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Molecular formula

C8H5N3OS

28 compounds have this formula on CompoundList.

Molar mass
191.21g/mol
Monoisotopic mass
191.0153Da
Atoms
18
Elements
5
Rings plus double bonds
8

The formula C8H5N3OS describes a molecule made of 8 carbon atoms, 5 hydrogen atoms, 3 nitrogen atoms, 1 oxygen atom 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 × 850.25%
    12.011 × 8 = 96.088 g/mol
  • H Hydrogen × 52.64%
    1.008 × 5 = 5.040 g/mol
  • N Nitrogen × 321.98%
    14.007 × 3 = 42.021 g/mol
  • O Oxygen × 18.37%
    15.999 × 1 = 15.999 g/mol
  • S Sulfur × 116.77%
    32.06 × 1 = 32.060 g/mol
Look up another formula

Compounds with the formula C8H5N3OS

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

Showing 1 to 28 of 28 compounds

2-(Pyrimidin-2-yl)-1,3-thiazole-4-carbaldehyde chemical structure, C8H5N3OS, CAS 1178019-16-3
2-(Pyrimidin-2-yl)-1,3-thiazole-4-carbaldehyde
CAS 1178019-16-3C8H5N3OS
1,2,4-Triazolo[3,4-b]benzoxazole-3-thiol chemical structure, C8H5N3OS, CAS 92382-89-3
1,2,4-Triazolo[3,4-b]benzoxazole-3-thiol
CAS 92382-89-3C8H5N3OS
Benzo[4,5]thiazolo[2,3-c][1,2,4]triazol-7-ol chemical structure, C8H5N3OS, CAS 1023814-45-0
Benzo[4,5]thiazolo[2,3-c][1,2,4]triazol-7-ol
CAS 1023814-45-0C8H5N3OS
2-Cyano-N-(3-cyano-2-thienyl)acetamide chemical structure, C8H5N3OS, CAS 73227-83-5
2-Cyano-N-(3-cyano-2-thienyl)acetamide
CAS 73227-83-5C8H5N3OS
2-(Pyrazin-2-yl)-1,3-thiazole-5-carbaldehyde chemical structure, C8H5N3OS, CAS 1250594-09-2
2-(Pyrazin-2-yl)-1,3-thiazole-5-carbaldehyde
CAS 1250594-09-2C8H5N3OS
Benzo[4,5]thiazolo[2,3-c][1,2,4]triazol-3(2H)-one chemical structure, C8H5N3OS, CAS 41814-44-2
Benzo[4,5]thiazolo[2,3-c][1,2,4]triazol-3(2H)-one
CAS 41814-44-2C8H5N3OS
2-(Pyrimidin-2-yl)-1,3-thiazole-5-carbaldehyde chemical structure, C8H5N3OS, CAS 1235474-02-8
2-(Pyrimidin-2-yl)-1,3-thiazole-5-carbaldehyde
CAS 1235474-02-8C8H5N3OS
2-(Pyrimidin-4-yl)-1,3-thiazole-5-carbaldehyde chemical structure, C8H5N3OS, CAS 1339714-85-0
2-(Pyrimidin-4-yl)-1,3-thiazole-5-carbaldehyde
CAS 1339714-85-0C8H5N3OS
[3-(3-Thienyl)-1,2,4-oxadiazol-5-yl]acetonitrile chemical structure, C8H5N3OS, CAS 1400541-77-6
[3-(3-Thienyl)-1,2,4-oxadiazol-5-yl]acetonitrile
CAS 1400541-77-6C8H5N3OS
Thieno[2',3':4,5]pyrrolo[1,2-d][1,2,4]triazin-8(7H)-one chemical structure, C8H5N3OS, CAS 903164-41-0
Thieno[2',3':4,5]pyrrolo[1,2-d][1,2,4]triazin-8(7H)-one
CAS 903164-41-0C8H5N3OS
2-(Furan-3-yl)imidazo[1,2-b][1,2,4]thiadiazole chemical structure, C8H5N3OS, CAS 57575-93-6
2-(Furan-3-yl)imidazo[1,2-b][1,2,4]thiadiazole
CAS 57575-93-6C8H5N3OS
Thiazolo(3',2':1,2)imidazo(4,5-b)pyridin-3(2H)-one chemical structure, C8H5N3OS, CAS 88482-79-5
Thiazolo(3',2':1,2)imidazo(4,5-b)pyridin-3(2H)-one
CAS 88482-79-5C8H5N3OS
