CompoundList
Molecular formula

C21H21NO3S

58 compounds have this formula on CompoundList.

Molar mass
367.46g/mol
Monoisotopic mass
367.1242Da
Atoms
47
Elements
5
Rings plus double bonds
12

The formula C21H21NO3S describes a molecule made of 21 carbon atoms, 21 hydrogen atoms, 1 nitrogen atom, 3 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 × 2168.64%
    12.011 × 21 = 252.231 g/mol
  • H Hydrogen × 215.76%
    1.008 × 21 = 21.168 g/mol
  • N Nitrogen × 13.81%
    14.007 × 1 = 14.007 g/mol
  • O Oxygen × 313.06%
    15.999 × 3 = 47.997 g/mol
  • S Sulfur × 18.72%
    32.06 × 1 = 32.060 g/mol
Look up another formula

Compounds with the formula C21H21NO3S

Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.

Showing 1 to 58 of 58 compounds

N-[2-(4-Methoxyphenyl)ethyl]-5-[(phenylsulfanyl)methyl]furan-2-carboxamide chemical structure, C21H21NO3S, CAS 868154-43-2
N-[2-(4-Methoxyphenyl)ethyl]-5-[(phenylsulfanyl)methyl]furan-2-carboxamide
CAS 868154-43-2C21H21NO3S
1'-(2-(Methylthio)benzoyl)spiro[chroman-2,4'-piperidin]-4-one chemical structure, C21H21NO3S, CAS 877811-31-9
1'-(2-(Methylthio)benzoyl)spiro[chroman-2,4'-piperidin]-4-one
CAS 877811-31-9C21H21NO3S
2-(3,5-Dimethylphenoxy)-4-methyl-3-(methylsulfonyl)-6-phenylpyridine chemical structure, C21H21NO3S, CAS 477845-40-2
2-(3,5-Dimethylphenoxy)-4-methyl-3-(methylsulfonyl)-6-phenylpyridine
CAS 477845-40-2C21H21NO3S
2-(2,3-Dimethylphenoxy)-4-methyl-3-(methylsulfonyl)-6-phenylpyridine chemical structure, C21H21NO3S, CAS 477845-41-3
2-(2,3-Dimethylphenoxy)-4-methyl-3-(methylsulfonyl)-6-phenylpyridine
CAS 477845-41-3C21H21NO3S
1,2-Diphenylethylenesulfonic acid compound with 4-methylaniline (1:1) chemical structure, C21H21NO3S, CAS 30506-02-6
1,2-Diphenylethylenesulfonic acid compound with 4-methylaniline (1:1)
CAS 30506-02-6C21H21NO3S
N,N-Dibenzyl-4-methoxybenzenesulfonamide chemical structure, C21H21NO3S, CAS 331845-75-1
N,N-Dibenzyl-4-methoxybenzenesulfonamide
CAS 331845-75-1C21H21NO3S
1-Oxa-4-thia-8-azaspiro[4.5]decan-8-yl(9H-xanthen-9-yl)methanone chemical structure, C21H21NO3S, CAS 1351649-44-9
1-Oxa-4-thia-8-azaspiro[4.5]decan-8-yl(9H-xanthen-9-yl)methanone
CAS 1351649-44-9C21H21NO3S
N-(4-Ethoxyphenyl)-4'-methyl-[1,1'-biphenyl]-4-sulfonamide chemical structure, C21H21NO3S, CAS 667912-63-2
N-(4-Ethoxyphenyl)-4'-methyl-[1,1'-biphenyl]-4-sulfonamide
CAS 667912-63-2C21H21NO3S
4'-Methoxy-N-phenethyl-[1,1'-biphenyl]-4-sulfonamide chemical structure, C21H21NO3S, CAS 670271-72-4
4'-Methoxy-N-phenethyl-[1,1'-biphenyl]-4-sulfonamide
CAS 670271-72-4C21H21NO3S
1H-Isoindole-1,3(2H)-dione, 2-(4-((3,4-dihydro-2H-1-benzothiopyran-8-yl)oxy)butyl)- chemical structure, C21H21NO3S, CAS 153804-48-9
1H-Isoindole-1,3(2H)-dione, 2-(4-((3,4-dihydro-2H-1-benzothiopyran-8-yl)oxy)butyl)-
CAS 153804-48-9C21H21NO3S
2-[(4-Ethoxynaphthalen-1-yl)sulfonyl]-1,2,3,4-tetrahydroisoquinoline chemical structure, C21H21NO3S, CAS 694474-39-0
2-[(4-Ethoxynaphthalen-1-yl)sulfonyl]-1,2,3,4-tetrahydroisoquinoline
CAS 694474-39-0C21H21NO3S
Tazarotene sulfoxide chemical structure, C21H21NO3S, CAS 864841-56-5
Tazarotene sulfoxide
CAS 864841-56-5C21H21NO3S
1-Allyl-3-hydroxy-5-(4-isopropylphenyl)-4-(thiophene-2-carbonyl)-1H-pyrrol-2(5H)-one chemical structure, C21H21NO3S, CAS 868145-64-6
