Molecular formula
C20H21NO4
463 compounds have this formula on CompoundList.
- Molar mass
- 339.39g/mol
- Monoisotopic mass
- 349.1633Da
- Atoms
- 46
- Elements
- 4
- Rings plus double bonds
- 11
The formula C20H21NO4 describes a molecule made of 20 carbon atoms, 21 hydrogen atoms, 1 nitrogen atom and 4 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 × 2070.78%12.011 × 20 = 240.220 g/mol
- H Hydrogen × 216.24%1.008 × 21 = 21.168 g/mol
- N Nitrogen × 14.13%14.007 × 1 = 14.007 g/mol
- O Oxygen × 418.86%15.999 × 4 = 63.996 g/mol
Look up another formula
Compounds with the formula C20H21NO4
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 401 to 463 of 463 compounds
![2-{1-[(Benzyloxy)carbonyl]-2,3,4,5-tetrahydro-1H-1-benzazepin-5-yl}acetic acid chemical structure, C20H21NO4, CAS 2639437-94-6](/s/RRNRNWVABPJNAR-UHFFFAOYSA-N.svg)
2-{1-[(Benzyloxy)carbonyl]-2,3,4,5-tetrahydro-1H-1-benzazepin-5-yl}acetic acid
CAS 2639437-94-6C20H21NO4
![(3R,4R)-4-Benzyl-1-[(benzyloxy)carbonyl]pyrrolidine-3-carboxylic acid chemical structure, C20H21NO4, CAS 2639390-81-9](/s/RGZHMJBMVWLAHB-ROUUACIJSA-N.svg)
(3R,4R)-4-Benzyl-1-[(benzyloxy)carbonyl]pyrrolidine-3-carboxylic acid
CAS 2639390-81-9C20H21NO4
![4-{1-[(Benzyloxy)carbonyl]piperidin-3-yl}benzoic acid chemical structure, C20H21NO4, CAS 2639453-27-1](/s/VNXHQPLDBZCCPK-UHFFFAOYSA-N.svg)
4-{1-[(Benzyloxy)carbonyl]piperidin-3-yl}benzoic acid
CAS 2639453-27-1C20H21NO4
![3-{1-[(Benzyloxy)carbonyl]-5-methyl-2,3-dihydro-1H-indol-3-yl}propanoic acid chemical structure, C20H21NO4, CAS 2639447-33-7](/s/KZZOALSUAPGEGU-UHFFFAOYSA-N.svg)
3-{1-[(Benzyloxy)carbonyl]-5-methyl-2,3-dihydro-1H-indol-3-yl}propanoic acid
CAS 2639447-33-7C20H21NO4
![1-[(Benzyloxy)carbonyl]-3-phenylpiperidine-4-carboxylic acid chemical structure, C20H21NO4, CAS 2639454-55-8](/s/IGYRNRWCCKHNBD-UHFFFAOYSA-N.svg)
1-[(Benzyloxy)carbonyl]-3-phenylpiperidine-4-carboxylic acid
CAS 2639454-55-8C20H21NO4
![2-{1-[(Benzyloxy)carbonyl]piperidin-4-yl}benzoic acid chemical structure, C20H21NO4, CAS 2639446-49-2](/s/JMUQRAZORMZYSN-UHFFFAOYSA-N.svg)
2-{1-[(Benzyloxy)carbonyl]piperidin-4-yl}benzoic acid
CAS 2639446-49-2C20H21NO4
![3-{1-[(Benzyloxy)carbonyl]piperidin-2-yl}benzoic acid chemical structure, C20H21NO4, CAS 2639443-53-9](/s/XQDSJMRLJAVYHB-UHFFFAOYSA-N.svg)
3-{1-[(Benzyloxy)carbonyl]piperidin-2-yl}benzoic acid
CAS 2639443-53-9C20H21NO4
![1-[(Benzyloxy)carbonyl]-5,8-dimethyl-1,2,3,4-tetrahydroquinoline-6-carboxylic acid chemical structure, C20H21NO4, CAS 2639449-66-2](/s/FTQMVCSLVALJMY-UHFFFAOYSA-N.svg)
1-[(Benzyloxy)carbonyl]-5,8-dimethyl-1,2,3,4-tetrahydroquinoline-6-carboxylic acid
CAS 2639449-66-2C20H21NO4