Imidazo[1,2-A]thieno[3,2-E]pyrazin-5(4H)-one chemical structure, C8H5N3OS, CAS 615535-08-5
Imidazo[1,2-A]thieno[3,2-E]pyrazin-5(4H)-one
CAS 615535-08-5C8H5N3OS
2-(4-Oxothieno[3,2-d]pyrimidin-3(4H)-yl)acetonitrile chemical structure, C8H5N3OS, CAS 1223598-91-1
2-(4-Oxothieno[3,2-d]pyrimidin-3(4H)-yl)acetonitrile
CAS 1223598-91-1C8H5N3OS
5-(1,3,4-Thiadiazol-2-yl)nicotinaldehyde chemical structure, C8H5N3OS, CAS 1346687-64-6
5-(1,3,4-Thiadiazol-2-yl)nicotinaldehyde
CAS 1346687-64-6C8H5N3OS
2-[3-(Thiophen-2-yl)-1,2,4-oxadiazol-5-yl]acetonitrile chemical structure, C8H5N3OS, CAS 847761-45-9
2-[3-(Thiophen-2-yl)-1,2,4-oxadiazol-5-yl]acetonitrile
CAS 847761-45-9C8H5N3OS
4-Amino-6-oxo-6,7-dihydrothieno[2,3-b]pyridine-5-carbonitrile chemical structure, C8H5N3OS, CAS 73227-79-9
4-Amino-6-oxo-6,7-dihydrothieno[2,3-b]pyridine-5-carbonitrile
CAS 73227-79-9C8H5N3OS
5-(Pyridin-2-yl)-1,3,4-thiadiazole-2-carbaldehyde chemical structure, C8H5N3OS, CAS 1235474-08-4
5-(Pyridin-2-yl)-1,3,4-thiadiazole-2-carbaldehyde
CAS 1235474-08-4C8H5N3OS
2H-Benzimidazol-2-one, 1,3-dihydro-5-isothiocyanato- chemical structure, C8H5N3OS, CAS 471938-44-0
2H-Benzimidazol-2-one, 1,3-dihydro-5-isothiocyanato-
CAS 471938-44-0C8H5N3OS
2-Pyrazin-2-yl-1,3-thiazole-4-carbaldehyde chemical structure, C8H5N3OS, CAS 1183308-95-3
2-Pyrazin-2-yl-1,3-thiazole-4-carbaldehyde
CAS 1183308-95-3C8H5N3OS
5-(2-Amino-1,3-oxazol-5-yl)thiophene-3-carbonitrile chemical structure, C8H5N3OS, CAS 2228406-92-4
5-(2-Amino-1,3-oxazol-5-yl)thiophene-3-carbonitrile
CAS 2228406-92-4C8H5N3OS
5-(3-Amino-1,2-oxazol-5-yl)thiophene-2-carbonitrile chemical structure, C8H5N3OS, CAS 2229152-55-8
5-(3-Amino-1,2-oxazol-5-yl)thiophene-2-carbonitrile
CAS 2229152-55-8C8H5N3OS
5-(5-Amino-1,2-oxazol-3-yl)thiophene-3-carbonitrile chemical structure, C8H5N3OS, CAS 2228750-26-1
5-(5-Amino-1,2-oxazol-3-yl)thiophene-3-carbonitrile
CAS 2228750-26-1C8H5N3OS
5-(4-Amino-1,2-oxazol-5-yl)thiophene-2-carbonitrile chemical structure, C8H5N3OS, CAS 2229356-04-9
5-(4-Amino-1,2-oxazol-5-yl)thiophene-2-carbonitrile
CAS 2229356-04-9C8H5N3OS

Frequently asked questions

What is the molar mass of C8H5N3OS?

The molar mass of C8H5N3OS is 191.21 g/mol, calculated from standard atomic weights for 8 carbon atoms, 5 hydrogen atoms, 3 nitrogen atoms, 1 oxygen atom and 1 sulfur atom. The monoisotopic mass is 191.0153 Da.

How many compounds have the formula C8H5N3OS?

CompoundList lists 28 compounds with the molecular formula C8H5N3OS, including 2-(Pyrimidin-2-yl)-1,3-thiazole-4-carbaldehyde, 1,2,4-Triazolo[3,4-b]benzoxazole-3-thiol, Benzo[4,5]thiazolo[2,3-c][1,2,4]triazol-7-ol. 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 C8H5N3OS?

C8H5N3OS has a degree of unsaturation of 8. 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.