Molecular formula
C20H21NO5
298 compounds have this formula on CompoundList.
- Molar mass
- 355.39g/mol
- Monoisotopic mass
- 359.1671Da
- Atoms
- 47
- Elements
- 4
- Rings plus double bonds
- 11
The formula C20H21NO5 describes a molecule made of 20 carbon atoms, 21 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 × 2067.59%12.011 × 20 = 240.220 g/mol
- H Hydrogen × 215.96%1.008 × 21 = 21.168 g/mol
- N Nitrogen × 13.94%14.007 × 1 = 14.007 g/mol
- O Oxygen × 522.51%15.999 × 5 = 79.995 g/mol
Look up another formula
Compounds with the formula C20H21NO5
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 100 of 298 compounds
alpha-(3,4-Dimethoxyphenyl)-6,7-dimethoxy-1-isoquinolinemethanol
CAS 482-76-8C20H21NO5
Repirinast
CAS 73080-51-0C20H21NO5
Ophiocarpine
CAS 478-13-7C20H21NO5
10-Ketonaltrexone
CAS 96445-14-6C20H21NO5
3-(2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)ethoxy)propanoic acid
CAS 1654740-73-4C20H21NO5
![9,10-Anthracenedione, 1-amino-4-hydroxy-2-[(6-hydroxyhexyl)oxy]- chemical structure, C20H21NO5, CAS 12236-10-1](/s/RQLMZSLFKGNXTO-UHFFFAOYSA-N.svg)
9,10-Anthracenedione, 1-amino-4-hydroxy-2-[(6-hydroxyhexyl)oxy]-
CAS 12236-10-1C20H21NO5
![(2S,3R)-2-({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)-3-methoxybutanoic acid chemical structure, C20H21NO5, CAS 928063-81-4](/s/BOGQZFFOTLSMMA-XIKOKIGWSA-N.svg)
(2S,3R)-2-({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)-3-methoxybutanoic acid
CAS 928063-81-4C20H21NO5
![(2S)-3-Ethoxy-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)propanoic acid chemical structure, C20H21NO5, CAS 1562432-09-0](/s/KLEJEVDXSXCTFY-SFHVURJKSA-N.svg)
(2S)-3-Ethoxy-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)propanoic acid
CAS 1562432-09-0C20H21NO5
8-Dimethylaminomethyl-7-hydroxy-3-(2-methoxy-phenoxy)-2-methyl-chromen-4-one
CAS 846063-03-4C20H21NO5
(2S)-2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-3-hydroxy-3-methylbutanoic acid
CAS 1217603-41-2C20H21NO5
2-((((9H-Fluoren-9-yl)methoxy)carbonyl)(2-methoxyethyl)amino)acetic acid
CAS 1341969-00-3C20H21NO5
trans-Canadine-N-oxide
CAS 86639-35-2C20H21NO5
![8-[(Dimethylamino)methyl]-7-hydroxy-3-(4-methoxyphenoxy)-2-methyl-4H-chromen-4-one chemical structure, C20H21NO5, CAS 844647-26-3](/s/ZGTMHIRULLSPEI-UHFFFAOYSA-N.svg)
8-[(Dimethylamino)methyl]-7-hydroxy-3-(4-methoxyphenoxy)-2-methyl-4H-chromen-4-one
CAS 844647-26-3C20H21NO5
Methyl 4-(2-((2,2-dimethyl-2,3-dihydrobenzofuran-7-yl)oxy)acetamido)benzoate
CAS 941985-37-1C20H21NO5
2-(3,4-Dimethylphenyl)-2-oxoethyl (1,3-dioxo-1,3,3a,4,7,7a-hexahydro-2H-isoindol-2-yl)acetate
CAS 352672-11-8C20H21NO5
![2-({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)-4-methoxybutanoic acid chemical structure, C20H21NO5, CAS 1480400-34-7](/s/JBIRUWVMQYLPPX-UHFFFAOYSA-N.svg)
2-({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)-4-methoxybutanoic acid
CAS 1480400-34-7C20H21NO5
