CompoundList
Sign in
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 301 to 333 of 333 compounds

Prop-2-yn-1-yl 3-(2-{[(benzyloxy)carbonyl]amino}propoxy)benzoate chemical structure, C21H21NO5, CAS 2680790-70-7
Prop-2-yn-1-yl 3-(2-{[(benzyloxy)carbonyl]amino}propoxy)benzoate
CAS 2680790-70-7C21H21NO5
1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 2-(3-tert-butylphenoxy)propanoate chemical structure, C21H21NO5, CAS 2248402-18-6
1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 2-(3-tert-butylphenoxy)propanoate
CAS 2248402-18-6C21H21NO5
1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 6-(4-methoxyphenyl)hexanoate chemical structure, C21H21NO5, CAS 2248373-74-0
1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 6-(4-methoxyphenyl)hexanoate
CAS 2248373-74-0C21H21NO5
1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 2-[(benzyloxy)methyl]-2-methylbutanoate chemical structure, C21H21NO5, CAS 2248318-69-4
1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 2-[(benzyloxy)methyl]-2-methylbutanoate
CAS 2248318-69-4C21H21NO5
1-(9H-Fluoren-9-yl)methyl 3-methyl 3-(hydroxymethyl)azetidine-1,3-dicarboxylate chemical structure, C21H21NO5, CAS 2764002-52-8
1-(9H-Fluoren-9-yl)methyl 3-methyl 3-(hydroxymethyl)azetidine-1,3-dicarboxylate
CAS 2764002-52-8C21H21NO5
1-(9H-Fluoren-9-yl)methyl 3-methyl 3-hydroxypyrrolidine-1,3-dicarboxylate chemical structure, C21H21NO5, CAS 2763997-75-5
1-(9H-Fluoren-9-yl)methyl 3-methyl 3-hydroxypyrrolidine-1,3-dicarboxylate
CAS 2763997-75-5C21H21NO5
1-{[(9H-Fluoren-9-yl)methoxy]carbonyl}-2-(methoxymethyl)azetidine-2-carboxylic acid chemical structure, C21H21NO5, CAS 2870681-53-9
1-{[(9H-Fluoren-9-yl)methoxy]carbonyl}-2-(methoxymethyl)azetidine-2-carboxylic acid
CAS 2870681-53-9C21H21NO5
rac-(3R,4S)-1-{[(9H-fluoren-9-yl)methoxy]carbonyl}-4-methoxypyrrolidine-3-carboxylic acid chemical structure, C21H21NO5, CAS 2870645-16-0
rac-(3R,4S)-1-{[(9H-fluoren-9-yl)methoxy]carbonyl}-4-methoxypyrrolidine-3-carboxylic acid
CAS 2870645-16-0C21H21NO5
2-[(1s,3s)-3-({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)cyclobutoxy]acetic acid chemical structure, C21H21NO5, CAS 2920085-50-1
2-[(1s,3s)-3-({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)cyclobutoxy]acetic acid
CAS 2920085-50-1C21H21NO5
4-{[(9H-Fluoren-9-yl)methoxy]carbonyl}-1,4-oxazepane-7-carboxylic acid chemical structure, C21H21NO5, CAS 2751332-31-5
4-{[(9H-Fluoren-9-yl)methoxy]carbonyl}-1,4-oxazepane-7-carboxylic acid
CAS 2751332-31-5C21H21NO5
(S)-4-(((9H-Fluoren-9-yl)methoxy)carbonyl)-1,4-oxazepane-6-carboxylic acid chemical structure, C21H21NO5, CAS 2381367-61-7
(S)-4-(((9H-Fluoren-9-yl)methoxy)carbonyl)-1,4-oxazepane-6-carboxylic acid
CAS 2381367-61-7C21H21NO5
S-4-Fmoc-1,4-oxazepane-5-carboxylic acid chemical structure, C21H21NO5, CAS 2639624-12-5
