Molecular formula
C21H21NO4S
115 compounds have this formula on CompoundList.
- Molar mass
- 383.46g/mol
- Monoisotopic mass
- 383.1191Da
- Atoms
- 48
- Elements
- 5
- Rings plus double bonds
- 12
The formula C21H21NO4S describes a molecule made of 21 carbon atoms, 21 hydrogen atoms, 1 nitrogen atom, 4 oxygen atoms and 1 sulfur atom. 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 × 2165.78%12.011 × 21 = 252.231 g/mol
- H Hydrogen × 215.52%1.008 × 21 = 21.168 g/mol
- N Nitrogen × 13.65%14.007 × 1 = 14.007 g/mol
- O Oxygen × 416.69%15.999 × 4 = 63.996 g/mol
- S Sulfur × 18.36%32.06 × 1 = 32.060 g/mol
Look up another formula
Compounds with the formula C21H21NO4S
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 100 of 115 compounds
(R)-3-((9H-Fluoren-9-ylmethoxy)carbonyl)-2,2-dimethylthiazolidine-4-carboxylic Acid
CAS 873842-06-9C21H21NO4S
![3-[N-(3,5-Dimethylphenyl)naphthalene-2-sulfonamido]propanoic acid chemical structure, C21H21NO4S, CAS 554438-64-1](/s/ZWRLBQAGQJIQOY-UHFFFAOYSA-N.svg)
3-[N-(3,5-Dimethylphenyl)naphthalene-2-sulfonamido]propanoic acid
CAS 554438-64-1C21H21NO4S
9H-Thioxanthene-9-propanoic acid, alpha-amino-alpha-(cis-3-carboxycyclobutyl)-, (alphaS)-
CAS 394735-81-0C21H21NO4S
![(2S,4R)-1-{[(9H-Fluoren-9-yl)methoxy]carbonyl}-4-(methylsulfanyl)pyrrolidine-2-carboxylic acid chemical structure, C21H21NO4S, CAS 1312674-57-9](/s/RFNREFSUPGGKAM-YJYMSZOUSA-N.svg)
(2S,4R)-1-{[(9H-Fluoren-9-yl)methoxy]carbonyl}-4-(methylsulfanyl)pyrrolidine-2-carboxylic acid
CAS 1312674-57-9C21H21NO4S
N-Benzyl-N-(1,1-dioxidotetrahydrothiophen-3-yl)-3-methyl-1-benzofuran-2-carboxamide
CAS 620567-67-1C21H21NO4S
![2-(4-{[(9H-Fluoren-9-yl)methoxy]carbonyl}thiomorpholin-3-yl)acetic acid chemical structure, C21H21NO4S, CAS 1521047-51-7](/s/QLSIZZDXLAUPQN-UHFFFAOYSA-N.svg)
2-(4-{[(9H-Fluoren-9-yl)methoxy]carbonyl}thiomorpholin-3-yl)acetic acid
CAS 1521047-51-7C21H21NO4S
![2-(4-Methoxyphenoxy)-4,6-dimethyl-3-[(4-methylphenyl)sulfonyl]pyridine chemical structure, C21H21NO4S, CAS 478245-34-0](/s/UZOVFXXZWKGMFL-UHFFFAOYSA-N.svg)
2-(4-Methoxyphenoxy)-4,6-dimethyl-3-[(4-methylphenyl)sulfonyl]pyridine
CAS 478245-34-0C21H21NO4S
![5-Methyl-2-[4-(phenylsulfonyl)phenyl]hexahydro-1H-isoindole-1,3(2H)-dione chemical structure, C21H21NO4S, CAS 1005133-13-0](/s/WBBSDIDBPMPHMQ-UHFFFAOYSA-N.svg)
5-Methyl-2-[4-(phenylsulfonyl)phenyl]hexahydro-1H-isoindole-1,3(2H)-dione
CAS 1005133-13-0C21H21NO4S
N-(2-Methoxyphenyl)-N-(2-phenoxyethyl)benzenesulfonamide
CAS 796127-46-3C21H21NO4S
Trotabresib
CAS 1706738-98-8C21H21NO4S
N-Benzhydryl-3,4-dimethoxybenzenesulfonamide
