Molecular formula

C₁₈H₁₆N₄OS₃

3 compounds have this formula on CompoundList.

Molar mass: 400.53g/mol
Monoisotopic mass: 400.0486Da
Atoms: 42
Elements: 5
Rings plus double bonds: 13

The formula C18H16N4OS3 describes a molecule made of 18 carbon atoms, 16 hydrogen atoms, 4 nitrogen atoms, 1 oxygen atom and 3 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 × 1853.98%
12.011 × 18 = 216.198 g/mol
H Hydrogen × 164.03%
1.008 × 16 = 16.128 g/mol
N Nitrogen × 413.99%
14.007 × 4 = 56.028 g/mol
O Oxygen × 13.99%
15.999 × 1 = 15.999 g/mol
S Sulfur × 324.01%
32.06 × 3 = 96.180 g/mol

Look up another formula

Compounds with the formula C18H16N4OS3

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

Showing 1 to 3 of 3 compounds

N'-Benzylidene-2-((5-(benzylthio)-1,3,4-thiadiazol-2-yl)thio)acetohydrazide

CAS 315200-99-8C₁₈H₁₆N₄OS₃

$4-(Dimethylamino)-N-[11-(methylsulfanyl)-3,12-dithia-5,10-diazatricyclo[7.3.0.0^{2,6}]dodeca-1(9),2(6),4,7,10-pentaen-4-yl]benzamide chemical structure, C18H16N4OS3, CAS 1226436-28-7$

4-(Dimethylamino)-N-[11-(methylsulfanyl)-3,12-dithia-5,10-diazatricyclo[7.3.0.0^{2,6}]dodeca-1(9),2(6),4,7,10-pentaen-4-yl]benzamide

CAS 1226436-28-7C₁₈H₁₆N₄OS₃

3-(Dimethylamino)-N-(7-(methylthio)benzo[1,2-d:4,3-d']bis(thiazole)-2-yl)benzamide

CAS 1226442-35-8C₁₈H₁₆N₄OS₃

Frequently asked questions

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What is the molar mass of C18H16N4OS3?

The molar mass of C18H16N4OS3 is 400.53 g/mol, calculated from standard atomic weights for 18 carbon atoms, 16 hydrogen atoms, 4 nitrogen atoms, 1 oxygen atom and 3 sulfur atoms. The monoisotopic mass is 400.0486 Da.

How many compounds have the formula C18H16N4OS3?

CompoundList lists 3 compounds with the molecular formula C18H16N4OS3, including N'-Benzylidene-2-((5-(benzylthio)-1,3,4-thiadiazol-2-yl)thio)acetohydrazide, 4-(Dimethylamino)-N-[11-(methylsulfanyl)-3,12-dithia-5,10-diazatricyclo[7.3.0.0^{2,6}]dodeca-1(9),2(6),4,7,10-pentaen-4-yl]benzamide, 3-(Dimethylamino)-N-(7-(methylthio)benzo[1,2-d:4,3-d']bis(thiazole)-2-yl)benzamide. 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 C18H16N4OS3?

C18H16N4OS3 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.