C21H21NO5S
46 compounds have this formula on CompoundList.
- Molar mass
- 399.46g/mol
- Monoisotopic mass
- 399.1140Da
- Atoms
- 49
- Elements
- 5
- Rings plus double bonds
- 12
The formula C21H21NO5S describes a molecule made of 21 carbon atoms, 21 hydrogen atoms, 1 nitrogen atom, 5 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 × 2163.14%12.011 × 21 = 252.231 g/mol
- H Hydrogen × 215.30%1.008 × 21 = 21.168 g/mol
- N Nitrogen × 13.51%14.007 × 1 = 14.007 g/mol
- O Oxygen × 520.03%15.999 × 5 = 79.995 g/mol
- S Sulfur × 18.03%32.06 × 1 = 32.060 g/mol
Compounds with the formula C21H21NO5S
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 46 of 46 compounds
![6-({[3-(Methoxycarbonyl)-4-(4-methylphenyl)-2-thienyl]amino}carbonyl)-3-cyclohexene-1-carboxylic acid chemical structure, C21H21NO5S, CAS 515150-03-5](/s/PWMJTQUXNMHNMJ-UHFFFAOYSA-N.svg)
![Methyl 2-{[(3-methyl-1-oxo-3,4-dihydro-1H-isochromen-3-yl)carbonyl]amino}-4,5,6,7-tetrahydro-1-benzothiophene-3-carboxylate chemical structure, C21H21NO5S, CAS 835896-32-7](/s/OERFMVUVFCFNPP-UHFFFAOYSA-N.svg)
![1-(2,5-Dimethoxyphenyl)-2-methyl-5-[4-(methylsulfonyl)phenyl]-1H-pyrrole-3-carbaldehyde chemical structure, C21H21NO5S, CAS 478032-27-8](/s/IBBLJZKNUODJQI-UHFFFAOYSA-N.svg)
![1'-(4-Acetylbenzenesulfonyl)-3,4-dihydrospiro[1-benzopyran-2,4'-piperidine]-4-one chemical structure, C21H21NO5S, CAS 877811-47-7](/s/QFDAJPSFBCNTKA-UHFFFAOYSA-N.svg)
![Ethyl 2-(1-oxoisochroman-3-carboxamido)-4,5,6,7-tetrahydrobenzo[b]thiophene-3-carboxylate chemical structure, C21H21NO5S, CAS 499116-02-8](/s/UGIUUZDDVXKLCU-UHFFFAOYSA-N.svg)
![N-(1,1-Dioxido-2,3-dihydrothiophen-3-yl)-N-(4-isopropylphenyl)benzo[d][1,3]dioxole-5-carboxamide chemical structure, C21H21NO5S, CAS 863444-27-3](/s/IWXWCCSZPWUACD-UHFFFAOYSA-N.svg)
![Ethyl 2-[(1-benzofuran-2-ylcarbonyl)amino]-5,5-dimethyl-4,7-dihydro-5H-thieno[2,3-c]pyran-3-carboxylate chemical structure, C21H21NO5S, CAS 91403-84-8](/s/ZAKMYPNPDZHEDM-UHFFFAOYSA-N.svg)
![N-Acetyl-4-methoxy-N-(6,7,8,9-tetrahydrodibenzo[b,d]furan-2-yl)benzenesulfonamide chemical structure, C21H21NO5S, CAS 518304-36-4](/s/OQVBJOHVUVTGLH-UHFFFAOYSA-N.svg)
![1-(3-(1,1-Dioxidotetrahydrothiophen-3-yl)-6-methyl-3,4-dihydro-2H-furo[3',2':3,4]naphtho[2,1-e][1,3]oxazin-5-yl)ethanone chemical structure, C21H21NO5S, CAS 438486-71-6](/s/ZFZHVQBIAKTPFA-UHFFFAOYSA-N.svg)
![Ethyl 2-{[(7-methyl-1-oxo-3,4-dihydro-1H-isochromen-3-yl)carbonyl]amino}-5,6-dihydro-4H-cyclopenta[b]thiophene-3-carboxylate chemical structure, C21H21NO5S, CAS 874466-51-0](/s/UVVOMQRXXHWVHW-UHFFFAOYSA-N.svg)
![Propan-2-yl 4-ethyl-5-methyl-2-[(2-oxochromene-3-carbonyl)amino]thiophene-3-carboxylate chemical structure, C21H21NO5S, CAS 560093-19-8](/s/VQETVNZHBOPWOF-UHFFFAOYSA-N.svg)
![Propyl 4-(4-methoxyphenyl)-2-[(2-methylfuran-3-carbonyl)amino]thiophene-3-carboxylate chemical structure, C21H21NO5S, CAS 444939-87-1](/s/FZQKKDHZQKEAMZ-UHFFFAOYSA-N.svg)
![Ethyl 4-{[(4-ethoxynaphthyl)sulfonyl]amino}benzoate chemical structure, C21H21NO5S, CAS 873673-94-0](/s/ANTQKAGCCSYLHN-UHFFFAOYSA-N.svg)
![N-[2-(Furan-2-yl)-2-(4-methoxybenzenesulfonyl)ethyl]-4-methylbenzamide chemical structure, C21H21NO5S, CAS 946265-09-4](/s/KLWFTSYONWGFPK-UHFFFAOYSA-N.svg)
