C21H15NO4
59 compounds have this formula on CompoundList.
- Molar mass
- 345.35g/mol
- Monoisotopic mass
- 345.1001Da
- Atoms
- 41
- Elements
- 4
- Rings plus double bonds
- 15
The formula C21H15NO4 describes a molecule made of 21 carbon atoms, 15 hydrogen atoms, 1 nitrogen atom and 4 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 × 2173.04%12.011 × 21 = 252.231 g/mol
- H Hydrogen × 154.38%1.008 × 15 = 15.120 g/mol
- N Nitrogen × 14.06%14.007 × 1 = 14.007 g/mol
- O Oxygen × 418.53%15.999 × 4 = 63.996 g/mol
Compounds with the formula C21H15NO4
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 59 of 59 compounds
![3-(1,3-Dioxaindan-5-ylmethylidene)-1H,2H,3H-cyclopenta[b]quinoline-9-carboxylic acid chemical structure, C21H15NO4, CAS 380574-40-3](/s/FQUAQJOMDCUQHG-LCYFTJDESA-N.svg)
![N-[2-(4-Methylbenzoyl)-1-benzofuran-3-yl]furan-2-carboxamide chemical structure, C21H15NO4, CAS 630050-93-0](/s/WODGLDFILFDPEA-UHFFFAOYSA-N.svg)
![Ethyl 4-(1,3-dioxo-1H-benzo[de]isoquinolin-2(3H)-yl)benzoate chemical structure, C21H15NO4, CAS 94887-62-4](/s/YLXJBDFGASQIGU-UHFFFAOYSA-N.svg)
![1-Hydroxy-4-[(4-methoxyphenyl)amino]-9,10-anthracenedione chemical structure, C21H15NO4, CAS 23552-76-3](/s/RUUQNDPKAFJWBM-UHFFFAOYSA-N.svg)
![N-(2-Methoxyphenyl)-3-oxo-3H-benzo[f]chromene-2-carboxamide chemical structure, C21H15NO4, CAS 87485-35-6](/s/QBTJBINWILUPFD-UHFFFAOYSA-N.svg)
![N-[3-Methyl-4-(2-oxochromen-3-yl)phenyl]furan-2-carboxamide chemical structure, C21H15NO4, CAS 329196-95-4](/s/MYESXRLQCKNVGR-UHFFFAOYSA-N.svg)
![N-[2-(4-Methylphenyl)-4-oxo-4H-chromen-6-yl]furan-2-carboxamide chemical structure, C21H15NO4, CAS 923178-57-8](/s/LFNLOTXLITUYTE-UHFFFAOYSA-N.svg)
![N-[2-(3-Methylphenyl)-4-oxo-4H-chromen-6-yl]furan-2-carboxamide chemical structure, C21H15NO4, CAS 923107-04-4](/s/PTYDQPBXNMSHQA-UHFFFAOYSA-N.svg)
- N-(9-Oxo-9H-xanthen-3-yl)-2-phenoxyacetamide886146-08-3C21H15NO4
- 4-[2-(Naphthalen-2-yl)-2-oxoethyl]-1,4-benzoxazepine-3,5(2H,4H)-dione903188-44-3C21H15NO4
- 1,4-Dihydroxy-2-(4-methylanilino)anthracene-9,10-dione4644-05-7C21H15NO4
- N-[3-(3-Methylphenyl)-4-oxo-4H-chromen-2-yl]furan-2-carboxamide902021-11-8C21H15NO4
- 4-Methoxy-N-(9-oxo-9H-xanthen-3-yl)benzamide886145-37-5C21H15NO4
- (2Z)-2-Benzoxazol-2-yl-3-(2-furyl)-1-(4-methoxyphenyl)prop-2-en-1-one494200-91-8C21H15NO4
- 2-(2-(Benzyloxy)phenyl)benzo[d]oxazole-4-carboxylic acid186501-25-7C21H15NO4
- 8-Methoxy-N-(naphthalen-2-yl)-2-oxo-2H-chromene-3-carboxamide73930-51-5C21H15NO4
- 4-[Bis(4-formylphenyl)amino]-2-hydroxybenzaldehyde1016164-09-2C21H15NO4
- 6-(7-Methoxyquinolin-4-yloxy)-1-naphthoic acid847803-42-3C21H15NO4
- 4-Cyanophenyl 2-(4-phenoxyphenoxy)acetate330677-26-4C21H15NO4
