CompoundList
Molecular formula

C21H21N3O3S

290 compounds have this formula on CompoundList.

Molar mass
395.48g/mol
Monoisotopic mass
395.1304Da
Atoms
49
Elements
5
Rings plus double bonds
13

The formula C21H21N3O3S describes a molecule made of 21 carbon atoms, 21 hydrogen atoms, 3 nitrogen atoms, 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 × 2163.78%
    12.011 × 21 = 252.231 g/mol
  • H Hydrogen × 215.35%
    1.008 × 21 = 21.168 g/mol
  • N Nitrogen × 310.63%
    14.007 × 3 = 42.021 g/mol
  • O Oxygen × 312.14%
    15.999 × 3 = 47.997 g/mol
  • S Sulfur × 18.11%
    32.06 × 1 = 32.060 g/mol
Look up another formula

Compounds with the formula C21H21N3O3S

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

Showing 1 to 100 of 290 compounds

4-(((3-Allyl-4-oxo-3,4-dihydroquinazolin-2-yl)thio)methyl)-N-(2-hydroxyethyl)benzamide chemical structure, C21H21N3O3S, CAS 315695-50-2
4-(((3-Allyl-4-oxo-3,4-dihydroquinazolin-2-yl)thio)methyl)-N-(2-hydroxyethyl)benzamide
CAS 315695-50-2C21H21N3O3S
2-Ethyl-3-(2-furylmethyl)-8,8-dimethyl-7,10-dihydro-8H-pyrano[3'',4'':5',6']pyrido[3',2':4,5]thieno[3,2-d]pyrimidin-4(3H)-one chemical structure, C21H21N3O3S, CAS 488811-77-4
2-Ethyl-3-(2-furylmethyl)-8,8-dimethyl-7,10-dihydro-8H-pyrano[3'',4'':5',6']pyrido[3',2':4,5]thieno[3,2-d]pyrimidin-4(3H)-one
CAS 488811-77-4C21H21N3O3S
3-(1,5-Dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)-2-(4-methoxyphenyl)-1,3-thiazolidin-4-one chemical structure, C21H21N3O3S, CAS 125298-58-0
3-(1,5-Dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)-2-(4-methoxyphenyl)-1,3-thiazolidin-4-one
CAS 125298-58-0C21H21N3O3S
4-[Benzyl(methylsulfonyl)amino]-N-(pyridin-3-ylmethyl)benzamide chemical structure, C21H21N3O3S, CAS 310422-60-7
4-[Benzyl(methylsulfonyl)amino]-N-(pyridin-3-ylmethyl)benzamide
CAS 310422-60-7C21H21N3O3S
4-Oxo-4-[2-(4-phenyl-2-phenylimino-1,3-thiazol-3-yl)ethylamino]butanoic acid chemical structure, C21H21N3O3S, CAS 328106-53-2
4-Oxo-4-[2-(4-phenyl-2-phenylimino-1,3-thiazol-3-yl)ethylamino]butanoic acid
CAS 328106-53-2C21H21N3O3S
N-(1,3-Benzodioxol-5-ylmethyl)-2-[(4-cyano-1-methyl-5,6,7,8-tetrahydroisoquinolin-3-yl)sulfanyl]acetamide chemical structure, C21H21N3O3S, CAS 607696-76-4
N-(1,3-Benzodioxol-5-ylmethyl)-2-[(4-cyano-1-methyl-5,6,7,8-tetrahydroisoquinolin-3-yl)sulfanyl]acetamide
CAS 607696-76-4C21H21N3O3S
N-(2-(4-Methoxyphenyl)-5-oxido-4,6-dihydro-2H-thieno[3,4-c]pyrazol-3-yl)-2-(m-tolyl)acetamide chemical structure, C21H21N3O3S, CAS 958702-42-6
