(1-naphthalenylmethyl)amino]ethyl]-Benzenemethanol chemical structure, C21H23NO, CAS 98977-94-7](/s/DJSCUSHMDGIDFV-UHFFFAOYSA-N.svg)
alpha-[2-[Methyl(1-naphthalenylmethyl)amino]ethyl]-Benzenemethanol
CAS 98977-94-7C21H23NO
3-Buten-2-one, 4,4-diphenyl-1-piperidino-
CAS 1866-05-3C21H23NO
(1-Hexylpyrrol-2-yl)-naphthalen-1-ylmethanone
CAS 1797106-18-3C21H23NO
- Indapyrophenidone2055940-97-9C21H23NO
- 4-(5,5-Diphenylpent-2-ynyl)morpholine487012-73-7C21H23NO
- 2-Propen-1-one, 3-[4-(diethylamino)phenyl]-1-(4-ethenylphenyl)-60688-99-5C21H23NO
- (E)-N-Cyclohexyl-3,N-diphenyl-acrylamide6631-20-5C21H23NO
- Acetamide, N-(3-(9,10-ethanoanthracen-9(10H)-yl)propyl)-113888-19-0C21H23NO
- (E)-1-(Azepan-1-yl)-2,3-diphenylprop-2-en-1-one587843-33-2C21H23NO
- N-(1-Adamantyl)naphthalene-2-carboxamide197853-37-5C21H23NO
- cis-1-Benzyl-3a-phenylhexahydro-1H-indol-6(2H)-one24876-57-1C21H23NO
- N-(2,3-Dihydro-1H-inden-5-yl)-1-phenylcyclopentane-1-carboxamide1024240-49-0C21H23NO
- (R)-Dapoxetine119357-36-7C21H23NO
- 1H-Inden-1-one, 2-[[4-(diethylamino)-2-methylphenyl]methylene]-2,3-dihydro-71156-01-9C21H23NO
- 4-(2-Methylpropyl)-2-[(naphthalen-2-ylamino)methyl]phenol7479-39-2C21H23NO
- 3H-2-Benzazepin-3-one, 2-butyl-1,2-dihydro-5-(phenylmethyl)-530084-25-4C21H23NO
- 2-[(9,10-Methanoanthracen-9(10H)-yl)methyl]-4-methylmorpholine62686-21-9C21H23NO
- 1-(9H-Carbazol-9-yl)-3-cyclohexylpropan-1-one325750-43-4C21H23NO
- 2-Ethoxy-N-(2-phenylethyl)-1-naphthalenemethanamine893577-90-7C21H23NO
- 1',3',3',6,8-Pentamethyl-1',3'-dihydrospiro[[1]benzopyran-2,2'-indole]20200-65-1C21H23NO
- 1'-Benzyl-3,4-dihydro-2H-spiro[naphthalene-1,4'-piperidin]-2-one134697-63-5C21H23NO
- N,N-Dimethyl-3-naphthalen-2-yloxy-1-phenylpropan-1-amine119357-39-0C21H23NO
- 2-(2-Methoxyphenyl)-5-methyl-1-(4-propan-2-ylphenyl)pyrrole1260802-65-0C21H23NO
- Benzenemethanol, 4-(spiro[1H-indene-1,4'-piperidin]-1'-ylmethyl)-1292291-10-1C21H23NO
- 1-{[1,1'-Biphenyl]-4-carbonyl}-4-cyclopropylpiperidine2320923-39-3C21H23NO
- 1-(Dimethylamino)-3-(10,10-dimethylanthracen-9(10H)-ylidene)propan-2-one34662-49-2C21H23NO
- (E)-1,3-Diphenyl-2-(piperidin-1-ylmethyl)prop-2-en-1-one7204-44-6C21H23NO
- 1-Propanone, 3-(cyclohexylimino)-1,3-diphenyl-61350-74-1C21H23NO
- 2-{[tert-Butyl(methyl)amino](phenyl)methyl}-1H-inden-1-one53059-34-0C21H23NO
- 1-Naphthalenecarboxamide, 1,4-dihydro-N-(2-methyl-1-phenylpropyl)-101507-15-7C21H23NO
- Dapoxetine impurity H1135682-44-8C21H23NO
- N-[2-(2-Isopropylphenoxy)ethyl]-1-naphthalenamine1040683-99-5C21H23NO
- 1-[3-(Diphenylamino)prop-1-yn-1-yl]cyclohexan-1-ol65910-24-9C21H23NO
