Molecular formula
C21H23NO4
409 compounds have this formula on CompoundList.
- Molar mass
- 353.42g/mol
- Monoisotopic mass
- 363.2255Da
- Atoms
- 49
- Elements
- 4
- Rings plus double bonds
- 11
The formula C21H23NO4 describes a molecule made of 21 carbon atoms, 23 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 × 2171.37%12.011 × 21 = 252.231 g/mol
- H Hydrogen × 236.56%1.008 × 23 = 23.184 g/mol
- N Nitrogen × 13.96%14.007 × 1 = 14.007 g/mol
- O Oxygen × 418.11%15.999 × 4 = 63.996 g/mol
Look up another formula
Compounds with the formula C21H23NO4
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 100 of 409 compounds
Fmoc-leucine
CAS 35661-60-0C21H23NO4
(2R)-2-(((9H-Fluoren-9-ylmethoxy)carbonyl)amino)-4-methylpentanoic acid
CAS 114360-54-2C21H23NO4
6-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)hexanoic acid
CAS 88574-06-5C21H23NO4
Cavidine
CAS 32728-75-9C21H23NO4
N-Fmoc-L-isoleucine
CAS 71989-23-6C21H23NO4
N-(((9H-Fluoren-9-yl)methoxy)carbonyl)leucine
CAS 126727-03-5C21H23NO4
(2S)-2-((((9H-Fluoren-9-yl)methoxy)carbonyl)(methyl)amino)-3-methylbutanoic acid
CAS 84000-11-3C21H23NO4
tert-Butyl (2R,3S)-6-oxo-2,3-diphenylmorpholine-4-carboxylate
CAS 112741-49-8C21H23NO4
(2S)-2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)hexanoic acid
CAS 77284-32-3C21H23NO4
![(2R)-2-({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)hexanoic acid chemical structure, C21H23NO4, CAS 112883-41-7](/s/VCFCFPNRQDANPN-LJQANCHMSA-N.svg)
(2R)-2-({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)hexanoic acid
CAS 112883-41-7C21H23NO4
(2S)-2-(9H-Fluoren-9-ylmethoxycarbonylamino)-3,3-dimethylbutanoic acid
CAS 132684-60-7C21H23NO4
![(2R,3R)-2-({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)-3-methylpentanoic acid chemical structure, C21H23NO4, CAS 143688-83-9](/s/QXVFEIPAZSXRGM-BFUOFWGJSA-N.svg)
(2R,3R)-2-({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)-3-methylpentanoic acid
CAS 143688-83-9C21H23NO4
Flavodilol
CAS 79619-31-1C21H23NO4
![N-[(9H-Fluoren-9-ylmethoxy)carbonyl]-L-isoleucine chemical structure, C21H23NO4, CAS 2250198-69-5](/s/QXVFEIPAZSXRGM-UHFFFAOYSA-N.svg)
N-[(9H-Fluoren-9-ylmethoxy)carbonyl]-L-isoleucine
CAS 2250198-69-5C21H23NO4
![1-(2,5-Dimethoxyphenyl)-3-[(3,5-dimethylphenyl)methyl]pyrrolidine-2,5-dione chemical structure, C21H23NO4, CAS 330675-23-5](/s/ZFURNRGFHTYOGA-UHFFFAOYSA-N.svg)
1-(2,5-Dimethoxyphenyl)-3-[(3,5-dimethylphenyl)methyl]pyrrolidine-2,5-dione
CAS 330675-23-5C21H23NO4
N-alpha-(9-Fluorenylmethyloxycarbonyl)-N-alpha-methyl-D-valine
CAS 103478-58-6C21H23NO4
(3S)-3-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-4-methylpentanoic acid
CAS 266318-79-0C21H23NO4
1,1-Dimethylethyl (2S,3R)-6-oxo-2,3-diphenyl-4-morpholinecarboxylate
CAS 112741-50-1C21H23NO4
