Molecular formula
C21H19NO2
156 compounds have this formula on CompoundList.
- Molar mass
- 317.39g/mol
- Monoisotopic mass
- 317.1416Da
- Atoms
- 43
- Elements
- 4
- Rings plus double bonds
- 13
The formula C21H19NO2 describes a molecule made of 21 carbon atoms, 19 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 × 2179.47%12.011 × 21 = 252.231 g/mol
- H Hydrogen × 196.03%1.008 × 19 = 19.152 g/mol
- N Nitrogen × 14.41%14.007 × 1 = 14.007 g/mol
- O Oxygen × 210.08%15.999 × 2 = 31.998 g/mol
Look up another formula
Compounds with the formula C21H19NO2
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 100 of 156 compounds
Benflurone
CAS 78250-23-4C21H19NO2
![N-(4-Methoxybenzyl)[1,1'-biphenyl]-4-carboxamide chemical structure, C21H19NO2, CAS 287945-52-2](/s/WEAABOAXWGOJPX-UHFFFAOYSA-N.svg)
N-(4-Methoxybenzyl)[1,1'-biphenyl]-4-carboxamide
CAS 287945-52-2C21H19NO2
2-(2-Methoxyphenyl)-N-(2-phenylphenyl)acetamide
CAS 690647-69-9C21H19NO2
2-(2-Methylphenoxy)-N-(2-phenylphenyl)acetamide
CAS 424817-24-3C21H19NO2
1-(1-Benzyl-2-methyl-5-prop-2-ynoxyindol-3-yl)ethanone
CAS 552284-22-7C21H19NO2
1-(4-Methoxyphenyl)-2-phenyl-1,5,6,7-tetrahydro-4H-indol-4-one
CAS 51495-00-2C21H19NO2
N-(2-Phenoxyphenyl)-2-phenylpropanamide
CAS 690969-44-9C21H19NO2
N-(2-Methoxyphenyl)-2-(4-phenylphenyl)acetamide
CAS 848373-60-4C21H19NO2
2-Ethoxy-N-(2-phenylphenyl)benzamide
CAS 692770-65-3C21H19NO2
N-(2-Ethoxyphenyl)-2-phenylbenzamide
CAS 695156-35-5C21H19NO2
![N-[(3-Methoxyphenyl)methyl]-2-phenylbenzamide chemical structure, C21H19NO2, CAS 1007746-16-8](/s/VCJOPDCSGNIGEG-UHFFFAOYSA-N.svg)
N-[(3-Methoxyphenyl)methyl]-2-phenylbenzamide
CAS 1007746-16-8C21H19NO2
N-(2-Hydroxy-4-methylphenyl)-2,2-diphenylacetamide
CAS 560064-98-4C21H19NO2
N-(4-Methoxyphenyl)-2,2-diphenylacetamide
CAS 23105-44-4C21H19NO2
3-(2-(Benzyloxy)phenyl)-1-(pyridin-2-yl)propan-1-one
CAS 393541-04-3C21H19NO2
4,7-Diphenyl-1,3,4,6,7,8-hexahydroquinoline-2,5-dione
CAS 372171-83-0C21H19NO2
Benzamide, N-(diphenylmethyl)-4-methoxy-
CAS 69790-46-1C21H19NO2
O-Benzoyl-N,N-dibenzylhydroxylamine
CAS 52742-32-2C21H19NO2
3-Hydroxy-n,3,3-triphenylpropanamide
CAS 4198-16-7C21H19NO2
![2-Methyl-N-[4-(4-methylphenoxy)phenyl]benzamide chemical structure, C21H19NO2, CAS 433237-79-7](/s/BOBDKFBTNMDFBX-UHFFFAOYSA-N.svg)
2-Methyl-N-[4-(4-methylphenoxy)phenyl]benzamide
CAS 433237-79-7C21H19NO2
N-(3-Methoxyphenyl)-2,2-diphenylacetamide
CAS 331270-75-8C21H19NO2
N-(Furan-2-ylmethyl)-2,2-diphenylcyclopropane-1-carboxamide
CAS 309939-21-7C21H19NO2
N-(2-Hydroxy-5-methylphenyl)-2,2-diphenylacetamide
CAS 352645-11-5C21H19NO2
![[(3R,5S)-2-Methyl-3-(pyren-1-yl)-1,2-oxazolidin-5-yl]methanol chemical structure, C21H19NO2, CAS 887403-16-9](/s/IAMQUNXMKDLHBY-QFBILLFUSA-N.svg)
[(3R,5S)-2-Methyl-3-(pyren-1-yl)-1,2-oxazolidin-5-yl]methanol
CAS 887403-16-9C21H19NO2
2-(4-Methoxyanilino)-1,2-diphenylethan-1-one
CAS 19339-72-1C21H19NO2
- 1 suppliersN-Tritylglycine5893-05-0C21H19NO2
- N-Phenethyl-4-phenoxybenzamide329920-36-7C21H19NO2
