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 201 to 300 of 463 compounds
![4-[(3,4-Dimethoxyphenyl)methyl]-6,7-dimethoxyisoquinoline chemical structure, C20H21NO4, CAS 32871-93-5](/s/MGDZAXIOQRQEIT-UHFFFAOYSA-N.svg)
4-[(3,4-Dimethoxyphenyl)methyl]-6,7-dimethoxyisoquinoline
CAS 32871-93-5C20H21NO4
Benzoic acid, 4-hydroxy-, 4-benzoyl-1-methyl-4-piperidinyl ester, conjugate monoacid
CAS 71266-45-0C20H21NO4
(3,3-Dimethyl-2-oxobutyl) 2-benzamidobenzoate
CAS 516467-60-0C20H21NO4
![Methyl 4-{[(5,6,7,8-tetrahydronaphthalen-2-yloxy)acetyl]amino}benzoate chemical structure, C20H21NO4, CAS 509113-36-4](/s/RKLTXQVJSYGVMF-UHFFFAOYSA-N.svg)
Methyl 4-{[(5,6,7,8-tetrahydronaphthalen-2-yloxy)acetyl]amino}benzoate
CAS 509113-36-4C20H21NO4
N-(7-Benzoyl-2,3-dihydro-1,4-benzodioxin-6-yl)-2,2-dimethylpropanamide
CAS 728034-48-8C20H21NO4
Morpholine, 4-((3a,12b-dihydrodibenzo(b,f)-1,3-dioxolo(4,5-d)oxepin-2-yl)methyl)-
CAS 84646-80-0C20H21NO4
4-(4-Acetylanilino)-3-(3,4-dimethoxyphenyl)-3-buten-2-one
CAS 339017-47-9C20H21NO4
![[2-(2-Hydroxy-ethoxy)-ethyl]-carbamic acid anthracen-9-ylmethyl ester chemical structure, C20H21NO4, CAS 744203-58-5](/s/CYKQAPMSSKXQPX-UHFFFAOYSA-N.svg)
[2-(2-Hydroxy-ethoxy)-ethyl]-carbamic acid anthracen-9-ylmethyl ester
CAS 744203-58-5C20H21NO4
Heptanedioic acid, 4-cyano-4-(1-naphthalenyl)-, dimethyl ester
CAS 56326-93-3C20H21NO4
![2-Benzyl-1-[(benzyloxy)carbonyl]pyrrolidine-2-carboxylic acid chemical structure, C20H21NO4, CAS 171181-61-6](/s/KKJUUPMMYNTPRT-UHFFFAOYSA-N.svg)
2-Benzyl-1-[(benzyloxy)carbonyl]pyrrolidine-2-carboxylic acid
CAS 171181-61-6C20H21NO4
2-Benzoylamino-4-methyl-3-oxo-pentanoic acid benzyl ester
CAS 939376-88-2C20H21NO4
N-(2,5-Dimethoxyphenyl)-2-(5-ethyl-1-benzofuran-3-yl)acetamide
CAS 879938-61-1C20H21NO4
Paclitaxel side chain NO 1
CAS 133066-61-2C20H21NO4
Benzyl 3-(benzyloxy)-4-oxopiperidine-1-carboxylate
CAS 1186688-49-2C20H21NO4
![(R)-4-Benzyl-3-[2-(4-methoxy-3-methyl-phenyl)-acetyl]-oxazolidin-2-one chemical structure, C20H21NO4, CAS 876755-81-6](/s/JIVXUBXFZXXMOQ-QGZVFWFLSA-N.svg)
(R)-4-Benzyl-3-[2-(4-methoxy-3-methyl-phenyl)-acetyl]-oxazolidin-2-one
CAS 876755-81-6C20H21NO4
![3-(2,3-Dihydro-1-benzofuran-5-yl)-N-[2-(4-methoxyphenyl)-2-oxoethyl]propanamide chemical structure, C20H21NO4, CAS 1436004-45-3](/s/DMNBBXBMPWEDSK-UHFFFAOYSA-N.svg)
3-(2,3-Dihydro-1-benzofuran-5-yl)-N-[2-(4-methoxyphenyl)-2-oxoethyl]propanamide
CAS 1436004-45-3C20H21NO4
N-(2-Cyclopropyl-2-hydroxy-2-phenylethyl)-2,3-dihydro-1,4-benzodioxine-2-carboxamide
CAS 1421455-50-6C20H21NO4
![4-Ethoxy-N-[4-(2-methoxyphenoxy)but-2-YN-1-yl]benzamide chemical structure, C20H21NO4, CAS 1421466-11-6](/s/QFGDMOLZGPPABJ-UHFFFAOYSA-N.svg)