2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)hexanoic acid
CAS 144701-20-2C21H23NO4
(R)-3-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-4-methylpentanoic acid
CAS 172695-33-9C21H23NO4
![2-({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)-3,3-dimethylbutanoic acid chemical structure, C21H23NO4, CAS 186320-21-8](/s/VZOHGJIGTNUNNC-UHFFFAOYSA-N.svg)
2-({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)-3,3-dimethylbutanoic acid
CAS 186320-21-8C21H23NO4
![2-Ethyl-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)butanoic acid chemical structure, C21H23NO4, CAS 218926-46-6](/s/NUABWLRFIOIRJG-UHFFFAOYSA-N.svg)
2-Ethyl-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)butanoic acid
CAS 218926-46-6C21H23NO4
tert-Butyl 6-oxo-2,3-diphenyl-4-morpholinecarboxylate
CAS 302911-78-0C21H23NO4
![N-[2-[5-Methoxy-2-[(3-methoxyphenyl)methyl]-1-benzofuran-3-yl]ethyl]acetamide chemical structure, C21H23NO4, CAS 229323-14-2](/s/GNWDMICUDNQPEK-UHFFFAOYSA-N.svg)
N-[2-[5-Methoxy-2-[(3-methoxyphenyl)methyl]-1-benzofuran-3-yl]ethyl]acetamide
CAS 229323-14-2C21H23NO4
- 2-(3,4-Dimethoxyphenethyl)-3a,4,7,7a-tetrahydro-1H-spiro[4,7-methanoisoindole-8,1'-cyclopropane]-1,3(2H)-dione329362-31-4C21H23NO4
- 4-([(9H-Fluoren-9-ylmethoxy)carbonyl]amino)-4-methylpentanoic acid1310680-22-8C21H23NO4
- Dehydroglaucine22212-26-6C21H23NO4
- 4-({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)-3,3-dimethylbutanoic acid1310680-27-3C21H23NO4
- 3-Benzyl-1-[2-(3,4-dimethoxyphenyl)ethyl]pyrrolidine-2,5-dione330951-20-7C21H23NO4
- (E)-1-(3,4-Dihydro-1H-isoquinolin-2-yl)-3-(3,4,5-trimethoxyphenyl)prop-2-en-1-one431995-30-1C21H23NO4
- 2 suppliers5-({[(9H-Fluoren-9-yl)methoxy]carbonyl}(methyl)amino)pentanoic acid173690-48-7C21H23NO4
- 2-(((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)methyl)-3-methylbutanoic acid180181-98-0C21H23NO4
- Fmoc-4-amino-2,2-dimethyl-butyric acid1310680-24-0C21H23NO4
- 2-[2-(3,4-Dimethoxyphenyl)ethyl]hexahydro-4,6-ethenocyclopropa[f]isoindole-1,3(2H,3aH)-dione322476-14-2C21H23NO4
- 4-p-Tolylcarbamoyl-butyric acid 1-methyl-2-oxo-2-phenyl-ethyl ester335391-38-3C21H23NO4
- (E)-1-(3,4-Dihydro-2H-quinolin-1-yl)-3-(3,4,5-trimethoxyphenyl)prop-2-en-1-one1164545-40-7C21H23NO4
- 1-[(3-Carboxymethyl-4-benzyloxy)]-2-N-tert-butyliminoacetophenone345322-10-3C21H23NO4
- 4-Benzyloxy-3-hydroxymethylindole, N-BOC protected914349-09-0C21H23NO4
- 3-((((9H-Fluoren-9-yl)methoxy)carbonyl)(propyl)amino)propanoic acid2171909-89-8C21H23NO4
- Ethyl 4-{[(4-phenyltetrahydro-2H-pyran-4-yl)carbonyl]amino}benzoate313702-76-0C21H23NO4
- N-[(4-Phenyltetrahydro-2H-pyran-4-yl)methyl]-2,3-dihydro-1,4-benzodioxine-2-carboxamide355820-53-0C21H23NO4
- 2-(4-(2-Piperidin-1-ylethoxy)benzoyl)benzoic acid130566-58-4C21H23NO4