1-Allyl-3-hydroxy-5-(4-isopropylphenyl)-4-(thiophene-2-carbonyl)-1H-pyrrol-2(5H)-one
CAS 868145-64-6C21H21NO3S
N-(4-Methoxynaphthalen-1-yl)-3-((4-methoxyphenyl)thio)propanamide chemical structure, C21H21NO3S, CAS 941952-69-8
N-(4-Methoxynaphthalen-1-yl)-3-((4-methoxyphenyl)thio)propanamide
CAS 941952-69-8C21H21NO3S
N-(Diphenylmethyl)-4-ethoxybenzene-1-sulfonamide chemical structure, C21H21NO3S, CAS 496014-49-4
N-(Diphenylmethyl)-4-ethoxybenzene-1-sulfonamide
CAS 496014-49-4C21H21NO3S
Methyl 3-(4-(tert-butyl)benzamido)benzo[b]thiophene-2-carboxylate chemical structure, C21H21NO3S, CAS 441290-49-9
Methyl 3-(4-(tert-butyl)benzamido)benzo[b]thiophene-2-carboxylate
CAS 441290-49-9C21H21NO3S
Ethyl 4-(10-oxo-9,10-dihydro-4H-benzo[4,5]cyclohepta[1,2-b]thiophen-4-ylidene)piperidine-1-carboxylate chemical structure, C21H21NO3S, CAS 34580-19-3
Ethyl 4-(10-oxo-9,10-dihydro-4H-benzo[4,5]cyclohepta[1,2-b]thiophen-4-ylidene)piperidine-1-carboxylate
CAS 34580-19-3C21H21NO3S
N-((2-Hydroxy-1,2,3,4-tetrahydronaphthalen-2-yl)methyl)naphthalene-1-sulfonamide chemical structure, C21H21NO3S, CAS 1421482-12-3
N-((2-Hydroxy-1,2,3,4-tetrahydronaphthalen-2-yl)methyl)naphthalene-1-sulfonamide
CAS 1421482-12-3C21H21NO3S
Benzenesulfonamide,2-(hydroxydiphenylmethyl)-N,N-dimethyl- chemical structure, C21H21NO3S, CAS 22185-04-2
Benzenesulfonamide,2-(hydroxydiphenylmethyl)-N,N-dimethyl-
CAS 22185-04-2C21H21NO3S
Methyl (5Z)-1-(3,5-dimethylphenyl)-2-methyl-5-[(3-methylthiophen-2-yl)methylidene]-4-oxo-4,5-dihydro-1H-pyrrole-3-carboxylate chemical structure, C21H21NO3S, CAS 6143-16-4
Methyl (5Z)-1-(3,5-dimethylphenyl)-2-methyl-5-[(3-methylthiophen-2-yl)methylidene]-4-oxo-4,5-dihydro-1H-pyrrole-3-carboxylate
CAS 6143-16-4C21H21NO3S
4-Methyl-N-[2-(2-phenylphenoxy)ethyl]benzenesulfonamide chemical structure, C21H21NO3S, CAS 694447-20-6
4-Methyl-N-[2-(2-phenylphenoxy)ethyl]benzenesulfonamide
CAS 694447-20-6C21H21NO3S
1-[(4-Ethoxynaphthyl)sulfonyl]-2-methylindoline chemical structure, C21H21NO3S, CAS 701945-16-6
1-[(4-Ethoxynaphthyl)sulfonyl]-2-methylindoline
CAS 701945-16-6C21H21NO3S
3-{[2-(Phenylsulfanyl)phenyl]carbamoyl}bicyclo[2.2.1]heptane-2-carboxylic acid chemical structure, C21H21NO3S, CAS 1052554-24-1
3-{[2-(Phenylsulfanyl)phenyl]carbamoyl}bicyclo[2.2.1]heptane-2-carboxylic acid
CAS 1052554-24-1C21H21NO3S
2-(3,4-Dimethoxyphenyl)-N-(2-(thiophen-3-yl)benzyl)acetamide chemical structure, C21H21NO3S, CAS 1797871-19-2
2-(3,4-Dimethoxyphenyl)-N-(2-(thiophen-3-yl)benzyl)acetamide
CAS 1797871-19-2C21H21NO3S

Frequently asked questions

What is the molar mass of C21H21NO3S?

The molar mass of C21H21NO3S is 367.46 g/mol, calculated from standard atomic weights for 21 carbon atoms, 21 hydrogen atoms, 1 nitrogen atom, 3 oxygen atoms and 1 sulfur atom. The monoisotopic mass is 367.1242 Da.

How many compounds have the formula C21H21NO3S?

CompoundList lists 58 compounds with the molecular formula C21H21NO3S, including N-[2-(4-Methoxyphenyl)ethyl]-5-[(phenylsulfanyl)methyl]furan-2-carboxamide, 1'-(2-(Methylthio)benzoyl)spiro[chroman-2,4'-piperidin]-4-one, 2-(3,5-Dimethylphenoxy)-4-methyl-3-(methylsulfonyl)-6-phenylpyridine. 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 C21H21NO3S?

C21H21NO3S 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.