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Molecular formula

C18H21N3OS2

24 compounds have this formula on CompoundList.

Molar mass
359.51g/mol
Monoisotopic mass
359.1126Da
Atoms
45
Elements
5
Rings plus double bonds
10

The formula C18H21N3OS2 describes a molecule made of 18 carbon atoms, 21 hydrogen atoms, 3 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 × 1860.14%
    12.011 × 18 = 216.198 g/mol
  • H Hydrogen × 215.89%
    1.008 × 21 = 21.168 g/mol
  • N Nitrogen × 311.69%
    14.007 × 3 = 42.021 g/mol
  • O Oxygen × 14.45%
    15.999 × 1 = 15.999 g/mol
  • S Sulfur × 217.84%
    32.06 × 2 = 64.120 g/mol
Look up another formula

Compounds with the formula C18H21N3OS2

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

Showing 1 to 24 of 24 compounds

1-{2-[3,5-Di(2-thienyl)-4,5-dihydro-1H-pyrazol-1-yl]-2-oxoethyl}piperidine chemical structure, C18H21N3OS2, CAS 791824-66-3
1-{2-[3,5-Di(2-thienyl)-4,5-dihydro-1H-pyrazol-1-yl]-2-oxoethyl}piperidine
CAS 791824-66-3C18H21N3OS2
2-[(5-Methyl-1,3,4-thiadiazol-2-yl)sulfanyl]-1-(2,2,4,6-tetramethylquinolin-1(2H)-yl)ethanone chemical structure, C18H21N3OS2, CAS 371139-34-3
2-[(5-Methyl-1,3,4-thiadiazol-2-yl)sulfanyl]-1-(2,2,4,6-tetramethylquinolin-1(2H)-yl)ethanone
CAS 371139-34-3C18H21N3OS2
N-(2-Methylphenyl)-2-[(6-methyl-4,5,6,7-tetrahydro-1-benzothien-3-yl)carbonyl]hydrazinecarbothioamide chemical structure, C18H21N3OS2, CAS 438235-33-7
N-(2-Methylphenyl)-2-[(6-methyl-4,5,6,7-tetrahydro-1-benzothien-3-yl)carbonyl]hydrazinecarbothioamide
CAS 438235-33-7C18H21N3OS2
N-(3-Methylphenyl)-2-[(6-methyl-4,5,6,7-tetrahydro-1-benzothien-3-yl)carbonyl]hydrazinecarbothioamide chemical structure, C18H21N3OS2, CAS 438236-86-3
N-(3-Methylphenyl)-2-[(6-methyl-4,5,6,7-tetrahydro-1-benzothien-3-yl)carbonyl]hydrazinecarbothioamide
CAS 438236-86-3C18H21N3OS2
N-(2,5-Dimethylphenyl)-2-(4,5,6,7-tetrahydro-1-benzothien-3-ylcarbonyl)hydrazinecarbothioamide chemical structure, C18H21N3OS2, CAS 438236-85-2
N-(2,5-Dimethylphenyl)-2-(4,5,6,7-tetrahydro-1-benzothien-3-ylcarbonyl)hydrazinecarbothioamide
CAS 438236-85-2C18H21N3OS2
2-(Piperidylmethyl)-4,6,7,8,9-pentahydrobenzo[b]thiopheno[2,3-d]1,3-thiazolino [3,2-a]pyrimidin-5-one chemical structure, C18H21N3OS2, CAS 54249-31-9
2-(Piperidylmethyl)-4,6,7,8,9-pentahydrobenzo[b]thiopheno[2,3-d]1,3-thiazolino [3,2-a]pyrimidin-5-one
CAS 54249-31-9C18H21N3OS2
(4-(4-(Dimethylamino)phenylcarbonothioyl)piperazin-1-yl)(thiophen-2-yl)methanone chemical structure, C18H21N3OS2, CAS 946378-72-9
