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 101 to 200 of 463 compounds
1-(Benzyloxycarbonyl)-4-phenylpiperidine-4-carboxylic acid
CAS 181641-61-2C20H21NO4
![(R)-2-[(9H-Fluoren-9-ylmethoxycarbonylamino)-methyl]-butyric acid chemical structure, C20H21NO4, CAS 180181-95-7](/s/UIMPTCRXHVBHOO-UHFFFAOYSA-N.svg)
(R)-2-[(9H-Fluoren-9-ylmethoxycarbonylamino)-methyl]-butyric acid
CAS 180181-95-7C20H21NO4
![2-[(4-Phenoxyphenyl)carbamoyl]cyclohexane-1-carboxylic acid chemical structure, C20H21NO4, CAS 667887-31-2](/s/JNCSQROSIMRUQO-UHFFFAOYSA-N.svg)
2-[(4-Phenoxyphenyl)carbamoyl]cyclohexane-1-carboxylic acid
CAS 667887-31-2C20H21NO4
![1'-(2-Ethoxybenzyl)-1',2'-dihydrospiro([1,3]dioxane-2,3'-indole)-2'-one chemical structure, C20H21NO4, CAS 853751-50-5](/s/YDRXPKAYDRXXSX-UHFFFAOYSA-N.svg)
1'-(2-Ethoxybenzyl)-1',2'-dihydrospiro([1,3]dioxane-2,3'-indole)-2'-one
CAS 853751-50-5C20H21NO4
Fmoc-Val-OH-15N
CAS 125700-35-8C20H21NO4
4-(1-((Benzyloxy)carbonyl)piperidin-4-yl)benzoic acid
CAS 885274-62-4C20H21NO4
![2'-(2-Furylmethyl)-1'-oxo-1',4'-dihydro-2'H-spiro[cyclohexane-1,3'-isoquinoline]-4'-carboxylic acid chemical structure, C20H21NO4, CAS 1285474-88-5](/s/ZIYUSOBSWLSTQF-UHFFFAOYSA-N.svg)
2'-(2-Furylmethyl)-1'-oxo-1',4'-dihydro-2'H-spiro[cyclohexane-1,3'-isoquinoline]-4'-carboxylic acid
CAS 1285474-88-5C20H21NO4
L-Valine-d8-N-FMOC
CAS 1007834-06-1C20H21NO4
Morphinan-6-one, 4,5-epoxy-14-hydroxy-3-methoxy-17-(2-propynyl)-, (5alpha)-
CAS 84962-45-8C20H21NO4
N-Fmoc-2-(methylamino)butyric acid
CAS 1341092-00-9C20H21NO4
Isoquinoline, 1,2,3,4-tetrahydro-2-methyl-8-phenyl-, 2-butenedioate (1:1)
CAS 74192-79-3C20H21NO4
![1'-(2-Methoxybenzyl)-5'-methylspiro[[1,3]dioxane-2,3'-indolin]-2'-one chemical structure, C20H21NO4, CAS 853751-60-7](/s/HJKLKYMUPZVHHJ-UHFFFAOYSA-N.svg)
1'-(2-Methoxybenzyl)-5'-methylspiro[[1,3]dioxane-2,3'-indolin]-2'-one
CAS 853751-60-7C20H21NO4
![1'-(4-Methoxybenzyl)-5'-methylspiro[[1,3]dioxane-2,3'-indolin]-2'-one chemical structure, C20H21NO4, CAS 853751-61-8](/s/XSIPBHIFPWULDC-UHFFFAOYSA-N.svg)
1'-(4-Methoxybenzyl)-5'-methylspiro[[1,3]dioxane-2,3'-indolin]-2'-one
CAS 853751-61-8C20H21NO4
![1'-(2-(m-Tolyloxy)ethyl)spiro[[1,3]dioxane-2,3'-indolin]-2'-one chemical structure, C20H21NO4, CAS 853751-55-0](/s/MQLZCAUWBUKYIS-UHFFFAOYSA-N.svg)
