Molecular formula
C21H15NO3
77 compounds have this formula on CompoundList.
- Molar mass
- 329.36g/mol
- Monoisotopic mass
- 329.1052Da
- Atoms
- 40
- Elements
- 4
- Rings plus double bonds
- 15
The formula C21H15NO3 describes a molecule made of 21 carbon atoms, 15 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 × 2176.58%12.011 × 21 = 252.231 g/mol
- H Hydrogen × 154.59%1.008 × 15 = 15.120 g/mol
- N Nitrogen × 14.25%14.007 × 1 = 14.007 g/mol
- O Oxygen × 314.57%15.999 × 3 = 47.997 g/mol
Look up another formula
Compounds with the formula C21H15NO3
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 77 of 77 compounds
Solvent Violet 13
CAS 81-48-1C21H15NO3
Tris(4-formylphenyl)amine
CAS 119001-43-3C21H15NO3
N-(3-Benzyloxyphenyl)phthalimide
CAS 20012-61-7C21H15NO3
2-(6-Methoxynaphthalen-2-yl)quinoline-4-carboxylic acid
CAS 327105-96-4C21H15NO3
![6-(4-Methoxyphenyl)-5H-dibenzo[c,E]azepine-5,7(6H)-dione chemical structure, C21H15NO3, CAS 100892-01-1](/s/ZFELDPJRRGWNGH-UHFFFAOYSA-N.svg)
6-(4-Methoxyphenyl)-5H-dibenzo[c,E]azepine-5,7(6H)-dione
CAS 100892-01-1C21H15NO3
2-(4-Benzyloxy-phenyl)-isoindole-1,3-dione
CAS 20012-62-8C21H15NO3
N-(4-Naphthalen-1-yloxyphenyl)furan-2-carboxamide
CAS 212187-58-1C21H15NO3
Benzamide, N,N-dibenzoyl-
CAS 602-88-0C21H15NO3
(Z)-3-((4-Phenoxyphenylamino)methylene)isobenzofuran-1(3H)-one
CAS 338751-66-9C21H15NO3
N-(2-Fluorenyl)phthalamic acid
CAS 2485-10-1C21H15NO3
(Isoquinolin-1-yl)(phenyl)methyl furan-2-carboxylate
CAS 301341-04-8C21H15NO3
2-Furylisoquinolylmethyl benzoate
CAS 50966-61-5C21H15NO3
p-(p-Phenylphenacylideneamino)benzoic acid
CAS 3686-70-2C21H15NO3
![6-([1,1'-Biphenyl]-3-yl)-2-hydroxyisoquinoline-1,3(2H,4H)-dione chemical structure, C21H15NO3, CAS 1354742-79-2](/s/JHAVIQIVACPQBM-UHFFFAOYSA-N.svg)
6-([1,1'-Biphenyl]-3-yl)-2-hydroxyisoquinoline-1,3(2H,4H)-dione
CAS 1354742-79-2C21H15NO3
![9-[(2-Methoxyphenyl)methylidene]-2-nitro-9H-fluorene chemical structure, C21H15NO3, CAS 190071-19-3](/s/LIVLGIRFBZKJEV-UHFFFAOYSA-N.svg)
9-[(2-Methoxyphenyl)methylidene]-2-nitro-9H-fluorene
CAS 190071-19-3C21H15NO3
(1R,2S,3R,4S)-3,4-Dihydroxy-1,2-epoxy-1,2,3,4-tetrahydrodibenz(c,h)acridine
CAS 93781-00-1C21H15NO3
(1S,2R,3R,4S)-3,4-Dihydroxy-1,2-epoxy-1,2,3,4-tetrahydrodibenz(c,h)acridine
CAS 93780-96-2C21H15NO3
![3-Oxo-N-(m-tolyl)-3H-benzo[f]chromene-2-carboxamide chemical structure, C21H15NO3, CAS 87485-34-5](/s/ATSLZVJHSUBPPB-UHFFFAOYSA-N.svg)
3-Oxo-N-(m-tolyl)-3H-benzo[f]chromene-2-carboxamide
CAS 87485-34-5C21H15NO3
RefChem:345354
CAS 64468-27-5C21H15NO3
(1R,2S,3S,4R)-3,4-Dihydroxy-1,2-epoxy-1,2,3,4-tetrahydrodibenz(c,h)acridine
