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Molecular formula

C21H19N5OS2

20 compounds have this formula on CompoundList.

Molar mass
421.54g/mol
Monoisotopic mass
421.1031Da
Atoms
48
Elements
5
Rings plus double bonds
15

The formula C21H19N5OS2 describes a molecule made of 21 carbon atoms, 19 hydrogen atoms, 5 nitrogen atoms, 1 oxygen atom and 2 sulfur atoms. 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 × 2159.84%
    12.011 × 21 = 252.231 g/mol
  • H Hydrogen × 194.54%
    1.008 × 19 = 19.152 g/mol
  • N Nitrogen × 516.61%
    14.007 × 5 = 70.035 g/mol
  • O Oxygen × 13.80%
    15.999 × 1 = 15.999 g/mol
  • S Sulfur × 215.21%
    32.06 × 2 = 64.120 g/mol
Look up another formula

Compounds with the formula C21H19N5OS2

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

Showing 1 to 20 of 20 compounds

ST-148 chemical structure, C21H19N5OS2, CAS 400863-77-6
ST-148
CAS 400863-77-6C21H19N5OS2
N-(4-Methyl-1,3-thiazol-2-yl)-2-[(5-methyl-4-phenyl-4H-1,2,4-triazol-3-yl)sulfanyl]-N-phenylacetamide chemical structure, C21H19N5OS2, CAS 876940-68-0
N-(4-Methyl-1,3-thiazol-2-yl)-2-[(5-methyl-4-phenyl-4H-1,2,4-triazol-3-yl)sulfanyl]-N-phenylacetamide
CAS 876940-68-0C21H19N5OS2
N-(4-Methylbenzyl)-2-(2-((2-thioxo-1,2-dihydroquinazolin-4-yl)amino)thiazol-4-yl)acetamide chemical structure, C21H19N5OS2, CAS 896699-33-5
N-(4-Methylbenzyl)-2-(2-((2-thioxo-1,2-dihydroquinazolin-4-yl)amino)thiazol-4-yl)acetamide
CAS 896699-33-5C21H19N5OS2
2-{[4-Methyl-5-(2-methylphenyl)-4H-1,2,4-triazol-3-yl]sulfanyl}-N-(4-phenyl-1,3-thiazol-2-yl)acetamide chemical structure, C21H19N5OS2, CAS 332936-84-2
2-{[4-Methyl-5-(2-methylphenyl)-4H-1,2,4-triazol-3-yl]sulfanyl}-N-(4-phenyl-1,3-thiazol-2-yl)acetamide
CAS 332936-84-2C21H19N5OS2
N-(4-Methyl-3-phenyl-3H-1,5-benzodiazepin-2-yl)-2-[(5-methyl-1,3,4-thiadiazol-2-yl)sulfanyl]acetamide chemical structure, C21H19N5OS2, CAS 577986-87-9
N-(4-Methyl-3-phenyl-3H-1,5-benzodiazepin-2-yl)-2-[(5-methyl-1,3,4-thiadiazol-2-yl)sulfanyl]acetamide
CAS 577986-87-9C21H19N5OS2
N-(1-(4-(Pyridin-3-yl)thiazol-2-yl)piperidin-4-yl)benzo[d]thiazole-6-carboxamide chemical structure, C21H19N5OS2, CAS 1795088-38-8
N-(1-(4-(Pyridin-3-yl)thiazol-2-yl)piperidin-4-yl)benzo[d]thiazole-6-carboxamide
CAS 1795088-38-8C21H19N5OS2
2-((4-(Phenethylamino)quinazolin-2-yl)thio)-N-(thiazol-2-yl)acetamide chemical structure, C21H19N5OS2, CAS 2034301-47-6
2-((4-(Phenethylamino)quinazolin-2-yl)thio)-N-(thiazol-2-yl)acetamide
CAS 2034301-47-6C21H19N5OS2
2-[(5-Benzyl-4-methyl-1,2,4-triazol-3-yl)sulfanyl]-N-(4-phenyl-1,3-thiazol-2-yl)acetamide chemical structure, C21H19N5OS2, CAS 332934-22-2
2-[(5-Benzyl-4-methyl-1,2,4-triazol-3-yl)sulfanyl]-N-(4-phenyl-1,3-thiazol-2-yl)acetamide
CAS 332934-22-2C21H19N5OS2
N-Phenethyl-2-(2-((2-thioxo-1,2-dihydroquinazolin-4-yl)amino)thiazol-4-yl)acetamide chemical structure, C21H19N5OS2, CAS 896699-38-0
N-Phenethyl-2-(2-((2-thioxo-1,2-dihydroquinazolin-4-yl)amino)thiazol-4-yl)acetamide
CAS 896699-38-0C21H19N5OS2
N-(5-Methyl-1,3,4-thiadiazol-2-yl)-2-((1-phenyl-5-(p-tolyl)-1H-imidazol-2-yl)thio)acetamide chemical structure, C21H19N5OS2, CAS 1207021-17-7
N-(5-Methyl-1,3,4-thiadiazol-2-yl)-2-((1-phenyl-5-(p-tolyl)-1H-imidazol-2-yl)thio)acetamide
CAS 1207021-17-7C21H19N5OS2
2-((1-Benzyl-5-phenyl-1H-imidazol-2-yl)thio)-N-(5-methyl-1,3,4-thiadiazol-2-yl)acetamide chemical structure, C21H19N5OS2, CAS 1207039-86-8
