Molecular formula
C19H21NO
250 compounds have this formula on CompoundList.
- Molar mass
- 279.38g/mol
- Monoisotopic mass
- 282.1811Da
- Atoms
- 42
- Elements
- 4
- Rings plus double bonds
- 10
The formula C19H21NO describes a molecule made of 19 carbon atoms, 21 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 × 1981.68%12.011 × 19 = 228.209 g/mol
- H Hydrogen × 217.58%1.008 × 21 = 21.168 g/mol
- N Nitrogen × 15.01%14.007 × 1 = 14.007 g/mol
- O Oxygen × 15.73%15.999 × 1 = 15.999 g/mol
Look up another formula
Compounds with the formula C19H21NO
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 101 to 200 of 250 compounds
![1'-Benzyl-3H-spiro[2-benzofuran-1,4'-piperidine] chemical structure, C19H21NO, CAS 37663-43-7](/s/NQCPWIBLOQTVAP-UHFFFAOYSA-N.svg)
1'-Benzyl-3H-spiro[2-benzofuran-1,4'-piperidine]
CAS 37663-43-7C19H21NO
2-(Piperidinomethyl)benzophenone
CAS 745718-74-5C19H21NO
3-(Piperidinomethyl)benzophenone
CAS 898792-54-6C19H21NO
3'-Azetidinomethyl-3,4-dimethylbenzophenone
CAS 898771-77-2C19H21NO
(3-Methyl-4-(piperidin-1-yl)phenyl)(phenyl)methanone
CAS 1951439-39-6C19H21NO
1-Benzhydryl-3-(oxetan-3-yl)azetidine
CAS 1956321-68-8C19H21NO
Cis-10-hydroxy Nortriptyline-D3
CAS 2749049-11-2C19H21NO
1,2-Diphenyl-3-pyrrolidin-1-ylpropan-1-one
CAS 4879-40-7C19H21NO
![[1,1'-Biphenyl]-4-yl(hexahydro-1H-azepin-1-yl)methanone chemical structure, C19H21NO, CAS 314282-98-9](/s/ROFXWDXZMUQQSV-UHFFFAOYSA-N.svg)
[1,1'-Biphenyl]-4-yl(hexahydro-1H-azepin-1-yl)methanone
CAS 314282-98-9C19H21NO
![3,4-Dihydroisoquinolin-2(1H)-yl[4-(propan-2-yl)phenyl]methanone chemical structure, C19H21NO, CAS 557778-30-0](/s/GJVMRUJAXDZVLS-UHFFFAOYSA-N.svg)
3,4-Dihydroisoquinolin-2(1H)-yl[4-(propan-2-yl)phenyl]methanone
CAS 557778-30-0C19H21NO
(E)-N-(2-Ethyl-6-methylphenyl)-2-methyl-3-phenylprop-2-enamide
CAS 587845-57-6C19H21NO
3-Ethyl-1-(4-methylphenyl)-3-phenylpyrrolidin-2-one
CAS 70872-85-4C19H21NO
![2-[(E)-Cyclohexylmethylidene]-2,3,4,9-tetrahydro-1H-carbazol-1-one chemical structure, C19H21NO, CAS 866138-44-5](/s/GWTFQBDFGBSFMC-WYMLVPIESA-N.svg)
2-[(E)-Cyclohexylmethylidene]-2,3,4,9-tetrahydro-1H-carbazol-1-one
CAS 866138-44-5C19H21NO
![1-{4-[1-(4-Methoxyphenyl)ethenyl]phenyl}pyrrolidine chemical structure, C19H21NO, CAS 110811-84-2](/s/OYZGSKYIBBGVTO-UHFFFAOYSA-N.svg)
1-{4-[1-(4-Methoxyphenyl)ethenyl]phenyl}pyrrolidine