S-4-Fmoc-1,4-oxazepane-5-carboxylic acid
CAS 2639624-12-5C21H21NO5
(R)-4-(((9H-Fluoren-9-yl)methoxy)carbonyl)-1,4-oxazepane-6-carboxylic acid chemical structure, C21H21NO5, CAS 2742154-68-1
(R)-4-(((9H-Fluoren-9-yl)methoxy)carbonyl)-1,4-oxazepane-6-carboxylic acid
CAS 2742154-68-1C21H21NO5
R-4-Fmoc-1,4-oxazepane-5-carboxylic acid chemical structure, C21H21NO5, CAS 2639622-05-0
R-4-Fmoc-1,4-oxazepane-5-carboxylic acid
CAS 2639622-05-0C21H21NO5
Dibenzyl (2S)-4-oxopiperidine-1,2-dicarboxylate chemical structure, C21H21NO5, CAS 288620-85-9
Dibenzyl (2S)-4-oxopiperidine-1,2-dicarboxylate
CAS 288620-85-9C21H21NO5
4-((9H-Fluoren-9-yl)methyl) 3-methyl (R)-morpholine-3,4-dicarboxylate chemical structure, C21H21NO5
4-((9H-Fluoren-9-yl)methyl) 3-methyl (R)-morpholine-3,4-dicarboxylate
C21H21NO5
Acetyloxy-2,6-dimethylphenoxy]-1-methylethyl]-1H-isoindole-1,3(2H)-dione chemical structure, C21H21NO5, CAS 1356452-05-5
Acetyloxy-2,6-dimethylphenoxy]-1-methylethyl]-1H-isoindole-1,3(2H)-dione
CAS 1356452-05-5C21H21NO5
Dibenzyl (2S)-4-oxopiperidine-1,2-dicarboxylate chemical structure, C21H21NO5
Dibenzyl (2S)-4-oxopiperidine-1,2-dicarboxylate
C21H21NO5
Fmoc-trans-Pro(4-CH2OH)-OH chemical structure, C21H21NO5, CAS 223581-91-7
Fmoc-trans-Pro(4-CH2OH)-OH
CAS 223581-91-7C21H21NO5
4-{[(9H-Fluoren-9-yl)methoxy]carbonyl}-3-methylmorpholine-3-carboxylic acid chemical structure, C21H21NO5, CAS 1822843-36-6
4-{[(9H-Fluoren-9-yl)methoxy]carbonyl}-3-methylmorpholine-3-carboxylic acid
CAS 1822843-36-6C21H21NO5
Ethyl 4-(3,5-dimethoxyphenyl)-6-methoxyquinoline-2-carboxylate chemical structure, C21H21NO5, CAS 2045172-83-4
Ethyl 4-(3,5-dimethoxyphenyl)-6-methoxyquinoline-2-carboxylate
CAS 2045172-83-4C21H21NO5
Ethyl 3-acetyl-5-oxo-1-(4-phenoxyphenyl)pyrrolidine-2-carboxylate chemical structure, C21H21NO5, CAS 2379392-68-2
Ethyl 3-acetyl-5-oxo-1-(4-phenoxyphenyl)pyrrolidine-2-carboxylate
CAS 2379392-68-2C21H21NO5
(S)-2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-2-((S)-tetrahydrofuran-3-yl)acetic acid chemical structure, C21H21NO5, CAS 181954-47-2
(S)-2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-2-((S)-tetrahydrofuran-3-yl)acetic acid
CAS 181954-47-2C21H21NO5
2-[(E)-3-(3,4,5-Trimethoxyphenyl)prop-2-enoyl]-3,4-dihydroisoquinolin-1-one chemical structure, C21H21NO5, CAS 2639833-10-4
2-[(E)-3-(3,4,5-Trimethoxyphenyl)prop-2-enoyl]-3,4-dihydroisoquinolin-1-one
CAS 2639833-10-4C21H21NO5

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 Prop-2-yn-1-yl 3-(2-{[(benzyloxy)carbonyl]amino}propoxy)benzoate, 1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 2-(3-tert-butylphenoxy)propanoate, 1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 6-(4-methoxyphenyl)hexanoate. 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.