- 4-(Dibenzylamino)benzoic acid71275-35-9C21H19NO2
- N-Benzyl-2-(benzyloxy)benzamide881227-12-9C21H19NO2
- 3-Cyclohexa-1,5-dienyl-1-(3,4-dihydro-2H-1-oxa-9-aza-anthracen-6-yl)-propan-1-one409345-79-5C21H19NO2
- 1-Benzyl-4-(benzyloxy)-3-vinylpyridin-2(1H)-one586373-14-0C21H19NO2
- Hydracrylamide, 2,3,3-triphenyl-10425-33-9C21H19NO2
- 4-(3-Ethoxyphenyl)-3,4-dihydrobenzo[h]quinolin-2(1H)-one329073-21-4C21H19NO2
- 4,4'-(3-Amino-2-phenylprop-1-ene-1,1-diyl)diphenol66422-11-5C21H19NO2
- N-Benzyl-N-methyl-4-phenoxybenzamide796050-78-7C21H19NO2
- N-Benzyl-2-hydroxy-2,2-diphenylacetamide13415-45-7C21H19NO2
- 3,4-Dihydro-2H-quinolin-1-yl-(6-methoxynaphthalen-2-yl)methanone881589-71-5C21H19NO2
- N-(4-Phenoxyphenyl)-3-phenylpropanamide308300-35-8C21H19NO2
- N-(4-Ethoxyphenyl)-3-(1-naphthyl)acrylamide327065-01-0C21H19NO2
- N-(2-Ethoxyphenyl)[1,1'-biphenyl]-4-carboxamide349399-07-1C21H19NO2
- N-Benzhydryl-3-methoxybenzamide328931-59-5C21H19NO2
- 3-Ethoxy-N-(2-phenylphenyl)benzamide6086-26-6C21H19NO2
- N-Benzyl-4-(benzyloxy)benzamide425655-13-6C21H19NO2
- (2E)-3-(2H-Chromen-3-yl)-1-(3,4-dihydroquinolin-1(2H)-yl)prop-2-en-1-one887347-38-8C21H19NO2
- N-(2-Hydroxy-2,2-diphenylethyl)benzamide55275-59-7C21H19NO2
- 2-[Hydroxy(diphenyl)methyl]-N-methylbenzene-1-carboximidato23659-57-6C21H19NO2
- 2-((3',5'-Dimethyl(1,1'-biphenyl)-3-yl)amino)benzoic acid783325-75-7C21H19NO2
- 2-(4-Methoxyphenyl)-1-phenyl-1,5,6,7-tetrahydro-4H-indol-4-one76410-25-8C21H19NO2
- 2-(4-Methoxyphenyl)-1-phenyl-2-(phenylamino)ethanone6338-31-4C21H19NO2
- 4-[(4-Methylphenoxy)methyl]-N-phenylbenzamide339253-56-4C21H19NO2
- N-(3-Methoxyphenyl)-2-(4-phenylphenyl)acetamide610266-87-0C21H19NO2
- 2(1H)-Pyridinone, 1,6-dimethyl-3-(4-methylbenzoyl)-4-phenyl-143572-55-8C21H19NO2
- 4-{[([1,1'-Biphenyl]-4-ylmethyl)amino]methyl}benzoic acid892578-83-5C21H19NO2
- [1,1'-Biphenyl]-4-acetamide, N-[(3-hydroxyphenyl)methyl]-897015-53-1C21H19NO2
- N-[4-(2-Phenylethoxy)phenyl]benzamide895353-36-3C21H19NO2
- N-(2-Methoxyphenyl)-2,2-diphenylacetamide94869-90-6C21H19NO2
- N-(2-Methylphenyl)-2-(4-phenylphenoxy)acetamide302550-68-1C21H19NO2
- 3,4-Dimethyl-N-(2-phenoxyphenyl)benzamide546096-39-3C21H19NO2
- N-[(4-Methoxyphenyl)methyl]-2-phenylbenzamide667868-16-8C21H19NO2
- N-Benzhydryl-2-methoxybenzamide94869-92-8C21H19NO2
- 3,5-Dimethylphenyl diphenylcarbamate825608-25-1C21H19NO2
- (2E,4E)-N-[3-[(E)-3-Oxo-3-phenylprop-1-enyl]phenyl]hexa-2,4-dienamide352217-25-5C21H19NO2
- (1R,5S)-8-Azabicyclo[3.2.1]oct-2-en-8-yl(9H-xanthen-9-yl)methanone1797096-34-4C21H19NO2
- 2-(9H-Fluoren-2-yl)hexahydro-1H-isoindole-1,3(2H)-dione6341-14-6C21H19NO2
- 2-(4-Methoxyphenyl)-N,N-diphenylacetamide349403-53-8C21H19NO2
- N-(2,5-Dimethylphenyl)-2-phenoxybenzamide349413-52-1C21H19NO2
- (E)-3-(2-Ethoxyphenyl)-1-(4-pyrrol-1-ylphenyl)prop-2-en-1-one551930-67-7C21H19NO2
- Naphthalen-2-yl(2-phenylmorpholino)methanone946234-26-0C21H19NO2
- N-((1-Hydroxy-2,3-dihydro-1H-inden-1-yl)methyl)-1-naphthamide1396870-43-1C21H19NO2
- (1,3-Dimethyl-1H-naphtho[1,2-e][1,3]oxazin-2(3H)-yl)(phenyl)methanone6640-41-1C21H19NO2