CAS 110811-84-2C19H21NO
2-(2-(Benzyloxy)-5-(tert-butyl)phenyl)acetonitrile
CAS 1246213-26-2C19H21NO
N-9H-Fluoren-2-yl-3,3-dimethylbutanamide
CAS 60550-94-9C19H21NO
4-Amino-5-(phenanthren-9-yl)pentan-1-ol
CAS 19893-74-4C19H21NO
1-(Anthracen-9-ylmethylamino)butan-2-ol
CAS 7467-68-7C19H21NO
N-Cyclohexyl 3-phenylbenzamide
CAS 620937-65-7C19H21NO
(E)-3-Phenyl-N-(1-phenylbutan-2-yl)prop-2-enamide
CAS 351188-48-2C19H21NO
![1-(4-Ethylphenyl)-3-[(4-methylbenzyl)amino]-2-propen-1-one chemical structure, C19H21NO, CAS 444101-22-8](/s/RYTISKBGMJKILY-OUKQBFOZSA-N.svg)
1-(4-Ethylphenyl)-3-[(4-methylbenzyl)amino]-2-propen-1-one
CAS 444101-22-8C19H21NO
2-(Dibenzylamino)cyclopentanone
CAS 68543-47-5C19H21NO
1-(2,2-Diphenylethyl)piperidin-4-one
CAS 69663-58-7C19H21NO
Phenol, 4-(2,3,4,4a,5,9b-hexahydro-1-methyl-1H-indeno(1,2-b)pyridin-5-yl)-, (4a-alpha,5-alpha,9b-alpha)-
CAS 88763-66-0C19H21NO
- N-(5-Ethyl-2-methyl-indan-2-yl)-benzamide312754-07-7C19H21NO
- 1,3-Dibenzylpiperidin-4-one188788-31-0C19H21NO
- 1-(3-Phenylpyrrolidin-1-yl)-2-(m-tolyl)ethanone1209958-90-6C19H21NO
- (2Z)-3-[4-(Diethylamino)phenyl]-1-phenylprop-2-en-1-one83318-08-5C19H21NO
- N-[4-(3,5-Dimethylphenoxy)-2-butyn-1-yl]-N-methylaniline54186-01-5C19H21NO
- 2-Methyl-5-phenyl-3,4,4a,9b-tetrahydro-1H-indeno[1,2-c]pyridin-5-ol4580-87-4C19H21NO
- 3,4-Dimethyl-N-(5,6,7,8-tetrahydronaphthalen-1-yl)benzamide690988-92-2C19H21NO
- Azepan-1-yl-(2-phenylphenyl)methanone695157-78-9C19H21NO
- 2,2-Dimethyl-6,6-diphenylpiperidin-4-one113575-47-6C19H21NO
- 2,6-Methano-4H-1,4-benzoxazocine, 3,4,5,6-tetrahydro-4-phenethyl-67293-82-7C19H21NO
- Benzo(6,7)cyclohept(1,2-b)(1,4)oxazine, 2,3,4,4a,5,6,7,11b-octahydro-2-phenyl-, (E)-105124-34-3C19H21NO
- (E)-N-Butan-2-yl-2,3-diphenylprop-2-enamide127055-66-7C19H21NO
- (1E,3Z,5Z,7Z)-2-(Diethylamino)-3-methyltricyclo[6.5.1.011,14]tetradeca-1,3,5,7,11(14),12-hexaen-10-one83026-60-2C19H21NO
- 2-Piperidinone, 3-(4-methylphenyl)-1-(phenylmethyl)-597553-85-0C19H21NO
- 3,4-Dimethyl-N-(1,2,3,4-tetrahydro-1-naphthalenyl)benzamide723256-70-0C19H21NO
- 1'-Methyl-3-phenylspiro[isobenzofuran-1(3H),4'-piperidine]59142-29-9C19H21NO
- 3-[1-(2-Phenylethyl)-1,2,5,6-tetrahydropyridin-3-yl]phenol83010-49-5C19H21NO
- 1-Benzyl-4-benzoylpiperidine88796-11-6C19H21NO
- N-(2,3-Dihydro-1H-inden-2-yl)-N-propylbenzamide192569-86-1C19H21NO