(4-(4-(Dimethylamino)phenylcarbonothioyl)piperazin-1-yl)(thiophen-2-yl)methanone
CAS 946378-72-9C18H21N3OS2
N-[5-(1-Adamantyl)-1,3,4-thiadiazol-2-yl]-N-methylthiophene-2-carboxamide chemical structure, C18H21N3OS2, CAS 392320-98-8
N-[5-(1-Adamantyl)-1,3,4-thiadiazol-2-yl]-N-methylthiophene-2-carboxamide
CAS 392320-98-8C18H21N3OS2
2-[(Benzylsulfanyl)acetyl]-N-(1-phenylethyl)hydrazinecarbothioamide chemical structure, C18H21N3OS2, CAS 590358-71-7
2-[(Benzylsulfanyl)acetyl]-N-(1-phenylethyl)hydrazinecarbothioamide
CAS 590358-71-7C18H21N3OS2
1-(3,5-Di(thiophen-2-yl)-4,5-dihydro-1H-pyrazol-1-yl)-3-(pyrrolidin-1-yl)propan-1-one chemical structure, C18H21N3OS2, CAS 871307-97-0
1-(3,5-Di(thiophen-2-yl)-4,5-dihydro-1H-pyrazol-1-yl)-3-(pyrrolidin-1-yl)propan-1-one
CAS 871307-97-0C18H21N3OS2
4-(Butylsulfanyl)-8,8-dimethyl-7,10-dihydro-8H-pyrano[3'',4'':5',6']pyrido[3',2':4,5]thieno[3,2-d]pyrimidine chemical structure, C18H21N3OS2, CAS 381708-84-5
4-(Butylsulfanyl)-8,8-dimethyl-7,10-dihydro-8H-pyrano[3'',4'':5',6']pyrido[3',2':4,5]thieno[3,2-d]pyrimidine
CAS 381708-84-5C18H21N3OS2
2-[(5-Methyl-1,3,4-thiadiazol-2-yl)sulfanyl]-1-(2,2,4,7-tetramethylquinolin-1(2H)-yl)ethanone chemical structure, C18H21N3OS2, CAS 921155-14-8
2-[(5-Methyl-1,3,4-thiadiazol-2-yl)sulfanyl]-1-(2,2,4,7-tetramethylquinolin-1(2H)-yl)ethanone
CAS 921155-14-8C18H21N3OS2
1-[(2-Benzylsulfanylacetyl)amino]-3-(3,5-dimethylphenyl)thiourea chemical structure, C18H21N3OS2, CAS 590358-60-4
1-[(2-Benzylsulfanylacetyl)amino]-3-(3,5-dimethylphenyl)thiourea
CAS 590358-60-4C18H21N3OS2
1-[(2-Benzylsulfanylacetyl)amino]-3-(2-ethylphenyl)thiourea chemical structure, C18H21N3OS2, CAS 590358-64-8
1-[(2-Benzylsulfanylacetyl)amino]-3-(2-ethylphenyl)thiourea
CAS 590358-64-8C18H21N3OS2
1-[(2-Benzylsulfanylacetyl)amino]-3-(2,5-dimethylphenyl)thiourea chemical structure, C18H21N3OS2, CAS 590358-76-2
1-[(2-Benzylsulfanylacetyl)amino]-3-(2,5-dimethylphenyl)thiourea
CAS 590358-76-2C18H21N3OS2
1-(3,5-Dimethylphenyl)-3-(4,5,6,7-tetrahydro-1-benzothiophene-3-carbonylamino)thiourea chemical structure, C18H21N3OS2, CAS 588677-44-5
1-(3,5-Dimethylphenyl)-3-(4,5,6,7-tetrahydro-1-benzothiophene-3-carbonylamino)thiourea
CAS 588677-44-5C18H21N3OS2
N-[(1-Benzylpiperidin-4-yl)carbamothioyl]thiophene-2-carboxamide chemical structure, C18H21N3OS2, CAS 925093-91-0
N-[(1-Benzylpiperidin-4-yl)carbamothioyl]thiophene-2-carboxamide
CAS 925093-91-0C18H21N3OS2
2-((4,7-Dimethylbenzo[d]thiazol-2-yl)(methyl)amino)-N-(2-(thiophen-2-yl)ethyl)acetamide chemical structure, C18H21N3OS2, CAS 1396782-99-2
