Molecular formula

C₁₈H₂₀N₂OS₂

21 compounds have this formula on CompoundList.

Molar mass: 344.49g/mol
Monoisotopic mass: 344.1017Da
Atoms: 43
Elements: 5
Rings plus double bonds: 10

The formula C18H20N2OS2 describes a molecule made of 18 carbon atoms, 20 hydrogen atoms, 2 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 × 1862.76%
12.011 × 18 = 216.198 g/mol
H Hydrogen × 205.85%
1.008 × 20 = 20.160 g/mol
N Nitrogen × 28.13%
14.007 × 2 = 28.014 g/mol
O Oxygen × 14.64%
15.999 × 1 = 15.999 g/mol
S Sulfur × 218.61%
32.06 × 2 = 64.120 g/mol

Look up another formula

Compounds with the formula C18H20N2OS2

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

Showing 1 to 21 of 21 compounds

3-Ethyl-5,6-dimethyl-2-((2-methylbenzyl)thio)thieno(2,3-D)pyrimidin-4(3H)-one

CAS 618427-53-5C₁₈H₂₀N₂OS₂

3-Ethyl-5,6-dimethyl-2-((4-methylbenzyl)thio)thieno(2,3-D)pyrimidin-4(3H)-one

CAS 573670-03-8C₁₈H₂₀N₂OS₂

3-Butyl-2-[(2-methylphenyl)methylsulfanyl]thieno[3,2-d]pyrimidin-4-one

CAS 6766-45-6C₁₈H₂₀N₂OS₂

N-(6-tert-Butyl-3-cyano-4,5,6,7-tetrahydro-1-benzothiophen-2-yl)thiophene-2-carboxamide

CAS 303135-81-1C₁₈H₂₀N₂OS₂

1-(Oxolan-2-ylmethyl)-3-(2-phenylsulfanylphenyl)thiourea

CAS 525581-92-4C₁₈H₂₀N₂OS₂

3-[2-(2,4-Dimethylphenyl)imino-4-thiophen-2-yl-1,3-thiazol-3-yl]propan-1-ol

CAS 905780-89-4C₁₈H₂₀N₂OS₂

10H-Phenothiazine-10-carboxamide, N-(3-(ethylthio)propyl)-

CAS 53056-53-4C₁₈H₂₀N₂OS₂

10H-Phenothiazine-10-carboxamide, N-(2-((1-methylethyl)thio)ethyl)-

CAS 53056-54-5C₁₈H₂₀N₂OS₂

2-{[(4-tert-Butylphenyl)methyl]sulfanyl}-3-methyl-3H,4H-thieno[3,2-d]pyrimidin-4-one

CAS 1326874-60-5C₁₈H₂₀N₂OS₂

1-(7-Phenyl-1,4-thiazepan-4-yl)-2-(pyridin-4-ylthio)ethanone

CAS 1797191-17-3C₁₈H₂₀N₂OS₂

2-[(2,5-Dimethylbenzyl)sulfanyl]-3,5,6-trimethylthieno[2,3-d]pyrimidin-4(3H)-one

CAS 577698-44-3C₁₈H₂₀N₂OS₂

3-Ethyl-5,6-dimethyl-2-[(3-methylbenzyl)sulfanyl]thieno[2,3-d]pyrimidin-4(3H)-one

CAS 577959-82-1C₁₈H₂₀N₂OS₂

3,3-Dimethyl-1-({9-methyl-5H-thiochromeno[4,3-d]pyrimidin-2-yl}sulfanyl)butan-2-one

CAS 478246-91-2C₁₈H₂₀N₂OS₂

1-(2-((2,5-Dimethylbenzyl)thio)-4,5-dihydro-1H-imidazol-1-yl)-2-(thiophen-2-yl)ethanone

CAS 851804-65-4C₁₈H₂₀N₂OS₂

(Z)-3-(2-((2,3-Dimethylphenyl)imino)-4-(thiophen-2-yl)thiazol-3(2H)-yl)propan-1-ol

CAS 905781-28-4C₁₈H₂₀N₂OS₂

(Z)-3-(2-((2,6-Dimethylphenyl)imino)-4-(thiophen-2-yl)thiazol-3(2H)-yl)propan-1-ol

CAS 905781-50-2C₁₈H₂₀N₂OS₂

N-(3-Cyano-4,5-dimethylthiophen-2-yl)-4-(p-tolylthio)butanamide

CAS 941966-53-6C₁₈H₂₀N₂OS₂

3-Isobutyl-2-((2-methylbenzyl)thio)thieno[3,2-d]pyrimidin-4(3H)-one

CAS 1795441-59-6C₁₈H₂₀N₂OS₂

(2-(Methylthio)pyridin-3-yl)(7-phenyl-1,4-thiazepan-4-yl)methanone

CAS 1797562-30-1C₁₈H₂₀N₂OS₂

(5Z)-3-Cyclopentyl-5-(3,4-dihydroquinolin-1(2H)-ylmethylidene)-2-thioxo-1,3-thiazolidin-4-one

CAS 929836-18-0C₁₈H₂₀N₂OS₂

4-Thiazolidinone, 5-(3-phenyl-2-propenylidene)-3-(1-piperidinylmethyl)-2-thioxo-

CAS 86650-17-1C₁₈H₂₀N₂OS₂

Frequently asked questions

Still have a question?

The help centre explains buying, quotes and supplier badges step by step, or you can write to our team.

Help centre Contact us

What is the molar mass of C18H20N2OS2?

The molar mass of C18H20N2OS2 is 344.49 g/mol, calculated from standard atomic weights for 18 carbon atoms, 20 hydrogen atoms, 2 nitrogen atoms, 1 oxygen atom and 2 sulfur atoms. The monoisotopic mass is 344.1017 Da.

How many compounds have the formula C18H20N2OS2?

CompoundList lists 21 compounds with the molecular formula C18H20N2OS2, including 3-Ethyl-5,6-dimethyl-2-((2-methylbenzyl)thio)thieno(2,3-D)pyrimidin-4(3H)-one, 3-Ethyl-5,6-dimethyl-2-((4-methylbenzyl)thio)thieno(2,3-D)pyrimidin-4(3H)-one, 3-Butyl-2-[(2-methylphenyl)methylsulfanyl]thieno[3,2-d]pyrimidin-4-one. 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 C18H20N2OS2?

C18H20N2OS2 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.