N-(2-(4-Methoxyphenyl)-5-oxido-4,6-dihydro-2H-thieno[3,4-c]pyrazol-3-yl)-2-(m-tolyl)acetamide
CAS 958702-42-6C21H21N3O3S
7-(3,4-Dihydro-1H-isoquinoline-2-carbonyl)-3-(2-methoxyethyl)-2-sulfanylidene-1H-quinazolin-4-one chemical structure, C21H21N3O3S, CAS 422273-56-1
7-(3,4-Dihydro-1H-isoquinoline-2-carbonyl)-3-(2-methoxyethyl)-2-sulfanylidene-1H-quinazolin-4-one
CAS 422273-56-1C21H21N3O3S
4-[Methyl-(4-methylphenyl)sulfonylamino]-N-(pyridin-3-ylmethyl)benzamide chemical structure, C21H21N3O3S, CAS 694505-76-5
4-[Methyl-(4-methylphenyl)sulfonylamino]-N-(pyridin-3-ylmethyl)benzamide
CAS 694505-76-5C21H21N3O3S
7-(1-Benzylpiperidin-4-yl)-6-sulfanylidene-5H-[1,3]dioxolo[4,5-g]quinazolin-8-one chemical structure, C21H21N3O3S, CAS 689228-47-5
7-(1-Benzylpiperidin-4-yl)-6-sulfanylidene-5H-[1,3]dioxolo[4,5-g]quinazolin-8-one
CAS 689228-47-5C21H21N3O3S
5-[(4-[1,1'-Biphenyl]-4-yl-1,6-dihydro-6-oxo-2-pyrimidinyl)thio]-N-hydroxypentanamide chemical structure, C21H21N3O3S, CAS 1776116-74-5
5-[(4-[1,1'-Biphenyl]-4-yl-1,6-dihydro-6-oxo-2-pyrimidinyl)thio]-N-hydroxypentanamide
CAS 1776116-74-5C21H21N3O3S
4-[(4-Methylbenzyl)(methylsulfonyl)amino]-N-(pyridin-3-yl)benzamide chemical structure, C21H21N3O3S, CAS 462081-35-2
4-[(4-Methylbenzyl)(methylsulfonyl)amino]-N-(pyridin-3-yl)benzamide
CAS 462081-35-2C21H21N3O3S
4-{[4-(Methylsulfonyl)-1-piperazinyl]carbonyl}-2-phenylquinoline chemical structure, C21H21N3O3S, CAS 713489-72-6
4-{[4-(Methylsulfonyl)-1-piperazinyl]carbonyl}-2-phenylquinoline
CAS 713489-72-6C21H21N3O3S
N-(2,6-Dimethylphenyl)-2-[(phenylsulfonyl)(2-pyridinyl)amino]acetamide chemical structure, C21H21N3O3S, CAS 337922-56-2
N-(2,6-Dimethylphenyl)-2-[(phenylsulfonyl)(2-pyridinyl)amino]acetamide
CAS 337922-56-2C21H21N3O3S
N-(2,3-Dihydro-1,4-benzodioxin-6-yl)-2-{[1-(3,5-dimethylphenyl)-1H-imidazol-2-yl]sulfanyl}acetamide chemical structure, C21H21N3O3S, CAS 851132-01-9
N-(2,3-Dihydro-1,4-benzodioxin-6-yl)-2-{[1-(3,5-dimethylphenyl)-1H-imidazol-2-yl]sulfanyl}acetamide
CAS 851132-01-9C21H21N3O3S
4-Methyl-3-[(4-methylphenyl)sulfamoyl]-N-(pyridin-3-ylmethyl)benzamide chemical structure, C21H21N3O3S, CAS 833443-66-6
4-Methyl-3-[(4-methylphenyl)sulfamoyl]-N-(pyridin-3-ylmethyl)benzamide
CAS 833443-66-6C21H21N3O3S
5-(4-Ethoxy-3-methoxyphenyl)-2-(4-methylphenyl)-5,6-dihydro-7H-[1,2,4]triazolo[5,1-b][1,3]thiazin-7-one chemical structure, C21H21N3O3S, CAS 433248-12-5
5-(4-Ethoxy-3-methoxyphenyl)-2-(4-methylphenyl)-5,6-dihydro-7H-[1,2,4]triazolo[5,1-b][1,3]thiazin-7-one