1'-(2-(m-Tolyloxy)ethyl)spiro[[1,3]dioxane-2,3'-indolin]-2'-one
CAS 853751-55-0C20H21NO4
3-(9-H-Fluoren-9-ylmethoxycarbonylamino)-pentanoic acid
CAS 917562-06-2C20H21NO4
6,7-Dimethoxy-1-methyl-3-(3,4-dimethoxyphenyl)isoquinoline
CAS 35989-93-6C20H21NO4
1-(4-Isopropoxy-3-methoxybenzyl)-5-methyl-1H-indole-2,3-dione
CAS 620931-71-7C20H21NO4
![Methyl 3-[1,3-dioxo-8-(propan-2-ylidene)octahydro-2H-4,7-methanoisoindol-2-yl]benzoate chemical structure, C20H21NO4, CAS 1212162-14-5](/s/FSMPVYXFITZGDE-UHFFFAOYSA-N.svg)
Methyl 3-[1,3-dioxo-8-(propan-2-ylidene)octahydro-2H-4,7-methanoisoindol-2-yl]benzoate
CAS 1212162-14-5C20H21NO4
![3-Hydroxy-3-[2-(4-methoxyphenyl)-2-oxoethyl]-1-propan-2-ylindol-2-one chemical structure, C20H21NO4, CAS 689756-20-5](/s/HTMNVKOIWOOUCP-UHFFFAOYSA-N.svg)
3-Hydroxy-3-[2-(4-methoxyphenyl)-2-oxoethyl]-1-propan-2-ylindol-2-one
CAS 689756-20-5C20H21NO4
![1'-(4-Methoxybenzyl)-7'-methylspiro[[1,3]dioxane-2,3'-indolin]-2'-one chemical structure, C20H21NO4, CAS 853751-65-2](/s/PEUTZZDHCSNQGR-UHFFFAOYSA-N.svg)
1'-(4-Methoxybenzyl)-7'-methylspiro[[1,3]dioxane-2,3'-indolin]-2'-one
CAS 853751-65-2C20H21NO4
amino}-2-methylpropanoic acid chemical structure, C20H21NO4, CAS 1340212-59-0](/s/MFUQQBWVAGQSFP-UHFFFAOYSA-N.svg)
3-{[(9H-Fluoren-9-ylmethoxy)carbonyl](methyl)amino}-2-methylpropanoic acid
CAS 1340212-59-0C20H21NO4
![(R)-1,2-Dimethoxy-6-methyl-5,6,6a,7-tetrahydro-4H-[1,3]dioxolo[4',5':4,5]benzo[1,2-g]benzo[de]quinoline chemical structure, C20H21NO4, CAS 1207542-48-0](/s/WSVWKHTVFGTTKJ-CQSZACIVSA-N.svg)
(R)-1,2-Dimethoxy-6-methyl-5,6,6a,7-tetrahydro-4H-[1,3]dioxolo[4',5':4,5]benzo[1,2-g]benzo[de]quinoline
CAS 1207542-48-0C20H21NO4
Xanthene-9-carboxylic acid, 9-hydroxy-, 1-methyl-4-piperidinyl ester
CAS 102585-03-5C20H21NO4
![1'-[(4-Ethoxyphenyl)methyl]spiro[1,3-dioxane-2,3'-indole]-2'-one chemical structure, C20H21NO4, CAS 878694-94-1](/s/QQPOWOXODZSELJ-UHFFFAOYSA-N.svg)
1'-[(4-Ethoxyphenyl)methyl]spiro[1,3-dioxane-2,3'-indole]-2'-one
CAS 878694-94-1C20H21NO4
- 3-Hydroxy-1-[2-(4-methylphenoxy)ethyl]-3-(2-oxopropyl)-2,3-dihydro-1H-indol-2-one879043-48-8C20H21NO4
- (S)-2-[(9H-Fluoren-9-ylmethoxycarbonylamino)-methyl]-butyric acid1217785-38-0C20H21NO4
- N-(9-Fluorenylmethoxycarbonyl)-L-valine-13C5,15N1217442-94-8C20H21NO4
