Molecular formula
C21H23NO5
256 compounds have this formula on CompoundList.
- Molar mass
- 369.42g/mol
- Monoisotopic mass
- 378.2141Da
- Atoms
- 50
- Elements
- 4
- Rings plus double bonds
- 11
The formula C21H23NO5 describes a molecule made of 21 carbon atoms, 23 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 × 2168.28%12.011 × 21 = 252.231 g/mol
- H Hydrogen × 236.28%1.008 × 23 = 23.184 g/mol
- N Nitrogen × 13.79%14.007 × 1 = 14.007 g/mol
- O Oxygen × 521.65%15.999 × 5 = 79.995 g/mol
Look up another formula
Compounds with the formula C21H23NO5
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 201 to 256 of 256 compounds
![2-[3-(Benzyloxy)-1-{[(benzyloxy)carbonyl]amino}cyclobutyl]acetic acid chemical structure, C21H23NO5, CAS 2161599-11-5](/s/XXQAMKIUPAIJOT-UHFFFAOYSA-N.svg)
2-[3-(Benzyloxy)-1-{[(benzyloxy)carbonyl]amino}cyclobutyl]acetic acid
CAS 2161599-11-5C21H23NO5
![2-({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)-5-hydroxyhexanoic acid chemical structure, C21H23NO5, CAS 2171588-71-7](/s/GPRRFCVJOPOWCC-UHFFFAOYSA-N.svg)
2-({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)-5-hydroxyhexanoic acid
CAS 2171588-71-7C21H23NO5
![3-{[(Benzyloxy)carbonyl]amino}-1-(3-methoxy-4-methylphenyl)cyclobutane-1-carboxylic acid chemical structure, C21H23NO5, CAS 2172148-83-1](/s/TYTMMDYUTCTIAH-UHFFFAOYSA-N.svg)
3-{[(Benzyloxy)carbonyl]amino}-1-(3-methoxy-4-methylphenyl)cyclobutane-1-carboxylic acid
CAS 2172148-83-1C21H23NO5
![rac-(3R,4S)-1-[(Benzyloxy)carbonyl]-4-(4-ethoxyphenyl)pyrrolidine-3-carboxylic acid chemical structure, C21H23NO5, CAS 2227753-81-1](/s/LEGREUFXXCKZMQ-RBUKOAKNSA-N.svg)
rac-(3R,4S)-1-[(Benzyloxy)carbonyl]-4-(4-ethoxyphenyl)pyrrolidine-3-carboxylic acid
CAS 2227753-81-1C21H23NO5
![rac-(3R,4S)-1-[(Benzyloxy)carbonyl]-4-(2-methoxy-5-methylphenyl)pyrrolidine-3-carboxylic acid chemical structure, C21H23NO5, CAS 2227788-18-1](/s/GWYODWGZWDWRLY-ZWKOTPCHSA-N.svg)
rac-(3R,4S)-1-[(Benzyloxy)carbonyl]-4-(2-methoxy-5-methylphenyl)pyrrolidine-3-carboxylic acid
CAS 2227788-18-1C21H23NO5
![3-[({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)methyl]-4-hydroxy-3-methylbutanoic acid chemical structure, C21H23NO5, CAS 2172583-32-1](/s/QPLCSRSGSKMCPK-UHFFFAOYSA-N.svg)
3-[({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)methyl]-4-hydroxy-3-methylbutanoic acid
CAS 2172583-32-1C21H23NO5
![4-({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)-2-hydroxy-3,3-dimethylbutanoic acid chemical structure, C21H23NO5, CAS 2803852-44-8](/s/XYSAYDYXMBVVEL-UHFFFAOYSA-N.svg)
4-({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)-2-hydroxy-3,3-dimethylbutanoic acid
CAS 2803852-44-8C21H23NO5
![1-[(Benzyloxy)carbonyl]-3-[2-(benzyloxy)ethyl]azetidine-3-carboxylic acid chemical structure, C21H23NO5, CAS 2803852-67-5](/s/UAVPCYZDCLKYPI-UHFFFAOYSA-N.svg)