- 4-(4-Benzylpiperidin-1-yl)benzaldehyde1098353-09-3C19H21NO
- N-Cyclopentyl-N,2-diphenylacetamide1269152-49-9C19H21NO
- 3-Propyl-1-p-tolyl-3,4-dihydro-1H-quinolin-2-one792122-73-7C19H21NO
- 1-(4-Methylphenyl)-3-(propan-2-yl)-3,4-dihydroquinolin-2(1H)-one792122-75-9C19H21NO
- 2-((Dibenzylamino)methyl)cyclobutan-1-one2180982-55-0C19H21NO
- (5-Benzhydryl-5-azaspiro[2.3]hexan-1-yl)methanol2659313-35-4C19H21NO
- 4-(9H-Fluoren-9-yl)-1-methylpiperidin-4-ol94310-68-6C19H21NO
- 1-Methyl-5,5-diphenylazepan-4-one6636-28-8C19H21NO
- 2,4-Dimethyl-N-(5,6,7,8-tetrahydronaphthalen-1-yl)benzamide701237-63-0C19H21NO
- (E)-3-(3,4-Dimethylanilino)-1-(4-ethylphenyl)prop-2-en-1-one444651-68-7C19H21NO
- 2-Propenamide, 3-phenyl-N-(4-phenylbutyl)-, (2E)-193219-33-9C19H21NO
- 5-Methyl-4-[[(E)-3-phenylprop-2-enylidene]amino]-2-propan-2-ylphenol7355-30-8C19H21NO
- Doxepin-d3131060-80-5C19H21NO
- 1-Benzyl-5-(4-methoxyphenyl)-1,2,3,6-tetrahydropyridine1801349-97-2C19H21NO
- 3-(tert-Butylamino)-1,3-diphenylprop-2-en-1-one125032-53-3C19H21NO
- 2-(6-Methoxy-3,3-dimethyl-3,4-dihydronaphthalen-2-yl)phenylamine722520-17-4C19H21NO
- N-[1-(4-Ethylphenyl)ethyl]-2-benzofuranmethanamine1152965-66-6C19H21NO
- 7-(Benzyloxy)-2,2,4-trimethyl-1,2-dihydroquinoline503832-32-4C19H21NO
- 1-[(2'-Methylbiphenyl-3-yl)methyl]piperidin-4-one1011732-04-9C19H21NO
- 5-Benzyloxy-6-isopropyl-3-methyl-1H-indole865305-22-2C19H21NO
- Phenyl[1-(phenylmethyl)-3-piperidinyl]methanone1057129-88-0C19H21NO
- (1S,2S)-2-((Diphenylmethylene)amino)cyclohexanol1859083-76-3C19H21NO
- 1-(Cyclopropylmethyl)-2-[(4-phenylphenoxy)methyl]aziridine2418723-50-7C19H21NO
- 1-(Cyclopropylmethyl)-2-[(3-phenylphenoxy)methyl]aziridine2418643-67-9C19H21NO
- N-(Butan-2-yl)-2,3-diphenylprop-2-enamide97871-58-4C19H21NO
- 1-(Phenylmethyl)-1H-indole-3-butanol163631-03-6C19H21NO
- 2-Propenamide, N,N-bis[(1R)-1-phenylethyl]-364782-99-0C19H21NO
- 2-Azetidinone, 3-butyl-1,4-diphenyl-, trans-62500-41-8C19H21NO
- 1-(1-Benzyl-5-phenylpyrrolidin-3-yl)ethanone69917-69-7C19H21NO
- 1-((9H-Fluoren-9-yl)methyl)piperidin-4-ol88754-46-5C19H21NO
- 2-((Diphenylamino)methyl)cyclohexanone140679-52-3C19H21NO
- N-[4-(4-Methyl-5,6,7,8-tetrahydronaphthalen-2-yl)phenyl]acetamide918875-57-7C19H21NO
- 4-Isocyanato-3,5-bis(1-methylethyl)biphenyl210827-15-9C19H21NO
