CompoundList
Molecular formula

C21H21NO5

333 compounds have this formula on CompoundList.

Molar mass
367.40g/mol
Monoisotopic mass
370.1608Da
Atoms
48
Elements
4
Rings plus double bonds
12

The formula C21H21NO5 describes a molecule made of 21 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 × 2168.65%
    12.011 × 21 = 252.231 g/mol
  • H Hydrogen × 215.76%
    1.008 × 21 = 21.168 g/mol
  • N Nitrogen × 13.81%
    14.007 × 1 = 14.007 g/mol
  • O Oxygen × 521.77%
    15.999 × 5 = 79.995 g/mol
Look up another formula

Compounds with the formula C21H21NO5

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

Showing 201 to 300 of 333 compounds

4-Hydroxy-6-(4-methoxy-phenoxy)-isoquinoline-3-carboxylic acid butyl ester chemical structure, C21H21NO5, CAS 808115-60-8
4-Hydroxy-6-(4-methoxy-phenoxy)-isoquinoline-3-carboxylic acid butyl ester
CAS 808115-60-8C21H21NO5
1-(9H-Fluoren-9-yl)methyl 2-methyl (2S,4S)-4-hydroxypyrrolidine-1,2-dicarboxylate chemical structure, C21H21NO5, CAS 191793-75-6
1-(9H-Fluoren-9-yl)methyl 2-methyl (2S,4S)-4-hydroxypyrrolidine-1,2-dicarboxylate
CAS 191793-75-6C21H21NO5
Methyl 5-[[(2-Hydroxybenzyl)(4-methoxyphenyl)amino]methyl]furan-2-carboxylate chemical structure, C21H21NO5, CAS 1798029-51-2
Methyl 5-[[(2-Hydroxybenzyl)(4-methoxyphenyl)amino]methyl]furan-2-carboxylate
CAS 1798029-51-2C21H21NO5
1-{[(9H-Fluoren-9-yl)methoxy]carbonyl}-5-hydroxypiperidine-2-carboxylic acid chemical structure, C21H21NO5, CAS 2580186-12-3
1-{[(9H-Fluoren-9-yl)methoxy]carbonyl}-5-hydroxypiperidine-2-carboxylic acid
CAS 2580186-12-3C21H21NO5
rac-(1R,3S)-1-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-3-hydroxycyclopentane-1-carboxylic acid chemical structure, C21H21NO5, CAS 2243505-57-7
rac-(1R,3S)-1-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-3-hydroxycyclopentane-1-carboxylic acid
CAS 2243505-57-7C21H21NO5
N-(2-(Furan-2-yl)-2-(furan-3-yl)-2-hydroxyethyl)-1-(2-methoxyphenyl)cyclopropanecarboxamide chemical structure, C21H21NO5, CAS 2034258-86-9
N-(2-(Furan-2-yl)-2-(furan-3-yl)-2-hydroxyethyl)-1-(2-methoxyphenyl)cyclopropanecarboxamide
CAS 2034258-86-9C21H21NO5
3-[(1-{[(9H-Fluoren-9-yl)methoxy]carbonyl}azetidin-3-yl)oxy]propanoic acid chemical structure, C21H21NO5, CAS 2137788-10-2
3-[(1-{[(9H-Fluoren-9-yl)methoxy]carbonyl}azetidin-3-yl)oxy]propanoic acid
CAS 2137788-10-2C21H21NO5
(3S,4S)-4-(9H-Fluoren-9-ylmethoxycarbonylamino)oxane-3-carboxylic acid chemical structure, C21H21NO5, CAS 2375250-62-5
(3S,4S)-4-(9H-Fluoren-9-ylmethoxycarbonylamino)oxane-3-carboxylic acid
CAS 2375250-62-5C21H21NO5
Ethyl 6-Methoxy-7-[(4-methoxybenzyl)oxy]quinoline-3-carboxylate chemical structure, C21H21NO5, CAS 2752182-33-3
Ethyl 6-Methoxy-7-[(4-methoxybenzyl)oxy]quinoline-3-carboxylate
CAS 2752182-33-3C21H21NO5
2-[4-(9H-Fluoren-9-ylmethoxycarbonylamino)oxolan-3-yl]acetic acid chemical structure, C21H21NO5, CAS 2413877-86-6
2-[4-(9H-Fluoren-9-ylmethoxycarbonylamino)oxolan-3-yl]acetic acid
CAS 2413877-86-6C21H21NO5
2-(9H-Fluoren-9-ylmethoxycarbonylamino)-2-(1-hydroxycyclobutyl)acetic acid chemical structure, C21H21NO5, CAS 2413870-56-9
2-(9H-Fluoren-9-ylmethoxycarbonylamino)-2-(1-hydroxycyclobutyl)acetic acid
CAS 2413870-56-9C21H21NO5
1-[({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)methyl]-3-hydroxycyclobutane-1-carboxylic acid chemical structure, C21H21NO5, CAS 2138514-35-7
1-[({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)methyl]-3-hydroxycyclobutane-1-carboxylic acid
CAS 2138514-35-7C21H21NO5
(2R)-4-{[(9H-Fluoren-9-yl)methoxy]carbonyl}-1,4-oxazepane-2-carboxylic acid chemical structure, C21H21NO5, CAS 2639622-06-1
