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Molecular formula

C28H21NO5

17 compounds have this formula on CompoundList.

Molar mass
451.48g/mol
Monoisotopic mass
451.1420Da
Atoms
55
Elements
4
Rings plus double bonds
19

The formula C28H21NO5 describes a molecule made of 28 carbon atoms, 21 hydrogen atoms, 1 nitrogen atom and 5 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 × 2874.49%
    12.011 × 28 = 336.308 g/mol
  • H Hydrogen × 214.69%
    1.008 × 21 = 21.168 g/mol
  • N Nitrogen × 13.10%
    14.007 × 1 = 14.007 g/mol
  • O Oxygen × 517.72%
    15.999 × 5 = 79.995 g/mol
Look up another formula

Compounds with the formula C28H21NO5

Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.

Showing 1 to 17 of 17 compounds

5-Benzyl-1-(4-methylphenyl)spiro[3a,6a-dihydro-1H-furo[3,4-c]pyrrole-3,2'-indene]-1',3',4,6-tetrone chemical structure, C28H21NO5, CAS 302589-44-2
5-Benzyl-1-(4-methylphenyl)spiro[3a,6a-dihydro-1H-furo[3,4-c]pyrrole-3,2'-indene]-1',3',4,6-tetrone
CAS 302589-44-2C28H21NO5
Dimethyl 3-(4-methylbenzoyl)benzo(F)pyrrolo(1,2-A)quinoline-1,2-dicarboxylate chemical structure, C28H21NO5, CAS 618069-77-5
Dimethyl 3-(4-methylbenzoyl)benzo(F)pyrrolo(1,2-A)quinoline-1,2-dicarboxylate
CAS 618069-77-5C28H21NO5
4-[4-({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)phenoxy]benzoic acid chemical structure, C28H21NO5, CAS 2639410-48-1
4-[4-({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)phenoxy]benzoic acid
CAS 2639410-48-1C28H21NO5
5-(2,3-Dimethylphenyl)-1-phenylspiro[3a,6a-dihydro-1H-furo[3,4-c]pyrrole-3,2'-indene]-1',3',4,6-tetrone chemical structure, C28H21NO5, CAS 357614-59-6
5-(2,3-Dimethylphenyl)-1-phenylspiro[3a,6a-dihydro-1H-furo[3,4-c]pyrrole-3,2'-indene]-1',3',4,6-tetrone
CAS 357614-59-6C28H21NO5
5-(3,4-Dimethylphenyl)-1-phenylspiro[3a,6a-dihydro-1H-furo[3,4-c]pyrrole-3,2'-indene]-1',3',4,6-tetrone chemical structure, C28H21NO5, CAS 301317-69-1
5-(3,4-Dimethylphenyl)-1-phenylspiro[3a,6a-dihydro-1H-furo[3,4-c]pyrrole-3,2'-indene]-1',3',4,6-tetrone
CAS 301317-69-1C28H21NO5
5-(3,5-Dimethylphenyl)-3-phenyl-3a,6a-dihydrospiro[furo[3,4-c]pyrrole-1,2'-indene]-1',3',4,6(3H,5H)-tetrone chemical structure, C28H21NO5, CAS 302553-39-5
5-(3,5-Dimethylphenyl)-3-phenyl-3a,6a-dihydrospiro[furo[3,4-c]pyrrole-1,2'-indene]-1',3',4,6(3H,5H)-tetrone
CAS 302553-39-5C28H21NO5
2-Oxo-2-phenylethyl (16,18-dioxo-17-azapentacyclo[6.6.5.0~2,7~.0~9,14~.0~15,19~]nonadeca-2,4,6,9,11,13-hexaen-17-yl)acetate chemical structure, C28H21NO5, CAS 329933-56-4
2-Oxo-2-phenylethyl (16,18-dioxo-17-azapentacyclo[6.6.5.0~2,7~.0~9,14~.0~15,19~]nonadeca-2,4,6,9,11,13-hexaen-17-yl)acetate
CAS 329933-56-4C28H21NO5
1-Amino-4-hydroxy-2-(4-(2-phenylethoxy)phenoxy)anthraquinone chemical structure, C28H21NO5, CAS 55154-34-2
1-Amino-4-hydroxy-2-(4-(2-phenylethoxy)phenoxy)anthraquinone
CAS 55154-34-2C28H21NO5
