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 301 to 400 of 463 compounds
![(3S,4S)-4-Benzyl-1-[(benzyloxy)carbonyl]pyrrolidine-3-carboxylic acid chemical structure, C20H21NO4, CAS 2350676-44-5](/s/RGZHMJBMVWLAHB-QZTJIDSGSA-N.svg)
(3S,4S)-4-Benzyl-1-[(benzyloxy)carbonyl]pyrrolidine-3-carboxylic acid
CAS 2350676-44-5C20H21NO4
(9H-Fluoren-9-yl)methyl (2R)-2-(hydroxymethyl)morpholine-4-carboxylate
CAS 2746380-99-2C20H21NO4
(9H-Fluoren-9-yl)methyl (2S)-2-(hydroxymethyl)morpholine-4-carboxylate
CAS 1112180-85-4C20H21NO4
![Methyl 4-(2-butyl-7-methyl-4-oxo-4,7-dihydrofuro[2,3-b]pyridin-3-yl)benzoate chemical structure, C20H21NO4, CAS 571169-09-0](/s/UYGLYNKIOXGHAB-UHFFFAOYSA-N.svg)
Methyl 4-(2-butyl-7-methyl-4-oxo-4,7-dihydrofuro[2,3-b]pyridin-3-yl)benzoate
CAS 571169-09-0C20H21NO4
(S)-3-(Benzyloxy)-1-(4-methoxybenzyl)piperidine-2,6-dione
CAS 763105-88-0C20H21NO4
![2-Pyrrolidinone, 5-hydroxy-1-[2-(4-methoxy-9H-xanthen-9-yl)ethyl]- chemical structure, C20H21NO4, CAS 820210-94-4](/s/JBQSHELFXFVLRP-UHFFFAOYSA-N.svg)
2-Pyrrolidinone, 5-hydroxy-1-[2-(4-methoxy-9H-xanthen-9-yl)ethyl]-
CAS 820210-94-4C20H21NO4
![Benzoic acid, 4-[(1,3-dioxo-3-phenylpropyl)amino]-, butyl ester chemical structure, C20H21NO4, CAS 61580-25-4](/s/QFRKZZGWLDFRPM-UHFFFAOYSA-N.svg)
Benzoic acid, 4-[(1,3-dioxo-3-phenylpropyl)amino]-, butyl ester
CAS 61580-25-4C20H21NO4
acetic acid chemical structure, C20H21NO4, CAS 915750-96-8](/s/GSODHVQZXQVIPW-QGZVFWFLSA-N.svg)
(2R)-[(tert-Butoxycarbonyl)amino](9H-fluoren-9-yl)acetic acid
CAS 915750-96-8C20H21NO4
![3-[5-Methoxy-1-(2-methoxy-benzyl)-1H-indol-3-yl]-propionic acid chemical structure, C20H21NO4, CAS 835619-55-1](/s/WIZJGSCEOAXWHY-UHFFFAOYSA-N.svg)
3-[5-Methoxy-1-(2-methoxy-benzyl)-1H-indol-3-yl]-propionic acid
CAS 835619-55-1C20H21NO4
![3-[5-Methoxy-1-(3-methoxy-benzyl)-1H-indol-3-yl]-propionic acid chemical structure, C20H21NO4, CAS 835619-51-7](/s/UOEAGXUCTGDTLB-UHFFFAOYSA-N.svg)
3-[5-Methoxy-1-(3-methoxy-benzyl)-1H-indol-3-yl]-propionic acid
CAS 835619-51-7C20H21NO4
![rac-(2R,4R)-4-Benzyl-1-[(benzyloxy)carbonyl]pyrrolidine-2-carboxylic acid chemical structure, C20H21NO4, CAS 82087-70-5](/s/KOJYRKKMDHAISI-ROUUACIJSA-N.svg)
rac-(2R,4R)-4-Benzyl-1-[(benzyloxy)carbonyl]pyrrolidine-2-carboxylic acid
CAS 82087-70-5C20H21NO4
3-Piperidinecarboxylic acid, 2-(4-methoxyphenyl)-6-oxo-1-(phenylmethyl)-, (2R,3R)-rel-
