Molecular formula
C21H19NO3
197 compounds have this formula on CompoundList.
- Molar mass
- 333.39g/mol
- Monoisotopic mass
- 333.1365Da
- Atoms
- 44
- Elements
- 4
- Rings plus double bonds
- 13
The formula C21H19NO3 describes a molecule made of 21 carbon atoms, 19 hydrogen atoms, 1 nitrogen atom and 3 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 × 2175.66%12.011 × 21 = 252.231 g/mol
- H Hydrogen × 195.74%1.008 × 19 = 19.152 g/mol
- N Nitrogen × 14.20%14.007 × 1 = 14.007 g/mol
- O Oxygen × 314.40%15.999 × 3 = 47.997 g/mol
Look up another formula
Compounds with the formula C21H19NO3
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 101 to 197 of 197 compounds
![2-[2-(4-tert-Butylphenyl)-4-oxochromen-3-yl]oxyacetonitrile chemical structure, C21H19NO3, CAS 819836-39-0](/s/YRKSSYNPYUTKRZ-UHFFFAOYSA-N.svg)
2-[2-(4-tert-Butylphenyl)-4-oxochromen-3-yl]oxyacetonitrile
CAS 819836-39-0C21H19NO3
N-(4-Methylphenyl)-2-(4-phenoxyphenoxy)acetamide
CAS 6534-18-5C21H19NO3
4-Ethoxy-N-(2-phenoxyphenyl)benzamide
CAS 545363-37-9C21H19NO3
N-(1,2-Dihydroacenaphthylen-5-yl)-2,4-dimethoxybenzamide
CAS 313391-60-5C21H19NO3
4-Naphthalen-2-yl-4-oxo-3-pyridin-4-yl-butyric acid ethyl ester
CAS 629623-76-3C21H19NO3
Benzyl 5-amino-2-(benzyloxy)benzoate
CAS 1456632-46-4C21H19NO3
![2-[Hydroxy(4-methoxyphenyl)methyl]-N-phenylbenzamide chemical structure, C21H19NO3, CAS 65492-59-3](/s/UGCJGNVJUUOGLB-UHFFFAOYSA-N.svg)
2-[Hydroxy(4-methoxyphenyl)methyl]-N-phenylbenzamide
CAS 65492-59-3C21H19NO3
![6-Methoxy-5,5-dimethyl-6H-benzo[c]acridine-7-carboxylic acid chemical structure, C21H19NO3, CAS 71711-46-1](/s/WZMQMOLCBGNVIC-UHFFFAOYSA-N.svg)
6-Methoxy-5,5-dimethyl-6H-benzo[c]acridine-7-carboxylic acid
CAS 71711-46-1C21H19NO3
![3-Benzyl-3,4,8,9-tetrahydro-2H-cyclopenta[3,4]chromeno[8,7-e][1,3]oxazin-6(7H)-one chemical structure, C21H19NO3, CAS 849000-21-1](/s/GLPIEQFNBFSMFW-UHFFFAOYSA-N.svg)
3-Benzyl-3,4,8,9-tetrahydro-2H-cyclopenta[3,4]chromeno[8,7-e][1,3]oxazin-6(7H)-one
CAS 849000-21-1C21H19NO3
![N-[(2,4-Dimethoxyphenyl)methyl]dibenzofuran-3-amine chemical structure, C21H19NO3, CAS 775294-60-5](/s/HWQWBUJIZLGPQG-UHFFFAOYSA-N.svg)
N-[(2,4-Dimethoxyphenyl)methyl]dibenzofuran-3-amine
CAS 775294-60-5C21H19NO3
N-(3-Acetylphenyl)-3-(5-phenylfuran-2-yl)propanamide
CAS 874466-18-9C21H19NO3
N-(3-Acetylphenyl)-5-(3,4-dimethylphenyl)-2-furamide
CAS 1024270-49-2C21H19NO3
N-(3,5-Dimethoxyphenyl)biphenyl-4-carboxamide
CAS 862678-76-0C21H19NO3
![Methyl 4-[hydroxy(2-isopropenyl-4-quinolinyl)methyl]benzoate chemical structure, C21H19NO3, CAS 461665-92-9](/s/KDZVWGFPPXKTDI-UHFFFAOYSA-N.svg)
