CompoundList
Molecular formula

C21H27NO5

66 compounds have this formula on CompoundList.

Molar mass
373.45g/mol
Monoisotopic mass
378.2203Da
Atoms
54
Elements
4
Rings plus double bonds
9

The formula C21H27NO5 describes a molecule made of 21 carbon atoms, 27 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 × 2167.54%
    12.011 × 21 = 252.231 g/mol
  • H Hydrogen × 277.29%
    1.008 × 27 = 27.216 g/mol
  • N Nitrogen × 13.75%
    14.007 × 1 = 14.007 g/mol
  • O Oxygen × 521.42%
    15.999 × 5 = 79.995 g/mol
Look up another formula

Compounds with the formula C21H27NO5

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

Showing 1 to 66 of 66 compounds

3-(2,5-Dimethylphenyl)-8-methoxy-2-oxo-1-azaspiro(4.5)dec-3-en-4-yl ethyl carbonate chemical structure, C21H27NO5, CAS 203313-25-1
3-(2,5-Dimethylphenyl)-8-methoxy-2-oxo-1-azaspiro(4.5)dec-3-en-4-yl ethyl carbonate
CAS 203313-25-1C21H27NO5
7,8-Didehydro-3,4,7,8-tetramethoxy-17-methylhasubanan-6-one chemical structure, C21H27NO5, CAS 1805-85-2
7,8-Didehydro-3,4,7,8-tetramethoxy-17-methylhasubanan-6-one
CAS 1805-85-2C21H27NO5
N-Desmethyltrimebutine chemical structure, C21H27NO5, CAS 84333-59-5
N-Desmethyltrimebutine
CAS 84333-59-5C21H27NO5
Ritobegron chemical structure, C21H27NO5, CAS 255734-04-4
Ritobegron
CAS 255734-04-4C21H27NO5
2-Methyl-5-[4-[5-methyl-2-(4-methylphenyl)-1,3-oxazol-4-yl]butyl]-1,3-dioxane-2-carboxylic acid chemical structure, C21H27NO5, CAS 377731-45-8
2-Methyl-5-[4-[5-methyl-2-(4-methylphenyl)-1,3-oxazol-4-yl]butyl]-1,3-dioxane-2-carboxylic acid
CAS 377731-45-8C21H27NO5
1-Adamantyl[(3,5-dimethoxybenzoyl)amino]acetic acid chemical structure, C21H27NO5, CAS 349549-30-0
1-Adamantyl[(3,5-dimethoxybenzoyl)amino]acetic acid
CAS 349549-30-0C21H27NO5
[1-(2,6-Dimethylpiperidin-1-yl)-1-oxopropan-2-yl] 5-methoxy-3-methyl-1-benzofuran-2-carboxylate chemical structure, C21H27NO5, CAS 1005146-22-4
[1-(2,6-Dimethylpiperidin-1-yl)-1-oxopropan-2-yl] 5-methoxy-3-methyl-1-benzofuran-2-carboxylate
CAS 1005146-22-4C21H27NO5
3-(3,4-Dimethoxy-phenyl)-N-(2-(3,4-dimethoxy-phenyl)-ethyl)-propionamide chemical structure, C21H27NO5, CAS 20944-13-2
3-(3,4-Dimethoxy-phenyl)-N-(2-(3,4-dimethoxy-phenyl)-ethyl)-propionamide
CAS 20944-13-2C21H27NO5
Dimethyl 4-(2-butoxyphenyl)-1-ethyl-4H-pyridine-3,5-dicarboxylate chemical structure, C21H27NO5, CAS 667414-66-6
Dimethyl 4-(2-butoxyphenyl)-1-ethyl-4H-pyridine-3,5-dicarboxylate
CAS 667414-66-6C21H27NO5
Methyl 3-butyryl-4-((4-methoxyphenyl)amino)-6,6-dimethyl-2-oxocyclohex-3-enecarboxylate chemical structure, C21H27NO5, CAS 300731-03-7
Methyl 3-butyryl-4-((4-methoxyphenyl)amino)-6,6-dimethyl-2-oxocyclohex-3-enecarboxylate
CAS 300731-03-7C21H27NO5
2-Hydroxy-3-methoxy-6beta-naltrexol chemical structure, C21H27NO5, CAS 57355-35-8
2-Hydroxy-3-methoxy-6beta-naltrexol
CAS 57355-35-8C21H27NO5
6,7-Dimethoxy-2-methyl-1-(3,4,5-trimethoxyphenyl)-3,4-dihydro-1H-isoquinoline chemical structure, C21H27NO5, CAS 22324-83-0
6,7-Dimethoxy-2-methyl-1-(3,4,5-trimethoxyphenyl)-3,4-dihydro-1H-isoquinoline
CAS 22324-83-0C21H27NO5
Runanine chemical structure, C21H27NO5, CAS 100485-12-9
