CompoundList
Molecular formula

C21H19NO3S

60 compounds have this formula on CompoundList.

Molar mass
365.45g/mol
Monoisotopic mass
365.1086Da
Atoms
45
Elements
5
Rings plus double bonds
13

The formula C21H19NO3S describes a molecule made of 21 carbon atoms, 19 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 × 2169.02%
    12.011 × 21 = 252.231 g/mol
  • H Hydrogen × 195.24%
    1.008 × 19 = 19.152 g/mol
  • N Nitrogen × 13.83%
    14.007 × 1 = 14.007 g/mol
  • O Oxygen × 313.13%
    15.999 × 3 = 47.997 g/mol
  • S Sulfur × 18.77%
    32.06 × 1 = 32.060 g/mol
Look up another formula

Compounds with the formula C21H19NO3S

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

Showing 1 to 60 of 60 compounds

Atb-346 chemical structure, C21H19NO3S, CAS 1226895-20-0
Atb-346
CAS 1226895-20-0C21H19NO3S
4-(4-Methylphenyl)sulfonyl-3-phenyl-2,3-dihydro-1,4-benzoxazine chemical structure, C21H19NO3S, CAS 478048-63-4
4-(4-Methylphenyl)sulfonyl-3-phenyl-2,3-dihydro-1,4-benzoxazine
CAS 478048-63-4C21H19NO3S
Otenaproxesul chemical structure, C21H19NO3S, CAS 1000700-29-7
Otenaproxesul
CAS 1000700-29-7C21H19NO3S
Methyl 2-(benzoylamino)-5-benzyl-4-methyl-3-thiophenecarboxylate chemical structure, C21H19NO3S, CAS 308293-37-0
Methyl 2-(benzoylamino)-5-benzyl-4-methyl-3-thiophenecarboxylate
CAS 308293-37-0C21H19NO3S
2-(2,4-Dimethylphenyl)-2-oxoethyl (8-quinolinylthio)acetate chemical structure, C21H19NO3S, CAS 433235-79-1
2-(2,4-Dimethylphenyl)-2-oxoethyl (8-quinolinylthio)acetate
CAS 433235-79-1C21H19NO3S
2-(3,4-Dimethoxyphenyl)-4-(furan-2-yl)-2,3-dihydro-1,5-benzothiazepine chemical structure, C21H19NO3S, CAS 328104-58-1
2-(3,4-Dimethoxyphenyl)-4-(furan-2-yl)-2,3-dihydro-1,5-benzothiazepine
CAS 328104-58-1C21H19NO3S
Alkofanone chemical structure, C21H19NO3S, CAS 7527-94-8
Alkofanone
CAS 7527-94-8C21H19NO3S
Ethyl 2-[(4-methylbenzoyl)amino]-5-phenylthiophene-3-carboxylate chemical structure, C21H19NO3S, CAS 307536-23-8
Ethyl 2-[(4-methylbenzoyl)amino]-5-phenylthiophene-3-carboxylate
CAS 307536-23-8C21H19NO3S
N-(3-Acetylphenyl)-4'-methyl-[1,1'-biphenyl]-4-sulfonamide chemical structure, C21H19NO3S, CAS 670272-70-5
N-(3-Acetylphenyl)-4'-methyl-[1,1'-biphenyl]-4-sulfonamide
CAS 670272-70-5C21H19NO3S
N-(4-Acetylphenyl)-4'-methyl-[1,1'-biphenyl]-4-sulfonamide chemical structure, C21H19NO3S, CAS 670272-71-6
N-(4-Acetylphenyl)-4'-methyl-[1,1'-biphenyl]-4-sulfonamide
CAS 670272-71-6C21H19NO3S
(E)-3-(3,4-Dimethoxyphenyl)-1-(4-methyl-2-phenyl-1,3-thiazol-5-yl)prop-2-en-1-one chemical structure, C21H19NO3S, CAS 477847-73-7
(E)-3-(3,4-Dimethoxyphenyl)-1-(4-methyl-2-phenyl-1,3-thiazol-5-yl)prop-2-en-1-one
CAS 477847-73-7C21H19NO3S
N-[4-[1-(4-Methylphenyl)-1-oxopropan-2-yl]oxyphenyl]thiophene-2-carboxamide chemical structure, C21H19NO3S, CAS 701221-80-9
N-[4-[1-(4-Methylphenyl)-1-oxopropan-2-yl]oxyphenyl]thiophene-2-carboxamide
CAS 701221-80-9C21H19NO3S
Methyl 2-(2-(naphthalen-1-yl)acetamido)-5,6-dihydro-4H-cyclopenta[b]thiophene-3-carboxylate chemical structure, C21H19NO3S, CAS 477570-33-5