![Benzo[d][1,3]dioxol-5-yl((1R,5S)-3-(phenylsulfonyl)-8-azabicyclo[3.2.1]octan-8-yl)methanone chemical structure, C21H21NO5S, CAS 1448064-28-5](/s/GUQRJTBBDCMUFP-UHFFFAOYSA-N.svg)
- 3-Benzoyl-2-methyl-1,1-dioxido-2H-1,2-benzothiazin-4-yl pivalate585558-84-5C21H21NO5S
- 4,7-Dimethyl-2-oxo-3-(2-oxo-2-{[2-(3-thienyl)ethyl]amino}ethyl)-2H-chromen-5-yl acetate921085-21-4C21H21NO5S
- N-[2-(Furan-2-yl)-2-(4-methoxybenzenesulfonyl)ethyl]-2-methylbenzamide946349-01-5C21H21NO5S
- 4-{[5-(4-Isopropylphenyl)-4-methyl-1,1-dioxido-3-oxoisothiazol-2(3H)-yl]methyl}benzoic acid1031650-94-8C21H21NO5S
- 1'-(3-(Phenylsulfonyl)propanoyl)-3H-spiro[isobenzofuran-1,4'-piperidin]-3-one1797890-19-7C21H21NO5S
- 2,4-Thiazolidinedione, 5-((4-((3,4-dihydro-6-hydroxy-2-methyl-2H-1-benzopyran-2-yl)methoxy)phenyl)methyl)-137786-86-8C21H21NO5S
- Benzyl (2-(furan-2-yl)-2-tosylethyl)carbamate877816-09-6C21H21NO5S
- N-(3,4,5-Trimethoxyphenyl)biphenyl-3-sulfonamide1311195-74-0C21H21NO5S
- (E)-N-((5-(Thiophen-3-yl)furan-2-yl)methyl)-3-(3,4,5-trimethoxyphenyl)acrylamide2035036-24-7C21H21NO5S
- (E)-3-(Benzo[d][1,3]dioxol-5-yl)-1-(1,1-dioxido-7-phenyl-1,4-thiazepan-4-yl)prop-2-en-1-one2035023-36-8C21H21NO5S
- 7-Methoxy-5,12-diphenyl-3,8,11,13-tetraoxa-5-azatricyclo[7.4.0.02,6]tridecane-4-thione6937-67-3C21H21NO5S
- Ethyl 5-acetyl-2-{[(3,6-dimethyl-1-benzofuran-2-yl)carbonyl]amino}-4-methylthiophene-3-carboxylate823827-46-9C21H21NO5S
- 2-Quinolinecarboxylic acid,1-[3-(benzoylthio)-1-oxopropyl]-1,2,3,4-tetrahydro-6-methoxy-75434-01-4C21H21NO5S
- 3-(Benzenesulfonyl)-N-{2-[4-(furan-2-yl)phenyl]-2-hydroxyethyl}propanamide2097897-80-6C21H21NO5S
- Spiro(11H-dibenz(b,e)(1,4)oxathiepin-11,4'-piperidine), (Z)-2-butenedioate (1:1)98796-34-0C21H21NO5S
- 3-Hydroxy-1-(2-methoxyethyl)-4-[4-(prop-2-en-1-yloxy)benzoyl]-5-(thiophen-2-yl)-2,5-dihydro-1H-pyrrol-2-one879952-33-7C21H21NO5S
- Methyl 4-((2-ethylquinolin-4-yl)((methylsulfonyl)oxy)methyl)benzoate461665-87-2C21H21NO5S
- Methyl 4-((2,3-dimethylquinolin-4-yl)((methylsulfonyl)oxy)methyl)benzoate461666-17-1C21H21NO5S
- (2S)-4-(Acetylsulfanyl)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)butanoic acid2171181-74-9C21H21NO5S
- 4-{[(9H-Fluoren-9-yl)methoxy]carbonyl}-5-methyl-1-oxo-1lambda4-thiomorpholine-3-carboxylic acid2580179-98-0C21H21NO5S
- Methyl 4-((2,6-dimethylquinolin-4-yl)((methylsulfonyl)oxy)methyl)benzoate461666-31-9C21H21NO5S
- 4-[Hydroxy-(4-prop-2-enoxyphenyl)methylidene]-1-(2-methoxyethyl)-5-thiophen-2-ylpyrrolidine-2,3-dioneC21H21NO5S
Frequently asked questions
What is the molar mass of C21H21NO5S?
The molar mass of C21H21NO5S is 399.46 g/mol, calculated from standard atomic weights for 21 carbon atoms, 21 hydrogen atoms, 1 nitrogen atom, 5 oxygen atoms and 1 sulfur atom. The monoisotopic mass is 399.1140 Da.
How many compounds have the formula C21H21NO5S?
CompoundList lists 46 compounds with the molecular formula C21H21NO5S, including 6-({[3-(Methoxycarbonyl)-4-(4-methylphenyl)-2-thienyl]amino}carbonyl)-3-cyclohexene-1-carboxylic acid, Dimethyl 1-(4-methoxybenzyl)-4-(thiophen-3-yl)-1,4-dihydropyridine-3,5-dicarboxylate, Methyl 2-{[(3-methyl-1-oxo-3,4-dihydro-1H-isochromen-3-yl)carbonyl]amino}-4,5,6,7-tetrahydro-1-benzothiophene-3-carboxylate. 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 C21H21NO5S?
C21H21NO5S 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.