Molecular formula

C₅H₅N₃OS

32 compounds have this formula on CompoundList.

Molar mass: 155.18g/mol
Monoisotopic mass: 155.0153Da
Atoms: 15
Elements: 5
Rings plus double bonds: 5

The formula C5H5N3OS describes a molecule made of 5 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 × 538.70%
12.011 × 5 = 60.055 g/mol
H Hydrogen × 53.25%
1.008 × 5 = 5.040 g/mol
N Nitrogen × 327.08%
14.007 × 3 = 42.021 g/mol
O Oxygen × 110.31%
15.999 × 1 = 15.999 g/mol
S Sulfur × 120.66%
32.06 × 1 = 32.060 g/mol

Look up another formula

Compounds with the formula C5H5N3OS

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

Showing 1 to 32 of 32 compounds

5-Methyl-2H,3H-(1,2,4)triazolo(3,4-b)(1,3)thiazol-3-one

CAS 64040-59-1C₅H₅N₃OS

2-(5-Methoxy-1,3,4-thiadiazol-2-yl)acetonitrile

CAS 84389-19-5C₅H₅N₃OS

3-Methyl-5-aminoisoxazole-4-thiocyanate

CAS 140454-86-0C₅H₅N₃OS

3-Thioxo-3,4-dihydropyrazine-2-carboxamide

CAS 131295-39-1C₅H₅N₃OS

4-Amino-2-sulfanylpyrimidine-5-carbaldehyde

CAS 105161-35-1C₅H₅N₃OS

4-Formyl-1H-pyrazole-1-carbothioamide

CAS 132906-74-2C₅H₅N₃OS

2-Thioxo-1,2-dihydropyrimidine-4-carboxamide

CAS 155957-51-0C₅H₅N₃OS

3-Methylisothiazolo[4,3-d]isoxazol-4-amine

CAS 130783-71-0C₅H₅N₃OS

5-Amino-imidazo[2,1-b]thiazol-6-ol

CAS 863203-50-3C₅H₅N₃OS

6-Thioxo-1,6-dihydropyridazine-3-carboxamide

CAS 176658-63-2C₅H₅N₃OS

2-Amino-4H-pyrrolo[3,4-D]thiazol-6(5H)-one

CAS 1245647-94-2C₅H₅N₃OS

4-Thioxo-1,4-dihydropyrimidine-5-carboxamide

CAS 102818-21-3C₅H₅N₃OS

2-Amino-4-methoxythiazole-5-carbonitrile

CAS 174562-15-3C₅H₅N₃OS

5-(Prop-2-yn-1-yloxy)-1,3,4-thiadiazol-2-amine

CAS 1637367-04-4C₅H₅N₃OS

4-Isoxazolecarbonitrile, 5-amino-3-(methylthio)-

CAS 68571-72-2C₅H₅N₃OS

4-Amino-6-thioxo-1,6-dihydropyrimidine-5-carbaldehyde

CAS 155087-62-0C₅H₅N₃OS

2-Methylimidazo[1,2-d]-1,2,4-thiadiazole-3(2H)-one

CAS 1098092-76-2C₅H₅N₃OS

6-Thioxo-1,6-dihydropyrimidine-4-carboxamide

CAS 303024-25-1C₅H₅N₃OS

2-Ethyl-5-isocyanato-1,3,4-thiadiazole

CAS 785780-34-9C₅H₅N₃OS

3-Methyl-5-oxo-4,5-dihydro-1H-pyrazol-4-yl thiocyanate

CAS 88511-50-6C₅H₅N₃OS

3-Methylthiazolo[5,4-d]isoxazol-5-amine

CAS 1706464-22-3C₅H₅N₃OS

2-(Methylthio)-5-nitrosopyrimidine

CAS 856595-99-8C₅H₅N₃OS

N-(2-Thioxo-1(2H)-pyrimidinyl)formamide

CAS 78760-93-7C₅H₅N₃OS

5-Methyl-2-sulfanylideneimidazole-4-carboxamide

CAS 129015-07-2C₅H₅N₃OS

Frequently asked questions

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What is the molar mass of C5H5N3OS?

The molar mass of C5H5N3OS is 155.18 g/mol, calculated from standard atomic weights for 5 carbon atoms, 5 hydrogen atoms, 3 nitrogen atoms, 1 oxygen atom and 1 sulfur atom. The monoisotopic mass is 155.0153 Da.

How many compounds have the formula C5H5N3OS?

CompoundList lists 32 compounds with the molecular formula C5H5N3OS, including 5-Methyl-2H,3H-(1,2,4)triazolo(3,4-b)(1,3)thiazol-3-one, 2-(5-Methoxy-1,3,4-thiadiazol-2-yl)acetonitrile, 3-Methyl-5-aminoisoxazole-4-thiocyanate. 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 C5H5N3OS?

C5H5N3OS has a degree of unsaturation of 5. 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.