- 1-(4-Cyclohexylphenyl)-2-(pyridin-4-yl)ethan-1-one252198-96-2C19H21NO
- 2-[4-(tert-Butyl)phenyl]-5-methoxy-1H-indole906780-54-9C19H21NO
- 5-tert-Butyl-2-[(3-methylphenyl)methyl]-1,3-benzoxazole1260741-01-2C19H21NO
- 4-{2-[4-(Diethylamino)phenyl]ethenyl}benzaldehyde90312-42-8C19H21NO
- 2-Methyl-3-[methyl(2-phenylethyl)amino]-2,3-dihydro-1H-inden-1-one61190-82-7C19H21NO
- Protriptyline-10,11-epoxide55698-64-1C19H21NO
- 4-(1,3-Diphenylprop-2-en-1-yl)morpholine201852-22-4C19H21NO
- 2-(2,2-Dimethyl-1-phenylpropyl)-4-methoxybenzonitrile936746-32-6C19H21NO
- 5-(1-[1,1'-Biphenyl]-4-yl-1-methylethyl)-2-pyrrolidinone1383029-32-0C19H21NO
- 2-[1-(Diphenylmethyl)-3-azetidinylidene]-1-propanol1160945-87-8C19H21NO
- 1-(4,4-Dimethyl-6-phenyl-1,2,3,4-tetrahydro-quinolin-7-yl)-ethanone1254928-81-8C19H21NO
- 1,3-Diphenyl-3-(pyrrolidin-1-yl)propan-1-one666736-34-1C19H21NO
- (4-(1-Butyl-1H-indol-2-yl)phenyl)methanol88561-12-0C19H21NO
- 1-[1-(4-Methoxyphenyl)-2-phenylethenyl]pyrrolidine912339-22-1C19H21NO
- 3-{[4-(Benzyloxy)phenyl]methylidene}piperidine1177494-26-6C19H21NO
- N-Cyclopropyl-4-[(3-phenyl-2-propen-1-yl)oxy]benzenemethanamine1216330-10-7C19H21NO
- 2-Methyl-2-{4'-[(propan-2-yl)oxy][1,1'-biphenyl]-4-yl}propanenitrile1226067-37-3C19H21NO
- (2S)-1,2-Dibenzylpiperidin-4-one1346773-47-4C19H21NO
- 5-(tert-Butyl)-2-(4-methoxyphenyl)-1H-indole906771-52-6C19H21NO
- N-(3-Phenylsalicylidene)-cyclohexylamine133214-14-9C19H21NO
- 5-(Diphenylmethylene)-1-methyl-3-piperidinol38900-08-2C19H21NO
- 1-Benzyl-2-[(4-methoxyphenyl)methyl]-2,5-dihydro-1H-pyrrole22050-81-3C19H21NO
- 1-{9-[(2S)-2-Methylbutyl]-9H-carbazol-2-yl}ethan-1-one60206-37-3C19H21NO
- 3-(Diethylamino)-1,3-diphenylprop-2-en-1-one5443-62-9C19H21NO
Frequently asked questions
What is the molar mass of C19H21NO?
The molar mass of C19H21NO is 279.38 g/mol, calculated from standard atomic weights for 19 carbon atoms, 21 hydrogen atoms, 1 nitrogen atom and 1 oxygen atom. The monoisotopic mass is 282.1811 Da.
How many compounds have the formula C19H21NO?
CompoundList lists 250 compounds with the molecular formula C19H21NO, including 1'-Benzyl-3H-spiro[2-benzofuran-1,4'-piperidine], 2-(Piperidinomethyl)benzophenone, 3-(Piperidinomethyl)benzophenone. 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 C19H21NO?
C19H21NO 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.