(2R)-3-Ethoxy-2-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)propanoic acid
CAS 2093993-48-5C20H21NO5
2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-3-methoxy-2-methylpropanoic acid
CAS 1694536-15-6C20H21NO5
![2-[[2-Hydroxy-3-(2-prop-2-enylphenoxy)propyl]carbamoyl]benzoic acid chemical structure, C20H21NO5, CAS 433235-41-7](/s/YKYKIKZMWOUNDG-UHFFFAOYSA-N.svg)
2-[[2-Hydroxy-3-(2-prop-2-enylphenoxy)propyl]carbamoyl]benzoic acid
CAS 433235-41-7C20H21NO5
1-Oxo-1-phenylpropan-2-yl 4-((2-methoxyphenyl)amino)-4-oxobutanoate
CAS 335391-13-4C20H21NO5
![3-[2-(3,4-Dimethoxyphenyl)-2-oxoethyl]-1-ethyl-3-hydroxy-1,3-dihydro-2H-indol-2-one chemical structure, C20H21NO5, CAS 421578-86-1](/s/NUGZBAGKZYUTEJ-UHFFFAOYSA-N.svg)
3-[2-(3,4-Dimethoxyphenyl)-2-oxoethyl]-1-ethyl-3-hydroxy-1,3-dihydro-2H-indol-2-one
CAS 421578-86-1C20H21NO5
1,2-Bis(4-methoxyphenyl)-6-oxopiperidine-3-carboxylic acid
CAS 656243-36-6C20H21NO5
![Methyl 4-[(3,5-dimethylphenoxy)acetyl]-3,4-dihydro-2H-1,4-benzoxazine-2-carboxylate chemical structure, C20H21NO5, CAS 879948-56-8](/s/FGYUMLVXQGVKNM-UHFFFAOYSA-N.svg)
Methyl 4-[(3,5-dimethylphenoxy)acetyl]-3,4-dihydro-2H-1,4-benzoxazine-2-carboxylate
CAS 879948-56-8C20H21NO5
![Methyl 4-[(2,3-dimethylphenoxy)acetyl]-3,4-dihydro-2H-1,4-benzoxazine-2-carboxylate chemical structure, C20H21NO5, CAS 879948-82-0](/s/BKISVRDAPZGVHF-UHFFFAOYSA-N.svg)
Methyl 4-[(2,3-dimethylphenoxy)acetyl]-3,4-dihydro-2H-1,4-benzoxazine-2-carboxylate
CAS 879948-82-0C20H21NO5
- Methyl 4-[(4-ethylphenoxy)acetyl]-3,4-dihydro-2H-1,4-benzoxazine-2-carboxylate879954-49-1C20H21NO5
- (3R)-3-({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)-4-methoxybutanoic acid2219353-65-6C20H21NO5
- (E)-N-(4-Acetylphenyl)-3-(3,4,5-trimethoxyphenyl)prop-2-enamide1164533-99-6C20H21NO5
- 8-(3-Methoxy-2-propoxyphenyl)-7,8-dihydro[1,3]dioxolo[4,5-g]quinolin-6(5H)-one835890-69-2C20H21NO5
- 2-[3-({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)propoxy]acetic acid940088-41-5C20H21NO5
- 4-({[4-(4-Methoxyphenyl)tetrahydro-2H-pyran-4-yl]carbonyl}amino)benzoic acid695170-22-0C20H21NO5
- Ethyl 3-{[3-(3,4-dimethoxyphenyl)-3-oxo-1-propen-1-yl]amino}benzoate1164531-08-1C20H21NO5
- 2-(2-Methoxyphenyl)-1-(4-methoxyphenyl)-6-oxopiperidine-3-carboxylic acid855715-29-6C20H21NO5
- Methyl 4-[(3,4-dimethylphenoxy)acetyl]-3,4-dihydro-2H-1,4-benzoxazine-2-carboxylate879948-33-1C20H21NO5
- Ethyl 4-[3-(2,3-dihydro-1,4-benzodioxin-3-yl)propanoylamino]benzoate717862-31-2C20H21NO5
- 5,7,8,15-Tetrahydro-4-hydroxy-3-methoxy-6-methyl[1,3]benzodioxolo[5,6-e][2]benzazecin-14(6H)-one490-52-8C20H21NO5
- Ethyl 4-{[3-(3,4-dimethoxyphenyl)-3-oxo-1-propen-1-yl]amino}benzoate1164462-75-2C20H21NO5
- [2-(1,3-Benzodioxol-5-ylmethylamino)-2-oxoethyl] 2-phenylbutanoate400061-49-6C20H21NO5
- Duguetine31984-61-9C20H21NO5
- 3-(4-Ethoxy-3-methoxyphenyl)-3-(1-oxo-1,3-dihydro-2H-isoindol-2-yl)propanoic acid885951-50-8C20H21NO5
- (6,7-Dimethoxy-3,4-dihydroisoquinolin-1-yl)(3,4-dimethoxyphenyl)methanone20345-69-1C20H21NO5