Runanine
CAS 100485-12-9C21H27NO5
2,4-Pyrrolidinedione, 3-(1-hydroxy-2,4-dimethyl-6-octen-1-ylidene)-5-(hydroxy(4-hydroxyphenyl)methyl)- chemical structure, C21H27NO5, CAS 942195-19-9
2,4-Pyrrolidinedione, 3-(1-hydroxy-2,4-dimethyl-6-octen-1-ylidene)-5-(hydroxy(4-hydroxyphenyl)methyl)-
CAS 942195-19-9C21H27NO5
N-[1-(3-Methoxyphenyl)-3-(3,4,5-trimethoxyphenyl)propyl]acetamide chemical structure, C21H27NO5, CAS 6267-77-2
N-[1-(3-Methoxyphenyl)-3-(3,4,5-trimethoxyphenyl)propyl]acetamide
CAS 6267-77-2C21H27NO5
(1S)-1,2,3,4-Tetrahydro-1-(2-(3-hydroxy-4,5-dimethoxyphenyl)ethyl)-6-methoxy-2-methyl-7-isoquinolinol chemical structure, C21H27NO5, CAS 23068-65-7
(1S)-1,2,3,4-Tetrahydro-1-(2-(3-hydroxy-4,5-dimethoxyphenyl)ethyl)-6-methoxy-2-methyl-7-isoquinolinol
CAS 23068-65-7C21H27NO5
Isoautumnaline chemical structure, C21H27NO5, CAS 111509-11-6
Isoautumnaline
CAS 111509-11-6C21H27NO5
Stephodeline chemical structure, C21H27NO5, CAS 56596-12-4
Stephodeline
CAS 56596-12-4C21H27NO5
(S)-tert-Butyl 3-((R)-4-benzyl-2-oxooxazolidine-3-carbonyl)hex-5-enoate chemical structure, C21H27NO5, CAS 851518-35-9
(S)-tert-Butyl 3-((R)-4-benzyl-2-oxooxazolidine-3-carbonyl)hex-5-enoate
CAS 851518-35-9C21H27NO5
(1S,9R,10S)-4,5,11,12-Tetramethoxy-17-methyl-17-azatetracyclo[7.5.3.01,10.02,7]heptadeca-2,4,6,11-tetraen-13-one chemical structure, C21H27NO5, CAS 56648-85-2
(1S,9R,10S)-4,5,11,12-Tetramethoxy-17-methyl-17-azatetracyclo[7.5.3.01,10.02,7]heptadeca-2,4,6,11-tetraen-13-one
CAS 56648-85-2C21H27NO5
Dimethyl 1,2,6-trimethyl-4-(4-propoxyphenyl)-4H-pyridine-3,5-dicarboxylate chemical structure, C21H27NO5, CAS 6046-62-4
Dimethyl 1,2,6-trimethyl-4-(4-propoxyphenyl)-4H-pyridine-3,5-dicarboxylate
CAS 6046-62-4C21H27NO5
(1R,9S,10R)-4,5,11,12-Tetramethoxy-17-methyl-17-azatetracyclo[7.5.3.01,10.02,7]heptadeca-2,4,6,11-tetraen-13-one chemical structure, C21H27NO5, CAS 123750-34-5
(1R,9S,10R)-4,5,11,12-Tetramethoxy-17-methyl-17-azatetracyclo[7.5.3.01,10.02,7]heptadeca-2,4,6,11-tetraen-13-one
CAS 123750-34-5C21H27NO5
Methyl 2-(adamantane-1-carbonylamino)-4,5-dimethoxybenzoate chemical structure, C21H27NO5, CAS 363590-74-3
Methyl 2-(adamantane-1-carbonylamino)-4,5-dimethoxybenzoate
CAS 363590-74-3C21H27NO5
3,4,5-Triethoxy-N-[(2-methoxyphenyl)methyl]benzamide chemical structure, C21H27NO5, CAS 346704-35-6
3,4,5-Triethoxy-N-[(2-methoxyphenyl)methyl]benzamide
CAS 346704-35-6C21H27NO5

Frequently asked questions

What is the molar mass of C21H27NO5?

The molar mass of C21H27NO5 is 373.45 g/mol, calculated from standard atomic weights for 21 carbon atoms, 27 hydrogen atoms, 1 nitrogen atom and 5 oxygen atoms. The monoisotopic mass is 378.2203 Da.

How many compounds have the formula C21H27NO5?

CompoundList lists 66 compounds with the molecular formula C21H27NO5, including 3-(2,5-Dimethylphenyl)-8-methoxy-2-oxo-1-azaspiro(4.5)dec-3-en-4-yl ethyl carbonate, 7,8-Didehydro-3,4,7,8-tetramethoxy-17-methylhasubanan-6-one, N-Desmethyltrimebutine. 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 C21H27NO5?

C21H27NO5 has a degree of unsaturation of 9. 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.