2-((1-Benzyl-5-phenyl-1H-imidazol-2-yl)thio)-N-(5-methyl-1,3,4-thiadiazol-2-yl)acetamide
CAS 1207039-86-8C21H19N5OS2
N-(5-Methyl-1,3,4-thiadiazol-2-yl)-2-((5-phenyl-1-(p-tolyl)-1H-imidazol-2-yl)thio)acetamide chemical structure, C21H19N5OS2, CAS 1206989-77-6
N-(5-Methyl-1,3,4-thiadiazol-2-yl)-2-((5-phenyl-1-(p-tolyl)-1H-imidazol-2-yl)thio)acetamide
CAS 1206989-77-6C21H19N5OS2
N-(5-Methyl-1,3,4-thiadiazol-2-yl)-2-((5-phenyl-1-(o-tolyl)-1H-imidazol-2-yl)thio)acetamide chemical structure, C21H19N5OS2, CAS 1206998-38-0
N-(5-Methyl-1,3,4-thiadiazol-2-yl)-2-((5-phenyl-1-(o-tolyl)-1H-imidazol-2-yl)thio)acetamide
CAS 1206998-38-0C21H19N5OS2
2-(Benzo[d]thiazol-2-ylthio)-1-(3-(4-phenyl-1H-1,2,3-triazol-1-yl)pyrrolidin-1-yl)ethanone chemical structure, C21H19N5OS2, CAS 2034354-49-7
2-(Benzo[d]thiazol-2-ylthio)-1-(3-(4-phenyl-1H-1,2,3-triazol-1-yl)pyrrolidin-1-yl)ethanone
CAS 2034354-49-7C21H19N5OS2
(5E)-3-(2-Phenylethyl)-2-thioxo-5-({[4-(1H-1,2,4-triazol-1-ylmethyl)phenyl]amino}methylidene)-1,3-thiazolidin-4-one chemical structure, C21H19N5OS2, CAS 929963-71-3
(5E)-3-(2-Phenylethyl)-2-thioxo-5-({[4-(1H-1,2,4-triazol-1-ylmethyl)phenyl]amino}methylidene)-1,3-thiazolidin-4-one
CAS 929963-71-3C21H19N5OS2
N-(1,3-Benzothiazol-2-yl)-2-[[5-(4-methylphenyl)-4-prop-2-enyl-1,2,4-triazol-3-yl]sulfanyl]acetamide chemical structure, C21H19N5OS2, CAS 701952-12-7
N-(1,3-Benzothiazol-2-yl)-2-[[5-(4-methylphenyl)-4-prop-2-enyl-1,2,4-triazol-3-yl]sulfanyl]acetamide
CAS 701952-12-7C21H19N5OS2
N-(1,3-Benzothiazol-2-yl)-2-[(5-benzyl-4-prop-2-enyl-1,2,4-triazol-3-yl)sulfanyl]acetamide chemical structure, C21H19N5OS2, CAS 708281-98-5
N-(1,3-Benzothiazol-2-yl)-2-[(5-benzyl-4-prop-2-enyl-1,2,4-triazol-3-yl)sulfanyl]acetamide
CAS 708281-98-5C21H19N5OS2
2-(1-Ethyl-2-methyl-1H-benzimidazol-5-yl)-6,7,8,9-tetrahydro-10H-[1]benzothieno[2,3-d][1,3,4]thiadiazolo[3,2-a]pyrimidin-10-one chemical structure, C21H19N5OS2, CAS 438031-07-3
2-(1-Ethyl-2-methyl-1H-benzimidazol-5-yl)-6,7,8,9-tetrahydro-10H-[1]benzothieno[2,3-d][1,3,4]thiadiazolo[3,2-a]pyrimidin-10-one
CAS 438031-07-3C21H19N5OS2
N-(1,3-Benzothiazol-2-yl)-2-[[5-(2-methylphenyl)-4-prop-2-enyl-1,2,4-triazol-3-yl]sulfanyl]acetamide chemical structure, C21H19N5OS2, CAS 708280-39-1
N-(1,3-Benzothiazol-2-yl)-2-[[5-(2-methylphenyl)-4-prop-2-enyl-1,2,4-triazol-3-yl]sulfanyl]acetamide
CAS 708280-39-1C21H19N5OS2
(5E)-3-(1-Phenylethyl)-2-thioxo-5-({[4-(1H-1,2,4-triazol-1-ylmethyl)phenyl]amino}methylidene)-1,3-thiazolidin-4-one chemical structure, C21H19N5OS2, CAS 929965-93-5
(5E)-3-(1-Phenylethyl)-2-thioxo-5-({[4-(1H-1,2,4-triazol-1-ylmethyl)phenyl]amino}methylidene)-1,3-thiazolidin-4-one
CAS 929965-93-5C21H19N5OS2

Frequently asked questions

What is the molar mass of C21H19N5OS2?

The molar mass of C21H19N5OS2 is 421.54 g/mol, calculated from standard atomic weights for 21 carbon atoms, 19 hydrogen atoms, 5 nitrogen atoms, 1 oxygen atom and 2 sulfur atoms. The monoisotopic mass is 421.1031 Da.

How many compounds have the formula C21H19N5OS2?

CompoundList lists 20 compounds with the molecular formula C21H19N5OS2, including ST-148, N-(4-Methyl-1,3-thiazol-2-yl)-2-[(5-methyl-4-phenyl-4H-1,2,4-triazol-3-yl)sulfanyl]-N-phenylacetamide, N-(4-Methylbenzyl)-2-(2-((2-thioxo-1,2-dihydroquinazolin-4-yl)amino)thiazol-4-yl)acetamide. 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 C21H19N5OS2?

C21H19N5OS2 has a degree of unsaturation of 15. 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.