Molecular formula
C21H19NO
114 compounds have this formula on CompoundList.
- Molar mass
- 301.39g/mol
- Monoisotopic mass
- 304.1655Da
- Atoms
- 42
- Elements
- 4
- Rings plus double bonds
- 13
The formula C21H19NO describes a molecule made of 21 carbon atoms, 19 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 × 2183.69%12.011 × 21 = 252.231 g/mol
- H Hydrogen × 196.35%1.008 × 19 = 19.152 g/mol
- N Nitrogen × 14.65%14.007 × 1 = 14.007 g/mol
- O Oxygen × 15.31%15.999 × 1 = 15.999 g/mol
Look up another formula
Compounds with the formula C21H19NO
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 100 of 114 compounds
N,N-Dibenzylbenzamide
CAS 23825-35-6C21H19NO
4-(Bis(p-tolyl)amino)benzaldehyde
CAS 42906-19-4C21H19NO
N-Phenyl-2-(2-phenylethyl)benzamide
CAS 304674-02-0C21H19NO
N-Benzyl-2,2-diphenylacetamide
CAS 5022-26-4C21H19NO
N-Benzyl-2-(4-phenylphenyl)acetamide
CAS 851298-38-9C21H19NO
2,2-Diphenyl-N-P-tolyl-acetamide
CAS 4107-01-1C21H19NO
1-(1-Naphthylacetyl)-1,2,3,4-tetrahydroquinoline
CAS 581782-02-7C21H19NO
N-(3,4-Dimethylphenyl)-3-(1-naphthyl)acrylamide
CAS 328026-72-8C21H19NO
3-(4-(Dimethylamino)phenyl)-1'-acrylonaphthone
CAS 23489-63-6C21H19NO
Acetophenone, 2-phenyl-2-(4-methylphenylamino)
CAS 78604-82-7C21H19NO
3-Anilino-1,3-diphenylpropan-1-one
CAS 5316-82-5C21H19NO
n,2,3-Triphenylpropanamide
CAS 3210-15-9C21H19NO
![4-Ethoxyspiro[cyclohex-3-ene-1,9'-fluorene]-3-carbonitrile chemical structure, C21H19NO, CAS 6629-88-5](/s/RRJPFYHXJAJFKQ-UHFFFAOYSA-N.svg)
4-Ethoxyspiro[cyclohex-3-ene-1,9'-fluorene]-3-carbonitrile
CAS 6629-88-5C21H19NO
N-(4-Benzyloxybenzylidene)-P-toluidine
CAS 70627-48-4C21H19NO
(Z)-N-(3,4-Dimethylphenyl)-3-naphthalen-1-ylprop-2-enamide
C21H19NO
![N-Ethyl-N-phenyl[1,1'-biphenyl]-4-carboxamide chemical structure, C21H19NO, CAS 331274-44-3](/s/UPIVAPDWRPVQCE-UHFFFAOYSA-N.svg)
N-Ethyl-N-phenyl[1,1'-biphenyl]-4-carboxamide
CAS 331274-44-3C21H19NO
![N-(2-Ethylphenyl)[1,1'-biphenyl]-4-carboxamide chemical structure, C21H19NO, CAS 331429-87-9](/s/OPYUXUKDRZAIFV-UHFFFAOYSA-N.svg)
N-(2-Ethylphenyl)[1,1'-biphenyl]-4-carboxamide
CAS 331429-87-9C21H19NO
![N-(2-Phenylethyl)[1,1'-biphenyl]-4-carboxamide chemical structure, C21H19NO, CAS 38925-75-6](/s/LJGYYUBFRPFKIT-UHFFFAOYSA-N.svg)
N-(2-Phenylethyl)[1,1'-biphenyl]-4-carboxamide
CAS 38925-75-6C21H19NO
N-(3,4-Dimethylphenyl)-3-naphthalen-1-ylprop-2-enamide
C21H19NO
3-(1-Naphthyl)-N-(1-phenylethyl)acrylamide
CAS 327064-79-9C21H19NO
1(2H)-Acridinone, 3,4-dihydro-3,3-dimethyl-9-phenyl-
CAS 17282-85-8C21H19NO
6,7-Diphenyl-2,3-dihydro-1H-pyrrolizin-5-yl-acetaldehyde
CAS 105378-65-2C21H19NO
Cyprolidol
CAS 4904-00-1C21H19NO
Cyclopropanemethanol, alpha,alpha-diphenyl-2-(4-pyridyl)-, hydrochloride
CAS 7433-09-2C21H19NO
- N-((4-Methoxyphenyl)(phenyl)methylene)-4-methylaniline13404-92-7C21H19NO