- 3-[2-(2,4-Dimethoxyphenyl)-2-oxoethyl]-1-ethyl-3-hydroxyindol-2-one370844-90-9C20H21NO5
- 2-[2-(N-Fmoc-N-methylamino)ethoxy]acetic Acid2756687-61-1C20H21NO5
- (2R)-2-({[(9H-Fluoren-9-yl)methoxy]carbonyl}(methyl)amino)-4-hydroxybutanoic acid2639372-17-9C20H21NO5
- CC-3052216884-02-5C20H21NO5
- Glycocitrine-Iv262359-05-7C20H21NO5
- Desmorostratine1079253-22-7C20H21NO5
- 5H-Benzo(g)-1,3-benzodioxolo(6,5,4-de)quinolin-8-ol, 6,7,7a,8-tetrahydro-9,10-dimethoxy-7-methyl-, (7aS,8R)-82413-17-0C20H21NO5
- Gravacridonediol methyl ether37551-76-1C20H21NO5
- 4H-Benzo(g)-1,3-benzodioxolo(4,5,6-de)quinolin-11-ol, 5,6,6a,7-tetrahydro-10,12-dimethoxy-6-methyl-, (6aS)-19893-96-0C20H21NO5
- 3-(3,4-Dimethoxyphenyl)-8-((dimethylamino)methyl)-7-hydroxy-2H-chromen-2-one869081-01-6C20H21NO5
- 3-(3,4-Dimethoxyphenyl)-8-((dimethylamino)methyl)-7-hydroxy-4H-chromen-4-one858764-21-3C20H21NO5
- Spiro[7H-indeno[4,5-d]-1,3-dioxole-7,1'(2'H)-isoquinoline]-7',8-diol, 3',4',6,8-tetrahydro-6'-methoxy-2'-methyl-, (7S-trans)-24181-78-0C20H21NO5
- Duguevanine89368-33-2C20H21NO5
- Aspirin phenylalanine ethyl ester76748-72-6C20H21NO5
- N-(1,3-Benzodioxol-5-ylmethyl)-5-methyl-2-phenyl-1,3-dioxane-5-carboxamide540516-02-7C20H21NO5
- 8-((Dimethylamino)methyl)-7-hydroxy-3-(3-methoxyphenoxy)-2-methyl-4H-chromen-4-one844453-55-0C20H21NO5
- 3-(2,5-Dimethoxyphenyl)-8-((dimethylamino)methyl)-7-hydroxy-2H-chromen-2-one859670-17-0C20H21NO5
- 3-(2,4-Dimethoxyphenyl)-8-((dimethylamino)methyl)-7-hydroxy-2H-chromen-2-one859671-87-7C20H21NO5
- 1,3,6-Trihydroxy-5-methoxy-10-methyl-2-(3-methyl-2-buten-1-yl)-9(10H)-acridinone119116-85-7C20H21NO5
- Cis-1,2-dihydro-1,2-dihydroxyacronycine107882-25-7C20H21NO5
- Ethyl 2-{[3-(3,4-dimethoxyphenyl)acryloyl]amino}benzoate343783-68-6C20H21NO5
- (E)-N-(2-(1,3-Benzodioxol-5-yl)ethyl)-3-(3,4-dimethoxyphenyl)prop-2-enamide125187-30-6C20H21NO5
- 3 suppliers(S)-2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-4-methoxybutanoic acid173212-86-7C20H21NO5
- 1 suppliersN-[(9H-Fluoren-9-ylmethoxy)carbonyl]-N-methyl-L-threonine252049-06-2C20H21NO5
- Crebanine N-oxide102719-85-7C20H21NO5
- (12R)-15,16-Dimethoxy-11-methyl-11-oxido-3,5-dioxa-11-azoniapentacyclo[10.7.1.02,6.08,20.014,19]icosa-1(20),2(6),7,14(19),15,17-hexaeneC20H21NO5
- Marshmine160927-88-8C20H21NO5
- (R)-2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-3-hydroxy-3-methylbutanoic acid884880-39-1C20H21NO5
- (2,5-Dimethoxyphenyl){4-[(dimethylamino)methyl]-5-hydroxy-1-benzofuran-3-yl}methanone337311-90-7C20H21NO5
- Dibenzyl (2S,4R)-4-hydroxypyrrolidine-1,2-dicarboxylate13500-53-3C20H21NO5
- Fmoc-O-methyl-D-threonine1301706-86-4C20H21NO5
- Colchiritchine111509-14-9C20H21NO5
- 1 suppliersFmoc-(2S,3S)-2-amino-3-methoxybutanoic acid1279029-70-7C20H21NO5
- 1 suppliersN-Fmoc-N,O-dimethyl-L-serine1569103-64-5C20H21NO5
- Ethyl 4-(1,3-benzodioxol-5-yl)-2-methyl-5-oxo-1,4,5,6,7,8-hexahydro-3-quinolinecarboxylate299407-02-6C20H21NO5