4-Ethoxy-N-[4-(2-methoxyphenoxy)but-2-YN-1-yl]benzamide
CAS 1421466-11-6C20H21NO4
N-(4-(2-Methoxyphenoxy)but-2-yn-1-yl)-2-(m-tolyloxy)acetamide
CAS 1421512-51-7C20H21NO4
N-(4-(2-Methoxyphenoxy)but-2-yn-1-yl)-2-(4-methoxyphenyl)acetamide
CAS 1421493-89-1C20H21NO4
N-(2-(Benzofuran-2-yl)-2-hydroxypropyl)-2-(3-methoxyphenyl)acetamide
CAS 2034492-95-8C20H21NO4
![1-(3-(Benzo[d][1,3]dioxol-5-yl)pyrrolidin-1-yl)-2-phenoxypropan-1-one chemical structure, C20H21NO4, CAS 2034494-17-0](/s/PRKFDFNDSCRJRN-UHFFFAOYSA-N.svg)
1-(3-(Benzo[d][1,3]dioxol-5-yl)pyrrolidin-1-yl)-2-phenoxypropan-1-one
CAS 2034494-17-0C20H21NO4
![1-[(Benzyloxy)carbonyl]-3-phenylpiperidine-2-carboxylic acid chemical structure, C20H21NO4, CAS 2137478-29-4](/s/VRCLCIGJFXSJBZ-UHFFFAOYSA-N.svg)
1-[(Benzyloxy)carbonyl]-3-phenylpiperidine-2-carboxylic acid
CAS 2137478-29-4C20H21NO4
7,8-Isoquinolinediol, 3-(6-ethenyl-4-methyl-1,3-benzodioxol-5-yl)-1,2,3,4-tetrahydro-2-methyl-
CAS 55299-21-3C20H21NO4
- 2-(3,4-Dimethylphenyl)-2-oxoethyl 4-(propionylamino)benzoate524042-46-4C20H21NO4
- Methyl 1-(4-ethoxyphenyl)-5-methoxy-2-methyl-1H-indole-3-carboxylate373371-69-8C20H21NO4
- [2-(4-tert-Butylanilino)-2-oxoethyl] 4-formylbenzoate731839-93-3C20H21NO4
- 3-Hydroxy-3-[2-(4-methoxyphenyl)-2-oxoethyl]-1-propyl-1,3-dihydro-2H-indol-2-one692284-76-7C20H21NO4
- 1(3H)-Isobenzofuranone, 3-((2-butyl-2-methyl-1,3-benzodioxol-5-yl)amino)-64179-23-3C20H21NO4
- 1(3H)-Isobenzofuranone, 3-((2-ethyl-2-propyl-1,3-benzodioxol-5-yl)amino)-64179-24-4C20H21NO4
- (9H-Fluoren-9-yl)methyl 2-(hydroxymethyl)morpholine-4-carboxylate885953-31-1C20H21NO4
- 2-(4-Formyl-2-methoxyphenoxy)-N-(1,2,3,4-tetrahydronaphthalen-1-yl)acetamide735306-91-9C20H21NO4
- N-Cyclopropyl-3-(3,5,9-trimethyl-7-oxo-7H-furo[3,2-g]chromen-6-yl)propanamide864751-95-1C20H21NO4
- N-(2,5-Dimethoxyphenyl)-2-(6,7-dimethyl-1-benzofuran-3-yl)acetamide880396-94-1C20H21NO4
- N-(3-Acetylphenyl)-2-[(2,2-dimethyl-3H-1-benzofuran-7-yl)oxy]acetamide938960-06-6C20H21NO4
- 3-(3-(4-Isopropylphenoxy)-2-oxopyrrolidin-1-yl)benzoic acid649773-82-0C20H21NO4
- 7,8-Didehydronaltrexone123086-68-0C20H21NO4
- (9H-Fluoren-9-yl)methyl (2S,4R)-4-hydroxy-2-(hydroxymethyl)pyrrolidine-1-carboxylateC20H21NO4
- N-(Furan-2-ylmethyl)-N-[(5-methylfuran-2-yl)methyl]-2-(2-methylphenoxy)acetamide898503-74-7C20H21NO4
- Methyl 2'-formyl-4-((2-methylpropyl)carbamoyl)-2-biphenylcarboxylate239462-76-1C20H21NO4
- (9H-Fluoren-9-yl)methyl 4-hydroxy-2-(hydroxymethyl)pyrrolidine-1-carboxylateC20H21NO4
- 1-(4-(Benzyloxy)benzoyl)piperidine-4-carboxylic acid1054016-16-8C20H21NO4