- Methyl (6aS)-1,2-dimethoxy-4,5,6a,7-tetrahydro-6H-dibenzo[de,g]quinoline-6-carboxylate356042-11-0C20H21NO4
- Ethyl 1-(4-ethoxyphenyl)-5-hydroxy-2-methyl-1H-indole-3-carboxylate374617-14-8C20H21NO4
- 1-(3-Methoxy-4-propoxybenzyl)-7-methyl-1H-indole-2,3-dione620932-34-5C20H21NO4
- 1-[(2-Ethoxyphenyl)methyl]-3-hydroxy-3-(2-oxopropyl)-2,3-dihydro-1H-indol-2-one879043-01-3C20H21NO4
- 3-Hydroxy-1-[2-(2-methylphenoxy)ethyl]-3-(2-oxopropyl)-1,3-dihydro-2H-indol-2-one879043-40-0C20H21NO4
- (Z)-7-((Dimethylamino)methyl)-2-(4-ethoxybenzylidene)-6-hydroxybenzofuran-3(2H)-one869077-09-8C20H21NO4
- (Z)-7-((Dimethylamino)methyl)-2-(2-ethoxybenzylidene)-6-hydroxybenzofuran-3(2H)-one869077-10-1C20H21NO4
- N-[(4-Phenyloxan-4-yl)methyl]-1,3-benzodioxole-5-carboxamide896163-75-0C20H21NO4
- 1'-(2-(o-Tolyloxy)ethyl)spiro[[1,3]dioxane-2,3'-indolin]-2'-one853751-54-9C20H21NO4
- 1'-(2-Methoxybenzyl)-7'-methylspiro[[1,3]dioxane-2,3'-indolin]-2'-one853751-64-1C20H21NO4
- 3-[Hydroxy(phenyl)methyl]-4-(4-morpholinylmethyl)-1-benzofuran-5-ol352553-81-2C20H21NO4
- (Z)-2-(Furan-2-ylmethylene)-6-hydroxy-7-((2-methylpiperidin-1-yl)methyl)benzofuran-3(2H)-one896070-05-6C20H21NO4
- 3-Hydroxy-1-[(4-methoxyphenyl)methyl]-5-methyl-3-(2-oxopropyl)-2,3-dihydro-1H-indol-2-one879044-59-4C20H21NO4
- (Z)-7-((Dimethylamino)methyl)-6-hydroxy-2-(2-methoxybenzylidene)-4-methylbenzofuran-3(2H)-one904011-74-1C20H21NO4
- Fmoc-Val-OH-1-13C286460-74-0C20H21NO4
- 1-Benzyl-2-(4-methoxyphenyl)-6-oxopiperidine-3-carboxylic acid937604-06-3C20H21NO4
- 1'-(3-Phenoxypropyl)spiro[[1,3]dioxane-2,3'-indolin]-2'-one882381-88-6C20H21NO4
- 2-[Ethyl({[(9H-fluoren-9-yl)methoxy]carbonyl})amino]propanoic acid2642729-46-0C20H21NO4
- 4-{[1-(3,4-Dihydroisoquinolin-2(1H)-yl)-1-oxopropan-2-yl]oxy}-3-methoxybenzaldehyde1091809-26-5C20H21NO4
- 5-Methoxy-3-[4-(piperidinocarbonyl)phenyl]benzoic acid1261969-11-2C20H21NO4
- 3-((((9H-Fluoren-9-yl)methoxy)carbonyl)(methyl)amino)butanoic acid2172033-81-5C20H21NO4
- N-Fmoc-N-ethyl-D-alanine1283761-38-5C20H21NO4
- (3,3-Dimethyl-2-oxobutyl) 4-benzamidobenzoate516467-59-7C20H21NO4
- 2-(4-tert-Butylphenyl)-6,7-dimethoxy-4H-3,1-benzoxazin-4-one371219-44-2C20H21NO4
- (Z)-7-(Azepan-1-ylmethyl)-2-(furan-2-ylmethylene)-6-hydroxybenzofuran-3(2H)-one900272-18-6C20H21NO4