(2R)-4-{[(9H-Fluoren-9-yl)methoxy]carbonyl}-1,4-oxazepane-2-carboxylic acid
CAS 2639622-06-1C21H21NO5
(1S,3R,4R)-3-({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)-4-hydroxycyclopentane-1-carboxylic acid chemical structure, C21H21NO5, CAS 872174-21-5
(1S,3R,4R)-3-({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)-4-hydroxycyclopentane-1-carboxylic acid
CAS 872174-21-5C21H21NO5
rac-(3R,4R)-1-{[(9H-fluoren-9-yl)methoxy]carbonyl}-3-hydroxypiperidine-4-carboxylicacid chemical structure, C21H21NO5, CAS 2672502-24-6
rac-(3R,4R)-1-{[(9H-fluoren-9-yl)methoxy]carbonyl}-3-hydroxypiperidine-4-carboxylicacid
CAS 2672502-24-6C21H21NO5
rac-(3R,5S)-5-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)oxane-3-carboxylic acid chemical structure, C21H21NO5, CAS 2639390-82-0
rac-(3R,5S)-5-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)oxane-3-carboxylic acid
CAS 2639390-82-0C21H21NO5
(3S)-4-{[(9H-Fluoren-9-yl)methoxy]carbonyl}-1,4-oxazepane-3-carboxylic acid chemical structure, C21H21NO5, CAS 2639623-14-4
(3S)-4-{[(9H-Fluoren-9-yl)methoxy]carbonyl}-1,4-oxazepane-3-carboxylic acid
CAS 2639623-14-4C21H21NO5
(2S,5S)-4-{[(9H-Fluoren-9-yl)methoxy]carbonyl}-5-methylmorpholine-2-carboxylic acid chemical structure, C21H21NO5, CAS 3017120-54-3
(2S,5S)-4-{[(9H-Fluoren-9-yl)methoxy]carbonyl}-5-methylmorpholine-2-carboxylic acid
CAS 3017120-54-3C21H21NO5
(2S)-4-{[(9H-Fluoren-9-yl)methoxy]carbonyl}-1,4-oxazepane-2-carboxylic acid chemical structure, C21H21NO5, CAS 2639623-69-9
(2S)-4-{[(9H-Fluoren-9-yl)methoxy]carbonyl}-1,4-oxazepane-2-carboxylic acid
CAS 2639623-69-9C21H21NO5
Chelidonine-6,6,12-d3, 13-methyl-, (12alpha,14beta)-(+-)- chemical structure, C21H21NO5, CAS 93644-74-7
Chelidonine-6,6,12-d3, 13-methyl-, (12alpha,14beta)-(+-)-
CAS 93644-74-7C21H21NO5
5-(2,4-Dimethoxyphenyl)-1-(4-methoxyphenyl)-2-methyl-1H-pyrrole-3-carboxylic acid chemical structure, C21H21NO5, CAS 723303-37-5
5-(2,4-Dimethoxyphenyl)-1-(4-methoxyphenyl)-2-methyl-1H-pyrrole-3-carboxylic acid
CAS 723303-37-5C21H21NO5
(2S,5R)-5-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)tetrahydro-2H-pyran-2-carboxylic acid chemical structure, C21H21NO5, CAS 603130-03-6
(2S,5R)-5-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)tetrahydro-2H-pyran-2-carboxylic acid
CAS 603130-03-6C21H21NO5
Ethyl 7-benzoyloxy-6-methoxy-1-methyl-3,4-dihydroisoquinoline-3-carboxylate chemical structure, C21H21NO5, CAS 115851-97-3
Ethyl 7-benzoyloxy-6-methoxy-1-methyl-3,4-dihydroisoquinoline-3-carboxylate
CAS 115851-97-3C21H21NO5
(2R,3S)-1-(9H-Fluoren-9-ylmethoxycarbonyl)-3-hydroxy-piperidine-2-carboxylic acid chemical structure, C21H21NO5, CAS 2766435-22-5
(2R,3S)-1-(9H-Fluoren-9-ylmethoxycarbonyl)-3-hydroxy-piperidine-2-carboxylic acid
CAS 2766435-22-5C21H21NO5

Frequently asked questions

What is the molar mass of C21H21NO5?

The molar mass of C21H21NO5 is 367.40 g/mol, calculated from standard atomic weights for 21 carbon atoms, 21 hydrogen atoms, 1 nitrogen atom and 5 oxygen atoms. The monoisotopic mass is 370.1608 Da.

How many compounds have the formula C21H21NO5?

CompoundList lists 333 compounds with the molecular formula C21H21NO5, including 4-Hydroxy-6-(4-methoxy-phenoxy)-isoquinoline-3-carboxylic acid butyl ester, 1-(9H-Fluoren-9-yl)methyl 2-methyl (2S,4S)-4-hydroxypyrrolidine-1,2-dicarboxylate, Methyl 5-[[(2-Hydroxybenzyl)(4-methoxyphenyl)amino]methyl]furan-2-carboxylate. 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 C21H21NO5?

C21H21NO5 has a degree of unsaturation of 12. 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.