- Methyl 4-[3-(4-methoxyphenyl)pyrrolidine-1-carbonyl]benzoate1211150-83-2C20H21NO4
- 3-Methoxy-4-[4-(piperidine-1-carbonyl)phenyl]benzoic acid1261914-69-5C20H21NO4
- 2-Methoxy-3-[4-(piperidine-1-carbonyl)phenyl]benzoic acid1261971-64-5C20H21NO4
- 5-Methoxy-2-[4-(piperidine-1-carbonyl)phenyl]benzoic acid1261907-12-3C20H21NO4
- 2-Methoxy-4-[4-(piperidine-1-carbonyl)phenyl]benzoic acid1261914-74-2C20H21NO4
- 4-{1-[(Benzyloxy)carbonyl]piperidin-2-yl}benzoic acid863769-73-7C20H21NO4
- Methyl 4-[(2-cyclopropyl-2-hydroxy-2-phenylethyl)carbamoyl]benzoate1421462-86-3C20H21NO4
- (E)-4-((1-Cinnamoylpiperidin-4-yl)oxy)-6-methyl-2H-pyran-2-one1799270-42-0C20H21NO4
- 2-(Benzo[d][1,3]dioxol-5-yl)-N-(isochroman-3-ylmethyl)-N-methylacetamide2034475-60-8C20H21NO4
- Methyl 4-{[(2-methoxy-2,3-dihydro-1H-inden-2-yl)methyl]carbamoyl}benzoate2034260-69-8C20H21NO4
- Methyl 4-((1-(2,3-dihydrobenzofuran-5-yl)propan-2-yl)carbamoyl)benzoate2034449-99-3C20H21NO4
- 1-(3-(Benzo[d][1,3]dioxol-5-yl)pyrrolidin-1-yl)-2-(4-hydroxy-3-methylphenyl)ethanone2034475-09-5C20H21NO4
- (9H-Fluoren-9-yl)methyl 3-(hydroxymethyl)morpholine-4-carboxylate1474110-28-5C20H21NO4
- N-({[2,2'-Bifuran]-5-yl}methyl)-2-[4-(propan-2-yl)phenoxy]acetamide2034563-83-0C20H21NO4
- (3S)-4-({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)-3-methylbutanoic acid2171283-21-7C20H21NO4
- (2R,3S)-3-[[(9H-Fluoren-9-ylmethoxy)carbonyl]amino]-2-methylbutanoic acid266318-76-7C20H21NO4
- 3-{[(Benzyloxy)carbonyl]amino}-1-(3-methylphenyl)cyclobutane-1-carboxylic acid2171804-98-9C20H21NO4
- 1,2,10-Trimethoxy-7-oxoaporphine15562-42-2C20H21NO4
- Dehydropredicentrine91794-10-4C20H21NO4
- Methyl 11-(2-methoxy-2-oxoethyl)-16-azatetracyclo[8.6.0.02,7.012,16]hexadeca-1(10),2,4,6,8-pentaene-11-carboxylate83927-38-2C20H21NO4
- (2R,4aS,5aS,8R,9aR,9bR)-Perhydro-2,8-diphenyl-2H,5H,8H-bis-[1,3]dioxino[5,4-b:4',5'-d]-pyrrol187343-15-3C20H21NO4
- N-Allyl-3-(2,3,5-trimethyl-7-oxo-7H-furo[3,2-g]chromen-6-yl)propanamide858751-45-8C20H21NO4
- Dibenz(c,f)azocine, 5,6,7,12-tetrahydro-6-methyl-, maleate (1:1)18181-00-5C20H21NO4
- 4-[2-(3,4-Dihydroquinolin-1(2H)-yl)-2-oxoethoxy]-3-ethoxybenzaldehyde769161-74-2C20H21NO4
- Dibenzyl (2S)-pyrrolidine-1,2-dicarboxylate124980-30-9C20H21NO4
- 3-[2-(4-Cyclopentylphenoxy)acetamido]benzoic acid649773-73-9C20H21NO4
- Methyl 5-benzamido-4-oxo-6-phenylhexanoate77982-73-1C20H21NO4
- [1-(3-Acetylphenyl)-6,6-dimethyl-4-oxo-4,5,6,7-tetrahydro-1H-indol-2-yl]acetic acid912909-79-6C20H21NO4
- 4-[[1-(2,5-Dimethylphenyl)-5-oxo-3-pyrrolidinyl]methoxy]benzoic acid133746-89-1C20H21NO4
- (3R,4S)-1-Benzoyl-3-(2-ethoxyethoxy)-4-phenylazetidin-2-one439813-58-8C20H21NO4