CAS 496014-48-3C21H21NO4S
Ethyl 7-(furan-2-yl)-2-methyl-5-oxo-4-(thiophen-2-yl)-1,4,5,6,7,8-hexahydroquinoline-3-carboxylate
CAS 694526-08-4C21H21NO4S
3-(Benzylsulfonyl)-N-(4-methoxynaphthalen-1-yl)propanamide
CAS 923387-03-5C21H21NO4S
N-(2-Hydroxy-2-(naphthalen-1-yl)ethyl)-3-(phenylsulfonyl)propanamide
CAS 1351643-38-3C21H21NO4S
(E)-Ethyl 2-(3-(2H-chromen-3-yl)acrylamido)-4,5-dimethylthiophene-3-carboxylate
CAS 887347-32-2C21H21NO4S
2-(4-(Ethylsulfonyl)phenyl)-N-(4-methoxynaphthalen-1-yl)acetamide
CAS 941884-55-5C21H21NO4S
4-(9H-Fluoren-9-ylmethoxycarbonylamino)-tetrahydro-thiopyran-4-carboxylic acid
CAS 368866-35-7C21H21NO4S
1-(3,4-Dimethoxyphenyl)-2-(7-methoxy-4-methylquinolin-2-yl)sulfanylethanone
CAS 503432-17-5C21H21NO4S
(Z)-N-(1,1-Dioxido-2,3-dihydrothiophen-3-yl)-3-(4-methoxyphenyl)-N-(p-tolyl)acrylamide
CAS 691392-54-8C21H21NO4S
![(2S,5R)-Benzhydryl 3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylate 4-oxide chemical structure, C21H21NO4S, CAS 87579-78-0](/s/AZIUCAWYSMPKQK-HVHNRQALSA-N.svg)
(2S,5R)-Benzhydryl 3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylate 4-oxide
CAS 87579-78-0C21H21NO4S
![S-(9H-Fluoren-9-ylmethyl)-N-[(2-propen-1-yloxy)carbonyl]-L-cysteine chemical structure, C21H21NO4S, CAS 182201-77-0](/s/MUSZBDPVJSUUQY-IBGZPJMESA-N.svg)
S-(9H-Fluoren-9-ylmethyl)-N-[(2-propen-1-yloxy)carbonyl]-L-cysteine
CAS 182201-77-0C21H21NO4S
Ethyl 2-(1-benzofuran-2-carbonylamino)-6-methyl-4,5,6,7-tetrahydro-1-benzothiophene-3-carboxylate
CAS 302573-87-1C21H21NO4S
(S)-Fmoc-5,5-dimethyl-1,3-thiazolidine-4-carboxylic acid
CAS 141636-66-0C21H21NO4S
methanone chemical structure, C21H21NO4S, CAS 1135798-11-6](/s/OGHQVBIGARGOHC-UHFFFAOYSA-N.svg)
[2-(4-Ethylphenyl)-4-thiazolyl](3,4,5-trimethoxyphenyl)methanone
CAS 1135798-11-6C21H21NO4S
- (R)-3-(((9H-Fluoren-9-yl)methoxy)carbonyl)-5,5-dimethylthiazolidine-4-carboxylic acid753030-79-4C21H21NO4S
- (S)-3-(((9H-Fluoren-9-yl)methyl)thio)-2-(((allyloxy)carbonyl)amino)propanoic acid2568957-47-9C21H21NO4S
- Propyl 2-[(2-methyl-3-furoyl)amino]-4-(4-methylphenyl)thiophene-3-carboxylate445014-07-3C21H21NO4S
- (Z)-2-((3-Methylthiophen-2-yl)methylene)-8-((tetrahydrofuran-2-yl)methyl)-8,9-dihydro-2H-benzofuro[7,6-e][1,3]oxazin-3(7H)-one951977-00-7C21H21NO4S
- Fmoc-(4-s)-2,2-dimethyl-1,3-thiazolidine-4-carboxylic acid1932198-36-1C21H21NO4S
- Methyl 2-methyl-4-(5-methylfuran-2-yl)-5-oxo-7-(thiophen-2-yl)-1,4,5,6,7,8-hexahydroquinoline-3-carboxylate305362-34-9C21H21NO4S
- [4-[(4-Methylphenyl)sulfonylamino]naphthalen-1-yl] butanoate305341-18-8C21H21NO4S
- 6-[(4-Benzylpiperidin-1-yl)sulfonyl]-2H-chromen-2-one728036-75-7C21H21NO4S