Methyl 4-[hydroxy(2-isopropenyl-4-quinolinyl)methyl]benzoate
CAS 461665-92-9C21H19NO3
Methyl 3-formyl-6-methyl-1-(4-vinylbenzyl)-1H-indole-2-carboxylate
CAS 1171520-99-2C21H19NO3
![N-[1-(Furan-2-yl)propan-2-yl]-9H-xanthene-9-carboxamide chemical structure, C21H19NO3, CAS 1219902-81-4](/s/DGXYWIMTAXDONA-UHFFFAOYSA-N.svg)
N-[1-(Furan-2-yl)propan-2-yl]-9H-xanthene-9-carboxamide
CAS 1219902-81-4C21H19NO3
5-(4-Cbz-Aminopheny)-2-methylphenol
CAS 1261917-90-1C21H19NO3
5-(4-Cbz-Aminopheny)-3-methylphenol
CAS 1261942-89-5C21H19NO3
N-((4-Hydroxychroman-4-yl)methyl)-1-naphthamide
CAS 1396751-18-0C21H19NO3
N-(2-(2,3-Dihydrobenzofuran-5-yl)-2-hydroxyethyl)-1-naphthamide
CAS 1421481-67-5C21H19NO3
![3-[(1-Formylnaphthalen-2-yl)oxymethyl]-N,N-dimethylbenzamide chemical structure, C21H19NO3, CAS 1375954-62-3](/s/QFPYCHUWOKOLJC-UHFFFAOYSA-N.svg)
3-[(1-Formylnaphthalen-2-yl)oxymethyl]-N,N-dimethylbenzamide
CAS 1375954-62-3C21H19NO3
![1'-Cinnamoyl-3H-spiro[isobenzofuran-1,4'-piperidin]-3-one chemical structure, C21H19NO3, CAS 1798415-87-8](/s/BPBMWYAUPLLRQC-ZHACJKMWSA-N.svg)
1'-Cinnamoyl-3H-spiro[isobenzofuran-1,4'-piperidin]-3-one
CAS 1798415-87-8C21H19NO3
![1'-Cinnamoyl-3H-spiro[isobenzofuran-1,3'-piperidin]-3-one chemical structure, C21H19NO3, CAS 1798414-96-6](/s/AOKTUGSAPYXONV-VAWYXSNFSA-N.svg)
1'-Cinnamoyl-3H-spiro[isobenzofuran-1,3'-piperidin]-3-one
CAS 1798414-96-6C21H19NO3
![3-Methoxy-N-[4-(2-methylphenoxy)phenyl]benzamide chemical structure, C21H19NO3, CAS 667408-48-2](/s/UJIMHSDQIFLIDG-UHFFFAOYSA-N.svg)
3-Methoxy-N-[4-(2-methylphenoxy)phenyl]benzamide
CAS 667408-48-2C21H19NO3
- Methyl 4-[[[2-(1-naphthalenyl)acetyl]amino]methyl]benzoate850604-62-5C21H19NO3
- Benzyl 2-amino-3-(benzyloxy)benzoate103929-64-2C21H19NO3
- 9-[(Phenyl)methyl]-5-carbomethoxy-1,2-dihydrocarbazol-4(3H)-one246513-43-9C21H19NO3
- N-Ethyl-2-(4-formylphenoxy)-N-(naphthalen-1-yl)acetamide1007942-12-2C21H19NO3
- N-[4-Hydroxy-3-(hydroxydiphenylmethyl)phenyl]acetamide1171245-82-1C21H19NO3
- 2,6-Bis(benzyloxy)benzamide851382-67-7C21H19NO3
- 4-[Bis(3-methoxyphenyl)amino]benzaldehyde91175-24-5C21H19NO3
- N-[1-(Furan-3-yl)propan-2-yl]-9H-xanthene-9-carboxamide1798486-44-8C21H19NO3
- 6-Phenyl-2-(2,4,6-trimethylphenoxy)pyridine-3-carboxylic acid1897428-54-4C21H19NO3
- 5-Phenyl-2-(2,4,6-trimethylphenoxy)pyridine-3-carboxylic acid1985666-09-8C21H19NO3
- 1-(1-Benzofuran-2-carbonyl)-3-(2,3-dihydro-1-benzofuran-5-yl)pyrrolidine2097896-45-0C21H19NO3
- N-[(2,3-Dihydro-1-benzofuran-3-yl)methyl]-2-(naphthalen-2-yloxy)acetamide2097858-42-7C21H19NO3
- Benzoic acid, 2-(((4-methoxyphenyl)phenylmethyl)amino)-72417-85-7C21H19NO3
- N-(4-Ethoxyphenyl)-4-phenoxybenzamide723255-51-4C21H19NO3