- (Z)-6-Hydroxy-2-((5-methylfuran-2-yl)methylene)-7-(piperidin-1-ylmethyl)benzofuran-3(2H)-one900273-02-1C20H21NO4
- (2R,3R)-1-Benzyl-2-(4-ethoxyphenyl)-5-oxopyrrolidine-3-carboxylic acid1071535-90-4C20H21NO4
- (Z)-2-(Furan-2-ylmethylene)-6-hydroxy-4-methyl-7-(piperidin-1-ylmethyl)benzofuran-3(2H)-one903862-78-2C20H21NO4
- (Z)-5-((Dimethylamino)methyl)-6-hydroxy-2-(4-methoxybenzylidene)-7-methylbenzofuran-3(2H)-one929452-15-3C20H21NO4
- N-[2-(4-Methoxyphenyl)-4-oxochroman-6-yl]butanamide890636-95-0C20H21NO4
- 8-[4-(Butan-2-yloxy)phenyl]-7,8-dihydro[1,3]dioxolo[4,5-g]quinolin-6(5H)-one886642-77-9C20H21NO4
- 5-Ethoxy-N-(2-methoxy-5-methylphenyl)-2-methyl-1-benzofuran-3-carboxamide929389-51-5C20H21NO4
- 5-Ethoxy-N-(2-ethoxyphenyl)-2-methyl-1-benzofuran-3-carboxamide929428-20-6C20H21NO4
- 5-Ethoxy-N-(4-ethoxyphenyl)-2-methyl-1-benzofuran-3-carboxamide929389-63-9C20H21NO4
- (R)-4-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)pentanoic acid1189357-66-1C20H21NO4
- 4-([(9H-Fluoren-9-ylmethoxy)carbonyl]amino)-2-methylbutanoic acid1503610-79-4C20H21NO4
- 3-([(9H-Fluoren-9-ylmethoxy)carbonyl]amino)-2-methylbutanoic acid1564461-67-1C20H21NO4
- 4-Cyanophenyl 4-(2-butoxyethoxy)benzoate67131-98-0C20H21NO4
- 9-(4-Propan-2-yloxyphenyl)-3,6,8,9-tetrahydro-2H-[1,4]dioxino[2,3-g]quinolin-7-one847505-40-2C20H21NO4
- [2-Oxo-2-(4-phenylbutan-2-ylamino)ethyl] 4-formylbenzoate554437-19-3C20H21NO4
- 3-(2-Furylmethyl)-10-methyl-6-propyl-2H,4H-chromeno[6,7-e]1,3-oxazin-8-one853895-28-0C20H21NO4
- 6-(6,7,8,9-Tetrahydrodibenzofuran-2-ylcarbamoyl)cyclohex-3-ene-1-carboxylic acid893776-01-7C20H21NO4
- 3-Hydroxy-3-(2-oxopropyl)-1-(2-(m-tolyloxy)ethyl)indolin-2-one879043-44-4C20H21NO4
- Diethyl [(diphenylmethylidene)amino]propanedioate133816-01-0C20H21NO4
- 1-[(2-Butoxyethyl)amino]-4-hydroxyanthraquinone94313-83-4C20H21NO4
- 1-(4-Butoxy-3-methoxybenzyl)indoline-2,3-dione862691-21-2C20H21NO4
- N-(4-(2-Methoxyphenoxy)but-2-yn-1-yl)-2-phenoxypropanamide1421482-13-4C20H21NO4
- Methyl 4-(((2-hydroxy-1,2,3,4-tetrahydronaphthalen-2-yl)methyl)carbamoyl)benzoate1421465-93-1C20H21NO4
- 4-([(9H-Fluoren-9-ylmethoxy)carbonyl]amino)-3-methylbutanoic acid1502496-59-4C20H21NO4
- [2-(4-Butylanilino)-2-oxoethyl] 4-formylbenzoate743449-69-6C20H21NO4