- 3-{[(9H-Fluoren-9-yl)methoxy]carbonyl}-5,5-dimethyl-1,3-thiazolidine-4-carboxylic acid1822471-05-5C21H21NO4S
- Ethyl 2-(2H-chromene-3-carboxamido)-4,5,6,7-tetrahydrobenzo[b]thiophene-3-carboxylate887346-29-4C21H21NO4S
- Methyl 4-(2,4-dimethylphenyl)-5-methyl-2-[(2-methylfuran-3-carbonyl)amino]thiophene-3-carboxylate445006-47-3C21H21NO4S
- N-(7,7-Dimethyl-9-oxo-6,7,8,9-tetrahydrodibenzo[b,d]furan-2-yl)-4-methylbenzenesulfonamide352436-00-1C21H21NO4S
- Propyl 5-methyl-2-[(5-methylfuran-2-carbonyl)amino]-4-phenylthiophene-3-carboxylate495382-60-0C21H21NO4S
- 4-(3,4-Dimethoxyphenyl)-7-thiophen-2-yl-1,3,4,6,7,8-hexahydroquinoline-2,5-dione847509-66-4C21H21NO4S
- Methyl 4-(4-tert-butylphenyl)-2-(2-furoylamino)thiophene-3-carboxylate445008-92-4C21H21NO4S
- Ethyl 2-[(2-ethoxynaphthalene-1-carbonyl)amino]-5-methylthiophene-3-carboxylate515123-38-3C21H21NO4S
- Dimethyl 1-(4-methylphenyl)-4-(5-methylthiophen-2-yl)-1,4-dihydropyridine-3,5-dicarboxylate667414-65-5C21H21NO4S
- N-(9-Oxo-7,8-dihydro-6H-dibenzofuran-2-yl)-4-propan-2-ylbenzenesulfonamide406475-40-9C21H21NO4S
- 1-(1,3-Benzodioxol-5-yl)-N-[3-methoxy-4-(thiophen-2-ylmethoxy)benzyl]methanamine892587-87-0C21H21NO4S
- N-([1,1'-Biphenyl]-2-yl)-2-(4-methoxyphenoxy)ethanesulfonamide1351620-96-6C21H21NO4S
- 2-(4-(((Furan-2-ylmethyl)thio)methyl)piperidine-1-carbonyl)-4H-chromen-4-one1396767-55-7C21H21NO4S
- N-(3,7,7-Trimethyl-9-oxo-6,8-dihydrodibenzofuran-2-yl)benzenesulfonamide848335-50-2C21H21NO4S
- 3-[4-({[(Furan-2-yl)methyl]sulfanyl}methyl)piperidine-1-carbonyl]-2H-chromen-2-one1396872-66-4C21H21NO4S
- 2,3,4-Trimethoxy-N-(2-(thiophen-3-yl)benzyl)benzamide1797719-45-9C21H21NO4S
- Methyl 2-((1-(9H-xanthene-9-carbonyl)pyrrolidin-3-yl)thio)acetate2034517-61-6C21H21NO4S
- (5Z)-5-{3-Ethoxy-4-[(4-methylbenzyl)oxy]benzylidene}-3-methyl-1,3-thiazolidine-2,4-dione366468-96-4C21H21NO4S
- 3-Benzyl-5-(2,4-diethoxybenzylidene)-1,3-thiazolidine-2,4-dione429650-50-0C21H21NO4S
- Methyl 3-(4-butoxybenzamido)benzo[b]thiophene-2-carboxylate477490-29-2C21H21NO4S
- Methyl 2-(3,5-dimethylbenzofuran-2-carboxamido)-4,5,6,7-tetrahydrobenzo[b]thiophene-3-carboxylate620585-18-4C21H21NO4S
- Benzhydryl (2S,3R,5R)-3-hydroxymethyl-3-methyl-7-oxo-4-thia-1-aza-bicyclo[3.2.0]heptane-2-carboxylate162514-96-7C21H21NO4S
- 4-((4-Methoxyphenyl)sulfonyl)-N-(naphthalen-1-yl)butanamide941926-35-8C21H21NO4S
- 3-(Isopropylsulfonyl)-N-(4-methoxynaphthalen-1-yl)benzamide941885-12-7C21H21NO4S
- 4-(Isopropylsulfonyl)-N-(4-methoxynaphthalen-1-yl)benzamide941957-10-4C21H21NO4S