- 2-(4-Methylphenoxy)-N-(2-phenoxyphenyl)acetamide791843-22-6C21H19NO3
- Benzoic acid, 3-benzoyl-, 3-(1H-pyrrol-1-yl)propyl ester599199-21-0C21H19NO3
- 3-(Benzyloxy)-4-methoxy-N-phenylbenzamide58452-01-0C21H19NO3
- 5-Benzyl-9,13-dioxa-5-azatetracyclo[8.7.0.02,7.012,16]heptadeca-1(10),2(7),11,16-tetraen-8-one85878-60-0C21H19NO3
- Benzyl 2-amino-5-(benzyloxy)benzoate61340-16-7C21H19NO3
- 2,5-Bis(phenylmethoxy)benzamide106296-26-8C21H19NO3
- Methyl 2-[(2-phenoxyanilino)methyl]benzoate867252-14-0C21H19NO3
- 2-Hydroxy-N-[3-(2-phenylethoxy)phenyl]benzamide648924-50-9C21H19NO3
- N-[([1,1'-Biphenyl]-3-yl)methyl]-2-hydroxy-3-methoxybenzamide648924-26-9C21H19NO3
- 3-Hydroxy-N-[3-(2-phenylethoxy)phenyl]benzamide648924-82-7C21H19NO3
- 7-((1-Ethyl-1H-indol-5-yl)methoxy)-2H-chromene-3-carbaldehyde1228582-89-5C21H19NO3
- 3-(1-Benzofuran-2-yl)-7-(diethylamino)-2H-1-benzopyran-2-one57119-51-4C21H19NO3
- 3-[(3-Phenylpropyl)carbamoyl]naphthalene-2-carboxylic acid560096-12-0C21H19NO3
- 2-[4-[(Tetrahydro-2H-pyran-2-yl)oxy]phenyl]-3-quinolinecarboxaldehyde1401819-43-9C21H19NO3
- 1-(3,5-Bis(benzyloxy)pyridin-2-yl)ethan-1-one2098192-72-2C21H19NO3
- Methyl 4-benzoyl-1-benzyl-5-methyl-1H-pyrrole-2-carboxylate1448859-76-4C21H19NO3
- 4-Benzoyl-1-butyl-5-phenyl-1H-pyrrole-2,3-dione61350-47-8C21H19NO3
- Methyl 5-(4,5-diphenyl-1,3-oxazol-2-yl)pent-2-enoate93953-43-6C21H19NO3
- 1-Methoxy-4-[8-(4-nitrophenyl)octa-1,3,5,7-tetraen-1-yl]benzene51079-94-8C21H19NO3
- 8-tert-Butyl-10-methoxy-5H-benzo[a]phenoxazin-5-one61651-93-2C21H19NO3
- N-[2-(Benzyloxy)-5-methoxyphenyl]benzamide88380-61-4C21H19NO3
- 3-Ethoxy-5-ethyl-1-methyl-5H-benzo[b]carbazole-6,11-dione830925-87-6C21H19NO3
- 1-Methoxy-7-[(4-methoxyphenyl)methoxy]-9H-carbazole920982-67-8C21H19NO3
- 6-Methoxy-2-[(4-methoxyphenyl)methoxy]-9H-carbazole920982-66-7C21H19NO3
- 6-((Naphthalen-1-yloxy)methyl)-4-phenylmorpholin-3-one21809-17-6C21H19NO3
- 2-Phenoxy-biphenyl alanine845529-99-9C21H19NO3
- Methyl 6-((benzhydryloxy)methyl)nicotinate2489630-00-2C21H19NO3
- Methyl 5-amino-3'-(benzyloxy)-[1,1'-biphenyl]-2-carboxylate250790-04-6C21H19NO3
- Methyl 5-amino-4'-(benzyloxy)-[1,1'-biphenyl]-2-carboxylate2989209-68-7C21H19NO3
- Methyl 5-amino-4'-(benzyloxy)-[1,1'-biphenyl]-3-carboxylate2990839-58-0C21H19NO3
- Methyl 5-amino-3'-(benzyloxy)-[1,1'-biphenyl]-3-carboxylate2990401-77-7C21H19NO3
- (9H-Fluoren-9-yl)methyl N-(3-ethynyloxolan-3-yl)carbamate2680677-63-6C21H19NO3
- Benzyl N-(naphthalen-1-yl)-N-[(oxiran-2-yl)methyl]carbamate2680800-68-2C21H19NO3
- Benzyl N-{2-[(4-hydroxyphenyl)methyl]phenyl}carbamate2680743-18-2C21H19NO3