CAS 93780-95-1C21H15NO3
(1S,2R,3S,4R)-3,4-Dihydroxy-1,2-epoxy-1,2,3,4-tetrahydrodibenz(c,h)acridine
CAS 93780-98-4C21H15NO3
1H-Indole-7-carboxylic acid, 2,3-dihydro-2-oxo-3,3-diphenyl-
CAS 36137-11-8C21H15NO3
syn-(+-)-Dibenz(a,h)acridine-10,11-diol-8,9-epoxide
CAS 97169-68-1C21H15NO3
(3-Amino-1-benzofuran-2-yl)-(4-phenoxyphenyl)methanone
CAS 311795-61-6C21H15NO3
- 1,4-Dihydro-1-(2-naphthalenylmethyl)-4-oxo-3-quinolinecarboxylic acid1281878-04-3C21H15NO3
- (E)-3-(4-Nitrophenyl)-1-(4-phenylphenyl)prop-2-en-1-one132434-49-2C21H15NO3
- (2E)-3-(3-Nitrophenyl)-1-(4-phenylphenyl)prop-2-en-1-one1042167-64-5C21H15NO3
- 1-(4'-(Hydroxy(oxido)amino)(1,1'-biphenyl)-4-yl)-3-phenyl-2-propen-1-one7402-87-1C21H15NO3
- 6-(2-Methoxyphenyl)benzo[d][2]benzazepine-5,7-dione100891-99-4C21H15NO3
- N-(4-Methylphenyl)-3-oxo-3H-benzo[f]chromene-2-carboxamide64468-31-1C21H15NO3
- 2-(3-Phenoxybenzyl)-1H-isoindole-1,3(2H)-dione374092-54-3C21H15NO3
- N-(9H-Fluoren-2-yl)-1,3-benzodioxole-5-carboxamide701924-48-3C21H15NO3
- syn-Dibenz(a,j)acridine-3,4-diol-1,2-epoxide105467-73-0C21H15NO3
- (Z)-3-(4-Nitrophenyl)-1,2-diphenyl-prop-2-en-1-one34236-64-1C21H15NO3
- 2-([1,1'-Biphenyl]-4-ylmethoxy)isoindoline-1,3-dione1885-53-6C21H15NO3
- 2-(4-Methoxyphenyl)-6,7-dihydro-1H-indeno[6,7,1-def]isoquinoline-1,3(2H)-dione297137-67-8C21H15NO3
- 2-(3-Methoxyphenyl)-6,7-dihydro-1H-indeno[6,7,1-def]isoquinoline-1,3(2H)-dione392693-91-3C21H15NO3
- (Z)-6-(Benzyloxy)-2-(pyridin-4-ylmethylene)benzofuran-3(2H)-one620548-51-8C21H15NO3
- (Z)-6-(Benzyloxy)-2-(pyridin-3-ylmethylene)benzofuran-3(2H)-one620548-41-6C21H15NO3
- 6-Benzoyl-2-ethylbenzo[de]isoquinoline-1,3-dione331726-88-6C21H15NO3
- (-)-11S,10R-Dihydroxy-9R,8S-epoxy-8,9,10,11-tetrahydrodibenz(a,h)acridine140460-97-5C21H15NO3
- 5-(4-Methylphenoxy)-2-phenyl-1H-isoindole-1,3(2H)-dione63196-28-1C21H15NO3
- 2-Amino-1-(3-methylphenoxy)anthracene-9,10-dione68256-55-3C21H15NO3
- anti-Dibenz(a,j)acridine-3,4-diol-1,2-epoxide105500-28-5C21H15NO3
- (-)-11R,10S-Dihydroxy-9R,8S-epoxy-8,9,10,11-tetrahydrodibenz(a,h)acridine140460-96-4C21H15NO3
- (+)-11R,10S-Dihydroxy-9S,8R-epoxy-8,9,10,11-tetrahydrodibenz(a,h)acridine140461-57-0C21H15NO3
- 4-((2-Methoxynaphthalen-1-yl)methylene)-2-phenyloxazol-5(4H)-one77655-22-2C21H15NO3
- 4-(4-Methylphenoxy)-2-phenyl-1H-isoindole-1,3(2H)-dione63181-79-3C21H15NO3
- anti-(+-)-1,2,3,4-Tetrahydrodibenz(a,h)acridine-3,4-diol-1,2-epoxide102421-85-2C21H15NO3
- (4E)-4-[[5-(4-Methylphenyl)furan-2-yl]methylidene]-2-phenyl-1,3-oxazol-5-one374608-16-9C21H15NO3