amino}benzoic acid chemical structure, C20H21NO4, CAS 2639451-06-0](/s/DAEKMACIAZPLFZ-UHFFFAOYSA-N.svg)
2-{[(Benzyloxy)carbonyl](cyclopentyl)amino}benzoic acid
CAS 2639451-06-0C20H21NO4
![3-{2-[(Benzyloxy)carbonyl]-1,2,3,4-tetrahydroisoquinolin-6-yl}propanoic acid chemical structure, C20H21NO4, CAS 2639451-25-3](/s/YLPXGUCIHCQFJX-UHFFFAOYSA-N.svg)
3-{2-[(Benzyloxy)carbonyl]-1,2,3,4-tetrahydroisoquinolin-6-yl}propanoic acid
CAS 2639451-25-3C20H21NO4
![2-{Benzyl[(benzyloxy)carbonyl]amino}-2-cyclopropylacetic acid chemical structure, C20H21NO4, CAS 2680541-73-3](/s/SFBYMZKZEXSDMU-UHFFFAOYSA-N.svg)
2-{Benzyl[(benzyloxy)carbonyl]amino}-2-cyclopropylacetic acid
CAS 2680541-73-3C20H21NO4
![(2S)-2-{[(Benzyloxy)carbonyl]amino}-3-(2,3-dihydro-1H-inden-5-yl)propanoic acid chemical structure, C20H21NO4, CAS 2349605-74-7](/s/BTUAIKZBRNPRGI-SFHVURJKSA-N.svg)
(2S)-2-{[(Benzyloxy)carbonyl]amino}-3-(2,3-dihydro-1H-inden-5-yl)propanoic acid
CAS 2349605-74-7C20H21NO4
![(2S)-2-{[(Benzyloxy)carbonyl]amino}-3-[3-(prop-2-en-1-yl)phenyl]propanoic acid chemical structure, C20H21NO4, CAS 2679942-70-0](/s/FNFOFNJYIGJKQC-SFHVURJKSA-N.svg)
(2S)-2-{[(Benzyloxy)carbonyl]amino}-3-[3-(prop-2-en-1-yl)phenyl]propanoic acid
CAS 2679942-70-0C20H21NO4
Benzyl 4-(4-hydroxybenzoyl)piperidine-1-carboxylate
CAS 2680744-89-0C20H21NO4
![Benzyl 4-hydroxy-3,4-dihydrospiro[1-benzopyran-2,3'-pyrrolidine]-1'-carboxylate chemical structure, C20H21NO4, CAS 2680676-71-3](/s/UKDOSWAAJZWJBL-UHFFFAOYSA-N.svg)
Benzyl 4-hydroxy-3,4-dihydrospiro[1-benzopyran-2,3'-pyrrolidine]-1'-carboxylate
CAS 2680676-71-3C20H21NO4
Benzyl 3-(2-oxo-2-phenylethyl)morpholine-4-carboxylate
CAS 2680869-06-9C20H21NO4
![1-{Benzyl[(benzyloxy)carbonyl]amino}cyclobutane-1-carboxylic acid chemical structure, C20H21NO4, CAS 2680792-29-2](/s/FLWMNVWRQAVZMS-UHFFFAOYSA-N.svg)
1-{Benzyl[(benzyloxy)carbonyl]amino}cyclobutane-1-carboxylic acid
CAS 2680792-29-2C20H21NO4
![(2R)-2-{[(Benzyloxy)carbonyl]amino}-3-[3-(prop-2-en-1-yl)phenyl]propanoic acid chemical structure, C20H21NO4, CAS 2679943-71-4](/s/FNFOFNJYIGJKQC-GOSISDBHSA-N.svg)
(2R)-2-{[(Benzyloxy)carbonyl]amino}-3-[3-(prop-2-en-1-yl)phenyl]propanoic acid
CAS 2679943-71-4C20H21NO4
![1-[(Benzyloxy)carbonyl]-6-(propan-2-yl)-2,3-dihydro-1H-indole-2-carboxylic acid chemical structure, C20H21NO4, CAS 2137506-54-6](/s/BYNSGMVGWFDGHR-UHFFFAOYSA-N.svg)
1-[(Benzyloxy)carbonyl]-6-(propan-2-yl)-2,3-dihydro-1H-indole-2-carboxylic acid
CAS 2137506-54-6C20H21NO4
![(9H-Fluoren-9-yl)methyl N-[3-(1-hydroxyethyl)oxetan-3-yl]carbamate chemical structure, C20H21NO4, CAS 2763984-64-9](/s/WQPMXAZGTUZZOW-UHFFFAOYSA-N.svg)