- 2-(2-Ethoxy-4-(pyrrolidin-1-yl)benzoyl)benzoic acid56047-26-8C20H21NO4
- N-Fmoc-(3R,4R)-4-(hydroxymethyl)pyrrolidin-3-ol362600-15-5C20H21NO4
- Methyl (2S)-2-{[(9H-fluoren-9-ylmethoxy)carbonyl]amino}butanoate141970-92-5C20H21NO4
- Methyl 2-[(phenylmethyl)oxy]-5-(1-pyrrolidinylcarbonyl)benzoate1285516-55-3C20H21NO4
- 2-[(Phenylmethyl)oxy]-5-(1-piperidinylcarbonyl)benzoic acid1285516-54-2C20H21NO4
- 5-Hydroxy-1-(4-isopropoxyphenyl)indole-2-carboxylic acid ethyl ester902169-39-5C20H21NO4
- 3-(4-Methoxyphenyl)-3-[4-(4-morpholinyl)phenyl]-2-propenoic acid561304-01-6C20H21NO4
- (4S)-3-[(5S)-5-Hydroxy-5-phenylpentanoyl]-4-phenyl-1,3-oxazolidin-2-one2280081-69-6C20H21NO4
- N-(3-(Benzofuran-2-yl)-3-hydroxypropyl)-2-ethoxybenzamide1448076-91-2C20H21NO4
- N-(3-(Benzofuran-2-yl)-3-hydroxypropyl)-2-phenoxypropanamide1448123-46-3C20H21NO4
- N-(3-(Benzofuran-2-yl)-3-hydroxypropyl)-2-(o-tolyloxy)acetamide1448131-50-7C20H21NO4
- 7-Methoxy-N-(2-methoxy-2-(o-tolyl)ethyl)benzofuran-2-carboxamide1797183-63-1C20H21NO4
- Methyl (2S)-2-{[(9H-fluoren-9-ylmethoxy)carbonyl](methyl)amino}propanoate832127-84-1C20H21NO4
- 2-Ethoxy-N-(2-(furan-2-yl)-2-methoxyethyl)-1-naphthamide1788559-52-3C20H21NO4
- N-(2-(Benzofuran-2-yl)-2-hydroxypropyl)-2-ethoxybenzamide2034545-41-8C20H21NO4
- N-(2-(Benzofuran-2-yl)-2-hydroxypropyl)-2-phenoxypropanamide2034600-12-7C20H21NO4
- N-(2-(Benzofuran-2-yl)-2-hydroxypropyl)-2-(o-tolyloxy)acetamide2034545-46-3C20H21NO4
- N-[2-(Furan-2-yl)-2-(furan-3-yl)-2-hydroxyethyl]-2-phenylbutanamide2034258-07-4C20H21NO4
- N-(3-(Benzofuran-2-yl)propyl)-2,3-dimethoxybenzamide2034457-64-0C20H21NO4
- N-(3-(Benzofuran-2-yl)propyl)-2-(3-methoxyphenoxy)acetamide2034415-46-6C20H21NO4
- N-(1-(Benzofuran-2-yl)propan-2-yl)-2-(2-methoxyphenoxy)acetamide2034558-91-1C20H21NO4
- 3-[(1-Benzoylpyrrolidin-3-yl)methoxy]-4-methoxybenzaldehyde2094554-12-6C20H21NO4
- N-({[2,3'-Bifuran]-5-yl}methyl)-2-[4-(propan-2-yl)phenoxy]acetamide2097867-96-2C20H21NO4
- N-[2,2-Bis(furan-2-yl)ethyl]-3-(4-methoxyphenyl)propanamide2309802-67-1C20H21NO4
- N-[2,2-Bis(furan-2-yl)ethyl]-2-(4-ethoxyphenyl)acetamide2309598-46-5C20H21NO4
- 3-[2-(2-Methyl-6-phenylmorpholin-4-yl)-2-oxoethoxy]benzaldehyde2224226-22-4C20H21NO4
- (2S,3R)-3-(Fmoc-amino)-2-methylbutanoic Acid3076948-41-6C20H21NO4
- 4-(1-(tert-Butoxycarbonyl)indolin-5-yl)benzoic acid2384146-59-0C20H21NO4
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 4-[(3,4-Dimethoxyphenyl)methyl]-6,7-dimethoxyisoquinoline, Benzoic acid, 4-hydroxy-, 4-benzoyl-1-methyl-4-piperidinyl ester, conjugate monoacid, (3,3-Dimethyl-2-oxobutyl) 2-benzamidobenzoate. 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.