- N-alpha-(9-Fluorenylmethyloxycarbonyl)-O-methyl-D-homoserine1272755-48-2C20H21NO5
- Romucosine C356048-25-4C20H21NO5
- Methyl 4-(4-acetyloxyphenyl)-2-methyl-5-oxo-4,6,7,8-tetrahydro-1H-quinoline-3-carboxylate329062-34-2C20H21NO5
- O-Methylcassythine3984-10-9C20H21NO5
- Methyl (8'aR)-2',3',8',8'a-tetrahydro-5',6'-dimethoxy-4-oxospiro(2,5-cyclohexadiene-1,7'(1'H)-cyclopent(ij)isoquinoline)-1'-carboxylate275355-87-8C20H21NO5
- Fmoc-5-hydroxy-Nva-OH2169956-19-6C20H21NO5
- Dimethyl 5-[(2-phenylbutanoyl)amino]isophthalate335397-43-8C20H21NO5
- Dimethyl 2-[(2-phenylbutanoyl)amino]terephthalate346715-40-0C20H21NO5
- 2-{[(9H-Fluoren-9-ylmethoxy)carbonyl]amino}-3-methoxybutanoic acid1396995-62-2C20H21NO5
- 3-Hydroxy-1-(2-methoxyethyl)-4-(5-methyl-2-furoyl)-5-(4-methylphenyl)-1,5-dihydro-2H-pyrrol-2-one488734-15-2C20H21NO5
- N,6-Diacetylnormorphine58772-72-8C20H21NO5
- Ethyl 3-(2-hydroxyethyl)-6-methyl-3,4-dihydro-2H-furo[3',2':3,4]naphtho[2,1-e][1,3]oxazine-5-carboxylate379252-72-9C20H21NO5
- (2R,3S)-2-((((9H-Fluoren-9-yl)methoxy)carbonyl)(methyl)amino)-3-hydroxybutanoic acid1931907-74-2C20H21NO5
- 15,16-Dimethoxy-11-methyl-11-oxido-3,5-dioxa-11-azoniapentacyclo[10.7.1.02,6.08,20.014,19]icosa-1(20),2(6),7,14(19),15,17-hexaeneC20H21NO5
- Ethyl 4-{[4-(4-methylphenoxy)-4-oxobutanoyl]amino}benzoate446825-99-6C20H21NO5
- Butyl 4-[(2,3-dihydro-1,4-benzodioxin-2-ylcarbonyl)amino]benzoate304888-66-2C20H21NO5
- Methyl 4-[4-(methoxycarbonyl)phenyl]-2-methyl-5-oxo-1,4,5,6,7,8-hexahydroquinoline-3-carboxylate299948-20-2C20H21NO5
- 1'-(3,4-Dimethoxybenzyl)-1',2'-dihydrospiro([1,3]dioxane-2,3'-indole)-2'-one876890-51-6C20H21NO5
- 1'-(2-(2-Methoxyphenoxy)ethyl)spiro[[1,3]dioxane-2,3'-indolin]-2'-one876890-56-1C20H21NO5
- 3-Hydroxy-1-(2-(2-methoxyphenoxy)ethyl)-3-(2-oxopropyl)indolin-2-one879043-52-4C20H21NO5
- Methyl (2S,3R)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-3-hydroxybutanoate89024-98-6C20H21NO5
- Jatrorrhizine hydroxide483-43-2C20H21NO5
- Methyl (2S,3S)-2-{[(9H-fluoren-9-ylmethoxy)carbonyl]amino}-3-hydroxybutanoate1496506-80-9C20H21NO5
- (Z)-2-(3,4-Dimethoxybenzylidene)-7-((dimethylamino)methyl)-6-hydroxybenzofuran-3(2H)-one869077-03-2C20H21NO5
- (Z)-2-(2,4-Dimethoxybenzylidene)-7-((dimethylamino)methyl)-6-hydroxybenzofuran-3(2H)-one869077-05-4C20H21NO5
Frequently asked questions
What is the molar mass of C20H21NO5?
The molar mass of C20H21NO5 is 355.39 g/mol, calculated from standard atomic weights for 20 carbon atoms, 21 hydrogen atoms, 1 nitrogen atom and 5 oxygen atoms. The monoisotopic mass is 359.1671 Da.
How many compounds have the formula C20H21NO5?
CompoundList lists 298 compounds with the molecular formula C20H21NO5, including alpha-(3,4-Dimethoxyphenyl)-6,7-dimethoxy-1-isoquinolinemethanol, Repirinast, Ophiocarpine. 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 C20H21NO5?
C20H21NO5 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.