- 4-{2-[4-(Hexyloxy)phenyl]ethenyl}benzonitrile62736-48-5C21H23NO
- N-Benzyl-2-(4-phenylcyclohexen-1-yl)acetamide919769-09-8C21H23NO
- N-(2-Cyclohexen-1-yldiphenylmethyl)acetamide31366-08-2C21H23NO
- N-Phenyl-3-(4-phenylcyclohexyl)-2-propenamide1466-75-7C21H23NO
- rac-(1R,5S,7S)-3-Benzyl-5-ethyl-7-phenyl-3-azabicyclo[3.2.0]heptan-2-one2124271-11-8C21H23NO
- 3-Methyl-2,4-diphenyl-3-azabicyclo[3.3.1]nonan-9-one64259-30-9C21H23NO
- 1-Methyl-2,4-diphenyl-3-azabicyclo[3.3.1]nonan-9-one76335-71-2C21H23NO
- 4-(1H-2-Benzopyran-4(3H)-ylidene)-1-benzylpiperidine85684-83-9C21H23NO
- N-[4-(Diphenylmethylidene)cyclohexyl]acetamide919789-86-9C21H23NO
- ([1,1'-Biphenyl]-4-yl)(1-cyclohexylaziridin-2-yl)methanone6372-55-0C21H23NO
- N-[(4-Butoxyphenyl)methyl]naphthalen-1-amine90266-42-5C21H23NO
- 2-Benzyl-3-phenyl-2-azaspiro[3.5]nonan-1-one141921-91-7C21H23NO
- 1-[(4-Butylphenyl)methyl]-4-methylquinolin-2(1H)-one61298-25-7C21H23NO
- 3-[(Diphenylmethoxy)methyl]-8-azabicyclo[3.2.1]oct-2-ene915098-14-5C21H23NO
- N-Benzyl-2-(4-phenylcyclohexylidene)acetamide919769-12-3C21H23NO
- 2-Methyl-2-(7-phenylmethoxynaphthalen-1-yl)propan-1-amine1819331-76-4C21H23NO
- 9-[2-(Cyclohexylimino)ethyl]-9H-fluoren-9-ol3946-34-7C21H23NO
- 3-Benzyl-5-ethyl-7-phenyl-3-azabicyclo[3.2.0]heptan-2-one2137769-73-2C21H23NO
- 3-Benzyl-6-ethyl-7-phenyl-3-azabicyclo[3.2.0]heptan-2-one2137650-43-0C21H23NO
- 1-(3-Methoxyphenyl)-2-methyl-5-(4-propan-2-ylphenyl)pyrrole1260890-10-5C21H23NO
- (1-Methyl-2,2-diphenylcyclopropyl)(pyrrolidin-1-yl)methanone1235-58-1C21H23NO
- 4-(4-Oct-7-enoxyphenyl)benzonitrile130916-21-1C21H23NO
- (R)-1-(3-Methoxybenzyl)-5-phenyl-2-vinyl-1,2,3,4-tetrahydropyridine2841658-88-4C21H23NO
- (R)-1-Benzyl-5-(3-methoxyphenyl)-2-vinyl-1,2,3,4-tetrahydropyridine2841659-03-6C21H23NO
- (R)-1-Benzyl-5-(4-methoxyphenyl)-2-vinyl-1,2,3,4-tetrahydropyridine2841659-06-9C21H23NO
- (R)-1-(4-Methoxybenzyl)-5-phenyl-2-vinyl-1,2,3,4-tetrahydropyridine2841658-83-9C21H23NO
Frequently asked questions
What is the molar mass of C21H23NO?
The molar mass of C21H23NO is 305.42 g/mol, calculated from standard atomic weights for 21 carbon atoms, 23 hydrogen atoms, 1 nitrogen atom and 1 oxygen atom. The monoisotopic mass is 305.1780 Da.
How many compounds have the formula C21H23NO?
CompoundList lists 80 compounds with the molecular formula C21H23NO, including Dapoxetine, N,N-Dimethyl-alpha-(2-(1-naphthalenyloxy)ethyl)benzenemethanamine, Dipheridin. 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 C21H23NO?
C21H23NO 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.