Methyl 2-(2-(naphthalen-1-yl)acetamido)-5,6-dihydro-4H-cyclopenta[b]thiophene-3-carboxylate
CAS 477570-33-5C21H19NO3S
Ethyl 5-phenyl-2-[(phenylacetyl)amino]thiophene-3-carboxylate chemical structure, C21H19NO3S, CAS 380646-04-8
Ethyl 5-phenyl-2-[(phenylacetyl)amino]thiophene-3-carboxylate
CAS 380646-04-8C21H19NO3S
Ethyl 2-(1-naphthoylamino)-5,6-dihydro-4H-cyclopenta[b]thiophene-3-carboxylate chemical structure, C21H19NO3S, CAS 313252-34-5
Ethyl 2-(1-naphthoylamino)-5,6-dihydro-4H-cyclopenta[b]thiophene-3-carboxylate
CAS 313252-34-5C21H19NO3S
Ethyl 2-benzamido-4-(p-tolyl)thiophene-3-carboxylate chemical structure, C21H19NO3S, CAS 461438-12-0
Ethyl 2-benzamido-4-(p-tolyl)thiophene-3-carboxylate
CAS 461438-12-0C21H19NO3S
Ethyl 2-benzamido-5-methyl-4-phenylthiophene-3-carboxylate chemical structure, C21H19NO3S, CAS 43088-50-2
Ethyl 2-benzamido-5-methyl-4-phenylthiophene-3-carboxylate
CAS 43088-50-2C21H19NO3S
3-Thiophenecarboxylic acid, 4-phenyl-2-((phenylacetyl)amino)-, ethyl ester chemical structure, C21H19NO3S, CAS 77261-18-8
3-Thiophenecarboxylic acid, 4-phenyl-2-((phenylacetyl)amino)-, ethyl ester
CAS 77261-18-8C21H19NO3S
Ethyl 2-[(4-methylbenzoyl)amino]-4-phenylthiophene-3-carboxylate chemical structure, C21H19NO3S, CAS 312528-09-9
Ethyl 2-[(4-methylbenzoyl)amino]-4-phenylthiophene-3-carboxylate
CAS 312528-09-9C21H19NO3S
4-Methylphenyl 4-[(4-methylphenyl)sulfanyl]-3-nitrobenzyl ether chemical structure, C21H19NO3S, CAS 477869-62-8
4-Methylphenyl 4-[(4-methylphenyl)sulfanyl]-3-nitrobenzyl ether
CAS 477869-62-8C21H19NO3S
Ethyl 2-acetamido-4-(4-phenylphenyl)thiophene-3-carboxylate chemical structure, C21H19NO3S, CAS 332017-73-9
Ethyl 2-acetamido-4-(4-phenylphenyl)thiophene-3-carboxylate
CAS 332017-73-9C21H19NO3S
Methyl 4,5-dimethyl-2-[(4-phenylbenzoyl)amino]thiophene-3-carboxylate chemical structure, C21H19NO3S, CAS 543685-02-5
Methyl 4,5-dimethyl-2-[(4-phenylbenzoyl)amino]thiophene-3-carboxylate
CAS 543685-02-5C21H19NO3S
4-(Benzenesulfonyl)-2,3-diphenyl-1,2-oxazolidine chemical structure, C21H19NO3S, CAS 87289-91-6
4-(Benzenesulfonyl)-2,3-diphenyl-1,2-oxazolidine
CAS 87289-91-6C21H19NO3S
Methyl 5-ethyl-2-[(4-phenylbenzoyl)amino]thiophene-3-carboxylate chemical structure, C21H19NO3S, CAS 445006-26-8
Methyl 5-ethyl-2-[(4-phenylbenzoyl)amino]thiophene-3-carboxylate
CAS 445006-26-8C21H19NO3S

Frequently asked questions

What is the molar mass of C21H19NO3S?

The molar mass of C21H19NO3S is 365.45 g/mol, calculated from standard atomic weights for 21 carbon atoms, 19 hydrogen atoms, 1 nitrogen atom, 3 oxygen atoms and 1 sulfur atom. The monoisotopic mass is 365.1086 Da.

How many compounds have the formula C21H19NO3S?

CompoundList lists 60 compounds with the molecular formula C21H19NO3S, including Atb-346, 4-(4-Methylphenyl)sulfonyl-3-phenyl-2,3-dihydro-1,4-benzoxazine, Otenaproxesul. 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 C21H19NO3S?

C21H19NO3S has a degree of unsaturation of 13. 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.