3-Phenyl-5-(2-phenylethyl)-3a,6a-dihydrospiro[furo[3,4-c]pyrrole-1,2'-indene]-1',3',4,6(3H,5H)-tetrone chemical structure, C28H21NO5, CAS 1005108-30-4
3-Phenyl-5-(2-phenylethyl)-3a,6a-dihydrospiro[furo[3,4-c]pyrrole-1,2'-indene]-1',3',4,6(3H,5H)-tetrone
CAS 1005108-30-4C28H21NO5
3-[2-(1,3-Benzodioxol-5-yl)-2-oxoethyl]-3-hydroxy-1-(naphthalen-1-ylmethyl)indol-2-one chemical structure, C28H21NO5, CAS 688038-31-5
3-[2-(1,3-Benzodioxol-5-yl)-2-oxoethyl]-3-hydroxy-1-(naphthalen-1-ylmethyl)indol-2-one
CAS 688038-31-5C28H21NO5
2-Methoxy-N-[2-(2-oxo-2,6,7,8-tetrahydrocyclopenta[g]chromen-4-yl)-1-benzofuran-3-yl]benzamide chemical structure, C28H21NO5, CAS 919739-78-9
2-Methoxy-N-[2-(2-oxo-2,6,7,8-tetrahydrocyclopenta[g]chromen-4-yl)-1-benzofuran-3-yl]benzamide
CAS 919739-78-9C28H21NO5
(2E)-2-[(5-Methoxy-1-methyl-1H-indol-3-yl)methylidene]-3-oxo-2,3-dihydro-1-benzofuran-6-yl (2E)-3-phenylprop-2-enoate chemical structure, C28H21NO5, CAS 929444-04-2
(2E)-2-[(5-Methoxy-1-methyl-1H-indol-3-yl)methylidene]-3-oxo-2,3-dihydro-1-benzofuran-6-yl (2E)-3-phenylprop-2-enoate
CAS 929444-04-2C28H21NO5
6-(7-(Benzyloxy)-6-methoxyquinolin-4-yloxy)-1-naphthoic acid chemical structure, C28H21NO5, CAS 1044676-75-6
6-(7-(Benzyloxy)-6-methoxyquinolin-4-yloxy)-1-naphthoic acid
CAS 1044676-75-6C28H21NO5
7-(4-Hydroxy-3,5-dimethoxyphenyl)-7,14-dihydro-6H-benzo[f]chromeno[4,3-b]quinolin-6-one chemical structure, C28H21NO5, CAS 831243-71-1
7-(4-Hydroxy-3,5-dimethoxyphenyl)-7,14-dihydro-6H-benzo[f]chromeno[4,3-b]quinolin-6-one
CAS 831243-71-1C28H21NO5
2-{4-Nitrophenyl}-2-oxoethyl triphenylacetate chemical structure, C28H21NO5, CAS 313509-28-3
2-{4-Nitrophenyl}-2-oxoethyl triphenylacetate
CAS 313509-28-3C28H21NO5
2-({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)-5-phenoxybenzoic acid chemical structure, C28H21NO5, CAS 2243510-55-4
2-({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)-5-phenoxybenzoic acid
CAS 2243510-55-4C28H21NO5
3-({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)-4-phenoxybenzoic acid chemical structure, C28H21NO5, CAS 2243513-20-2
3-({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)-4-phenoxybenzoic acid
CAS 2243513-20-2C28H21NO5

Frequently asked questions

What is the molar mass of C28H21NO5?

The molar mass of C28H21NO5 is 451.48 g/mol, calculated from standard atomic weights for 28 carbon atoms, 21 hydrogen atoms, 1 nitrogen atom and 5 oxygen atoms. The monoisotopic mass is 451.1420 Da.

How many compounds have the formula C28H21NO5?

CompoundList lists 17 compounds with the molecular formula C28H21NO5, including 5-Benzyl-1-(4-methylphenyl)spiro[3a,6a-dihydro-1H-furo[3,4-c]pyrrole-3,2'-indene]-1',3',4,6-tetrone, Dimethyl 3-(4-methylbenzoyl)benzo(F)pyrrolo(1,2-A)quinoline-1,2-dicarboxylate, 4-[4-({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)phenoxy]benzoic 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 C28H21NO5?

C28H21NO5 has a degree of unsaturation of 19. 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.