2-((4,7-Dimethylbenzo[d]thiazol-2-yl)(methyl)amino)-N-(2-(thiophen-2-yl)ethyl)acetamide
CAS 1396782-99-2C18H21N3OS2
1-(2-(Benzo[b]thiophen-3-yl)-2-(dimethylamino)ethyl)-3-(thiophen-2-ylmethyl)urea chemical structure, C18H21N3OS2, CAS 2034562-18-8
1-(2-(Benzo[b]thiophen-3-yl)-2-(dimethylamino)ethyl)-3-(thiophen-2-ylmethyl)urea
CAS 2034562-18-8C18H21N3OS2
N-Cyclopropyl-2-[(2-cyclopropyl-5,6,7,8-tetrahydro-[1]benzothiolo[2,3-d]pyrimidin-4-yl)sulfanyl]acetamide chemical structure, C18H21N3OS2, CAS 606113-64-8
N-Cyclopropyl-2-[(2-cyclopropyl-5,6,7,8-tetrahydro-[1]benzothiolo[2,3-d]pyrimidin-4-yl)sulfanyl]acetamide
CAS 606113-64-8C18H21N3OS2
2-{Bis[(thiophen-2-yl)methyl]amino}-N-(1-cyanocyclopentyl)acetamide chemical structure, C18H21N3OS2, CAS 930989-31-4
2-{Bis[(thiophen-2-yl)methyl]amino}-N-(1-cyanocyclopentyl)acetamide
CAS 930989-31-4C18H21N3OS2
2-(4H-3,1-Benzothiazin-2-ylsulfanyl)-N-(1-cyanocyclohexyl)-N-methylacetamide chemical structure, C18H21N3OS2, CAS 875420-83-0
2-(4H-3,1-Benzothiazin-2-ylsulfanyl)-N-(1-cyanocyclohexyl)-N-methylacetamide
CAS 875420-83-0C18H21N3OS2
2-(Benzylsulfanyl)-1-[5-(1,3-thiazol-2-yl)-octahydropyrrolo[3,4-c]pyrrol-2-yl]ethan-1-one chemical structure, C18H21N3OS2, CAS 2549021-12-5
2-(Benzylsulfanyl)-1-[5-(1,3-thiazol-2-yl)-octahydropyrrolo[3,4-c]pyrrol-2-yl]ethan-1-one
CAS 2549021-12-5C18H21N3OS2
4-Thiazolidinone, 3-((4-methyl-1-piperazinyl)methyl)-5-(3-phenyl-2-propenylidene)-2-thioxo- chemical structure, C18H21N3OS2, CAS 86650-18-2
4-Thiazolidinone, 3-((4-methyl-1-piperazinyl)methyl)-5-(3-phenyl-2-propenylidene)-2-thioxo-
CAS 86650-18-2C18H21N3OS2

Frequently asked questions

What is the molar mass of C18H21N3OS2?

The molar mass of C18H21N3OS2 is 359.51 g/mol, calculated from standard atomic weights for 18 carbon atoms, 21 hydrogen atoms, 3 nitrogen atoms, 1 oxygen atom and 2 sulfur atoms. The monoisotopic mass is 359.1126 Da.

How many compounds have the formula C18H21N3OS2?

CompoundList lists 24 compounds with the molecular formula C18H21N3OS2, including 1-{2-[3,5-Di(2-thienyl)-4,5-dihydro-1H-pyrazol-1-yl]-2-oxoethyl}piperidine, 2-[(5-Methyl-1,3,4-thiadiazol-2-yl)sulfanyl]-1-(2,2,4,6-tetramethylquinolin-1(2H)-yl)ethanone, N-(2-Methylphenyl)-2-[(6-methyl-4,5,6,7-tetrahydro-1-benzothien-3-yl)carbonyl]hydrazinecarbothioamide. 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 C18H21N3OS2?

C18H21N3OS2 has a degree of unsaturation of 10. 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.