CAS 1943733-57-0C20H21NO4
![N-((2,3-Dihydrobenzo[b][1,4]dioxin-2-yl)methyl)-N-methylchromane-3-carboxamide chemical structure, C20H21NO4, CAS 1090697-18-9](/s/IBOIDSIPKJPIOI-UHFFFAOYSA-N.svg)
N-((2,3-Dihydrobenzo[b][1,4]dioxin-2-yl)methyl)-N-methylchromane-3-carboxamide
CAS 1090697-18-9C20H21NO4
![Methyl 2-[benzamido(4-methylphenyl)methyl]-3-oxobutanoate chemical structure, C20H21NO4, CAS 887344-45-8](/s/QWKMIRPLGYEFQZ-UHFFFAOYSA-N.svg)
Methyl 2-[benzamido(4-methylphenyl)methyl]-3-oxobutanoate
CAS 887344-45-8C20H21NO4
3-Pyrrolidinecarboxylic acid, 2-(4-ethoxyphenyl)-5-oxo-1-(phenylmethyl)-
C20H21NO4
amino}-3-phenylpropanoic acid chemical structure, C20H21NO4, CAS 2580113-12-6](/s/MGUUCQGSECOFEY-SFHVURJKSA-N.svg)
(2S)-2-{[(Benzyloxy)carbonyl](cyclopropyl)amino}-3-phenylpropanoic acid
CAS 2580113-12-6C20H21NO4
![4-[1-(Benzyloxycarbonyl)-(2S)-pyrrolidin-2-ylmethoxy]benzaldehyde chemical structure, C20H21NO4, CAS 199103-21-4](/s/BUQZVYAEVHVGLD-SFHVURJKSA-N.svg)
4-[1-(Benzyloxycarbonyl)-(2S)-pyrrolidin-2-ylmethoxy]benzaldehyde
CAS 199103-21-4C20H21NO4
Methyl 1-(4-(2-methoxyethoxy)benzyl)-1H-indole-7-carboxylate
CAS 1196049-23-6C20H21NO4
N-Fmoc-(3S,4S)-4-(hydroxymethyl)pyrrolidin-3-ol
CAS 1579291-01-2C20H21NO4
EthylN-(((9H-fluoren-9-yl)methoxy)carbonyl)-N-methylglycinate
CAS 1341858-65-8C20H21NO4
3-(4-Isopropoxyphenyl)-4,6-dimethoxyisoquinolin-1(2H)-one
CAS 1409950-19-1C20H21NO4
![4-(Naphthalene-1-carbonyl)-1-oxa-4-azaspiro[4.5]decane-3-carboxylic acid chemical structure, C20H21NO4, CAS 1326808-27-8](/s/BDVZUYFZDNCFOM-UHFFFAOYSA-N.svg)
4-(Naphthalene-1-carbonyl)-1-oxa-4-azaspiro[4.5]decane-3-carboxylic acid
CAS 1326808-27-8C20H21NO4
Methyl 2-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-2-methylpropanoate
CAS 203636-40-2C20H21NO4
![1,3-Diethyl 2-(2-methyl-2H-indeno[2,1-c]pyridin-9-yl)propanedioate chemical structure, C20H21NO4, CAS 192214-15-6](/s/WPVRDSLJQRPVDZ-UHFFFAOYSA-N.svg)
1,3-Diethyl 2-(2-methyl-2H-indeno[2,1-c]pyridin-9-yl)propanedioate
CAS 192214-15-6C20H21NO4
- 5-{[(Benzyloxy)carbonyl]amino}-6,7,8,9-tetrahydro-5H-benzo[7]annulene-5-carboxylic acid1694397-83-5C20H21NO4
- tert-Butyl 6-(benzyloxy)-2-hydroxy-1H-indole-1-carboxylate1881290-60-3C20H21NO4
- Oripavine 3-acetate57093-47-7C20H21NO4
- (4-(2-(2-Aminoethoxy)ethoxy)phenyl)(4-(prop-2-yn-1-yloxy)phenyl)methanone1632401-22-9C20H21NO4