- 4a,8a-Dihydro-4-oxo-2-phenyl-4H-1-benzopyran-3-yl 3-pyridinecarboxylate663193-46-2C21H15NO4
- N-(2-Furylmethyl)-2-(1-oxo-1H-isochromen-3-yl)benzamide920480-79-1C21H15NO4
- 1-Amino-4-hydroxy-2-(3-methylphenoxy)anthracene-9,10-dione105699-59-0C21H15NO4
- [4-(1,3-Benzoxazol-2-yl)phenyl](2-hydroxy-4-methoxyphenyl)methanone52981-90-5C21H15NO4
- (E)-4-(2-(Pyridin-4-yl)vinyl)phenyl benzo[d][1,3]dioxole-5-carboxylate1007678-43-4C21H15NO4
- 3-Phenyl-1,2-benzoxazol-6-yl 3-methoxybenzoate1144432-39-2C21H15NO4
- Benzoic acid, 4-[2,3-dihydro-3-(4-hydroxyphenyl)-2-oxo-1H-indol-3-yl]-189168-16-9C21H15NO4
- Acetamide, N-[2-(4-hydroxybenzoyl)naphtho[2,1-b]furan-1-yl]-650636-49-0C21H15NO4
- 2-Propen-1-one, 3-(4-nitrophenyl)-1-(4-phenoxyphenyl)-49746-55-6C21H15NO4
- 2-Methyl-4-oxo-3-(quinolin-8-yl)-4H-1-benzopyran-7-yl acetate66819-05-4C21H15NO4
- 1-Nitro-4-[3-(4-phenoxyphenoxy)prop-1-yn-1-yl]benzene89878-37-5C21H15NO4
- 1-Amino-2-(benzyloxy)-4-hydroxyanthracene-9,10-dione16410-10-9C21H15NO4
- 1-(4-Hydroxyphenyl)-3-(4-nitrophenyl)-2-phenylprop-2-en-1-one24845-09-8C21H15NO4
- 2-[2-(Benzyloxy)phenyl]-1,3-benzoxazole-7-carboxylic acid820252-95-7C21H15NO4
- 3-(4-Acetylphenyl)-4-(2-methyl-1H-indol-3-yl)-2,5-furandione1613633-77-4C21H15NO4
- 1-Hydroxy-4-[3-(hydroxymethyl)anilino]anthracene-9,10-dione81-47-0C21H15NO4
- (9H-Fluoren-4-yl)methyl 4-nitrobenzoate7315-94-8C21H15NO4
- Methyl 4,6-dibenzoylpyridine-3-carboxylate63362-46-9C21H15NO4
- 1-(4-Nitrophenyl)-3-(3-phenoxyphenyl)prop-2-en-1-one89807-64-7C21H15NO4
- 1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 2,6-dimethylnaphthalene-1-carboxylate2248319-65-3C21H15NO4
- 1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 3-(naphthalen-2-yl)propanoate2248324-12-9C21H15NO4
- 1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 3-(naphthalen-1-yl)propanoate2248363-64-4C21H15NO4
- 1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 2-(naphthalen-2-yl)propanoate2248303-71-9C21H15NO4
- 2,5-Dihydroxy-3-(1-methyl-1H-indol-2-yl)-6-phenyl-[1,4]benzoquinone887407-21-8C21H15NO4
Frequently asked questions
What is the molar mass of C21H15NO4?
The molar mass of C21H15NO4 is 345.35 g/mol, calculated from standard atomic weights for 21 carbon atoms, 15 hydrogen atoms, 1 nitrogen atom and 4 oxygen atoms. The monoisotopic mass is 345.1001 Da.
How many compounds have the formula C21H15NO4?
CompoundList lists 59 compounds with the molecular formula C21H15NO4, including 2-((2-Benzoylanilino)carbonyl)benzoic acid, N-(1,3-Benzodioxol-5-yl)-9H-xanthene-9-carboxamide, 3-(1,3-Dioxaindan-5-ylmethylidene)-1H,2H,3H-cyclopenta[b]quinoline-9-carboxylic acid. 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 C21H15NO4?
C21H15NO4 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.