- Ethyl 1-(2-phenoxybenzoyl)piperidine-3-carboxylate349440-78-4C21H23NO4
- 1-Butyl-3-hydroxy-3-[2-(2-methoxyphenyl)-2-oxoethyl]indol-2-one689741-44-4C21H23NO4
- 9-(2,5-Dimethoxyphenyl)-2,3,4,5,6,7,9,10-octahydroacridine-1,8-dione385407-48-7C21H23NO4
- Ethyl 1-(2-phenoxybenzoyl)piperidine-4-carboxylate349414-22-8C21H23NO4
- [4-(4-Methoxybenzoyl)-1-methyltetrahydro-1H-pyrrol-3-yl](4-methoxyphenyl)methanone478067-80-0C21H23NO4
- 1-(2-Hydroxyphenyl)-3-[4-methoxy-3-(4-morpholinylmethyl)phenyl]-2-propen-1-one1164512-12-2C21H23NO4
- (E)-N-(2,3-Dihydro-1,4-benzodioxin-3-ylmethyl)-3-(4-propan-2-yloxyphenyl)prop-2-enamide516470-86-3C21H23NO4
- 1-Benzyl-5-(3,4,5-trimethoxyphenyl)-2,3-dihydropyridin-4(1H)-one1017601-65-8C21H23NO4
- (3S)-3-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)hexanoic acid662134-64-7C21H23NO4
- (3R)-3-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)hexanoic acid244227-62-1C21H23NO4
- 2-(Ethyl((((9H-fluoren-9-yl)methoxy)carbonyl))amino)butanoic acid1699285-70-5C21H23NO4
- [2-(4-Benzylpiperidin-1-yl)-2-oxoethyl] 2-hydroxybenzoate380485-27-8C21H23NO4
- 5-({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)-3-methylpentanoic acid1866014-66-5C21H23NO4
- 7,7-Dimethyl-N-(naphthalen-1-yl)-2-oxo-1,8-dioxaspiro[4.5]decane-4-carboxamide672280-20-5C21H23NO4
- 3-({[(9H-Fluoren-9-yl)methoxy]carbonyl}(methyl)amino)-2,2-dimethylpropanoic acid1199780-15-8C21H23NO4
- Piperphentonamine712260-52-1C21H23NO4
- 2-[9H-Fluoren-9-ylmethoxycarbonyl(propyl)amino]propanoic acid2642729-48-2C21H23NO4
- 1,7-Diphenyl-4-ethyl-4-nitro-1,7-heptanedione102449-62-7C21H23NO4
- (3S)-3-({[(9H-Fluoren-9-yl)methoxy]carbonyl}(methyl)amino)pentanoic acid2924074-72-4C21H23NO4
- (1S)-2-[(tert-Butoxy)carbonyl]-1-phenyl-1,2,3,4-tetrahydroisoquinoline-1-carboxylic acid2919940-48-8C21H23NO4
- Rubropunctamine514-66-9C21H23NO4
- 3-[(2,4-Dimethoxyphenyl)amino]-5-(4-methoxyphenyl)cyclohex-2-en-1-one364597-16-0C21H23NO4
- N-(2,5-Dimethoxyphenyl)-2-[5-(propan-2-yl)-1-benzofuran-3-yl]acetamide881446-38-4C21H23NO4
- N-(1-Adamantyl)-8-methoxy-2-oxochromene-3-carboxamide714262-99-4C21H23NO4
- 3 suppliersOlopatadine N-oxide173174-07-7C21H23NO4
- 7-Methoxy-4'-hydroxy-3'-diethylaminomethylisoflavone129596-76-5C21H23NO4
- 2-(4-Methoxy-6-methyl-5,6,7,8-tetrahydro-[1,3]dioxolo[4,5-g]isoquinolin-5-yl)-1-(p-tolyl)ethanone370841-98-8C21H23NO4
- N,N-Bis(furan-2-ylmethyl)-2-(2,4,6-trimethylphenoxy)acetamide874192-21-9C21H23NO4
- Methyl 4-(4-tert-butylbenzoyl)-3,4-dihydro-2H-1,4-benzoxazine-2-carboxylate879947-69-0C21H23NO4
- Dihydropalmatine26067-60-7C21H23NO4
- 8-(Diethylaminomethyl)-7-hydroxy-3-(4-methoxyphenyl)chromen-4-one858768-31-7C21H23NO4
- 2,2,4-Trimethyl-1,2-dihydroquinolin-6-yl 3,5-dimethoxybenzoate377060-47-4C21H23NO4