- 3-(3-Phenyl-1-benzofuran-2-yl)-1-azabicyclo[2.2.2]oct-2-ene742677-58-3C21H19NO
- 4-(6-Methoxy-3-methyl-3,4-dihydronaphthalen-2-yl)isoquinoline1050646-76-8C21H19NO
- 4-(Di-m-tolyl-amino)-benzaldehyde332411-18-4C21H19NO
- N-(2,5-Dimethylphenyl)-4-biphenylcarboxamide312718-46-0C21H19NO
- 4-Phenyl-N-(1-phenylethyl)benzamide116368-44-6C21H19NO
- N,3,3-triphenylpropanamide7474-18-2C21H19NO
- N-(4-Methylbenzyl)biphenyl-4-carboxamide333350-83-7C21H19NO
- N-(4-Ethylphenyl)[1,1'-biphenyl]-4-carboxamide349399-14-0C21H19NO
- 4-(4-Ethylphenyl)-3,4-dihydrobenzo[h]quinolin-2(1H)-one314046-80-5C21H19NO
- 4-(Dibenzylamino)benzaldehyde3748-17-2C21H19NO
- N-Benzyl-N-methyl-4-phenylbenzamide333350-81-5C21H19NO
- N-(2,6-Dimethylphenyl)[1,1'-biphenyl]-4-carboxamide332146-65-3C21H19NO
- N-(3,4-Dimethylphenyl)[1,1'-biphenyl]-4-carboxamide349637-23-6C21H19NO
- N-(2,4-Dimethylphenyl)[1,1'-biphenyl]-4-carboxamide349637-29-2C21H19NO
- N-Benzyl-4-methyl-N-phenylbenzamide302949-32-2C21H19NO
- N-(2-Methylphenyl)-2,2-diphenylacetamide94869-71-3C21H19NO
- 3-[4-(Dimethylamino)phenyl]-1-(2-naphthyl)prop-2-en-1-one104765-78-8C21H19NO
- 3,3-Diphenyl-2-(1-phenylethyl)-1,2-oxaziridine64954-02-5C21H19NO
- N-(Triphenylmethyl)acetamide1596-25-4C21H19NO
- N-(3-Ethylphenyl)[1,1'-biphenyl]-4-carboxamide544420-67-9C21H19NO
- N-Benzhydryl-2-methylbenzamide10254-11-2C21H19NO
- 3-Methyl-9-(phenylmethoxymethyl)carbazole82434-74-0C21H19NO
- N-Benzyl-2-(3-phenylphenyl)acetamide1131604-78-8C21H19NO
- N-(3-Methylphenyl)-1-(4-phenylmethoxyphenyl)methanimine5275-65-0C21H19NO
- 1-(4-Methylphenyl)-2-phenyl-1,5,6,7-tetrahydro-4H-indol-4-one83558-06-9C21H19NO
- N-(2,4-Dimethylphenyl)-3-(1-naphthyl)acrylamide328026-82-0C21H19NO
- Naphthalen-1-yl(3-phenylpyrrolidin-1-yl)methanone1207042-96-3C21H19NO
- N-(2,2-Diphenylethyl)benzamide77198-90-4C21H19NO
- 2,3,5-Triphenyl-1,2-oxazolidine13787-96-7C21H19NO
- Acetamide, N-phenyl-N-[2-(phenylmethyl)phenyl]-52812-81-4C21H19NO
- N-(2,3-Dimethylphenyl)-2-phenylbenzamide723741-63-7C21H19NO
- N-(5,6,7,8-Tetrahydronaphthalen-1-yl)naphthalene-2-carboxamide415694-40-5C21H19NO
- N-(2-(1H-Inden-3-yl)-1H-inden-3-yl)propanamide551930-58-6C21H19NO
- N-(1,1-Diphenylethyl)benzamide64589-06-6C21H19NO
- 2-Propen-1-one, 3-[4-(dimethylamino)phenyl]-1-(2-naphthalenyl)-57221-72-4C21H19NO
- Benzamide, N-(4-methylphenyl)-2-(phenylmethyl)-90292-81-2C21H19NO
- Benzamide, N,2-bis(phenylmethyl)-90292-80-1C21H19NO
- Benzaldehyde, 4-[(2,4-dimethylphenyl)phenylamino]-94788-29-1C21H19NO
- Benzyl-(9H-xanthen-9-ylmethyl)-amine914260-24-5C21H19NO
- 9-[(4-Methoxyphenyl)methyl]-9,10-dihydroacridine60027-69-2C21H19NO
- 9-[(3-Methoxyphenyl)methyl]-9,10-dihydroacridine60027-71-6C21H19NO
- N-[3-(1-Phenylethyl)phenyl]benzamide7476-77-9C21H19NO
- 3-Benzyl-6-phenyl-3,4-dihydro-2H-1,3-benzoxazine7387-60-2C21H19NO