- Benzyl N-({3'-hydroxy-[1,1'-biphenyl]-3-yl}methyl)carbamate2680769-42-8C21H19NO3
- Benzyl N-{3-[hydroxy(phenyl)methyl]phenyl}carbamate2680687-16-3C21H19NO3
- Benzyl N-(5-benzyl-2-hydroxyphenyl)carbamate2680787-05-5C21H19NO3
- Benzyl N-[(4-hydroxyphenyl)methyl]-N-phenylcarbamate2680687-29-8C21H19NO3
- Benzyl 3-hydroxy-3-(naphthalen-1-yl)azetidine-1-carboxylate2680662-01-3C21H19NO3
- Benzyl N-({4'-hydroxy-[1,1'-biphenyl]-4-yl}methyl)carbamate2680762-11-0C21H19NO3
- Benzyl 3-hydroxy-1H,2H,3H,4H-benzo[h]quinoline-1-carboxylate2680807-27-4C21H19NO3
- (9H-Fluoren-9-yl)methyl 3-ethynyl-3-hydroxypyrrolidine-1-carboxylate2275596-50-2C21H19NO3
- (9H-Fluoren-9-yl)methyl 3-(prop-2-yn-1-yloxy)azetidine-1-carboxylate2300170-49-2C21H19NO3
- (9H-Fluoren-9-yl)methyl 3-ethynylmorpholine-4-carboxylate2770486-38-7C21H19NO3
- (9H-Fluoren-9-yl)methyl 2-ethynylmorpholine-4-carboxylate2770555-43-4C21H19NO3
- Methyl 2-amino-2'-(benzyloxy)-[1,1'-biphenyl]-3-carboxylate3078489-18-3C21H19NO3
- Methyl 2-amino-3'-(benzyloxy)-[1,1'-biphenyl]-3-carboxylate3078489-33-2C21H19NO3
- Methyl 2-amino-4'-(benzyloxy)-[1,1'-biphenyl]-3-carboxylate3078575-63-7C21H19NO3
- Benzaldehyde, O-(2-(4-phenoxyphenoxy)ethyl)oxime88354-93-2C21H19NO3
- Methyl 11,12-didehydro-|A-oxodibenz[b,f]azocine-5(6H)-pentanoate1207355-30-3C21H19NO3
- Methyl 2-(4-methoxyphenyl)-6-p-tolylpyridine-4-carboxylate1159977-80-6C21H19NO3
- Benzhydryl 4-(aminooxymethyl)benzoate1225210-18-3C21H19NO3
- Benzhydryl 3-(aminooxymethyl)benzoate1225210-75-2C21H19NO3
- Benzhydryl 2-(aminooxymethyl)benzoate1225210-81-0C21H19NO3
- N-(4-(1,4-Dioxo-1,4-dihydronaphthalen-2-yl)butyl)benzamide2363072-97-1C21H19NO3
- Ethyl 2-methoxy-7,8-dihydrobenzo[k]phenanthridine-6-carboxylate2045173-66-6C21H19NO3
- 1-(4-(Dimethylamino)phenyl)-3-(1-hydroxynaphthalen-2-yl)propane-1,3-dione2074673-73-5C21H19NO3
- Methyl 2-(1-acetyl-4,5-diphenyl-1H-pyrrol-2-yl)acetate1236115-63-1C21H19NO3
- N-[2-(4-Phenoxyphenoxy)ethoxy]-1-phenylmethanimineC21H19NO3
Frequently asked questions
What is the molar mass of C21H19NO3?
The molar mass of C21H19NO3 is 333.39 g/mol, calculated from standard atomic weights for 21 carbon atoms, 19 hydrogen atoms, 1 nitrogen atom and 3 oxygen atoms. The monoisotopic mass is 333.1365 Da.
How many compounds have the formula C21H19NO3?
CompoundList lists 197 compounds with the molecular formula C21H19NO3, including 2-[2-(4-tert-Butylphenyl)-4-oxochromen-3-yl]oxyacetonitrile, N-(4-Methylphenyl)-2-(4-phenoxyphenoxy)acetamide, 4-Ethoxy-N-(2-phenoxyphenyl)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 C21H19NO3?
C21H19NO3 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.