1-[(Benzyloxy)carbonyl]-3-[2-(benzyloxy)ethyl]azetidine-3-carboxylic acid
CAS 2803852-67-5C21H23NO5
![4-({[(9H-Fluoren-9-yl)methoxy]carbonyl}(2-hydroxyethyl)amino)butanoic acid chemical structure, C21H23NO5, CAS 2243503-70-8](/s/SFUMWLUXNIJPRG-UHFFFAOYSA-N.svg)
4-({[(9H-Fluoren-9-yl)methoxy]carbonyl}(2-hydroxyethyl)amino)butanoic acid
CAS 2243503-70-8C21H23NO5
![rac-(3R,4S)-1-[(Benzyloxy)carbonyl]-4-(3-ethoxyphenyl)pyrrolidine-3-carboxylic acid chemical structure, C21H23NO5, CAS 2227835-78-9](/s/CCHUWXXAVJECEK-RBUKOAKNSA-N.svg)
rac-(3R,4S)-1-[(Benzyloxy)carbonyl]-4-(3-ethoxyphenyl)pyrrolidine-3-carboxylic acid
CAS 2227835-78-9C21H23NO5
![1-[(Benzyloxy)carbonyl]-4-(3-ethoxyphenyl)pyrrolidine-3-carboxylic acid chemical structure, C21H23NO5, CAS 2171904-63-3](/s/CCHUWXXAVJECEK-UHFFFAOYSA-N.svg)
1-[(Benzyloxy)carbonyl]-4-(3-ethoxyphenyl)pyrrolidine-3-carboxylic acid
CAS 2171904-63-3C21H23NO5
![1-[(Benzyloxy)carbonyl]-4-(2-methoxy-4-methylphenyl)pyrrolidine-3-carboxylic acid chemical structure, C21H23NO5, CAS 2172225-67-9](/s/WFNCGNAXTPUFFU-UHFFFAOYSA-N.svg)
1-[(Benzyloxy)carbonyl]-4-(2-methoxy-4-methylphenyl)pyrrolidine-3-carboxylic acid
CAS 2172225-67-9C21H23NO5
![rac-(3R,4S)-1-[(Benzyloxy)carbonyl]-4-(2-methoxy-4-methylphenyl)pyrrolidine-3-carboxylic acid chemical structure, C21H23NO5, CAS 2227884-45-7](/s/WFNCGNAXTPUFFU-ZWKOTPCHSA-N.svg)
rac-(3R,4S)-1-[(Benzyloxy)carbonyl]-4-(2-methoxy-4-methylphenyl)pyrrolidine-3-carboxylic acid
CAS 2227884-45-7C21H23NO5
![2-({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)-4-hydroxyhexanoic acid chemical structure, C21H23NO5, CAS 2156881-11-5](/s/ZVUGCXQEWDLKDJ-UHFFFAOYSA-N.svg)
2-({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)-4-hydroxyhexanoic acid
CAS 2156881-11-5C21H23NO5
![1-[(Benzyloxy)carbonyl]-4-(2-methoxy-5-methylphenyl)pyrrolidine-3-carboxylic acid chemical structure, C21H23NO5, CAS 2172311-44-1](/s/GWYODWGZWDWRLY-UHFFFAOYSA-N.svg)
1-[(Benzyloxy)carbonyl]-4-(2-methoxy-5-methylphenyl)pyrrolidine-3-carboxylic acid
CAS 2172311-44-1C21H23NO5
![2-({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)-3-hydroxyhexanoic acid chemical structure, C21H23NO5, CAS 2171799-54-3](/s/XKNFDCTVPIEIRN-UHFFFAOYSA-N.svg)
2-({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)-3-hydroxyhexanoic acid
CAS 2171799-54-3C21H23NO5
![1-[(Benzyloxy)carbonyl]-4-(4-ethoxyphenyl)pyrrolidine-3-carboxylic acid chemical structure, C21H23NO5, CAS 2172305-55-2](/s/LEGREUFXXCKZMQ-UHFFFAOYSA-N.svg)
1-[(Benzyloxy)carbonyl]-4-(4-ethoxyphenyl)pyrrolidine-3-carboxylic acid
CAS 2172305-55-2C21H23NO5
![4-({[(9H-Fluoren-9-yl)methoxy]carbonyl}(methyl)amino)-3-hydroxy-2-methylbutanoic acid chemical structure, C21H23NO5, CAS 2580221-39-0](/s/QUMDMHIPIJWYTN-UHFFFAOYSA-N.svg)
4-({[(9H-Fluoren-9-yl)methoxy]carbonyl}(methyl)amino)-3-hydroxy-2-methylbutanoic acid