CAS 433248-12-5C21H21N3O3S
N-[[4-(Morpholin-4-ylmethyl)phenyl]carbamothioyl]-1-benzofuran-2-carboxamide chemical structure, C21H21N3O3S, CAS 638156-59-9
N-[[4-(Morpholin-4-ylmethyl)phenyl]carbamothioyl]-1-benzofuran-2-carboxamide
CAS 638156-59-9C21H21N3O3S
4-{6-[(4-Methylphenyl)sulfonyl]-2-phenyl-4-pyrimidinyl}morpholine chemical structure, C21H21N3O3S, CAS 339105-59-8
4-{6-[(4-Methylphenyl)sulfonyl]-2-phenyl-4-pyrimidinyl}morpholine
CAS 339105-59-8C21H21N3O3S
N-[4-(1-Piperidinylcarbonyl)phenyl]-8-quinolinesulfonamide chemical structure, C21H21N3O3S, CAS 694463-70-2
N-[4-(1-Piperidinylcarbonyl)phenyl]-8-quinolinesulfonamide
CAS 694463-70-2C21H21N3O3S
4-{Methyl[(4-methylphenyl)sulfonyl]amino}-N-(2-pyridinylmethyl)benzamide chemical structure, C21H21N3O3S, CAS 641999-39-5
4-{Methyl[(4-methylphenyl)sulfonyl]amino}-N-(2-pyridinylmethyl)benzamide
CAS 641999-39-5C21H21N3O3S
3-[4-(1,3-Benzoxazol-2-yl)piperidin-1-yl]-1-(thiophen-2-ylmethyl)pyrrolidine-2,5-dione chemical structure, C21H21N3O3S, CAS 727682-92-0
3-[4-(1,3-Benzoxazol-2-yl)piperidin-1-yl]-1-(thiophen-2-ylmethyl)pyrrolidine-2,5-dione
CAS 727682-92-0C21H21N3O3S
(Z)-N-(6-Acetamido-3-(2-methoxyethyl)benzo[d]thiazol-2(3H)-ylidene)cinnamamide chemical structure, C21H21N3O3S, CAS 1164496-23-4
(Z)-N-(6-Acetamido-3-(2-methoxyethyl)benzo[d]thiazol-2(3H)-ylidene)cinnamamide
CAS 1164496-23-4C21H21N3O3S
[2-(2-Methylsulfanylanilino)-2-oxoethyl] 4-(3,5-dimethylpyrazol-1-yl)benzoate chemical structure, C21H21N3O3S, CAS 956184-45-5
[2-(2-Methylsulfanylanilino)-2-oxoethyl] 4-(3,5-dimethylpyrazol-1-yl)benzoate
CAS 956184-45-5C21H21N3O3S

Frequently asked questions

What is the molar mass of C21H21N3O3S?

The molar mass of C21H21N3O3S is 395.48 g/mol, calculated from standard atomic weights for 21 carbon atoms, 21 hydrogen atoms, 3 nitrogen atoms, 3 oxygen atoms and 1 sulfur atom. The monoisotopic mass is 395.1304 Da.

How many compounds have the formula C21H21N3O3S?

CompoundList lists 290 compounds with the molecular formula C21H21N3O3S, including 4-(((3-Allyl-4-oxo-3,4-dihydroquinazolin-2-yl)thio)methyl)-N-(2-hydroxyethyl)benzamide, 2-Ethyl-3-(2-furylmethyl)-8,8-dimethyl-7,10-dihydro-8H-pyrano[3'',4'':5',6']pyrido[3',2':4,5]thieno[3,2-d]pyrimidin-4(3H)-one, 3-(1,5-Dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)-2-(4-methoxyphenyl)-1,3-thiazolidin-4-one. 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 C21H21N3O3S?

C21H21N3O3S 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.