- Ethyl 3-[(4-acetylphenyl)amino]-2-benzyl-3-oxopropanoate364608-60-6C20H21NO4
- 1-Benzoylpropyl 3-(acetylamino)-4-methylbenzoate516470-27-2C20H21NO4
- 2-(3-Benzoylphenoxy)-1-(morpholin-4-yl)propan-1-one76981-48-1C20H21NO4
- 1-Butyl-3-hydroxy-3-[2-(2-hydroxyphenyl)-2-oxoethyl]indol-2-one862706-66-9C20H21NO4
- 4-(4-Formyl-phenoxy)-piperidine-1-carboxylic acid benzyl ester199103-20-3C20H21NO4
- (1R,2R,7S,9S)-4,12-Diphenyl-3,5,11,13-tetraoxa-8-azatricyclo[7.4.0.02,7]tridecane1246812-42-9C20H21NO4
- (3R,4S)-1-Benzoyl-3-((2-methoxypropan-2-yl)oxy)-4-phenylazetidin-2-one149107-92-6C20H21NO4
- 2-(2,3-Dimethylphenoxy)-N,N-bis(2-furylmethyl)acetamide874192-22-0C20H21NO4
- 2-(3,5-Dimethylphenoxy)-N,N-bis(2-furylmethyl)acetamide874376-67-7C20H21NO4
- N-(Furan-2-ylmethyl)-N-[(5-methylfuran-2-yl)methyl]-2-(3-methylphenoxy)acetamide897840-99-2C20H21NO4
- N-(4-Acetylphenyl)-2-[(2,2-dimethyl-2,3-dihydro-1-benzofuran-7-yl)oxy]acetamide939156-75-9C20H21NO4
- 2-[1-(4-Acetylphenyl)-6,6-dimethyl-4-oxo-5,6,7-trihydroindol-2-yl]acetic acid912909-81-0C20H21NO4
- N-(4-Acetylphenyl)-4-(tetrahydro-2-furanylmethoxy)benzamide940523-20-6C20H21NO4
- N-(3-Acetylphenyl)-4-(tetrahydro-2-furanylmethoxy)benzamide940511-68-2C20H21NO4
- 3-(5-Hydroxy-5-phenylpentanoyl)-4-phenyl-1,3-oxazolidin-2-one439113-84-5C20H21NO4
- 2-(6,7-Dimethoxynaphthalen-2-yl)-4,5-dimethoxyaniline102012-70-4C20H21NO4
- Methyl 4-[(4-phenyloxane-4-carbonyl)amino]benzoate897314-38-4C20H21NO4
- N-[(2H-1,3-Benzodioxol-5-yl)methyl]-4-phenyloxane-4-carboxamide1091142-31-2C20H21NO4
- 2-(4,4-Dimethoxy-4-phenylbutyl)-2,3-dihydro-1H-isoindole-1,3-dione1365965-68-9C20H21NO4
- 2-((4-Acetylphenyl)amino)-2-oxoethyl 2-phenylbutanoate1009248-13-8C20H21NO4
- 2-(Indolin-1-yl)-2-oxoethyl 2-(4-ethoxyphenyl)acetate1794781-07-9C20H21NO4
- (2S,4R)-(9H-Fluoren-9-yl)methyl 4-hydroxy-2-(hydroxymethyl)pyrrolidine-1-carboxylate163671-09-8C20H21NO4
- (R)-3-[Fmoc-(methyl)amino]-2-methylpropanoic Acid2865160-71-8C20H21NO4
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 1-(Benzyloxycarbonyl)-4-phenylpiperidine-4-carboxylic acid, (R)-2-[(9H-Fluoren-9-ylmethoxycarbonylamino)-methyl]-butyric acid, 2-[(4-Phenoxyphenyl)carbamoyl]cyclohexane-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 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.