CAS 2580221-39-0C21H23NO5
![rac-(2R,6S)-1-[(Benzyloxy)carbonyl]-6-(4-methoxyphenyl)piperidine-2-carboxylic acid chemical structure, C21H23NO5, CAS 2639375-75-8](/s/FXLPXYYEVSSQMO-RBUKOAKNSA-N.svg)
rac-(2R,6S)-1-[(Benzyloxy)carbonyl]-6-(4-methoxyphenyl)piperidine-2-carboxylic acid
CAS 2639375-75-8C21H23NO5
![2-{2-[(Benzyloxy)carbonyl]-6-hydroxy-1,2,3,4-tetrahydroisoquinolin-1-yl}-2-methylpropanoic acid chemical structure, C21H23NO5, CAS 2639444-82-7](/s/JVYGHCCLQWOHSA-UHFFFAOYSA-N.svg)
2-{2-[(Benzyloxy)carbonyl]-6-hydroxy-1,2,3,4-tetrahydroisoquinolin-1-yl}-2-methylpropanoic acid
CAS 2639444-82-7C21H23NO5
![4-{[(Benzyloxy)carbonyl][2-(oxolan-2-yl)ethyl]amino}benzoic acid chemical structure, C21H23NO5, CAS 2639457-38-6](/s/OCLWHXLQRRETBN-UHFFFAOYSA-N.svg)
4-{[(Benzyloxy)carbonyl][2-(oxolan-2-yl)ethyl]amino}benzoic acid
CAS 2639457-38-6C21H23NO5
![1-[(Benzyloxy)carbonyl]-4-[4-(methoxymethyl)phenyl]pyrrolidine-3-carboxylic acid chemical structure, C21H23NO5, CAS 2353064-95-4](/s/VWBQDVGLMHHIIN-UHFFFAOYSA-N.svg)
1-[(Benzyloxy)carbonyl]-4-[4-(methoxymethyl)phenyl]pyrrolidine-3-carboxylic acid
CAS 2353064-95-4C21H23NO5
![2-[4-({1-[(Benzyloxy)carbonyl]piperidin-4-yl}oxy)phenyl]acetic acid chemical structure, C21H23NO5, CAS 2639443-56-2](/s/MZZXHSIUSRFCTP-UHFFFAOYSA-N.svg)
2-[4-({1-[(Benzyloxy)carbonyl]piperidin-4-yl}oxy)phenyl]acetic acid
CAS 2639443-56-2C21H23NO5
![2-({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)-3-hydroxy-2,3-dimethylbutanoic acid chemical structure, C21H23NO5, CAS 2354401-20-8](/s/PXDSSUGMILKUPM-UHFFFAOYSA-N.svg)
2-({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)-3-hydroxy-2,3-dimethylbutanoic acid
CAS 2354401-20-8C21H23NO5
- 1-{[(Benzyloxy)carbonyl]amino}-3-[(benzyloxy)methyl]cyclobutane-1-carboxylic acid2386398-65-6C21H23NO5
- 4-{Benzyl[(benzyloxy)carbonyl]amino}oxane-4-carboxylic acid2680874-52-4C21H23NO5
- 4-{[(Benzyloxy)carbonyl][2-(4-methylphenyl)-2-oxoethyl]amino}butanoic acid2680899-47-0C21H23NO5
- 3-({[(9H-Fluoren-9-yl)methoxy]carbonyl}(3-hydroxypropyl)amino)propanoic acid2680678-70-8C21H23NO5
- 5-({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)-2-hydroxyhexanoic acid2763902-49-2C21H23NO5
- (9H-Fluoren-9-yl)methyl N-[1-(1,3-dioxolan-2-yl)-3-hydroxypropan-2-yl]carbamate2764015-84-9C21H23NO5
- rac-(9H-Fluoren-9-yl)methyl N-{[(2R,5S)-5-(hydroxymethyl)-1,4-dioxan-2-yl]methyl}carbamate2764002-05-1C21H23NO5
- Methyl 3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-2-hydroxypentanoate2763902-87-8C21H23NO5
- (9H-Fluoren-9-yl)methyl (2S,6S)-2-(hydroxymethyl)-6-methoxymorpholine-4-carboxylate2763885-38-5C21H23NO5
- Methyl (2R)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-3-hydroxy-3-methylbutanoate2763885-18-1C21H23NO5