(9H-Fluoren-9-yl)methyl N-[3-(1-hydroxyethyl)oxetan-3-yl]carbamate
CAS 2763984-64-9C20H21NO4
![(9H-Fluoren-9-yl)methyl N-[1-(3-hydroxyoxetan-3-yl)ethyl]carbamate chemical structure, C20H21NO4, CAS 2763931-87-7](/s/AWSKTXSLYGJLHU-UHFFFAOYSA-N.svg)
(9H-Fluoren-9-yl)methyl N-[1-(3-hydroxyoxetan-3-yl)ethyl]carbamate
CAS 2763931-87-7C20H21NO4
![rac-(9H-Fluoren-9-yl)methyl N-[(3R,4R)-4-(hydroxymethyl)oxolan-3-yl]carbamate chemical structure, C20H21NO4, CAS 2763931-98-0](/s/WWXMIMXYNHJUJU-YJYMSZOUSA-N.svg)
rac-(9H-Fluoren-9-yl)methyl N-[(3R,4R)-4-(hydroxymethyl)oxolan-3-yl]carbamate
CAS 2763931-98-0C20H21NO4
![(9H-Fluoren-9-yl)methyl N-[3-(2-hydroxyethyl)oxetan-3-yl]carbamate chemical structure, C20H21NO4, CAS 2763946-50-3](/s/DTLTUGXCKBDPGR-UHFFFAOYSA-N.svg)
(9H-Fluoren-9-yl)methyl N-[3-(2-hydroxyethyl)oxetan-3-yl]carbamate
CAS 2763946-50-3C20H21NO4
(9H-Fluoren-9-yl)methyl N-(3-hydroxyoxan-4-yl)carbamate
CAS 2138988-82-4C20H21NO4
- rac-(9H-Fluoren-9-yl)methyl N-[(3R,4S)-3-hydroxyoxan-4-yl]carbamate2763955-24-2C20H21NO4
- (9H-Fluoren-9-yl)methyl 3-(hydroxymethyl)-3-methoxyazetidine-1-carboxylate2764019-05-6C20H21NO4
- (9H-Fluoren-9-yl)methyl N-[3-(hydroxymethyl)oxetan-3-yl]-N-methylcarbamate2763985-31-3C20H21NO4
- (9H-Fluoren-9-yl)methyl N-[2-hydroxy-1-(oxetan-3-yl)ethyl]carbamate2763922-59-2C20H21NO4
- rac-(9H-Fluoren-9-yl)methyl N-{[(3R,4R)-4-hydroxyoxolan-3-yl]methyl}carbamate2763923-03-9C20H21NO4
- rac-(9H-Fluoren-9-yl)methyl N-[(2R,3R)-3-hydroxy-2-methoxycyclobutyl]carbamate2763900-68-9C20H21NO4
- (9H-Fluoren-9-yl)methyl N-{[3-(hydroxymethyl)oxetan-3-yl]methyl}carbamate2286129-64-2C20H21NO4
- rac-(9H-Fluoren-9-yl)methyl N-[(3R,4R)-4-hydroxyoxan-3-yl]carbamate2271821-02-2C20H21NO4
- (9H-Fluoren-9-yl)methyl 3-(2-hydroxyethoxy)azetidine-1-carboxylate2764002-26-6C20H21NO4
- (9H-Fluoren-9-yl)methyl N-(2-hydroxyethyl)-N-(oxetan-3-yl)carbamate2763924-81-6C20H21NO4
- rac-(9H-Fluoren-9-yl)methyl N-[(3R,4S)-4-hydroxyoxolan-3-yl]-N-methylcarbamate2141352-30-7C20H21NO4
- (9H-Fluoren-9-yl)methyl (3S)-3-(hydroxymethyl)morpholine-4-carboxylate2763887-17-6C20H21NO4
- (9H-Fluoren-9-yl)methyl N-(2,3-dihydroxypent-4-en-1-yl)carbamate2770500-92-8C20H21NO4
- (9H-Fluoren-9-yl)methyl N-[3-hydroxy-3-(hydroxymethyl)cyclobutyl]carbamate2770534-45-5C20H21NO4
- (9H-Fluoren-9-yl)methyl N-[(1S)-2-hydroxy-1-(1-hydroxycyclopropyl)ethyl]carbamate2770451-51-7C20H21NO4
- (9H-Fluoren-9-yl)methyl N-[(1R)-2-hydroxy-1-(1-hydroxycyclopropyl)ethyl]carbamate2770452-31-6C20H21NO4
- 3-{2-[(Benzyloxy)carbonyl]-1,2,3,4-tetrahydroisoquinolin-7-yl}propanoic acid2770534-04-6C20H21NO4
- (9H-Fluoren-9-yl)methyl N-[2,2-bis(hydroxymethyl)cyclopropyl]carbamate2770518-59-5C20H21NO4