- 4-{1-[(Benzyloxy)carbonyl]-5-methylpyrrolidin-3-yl}benzoic acid2059975-66-3C20H21NO4
- 3-{1-[(Benzyloxy)carbonyl]-5-methylpyrrolidin-3-yl}benzoic acid2059939-58-9C20H21NO4
- 2-{1-[(Benzyloxy)carbonyl]-5-methylpyrrolidin-3-yl}benzoic acid2060046-33-3C20H21NO4
- N-(2-{[2,2'-Bifuran]-5-yl}-2-hydroxyethyl)-2-phenylbutanamide2310143-98-5C20H21NO4
- (S)-(9H-Fluoren-9-yl)methyl ((1,4-dioxan-2-yl)methyl)carbamate2568496-24-0C20H21NO4
- 1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 2-(adamantan-1-yl)acetate2248384-39-4C20H21NO4
- (S,E)-Benzyl 4-(((benzyloxy)carbonyl)amino)pent-2-enoate1532564-48-9C20H21NO4
- 2-Ethyl-2-(1-hydroxy-3-oxo-1-phenyl-1,3-dihydro-2H-isoindol-2-yl)butanoic acid861592-97-4C20H21NO4
- 3-[2-(Benzyloxy)ethyl]-4,6-dimethoxyquinolin-2(1H)-one41478-47-1C20H21NO4
- Diethyl (9H-carbazol-2-yl)(methyl)propanedioate1179806-64-4C20H21NO4
- 2-Methoxy-6-(3-methylbut-2-en-1-yl)-4-(4-nitrostyryl)phenol495412-31-2C20H21NO4
- 1-(3,4-Dimethoxybenzyl)-7,8-dimethoxyisoquinoline20122-48-9C20H21NO4
- (2S)-4-Benzylpyrrolidine-2-carboxylic acid, N-CBZ protected1421781-97-6C20H21NO4
- Benzyl [4-acetyl-2-(3-oxobutyl)phenyl]carbamate89228-21-7C20H21NO4
- 1-[2-(3,4-Dimethoxyphenyl)-2-phenylethyl]pyrrolidine-2,5-dione87520-02-3C20H21NO4
- 1-{2-[4-(Benzyloxy)-3-methoxyphenyl]ethyl}pyrrolidine-2,5-dione110698-41-4C20H21NO4
- (3-Aminocyclobutane-1,2-diyl)bis(methylene) dibenzoate151807-53-3C20H21NO4
- 2-(Benzhydryloxycarbonylamino)ethyl 2-methylprop-2-enoate488788-99-4C20H21NO4
- Diethyl 1,3-diphenylaziridine-2,2-dicarboxylate35757-81-4C20H21NO4
- 4-Benzylidene-3-[2-(3,4-dimethoxyphenyl)ethyl]-1,3-oxazolidin-2-one653601-43-5C20H21NO4
- 3-Methoxy-N-[1-(3-methoxybenzoyl)cyclopropyl]-2-methylbenzamide644980-04-1C20H21NO4
- 2-Benzyl-1-[hydroxy(phenyl)acetyl]-L-proline61898-83-7C20H21NO4
- 4-Butyl-7-(4-methoxybenzoyl)-2H-1,4-benzoxazin-3(4H)-one87762-11-6C20H21NO4
- (2S)-2-[(1R)-2-Nitro-1-(3-phenoxyphenyl)ethyl]cyclohexan-1-one921611-93-0C20H21NO4
- Benzyl N-[(2S)-1-[(2R)-2-methyloxiran-2-yl]-1-oxo-3-phenylpropan-2-yl]carbamate935888-15-6C20H21NO4
- 4-(Naphthalene-2-carbonyl)-1-oxa-4-azaspiro[4.5]decane-3-carboxylic acid1326814-74-7C20H21NO4
- (3R)-3-{[(Benzyloxy)carbonyl]amino}-3-(4-cyclopropylphenyl)propanoic acid1704953-37-6C20H21NO4