- 2-(4-Methoxyphenyl)-4-(naphthalen-1-ylmethylidene)-1,3-oxazol-5-one5523-97-7C21H15NO3
- 6-(8-Methylquinolin-4-yloxy)-1-naphthoic acid1256349-64-0C21H15NO3
- 3-(6-Methoxynaphthalene-2-carbonyl)quinolin-4(1H)-one821004-11-9C21H15NO3
- 3-Benzoyl-1-methyl-9H-carbazole-2-carboxylic acid91544-97-7C21H15NO3
- 2-(4-Methoxyphenyl)-4-naphthalen-1-yl-1,3-oxazin-6-one6600-65-3C21H15NO3
- 5(4H)-Oxazolone, 4-[(2-methoxy-1-naphthalenyl)methylene]-2-phenyl-C21H15NO3
- 2-[4-(4-Methylphenoxy)phenyl]-1H-isoindole-1,3(2H)-dione737795-18-5C21H15NO3
- 2-[(9H-Fluorene-9-carbonyl)amino]benzoic acid105555-32-6C21H15NO3
- 5-(3-(Benzyloxy)phenyl)indoline-2,3-dione893737-52-5C21H15NO3
- 2-(2-(Benzyloxy)phenyl)-4H-benzo[e][1,3]oxazin-4-one1492957-96-6C21H15NO3
- Benzeneacetamide, N-(3-benzoylphenyl)-alpha-oxo-1613439-72-7C21H15NO3
- Dibenz(a,h)acridine 3,4-diol-1,2-epoxide125276-72-4C21H15NO3
- 1,3(2H,4H)-Isoquinolinedione, 2-(4-phenoxyphenyl)-126070-07-3C21H15NO3
- [(2-Oxo-1,2-diphenylethylidene)amino] benzoate6624-55-1C21H15NO3
- 2-Propen-1-one, 3-[1,1'-biphenyl]-4-yl-1-(4-nitrophenyl)-89807-55-6C21H15NO3
- O-Benzoyl 1,2-diphenyl-2-oximinoethanoneC21H15NO3
- 5-Methyl-6-oxo-5,6-dihydro-8-phenanthridinyl benzoate865348-82-9C21H15NO3
- 1-Hydroxy-2,3-diphenylindolizine-7-carboxylic acid86193-97-7C21H15NO3
- 2-(Methylamino)-1-phenoxyanthracene-9,10-dione65016-78-6C21H15NO3
- 5-[4-(Benzyloxy)phenyl]-1H-indole-2,3-dione893739-22-5C21H15NO3
- 5-[2-(Benzyloxy)phenyl]-1H-indole-2,3-dione893737-56-9C21H15NO3
- N-[4-(1,3-Dioxo-2,3-dihydro-1H-cyclopenta[b]naphthalen-2-yl)phenyl]acetamide38274-39-4C21H15NO3
- 1-(9-Acetyl-9H-carbazol-2-yl)-3-(furan-2-yl)prop-2-EN-1-one88093-04-3C21H15NO3
- 12-(2-Methylpropanoyl)benzo[b]acridine-6,11-dione830928-33-1C21H15NO3
- 4-Cyanophenyl 4-(Benzyloxy)benzoate391217-79-1C21H15NO3
- Methyl 2-(2-phenyl-1,3-benzoxazol-7-yl)benzoate2138403-24-2C21H15NO3
- 3-(3-(Pyren-1-yl)propyl)-1,4,2-dioxazol-5-one3003673-23-9C21H15NO3
Frequently asked questions
What is the molar mass of C21H15NO3?
The molar mass of C21H15NO3 is 329.36 g/mol, calculated from standard atomic weights for 21 carbon atoms, 15 hydrogen atoms, 1 nitrogen atom and 3 oxygen atoms. The monoisotopic mass is 329.1052 Da.
How many compounds have the formula C21H15NO3?
CompoundList lists 77 compounds with the molecular formula C21H15NO3, including Solvent Violet 13, Tris(4-formylphenyl)amine, N-(3-Benzyloxyphenyl)phthalimide. 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 C21H15NO3?
C21H15NO3 has a degree of unsaturation of 15. 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.