- Methyl 2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-3-hydroxy-3-methylbutanoate2385290-24-2C21H23NO5
- Methyl (2S)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-3-hydroxy-3-methylbutanoate2763887-39-2C21H23NO5
- 2-[({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)methyl]-3-methoxy-2-methylpropanoic acid2770529-94-5C21H23NO5
- (3S)-3-({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)-2-hydroxyhexanoic acid1418311-54-2C21H23NO5
- Salutaridine acetate2611-69-0C21H23NO5
- Fmoc-Thr-OEt882041-04-5C21H23NO5
- 2-[4-[Ethyl(oxolan-2-ylmethyl)amino]-2-hydroxybenzoyl]benzoic acid102259-23-4C21H23NO5
- Methyl 2-(2-(2,5-dimethoxy-3,4,6-trimethylphenyl)benzo[d]oxazol-5-yl)acetate89048-22-6C21H23NO5
- N-Diacetylnorcodeine89493-70-9C21H23NO5
- 6,7-Dimethoxy-6'-methylspiro[3,4-dihydrochromene-2,5'-7,8-dihydro-[1,3]dioxolo[4,5-g]isoquinoline]87264-55-9C21H23NO5
- (R)-2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-3-methoxy-3-methylbutanoic acid2350458-76-1C21H23NO5
- 1-((Benzyloxy)carbonyl)-2-(2-hydroxy-3-methylphenyl)piperidine-4-carboxylic acid2358613-46-2C21H23NO5
- 1-((Benzyloxy)carbonyl)-2-(3-methoxy-4-methylphenyl)pyrrolidine-3-carboxylic acid2360258-79-1C21H23NO5
- (2R,5S)-2-(9H-Fluoren-9-ylmethoxycarbonylamino)-5-hydroxy-hexanoic acid2350362-33-1C21H23NO5
- (2R,5R)-2-(9H-Fluoren-9-ylmethoxycarbonylamino)-5-hydroxy-hexanoic acid2350820-26-5C21H23NO5
- (2S,5S)-2-(9H-Fluoren-9-ylmethoxycarbonylamino)-5-hydroxy-hexanoic acid2350040-32-1C21H23NO5
- (2S,5R)-2-(9H-Fluoren-9-ylmethoxycarbonylamino)-5-hydroxy-hexanoic acid2348352-51-0C21H23NO5
- 3-(9H-Fluoren-9-ylmethoxycarbonylamino)-4-hydroxy-4-methyl-pentanoic acid2351912-23-5C21H23NO5
- (3S)-3-(9H-Fluoren-9-ylmethoxycarbonylamino)-4-hydroxy-4-methyl-pentanoic acid2349588-94-7C21H23NO5
- (3R)-3-(9H-Fluoren-9-ylmethoxycarbonylamino)-4-hydroxy-4-methyl-pentanoic acid2349559-41-5C21H23NO5
- 3-(N-Fmoc-N-methylamino)-4-methoxybutanoic Acid2385433-08-7C21H23NO5
- (S)-Methyl 2-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-5-hydroxypentanoate182005-24-9C21H23NO5
Frequently asked questions
What is the molar mass of C21H23NO5?
The molar mass of C21H23NO5 is 369.42 g/mol, calculated from standard atomic weights for 21 carbon atoms, 23 hydrogen atoms, 1 nitrogen atom and 5 oxygen atoms. The monoisotopic mass is 378.2141 Da.
How many compounds have the formula C21H23NO5?
CompoundList lists 256 compounds with the molecular formula C21H23NO5, including 2-[3-(Benzyloxy)-1-{[(benzyloxy)carbonyl]amino}cyclobutyl]acetic acid, 2-({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)-5-hydroxyhexanoic acid, 3-{[(Benzyloxy)carbonyl]amino}-1-(3-methoxy-4-methylphenyl)cyclobutane-1-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 C21H23NO5?
C21H23NO5 has a degree of unsaturation of 11. 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.