- (9H-Fluoren-9-yl)methyl (3R)-3-(hydroxymethyl)morpholine-4-carboxylate2763894-52-4C20H21NO4
- (2R)-2-{[(Benzyloxy)carbonyl]amino}-3-(2,3-dihydro-1H-inden-5-yl)propanoic acid2349858-10-0C20H21NO4
- (9H-Fluoren-9-yl)methyl N-[2-hydroxy-1-(1-hydroxycyclopropyl)ethyl]carbamate2920127-90-6C20H21NO4
- 2-{[(Benzyloxy)carbonyl]amino}-2-(5,6,7,8-tetrahydronaphthalen-2-yl)acetic acid2920116-65-8C20H21NO4
- 1-[(Benzyloxy)carbonyl]-3-phenylpiperidine-3-carboxylic acid2913403-90-2C20H21NO4
- 3-Benzyl-1-{[(benzyloxy)carbonyl]amino}cyclobutane-1-carboxylic acid2359739-16-3C20H21NO4
- 5-(4-Methoxypiperidine-1-carbonyl)-[1,1'-biphenyl]-3-carboxylic acid3078555-03-7C20H21NO4
- 1-(2,4-Dimethoxybenzyl)-1,2,3,4-tetrahydroquinoline-6,8-dicarbaldehyde3026690-43-4C20H21NO4
- (S)-2-(Benzyl((benzyloxy)carbonyl)amino)pent-4-enoic acid109468-24-8C20H21NO4
- (1R,2R,4S,7S,9S,12R)-4,12-Diphenyl-3,5,11,13-tetraoxa-8-azatricyclo[7.4.0.02,7]tridecaneC20H21NO4
- Methyl 5-phenyl-5-(phenylmethoxycarbonylamino)pent-2-enoate1273550-40-5C20H21NO4
- 1-Benzyl-3-methyl-4-phenylpyrrolidine-3,4-dicarboxylic acid1904621-37-9C20H21NO4
- 1-O-Benzyl 3-O-methyl (3S,4R)-4-phenylpyrrolidine-1,3-dicarboxylate2655608-57-2C20H21NO4
- Methyl(3S,4R)-4-hydroxy-5-oxo-4-phenyl-1-((R)-1-phenylethyl)pyrrolidine-3-carboxylate946513-89-9C20H21NO4
- 3-[[(3S,5R)-5-Benzyloxycarbonylpyrrolidin-3-yl]methyl]benzoic acid2649491-11-0C20H21NO4
- rel-1-Benzyl 3-methyl (3R,4S)-4-phenylpyrrolidine-1,3-dicarboxylateC20H21NO4
- 2-(Benzyloxycarbonylamino)-3-indan-2-yl-propanoic acid2351876-29-2C20H21NO4
- (2S)-2-(Benzyloxycarbonylamino)-3-indan-2-yl-propanoic acid2350035-20-8C20H21NO4
- (2R)-2-(Benzyloxycarbonylamino)-3-indan-2-yl-propanoic acid2349678-12-0C20H21NO4
- rac-(3R,5R)-1-[(Benzyloxy)carbonyl]-5-phenylpiperidine-3-carboxylic acid2580099-59-6C20H21NO4
- (2S)-2-(9H-Fluoren-9-ylmethoxycarbonylamino)-3-(114C)methyl(1,2,3,4-14C4)butanoic acid140663-39-4C20H21NO4
Frequently asked questions
What is the molar mass of C20H21NO4?
The molar mass of C20H21NO4 is 339.39 g/mol, calculated from standard atomic weights for 20 carbon atoms, 21 hydrogen atoms, 1 nitrogen atom and 4 oxygen atoms. The monoisotopic mass is 349.1633 Da.
How many compounds have the formula C20H21NO4?
CompoundList lists 463 compounds with the molecular formula C20H21NO4, including 2-{1-[(Benzyloxy)carbonyl]-2,3,4,5-tetrahydro-1H-1-benzazepin-5-yl}acetic acid, (3R,4R)-4-Benzyl-1-[(benzyloxy)carbonyl]pyrrolidine-3-carboxylic acid, 4-{1-[(Benzyloxy)carbonyl]piperidin-3-yl}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 C20H21NO4?
C20H21NO4 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.