- (3S)-3-{[(Benzyloxy)carbonyl]amino}-3-(4-cyclopropylphenyl)propanoic acid1704967-01-0C20H21NO4
- 1-{[(Benzyloxy)carbonyl]amino}-4-methyl-1,2,3,4-tetrahydronaphthalene-1-carboxylic acid1692027-85-2C20H21NO4
- (9H-Fluoren-9-yl)methyl N-[(3-hydroxyoxolan-3-yl)methyl]carbamate1702475-98-6C20H21NO4
- Benzyl 2-(4-methoxybenzoyl)pyrrolidine-1-carboxylate1327704-99-3C20H21NO4
- 1-(4-{[(Benzyloxy)carbonyl]amino}phenyl)-3-methylcyclobutane-1-carboxylic acid2137589-31-0C20H21NO4
- (9H-Fluoren-9-yl)methyl 6-hydroxy-1,4-oxazepane-4-carboxylate1934672-00-0C20H21NO4
- (9H-Fluoren-9-yl)methyl N-[3-(hydroxymethyl)oxolan-3-yl]carbamate1857725-48-4C20H21NO4
- (9H-Fluoren-9-yl)methyl 3-hydroxy-3-(methoxymethyl)azetidine-1-carboxylate1859682-83-9C20H21NO4
- rac-(9H-Fluoren-9-yl)methyl (3R,4R)-3-hydroxy-4-methoxypyrrolidine-1-carboxylate1932541-15-5C20H21NO4
- (2S,3S)-3-(Fmoc-amino)-2-methylbutanoic Acid1011474-17-1C20H21NO4
- 1-({[(Benzyloxy)carbonyl]amino}methyl)-3-phenylcyclobutane-1-carboxylic acid2138377-82-7C20H21NO4
- 1-[(Benzyloxy)carbonyl]-4-(2-methylphenyl)pyrrolidine-3-carboxylic acid2172225-58-8C20H21NO4
- 3-{[(Benzyloxy)carbonyl]amino}-1-(4-methylphenyl)cyclobutane-1-carboxylic acid2172172-81-3C20H21NO4
- rac-(3R,4S)-1-[(Benzyloxy)carbonyl]-4-(2-methylphenyl)pyrrolidine-3-carboxylic acid2227726-73-8C20H21NO4
- 1-[(Benzyloxy)carbonyl]-4-(4-methylphenyl)pyrrolidine-3-carboxylic acid2172136-20-6C20H21NO4
- 1-[(Benzyloxy)carbonyl]-4-(3-methylphenyl)pyrrolidine-3-carboxylic acid2171809-41-7C20H21NO4
- 1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 2-(adamantan-2-yl)acetate2248386-94-7C20H21NO4
- 1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 3-methyladamantane-1-carboxylate2248280-06-8C20H21NO4
- Methyl 3-{[(benzyloxy)carbonyl]amino}-1-phenylcyclobutane-1-carboxylate2803864-64-2C20H21NO4
- rac-(3R,4S)-1-[(Benzyloxy)carbonyl]-4-(3-methylphenyl)pyrrolidine-3-carboxylic acid2227812-20-4C20H21NO4
- rac-(3R,4S)-1-[(Benzyloxy)carbonyl]-4-(4-methylphenyl)pyrrolidine-3-carboxylic acid2227788-14-7C20H21NO4
- 3-{1-[(Benzyloxy)carbonyl]-1,2,3,4-tetrahydroquinolin-3-yl}propanoic acid2137642-52-3C20H21NO4
- 1-[(Benzyloxy)carbonyl]-5-phenylpiperidine-2-carboxylic acid2580178-36-3C20H21NO4
- 8-{[(Benzyloxy)carbonyl]amino}-6,7,8,9-tetrahydro-5H-benzo[7]annulene-2-carboxylic acid2580188-59-4C20H21NO4
- 3-Benzyl-1-[(benzyloxy)carbonyl]pyrrolidine-3-carboxylic acid2580191-09-7C20H21NO4