- N-[2-(Furan-2-yl)-2-(4-methylbenzenesulfonyl)ethyl]-3-methylbenzamide896327-82-5C21H21NO4S
- Tazarotene sulfone1262228-27-2C21H21NO4S
- 3-{[(9H-Fluoren-9-yl)methoxy]carbonyl}-2,2-dimethyl-1,3-thiazolidine-4-carboxylic acid1822491-51-9C21H21NO4S
- Fmoc-cis-4-methylthio-pro-OH1887209-51-9C21H21NO4S
- N-[4-(Benzyloxy)phenyl]-4-ethoxybenzenesulfonamide640718-67-8C21H21NO4S
- 1-Propanamine, 3-dibenzo(b,e)thiepin-11(6H)-ylidene-, (E)-, (Z)-2-butenedioate (1:1)73149-98-1C21H21NO4S
- N-Fmoc-L-cysteine 2-propen-1-yl Ester173966-44-4C21H21NO4S
- Dimethyl 2,6-dimethyl-4-[2-(3-thienyl)phenyl]-1,4-dihydropyridine-3,5-dicarboxylate99902-05-3C21H21NO4S
- 4-(Benzenesulfonyl)-N-(4-methoxynaphthalen-1-yl)butanamide942003-55-6C21H21NO4S
- (E)-1'-((4-Methylstyryl)sulfonyl)spiro[chroman-2,3'-pyrrolidin]-4-one1448139-89-6C21H21NO4S
- N-(3-Hydroxy-3-(naphthalen-1-yl)propyl)-2,3-dihydrobenzofuran-5-sulfonamide1448122-91-5C21H21NO4S
- (4-((Furan-2-ylmethyl)sulfonyl)piperidin-1-yl)(naphthalen-1-yl)methanone1448029-39-7C21H21NO4S
- N-((5-(Hydroxy(phenyl)methyl)thiophen-2-yl)methyl)-3,4-dimethoxybenzamide1795189-69-3C21H21NO4S
- 1'-[(E)-2-(4-Methylphenyl)ethenesulfonyl]-3H-spiro[2-benzofuran-1,3'-piperidine]-3-one1706496-19-6C21H21NO4S
- N-(2-(Furan-2-yl)-2-hydroxy-2-(thiophen-2-yl)ethyl)-1-(2-methoxyphenyl)cyclopropanecarboxamide2034263-91-5C21H21NO4S
- [5-Hydroxy-4-(morpholin-4-ylmethyl)-1-benzofuran-3-yl][4-(methylsulfanyl)phenyl]methanone1676072-66-4C21H21NO4S
- N-(2-(Furan-2-yl)-2-hydroxy-2-(thiophen-3-yl)ethyl)-1-(2-methoxyphenyl)cyclopropanecarboxamide2034483-19-5C21H21NO4S
- N-(4-(Furan-3-yl)benzyl)-3-(4-(methylsulfonyl)phenyl)propanamide2034414-28-1C21H21NO4S
- 4-(2H-Chromene-3-carbonyl)-7-phenyl-1lambda6,4-thiazepane-1,1-dione2034335-57-2C21H21NO4S
- N-(2-(Furan-3-yl)-2-hydroxy-2-(thiophen-2-yl)ethyl)-1-(2-methoxyphenyl)cyclopropanecarboxamide2034487-77-7C21H21NO4S
- N-(2-Hydroxy-2-(5-(thiophen-3-yl)furan-2-yl)ethyl)-1-(2-methoxyphenyl)cyclopropanecarboxamide2034252-07-6C21H21NO4S
- N-(2-Hydroxy-2-(4-(thiophen-3-yl)phenyl)ethyl)-2,3-dimethoxybenzamide2034253-85-3C21H21NO4S
- N-(2-Hydroxy-2-(4-(thiophen-3-yl)phenyl)ethyl)-2-(2-methoxyphenoxy)acetamide2034492-24-3C21H21NO4S
- 3-({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)-1-(methylsulfanyl)cyclobutane-1-carboxylic acid2757955-10-3C21H21NO4S
- Ethyl 2-{[(3,6-dimethyl-1-benzofuran-2-yl)carbonyl]amino}-5,6-dihydro-4H-cyclopenta[b]thiophene-3-carboxylate823827-52-7C21H21NO4S
- [7-Methyl-2-oxo-6-(propan-2-yl)-2H-chromen-4-yl]methyl 2-(methylsulfanyl)pyridine-3-carboxylate807607-16-5C21H21NO4S