- (5,5-Dimethyl-6H-benzo[c]acridin-7-yl) acetate22776-62-1C21H19NO2
- N-[4-(3-Methylphenoxy)phenyl]-2-phenylacetamide432525-61-6C21H19NO2
- N-[4-(4-Methylphenoxy)phenyl]-2-phenylacetamide432503-90-7C21H19NO2
- N-(2-Methoxy-5-methylphenyl)biphenyl-4-carboxamide349122-34-5C21H19NO2
- Benzamide, N-(4-methoxyphenyl)-2-(phenylmethyl)-90292-82-3C21H19NO2
- 3-[4-(Diphenylamino)phenyl]propanoic acid25069-75-4C21H19NO2
- 4-(Biphenyl-4-yl)-DL-phenylalanine1946843-02-2C21H19NO2
- 1H-Indole-1-carboxylic acid,5-(phenylethynyl)-,1,1-dimethylethyl ester374818-67-4C21H19NO2
- (9H-Fluoren-9-yl)methyl N-(3-ethynylcyclobutyl)carbamate2770452-07-6C21H19NO2
- 3-Hydroxy-N-(5,6,7,8-tetrahydronaphthalen-1-yl)naphthalene-2-carboxamide6266-55-3C21H19NO2
- 3-Hydroxy-N,2,3-triphenylpropanimidic acid13143-90-3C21H19NO2
- 4-Methyl-N-[4-(3-methylphenoxy)phenyl]benzamide667408-38-0C21H19NO2
- 2-Methyl-N-[4-(3-methylphenoxy)phenyl]benzamide432536-31-7C21H19NO2
- N-(2,5-Dimethylphenyl)-4-phenoxybenzamide476298-06-3C21H19NO2
- N-(3-Ethoxyphenyl)[1,1'-biphenyl]-4-carboxamide723743-42-8C21H19NO2
- 2,5-Diphenylhexahydro-1H-4,7-methanoisoindole-1,3(2H)-dione1005061-76-6C21H19NO2
- N-(1,2-Dihydroacenaphthylen-5-yl)-2-(4-methoxyphenyl)acetamide923506-89-2C21H19NO2
- (3Z)-3-Hydroxyimino-1,1,3-triphenylpropan-1-ol60579-10-4C21H19NO2
- Isoxazole, 4,5-dihydro-5-(4-methoxyphenyl)-5-methyl-3-(1-naphthalenyl)-653601-95-7C21H19NO2
- Isoxazole, 4,5-dihydro-5-(4-methoxyphenyl)-5-methyl-3-(2-naphthalenyl)-653601-89-9C21H19NO2
- [1,1'-Biphenyl]-4-carboxylic acid, 3',5'-dimethyl-3-(phenylamino)-884323-18-6C21H19NO2
- N-(2-Hydroxy-1,2-diphenylethyl)benzamide66166-17-4C21H19NO2
- 4-[Bis(4-methylphenyl)amino]benzoic acid464190-56-5C21H19NO2
- 2-(Dibenzylamino)benzoic acid71275-33-7C21H19NO2
- 4-(Biphenyl-4-yl)-L-phenylalanine1451156-16-3C21H19NO2
- 3-Methyl-2-oxo-3-[4-(2-phenylethynyl)phenyl]-1-pyrrolidineacetaldehyde864658-24-2C21H19NO2
- N-[(2,3-Dihydro-1-benzofuran-3-yl)methyl]-2-(naphthalen-1-yl)acetamide2097924-80-4C21H19NO2
- 1-(Cyclopropylmethyl)-3-(4-methylbenzoyl)-1,4-dihydroquinolin-4-one2640971-48-6C21H19NO2
- Benzoic acid, 4-(((4-methylphenyl)phenylmethyl)amino)-72417-91-5C21H19NO2
- 1H-Isoindole-1,3(2H)-dione, 4,5,6,7-tetrahydro-2-(4-(phenylmethyl)phenyl)-76995-56-7C21H19NO2
- Benzamide, o-(2-hydroxy-2,2-diphenylethyl)-23966-58-7C21H19NO2
Frequently asked questions
What is the molar mass of C21H19NO2?
The molar mass of C21H19NO2 is 317.39 g/mol, calculated from standard atomic weights for 21 carbon atoms, 19 hydrogen atoms, 1 nitrogen atom and 2 oxygen atoms. The monoisotopic mass is 317.1416 Da.
How many compounds have the formula C21H19NO2?
CompoundList lists 156 compounds with the molecular formula C21H19NO2, including Benflurone, N-(4-Methoxybenzyl)[1,1'-biphenyl]-4-carboxamide, 2-(2-Methoxyphenyl)-N-(2-phenylphenyl)acetamide. 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 C21H19NO2?
C21H19NO2 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.