- rac-(1R,3R)-3-(4-{[(Benzyloxy)carbonyl]amino}phenyl)cyclopentane-1-carboxylic acid2580098-15-1C20H21NO4
- 3-{2-[(Benzyloxy)carbonyl]-1,2,3,4-tetrahydroisoquinolin-3-yl}propanoic acid2580197-18-6C20H21NO4
- 1-[(Benzyloxy)carbonyl]-2-phenylpiperidine-2-carboxylic acid2580252-61-3C20H21NO4
- rac-(2R,3S)-1-[(Benzyloxy)carbonyl]-3-phenylpiperidine-2-carboxylic acid2580114-68-5C20H21NO4
- 1-(4-{[(Benzyloxy)carbonyl]amino}phenyl)cyclopentane-1-carboxylic acid2354449-17-3C20H21NO4
- 1-{[(Benzyloxy)carbonyl]amino}-2,2-dimethyl-2,3-dihydro-1H-indene-5-carboxylic acid2580249-17-6C20H21NO4
- 1-[(Benzyloxy)carbonyl]-3-(4-methylphenyl)pyrrolidine-2-carboxylic acid2580184-60-5C20H21NO4
- 1-[(Benzyloxy)carbonyl]-2,3,3-trimethyl-2,3-dihydro-1H-indole-2-carboxylic acid2580228-16-4C20H21NO4
- 1-[(Benzyloxy)carbonyl]-3-(3-methylphenyl)pyrrolidine-2-carboxylic acid2580182-21-2C20H21NO4
- 3-{1-[(Benzyloxy)carbonyl]piperidin-3-yl}benzoic acid2580218-11-5C20H21NO4
- 2-[(Benzyloxy)carbonyl]-3,3-dimethyl-1,2,3,4-tetrahydroisoquinoline-1-carboxylic acid2580185-82-4C20H21NO4
- rac-(2R,4S)-1-[(Benzyloxy)carbonyl]-4-phenylpiperidine-2-carboxylic acid2580113-46-6C20H21NO4
- 3-{1-[(Benzyloxy)carbonyl]piperidin-4-yl}benzoic acid2580232-85-3C20H21NO4
- 2-(2-{[(Benzyloxy)carbonyl]amino}-1,2,3,4-tetrahydronaphthalen-2-yl)acetic acid2580223-15-8C20H21NO4
- 2-(6-{[(Benzyloxy)carbonyl]amino}-5,6,7,8-tetrahydronaphthalen-2-yl)acetic acid2580248-30-0C20H21NO4
- 1-[(Benzyloxy)carbonyl]-5-phenylpiperidine-3-carboxylic acid2580189-28-0C20H21NO4
- 2-[(Benzyloxy)carbonyl]-4,4-dimethyl-1,2,3,4-tetrahydroisoquinoline-5-carboxylic acid2580244-43-3C20H21NO4
- 1-[(Benzyloxy)carbonyl]-4-phenylpiperidine-2-carboxylic acid2580186-27-0C20H21NO4
- 8-({[(Benzyloxy)carbonyl]amino}methyl)-5,6,7,8-tetrahydronaphthalene-2-carboxylic acid2580225-09-6C20H21NO4
- 1-[(Benzyloxy)carbonyl]-4,6-dimethyl-1,2,3,4-tetrahydroquinoline-8-carboxylic acid2639461-17-7C20H21NO4
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 (3S,4S)-4-Benzyl-1-[(benzyloxy)carbonyl]pyrrolidine-3-carboxylic acid, (9H-Fluoren-9-yl)methyl (2R)-2-(hydroxymethyl)morpholine-4-carboxylate, (9H-Fluoren-9-yl)methyl (2S)-2-(hydroxymethyl)morpholine-4-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 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.