- 1H-(1)Benzothiepino(4,3,2-de)isoquinoline, 2,3,12,12a-tetrahydro-2-methyl-, (Z)-2-butenedioate (1:1)93361-73-0C21H21NO4S
- 1-Benzenesulfonyl-2-cyclopent-1-enyl-4,5-dimethoxy-1H-indole916575-08-1C21H21NO4S
- (2E)-3-(3,4-Dimethoxyphenyl)-N-[2-(furan-2-yl)-2-(thiophen-2-yl)ethyl]prop-2-enamide2097940-59-3C21H21NO4S
- (2E)-3-(3,4-Dimethoxyphenyl)-N-[2-(furan-2-yl)-2-(thiophen-3-yl)ethyl]prop-2-enamide2097940-08-2C21H21NO4S
- 2-[3-({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)thiolan-3-yl]acetic acid2138247-30-8C21H21NO4S
- 3-(4-Methylphenyl)-4-(4-methylsulfonylphenyl)-1-propylpyrrole-2,5-dione3038592-01-4C21H21NO4S
- N-[(Furan-2-yl)methyl]-N-[(3-methoxyphenyl)methyl]-2-phenylethene-1-sulfonamide847748-20-3C21H21NO4S
- 3-({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)thiane-3-carboxylic acid1697205-76-7C21H21NO4S
- 2-({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)-2-(thiolan-3-yl)acetic acid1704028-48-7C21H21NO4S
- N-{2-[4-(Furan-2-yl)thiophen-2-yl]-2-hydroxyethyl}-1-(2-methoxyphenyl)cyclopropane-1-carboxamide2380068-75-5C21H21NO4S
- N-[2-[5-(Furan-2-yl)thiophen-2-yl]-2-hydroxyethyl]-1-(2-methoxyphenyl)cyclopropane-1-carboxamide2319718-08-4C21H21NO4S
- N-{2-Hydroxy-2-[5-(thiophen-2-yl)furan-2-yl]ethyl}-1-(2-methoxyphenyl)cyclopropane-1-carboxamide2320537-82-2C21H21NO4S
- 2-Quinolinecarboxylic acid,1-[3-(benzoylthio)-2-methyl-1-oxopropyl]-1,2,3,4-tetrahydro-75433-85-1C21H21NO4S
- 3-(((9H-Fluoren-9-yl)methoxy)carbonyl)-2-ethylthiazolidine-4-carboxylic acid1339917-80-4C21H21NO4S
- 3-(4-Methoxyphenyl)-4-(2-methyloxolan-3-yl)sulfonylquinoline1268468-54-7C21H21NO4S
- (3-Methoxyphenyl)methyl 3-(azetidin-3-ylmethoxy)-1-benzothiophene-2-carboxylate1443208-14-7C21H21NO4S
- (3-Hydroxyphenyl)methyl 3-piperidin-4-yloxy-1-benzothiophene-2-carboxylate1443208-20-5C21H21NO4S
Frequently asked questions
What is the molar mass of C21H21NO4S?
The molar mass of C21H21NO4S is 383.46 g/mol, calculated from standard atomic weights for 21 carbon atoms, 21 hydrogen atoms, 1 nitrogen atom, 4 oxygen atoms and 1 sulfur atom. The monoisotopic mass is 383.1191 Da.
How many compounds have the formula C21H21NO4S?
CompoundList lists 115 compounds with the molecular formula C21H21NO4S, including (R)-3-((9H-Fluoren-9-ylmethoxy)carbonyl)-2,2-dimethylthiazolidine-4-carboxylic Acid, 3-[N-(3,5-Dimethylphenyl)naphthalene-2-sulfonamido]propanoic acid, 9H-Thioxanthene-9-propanoic acid, alpha-amino-alpha-(cis-3-carboxycyclobutyl)-, (alphaS)-. 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 C21H21NO4S?
C21H21NO4S has a degree of unsaturation of 12. 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.