- (E)-N-([1,1'-Biphenyl]-4-yl)-1-(4-ethoxyphenyl)methanimine89046-18-4C21H19NO
- 1,3Z,5Z,7E-Tetraen-9-one65493-04-1C21H19NO
- 3,5-Bis[4-(prop-2-en-1-yl)phenyl]-1,2-oxazole201487-42-5C21H19NO
- 5-Benzyl-10-hydroxy-10,11-dihydro-5H-dibenz[b,f]azepine-d31184982-52-2C21H19NO
- 3-(Di-p-tolylamino)benzaldehyde287937-02-4C21H19NO
- N-([1,1a(2)-Biphenyl]-4-ylmethylene)-4-methoxybenzenemethanamine118578-73-7C21H19NO
- N-(4-Isopropylphenyl)dibenzo[b,d]furan-4-amine1252914-26-3C21H19NO
- N-(1,2-Dihydroacenaphthylen-5-yl)-2,4-dimethylbenzamide672322-33-7C21H19NO
- 3-([1,1'-Biphenyl]-4-yl)-1-phenylazetidin-3-ol62082-47-7C21H19NO
- N,N-Bis(4-methylphenyl)benzamide87995-57-1C21H19NO
- 9-[4-(Dimethylamino)phenyl]-9H-fluoren-9-ol113493-36-0C21H19NO
- 6-(4-Methoxyphenyl)-1,4-dimethyl-9H-carbazole900015-04-5C21H19NO
- 4,4-Diphenyl-1-(2-pyridinyl)-1-butanone95188-19-5C21H19NO
- 1-[4-(Diphenylamino)phenyl]-1-propanone1228926-76-8C21H19NO
- 9-Benzyl-3-(methoxymethyl)-9H-carbazole481695-78-7C21H19NO
- 10,11-Dihydro-5-(2-pyridinylmethyl)-5H-dibenzo[a,d]cyclohepten-5-ol5053-90-7C21H19NO
- 1-[2-(Diphenylamino)phenyl]-1-propanone1228926-11-1C21H19NO
- 4-(Diphenylmethyl)-N-methylbenzamide283589-40-2C21H19NO
- N-Phenyl-N-(1-phenylethyl)benzamide164225-93-8C21H19NO
- 2-(2-(9H-Carbazol-9-yl)phenyl)propan-2-ol73183-77-4C21H19NO
- (2R,4R)-N,2-Diphenyl-3,4-dihydro-2H-1-benzopyran-4-amine88214-64-6C21H19NO
- (2R,3S)-1-(4-Methoxyphenyl)-2,3-diphenylaziridine34310-79-7C21H19NO
- N-Benzyl-6-methyl-2H-naphtho[1,2-b]pyran-2-amine88988-98-1C21H19NO
- 5-[3-(Benzyloxy)phenyl]indoline893735-42-7C21H19NO
- 5-[2-(Benzyloxy)phenyl]indoline893735-69-8C21H19NO
- 4-(1-Ethylquinolin-2(1H)-ylidene)-1-phenylbut-2-en-1-one53704-24-8C21H19NO
- 4-(1-Ethylquinolin-2-ylidene)-1-phenylbut-2-en-1-oneC21H19NO
- 5-tert-Butyl-2-naphthalen-2-yl-1,3-benzoxazole95888-07-6C21H19NO
- 3-[(1,4-Dimethyl-9H-carbazol-9-yl)methyl]phenol138119-05-8C21H19NO
- 2-Methyl-N-[(pyren-1-yl)methyl]propanamide144084-30-0C21H19NO
- (6-Methyl-3,4-dihydrobenzo[h]quinolin-1(2H)-yl)(phenyl)methanone31485-94-6C21H19NO
- 3-(4-Ethyl-5-phenyl-1H-pyrrol-2-yl)-1-phenylprop-2-en-1-one389087-24-5C21H19NO
Frequently asked questions
What is the molar mass of C21H19NO?
The molar mass of C21H19NO is 301.39 g/mol, calculated from standard atomic weights for 21 carbon atoms, 19 hydrogen atoms, 1 nitrogen atom and 1 oxygen atom. The monoisotopic mass is 304.1655 Da.
How many compounds have the formula C21H19NO?
CompoundList lists 114 compounds with the molecular formula C21H19NO, including N,N-Dibenzylbenzamide, 4-(Bis(p-tolyl)amino)benzaldehyde, N-Phenyl-2-(2-phenylethyl)benzamide. 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 C21H19NO?
C21H19NO has a degree of unsaturation of 13. 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.