- Melosatin A64838-04-6C21H23NO4
- 3 suppliersN-((9H-Fluoren-9-ylmethoxy)carbonyl)-L-alloisoleucine251316-98-0C21H23NO4
- 2 suppliersFMOC-D-allo-Isoleucine118904-37-3C21H23NO4
- (Z)-6-Hydroxy-2-((5-methylfuran-2-yl)methylene)-7-((3-methylpiperidin-1-yl)methyl)benzofuran-3(2H)-one896078-46-9C21H23NO4
- 1 suppliersN-((9H-Fluoren-9-ylmethoxy)carbonyl)-N-methyl-L-norvaline252049-05-1C21H23NO4
- (+-)Thalictrifoline79082-02-3C21H23NO4
- 3-[(Diethylamino)methyl]-1,8-dimethoxyanthracene-9,10-dione111822-84-5C21H23NO4
- 1-Butyl-3-hydroxy-3-[2-(3-methoxyphenyl)-2-oxoethyl]-1,3-dihydro-2H-indol-2-one689741-52-4C21H23NO4
- 2 suppliersFmoc-D-tert-leucine198543-64-5C21H23NO4
- 1 suppliers(R)-2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-2,3-dimethylbutanoic acid616867-28-8C21H23NO4
- 1 suppliersGlycine, N-[(9H-fluoren-9-ylmethoxy)carbonyl]-N-(2-methylpropyl)-141743-14-8C21H23NO4
- 1 suppliers3-({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)-4-methylpentanoic acid282524-93-0C21H23NO4
- 2 suppliers(S)-2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-2,3-dimethylbutanoic acid169566-81-8C21H23NO4
- 1 suppliersFmoc-N-(butyl)-glycine234442-58-1C21H23NO4
- 1 suppliersFmoc-2-Me-Nval-OH881921-10-4C21H23NO4
- alpha-Hydroxyolopatadine1331822-32-2C21H23NO4
- 1 suppliers(S)-2-(((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)methyl)-3-methylbutanoic acid203854-59-5C21H23NO4
- 1 suppliersFmoc-Leu-OH-15N200937-57-1C21H23NO4
- 1 suppliers(R)-2-((((9H-Fluoren-9-yl)methoxy)carbonyl)(methyl)amino)pentanoic acid1799443-42-7C21H23NO4
- Benzamide,N-(2-acetylphenyl)-3-(cyclopentyloxy)-4-methoxy-144035-68-7C21H23NO4
- Thalicthuberine477-35-0C21H23NO4
- Prop-2-en-1-yl 4-(3-methoxyphenyl)-2-methyl-5-oxo-1,4,5,6,7,8-hexahydroquinoline-3-carboxylate299946-63-7C21H23NO4
- (R)-2-(((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)methyl)-3-methylbutanoic acid501331-02-8C21H23NO4
- 1-Boc-7-Benzyloxy-3-hydroxymethylindole914349-16-9C21H23NO4
- Fmoc-[D10]Leu-OH1190594-22-9C21H23NO4
- 2,2,4-Trimethyl-1,2-dihydroquinolin-6-yl (4-methoxyphenoxy)acetate332938-25-7C21H23NO4
Frequently asked questions
What is the molar mass of C21H23NO4?
The molar mass of C21H23NO4 is 353.42 g/mol, calculated from standard atomic weights for 21 carbon atoms, 23 hydrogen atoms, 1 nitrogen atom and 4 oxygen atoms. The monoisotopic mass is 363.2255 Da.
How many compounds have the formula C21H23NO4?
CompoundList lists 409 compounds with the molecular formula C21H23NO4, including Fmoc-leucine, (2R)-2-(((9H-Fluoren-9-ylmethoxy)carbonyl)amino)-4-methylpentanoic acid, 6-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)hexanoic 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 C21H23NO4?
C21H23NO4 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.