Molecular formula

C₂₀H₁₉NOS

21 compounds have this formula on CompoundList.

Molar mass: 321.44g/mol
Monoisotopic mass: 321.1187Da
Atoms: 42
Elements: 5
Rings plus double bonds: 12

The formula C20H19NOS describes a molecule made of 20 carbon atoms, 19 hydrogen atoms, 1 nitrogen atom, 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 × 2074.73%
12.011 × 20 = 240.220 g/mol
H Hydrogen × 195.96%
1.008 × 19 = 19.152 g/mol
N Nitrogen × 14.36%
14.007 × 1 = 14.007 g/mol
O Oxygen × 14.98%
15.999 × 1 = 15.999 g/mol
S Sulfur × 19.97%
32.06 × 1 = 32.060 g/mol

Look up another formula

Compounds with the formula C20H19NOS

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

Showing 1 to 21 of 21 compounds

N-(3,3-Diphenylpropyl)thiophene-2-carboxamide

CAS 328280-19-9C₂₀H₁₉NOS

2,2-Diphenyl-N-(2-thiophen-2-ylethyl)acetamide

CAS 698984-47-3C₂₀H₁₉NOS

1-(Furan-2-ylmethyl)-2-phenyl-5,6,7,8-tetrahydroquinoline-4(1H)-thione

CAS 865591-13-5C₂₀H₁₉NOS

2-[(2-Methylnaphthalen-1-yl)methylsulfanyl]-N-phenylacetamide

CAS 339230-74-9C₂₀H₁₉NOS

3-[(4-tert-Butylphenyl)methoxy]-1-benzothiophene-2-carbonitrile

CAS 320422-43-3C₂₀H₁₉NOS

3-Methyl-11-phenyl-3,4,5,11-tetrahydrodibenzo[b,e][1,4]thiazepin-1(2H)-one

CAS 838610-43-8C₂₀H₁₉NOS

6-Methyl-N-(naphthalen-2-yl)-4,5,6,7-tetrahydro-1-benzothiophene-3-carboxamide

CAS 848204-50-2C₂₀H₁₉NOS

3-(Methylsulfanyl)-N-(3-phenoxybenzyl)aniline

CAS 415970-88-6C₂₀H₁₉NOS

Naphthalen-1-yl(4-(thiophen-3-yl)piperidin-1-yl)methanone

CAS 1396768-12-9C₂₀H₁₉NOS

3-[(4-Methylphenyl)sulfanyl]-N-(naphthalen-1-yl)propanamide

CAS 188849-53-8C₂₀H₁₉NOS

4-(3,4-Diphenylthiophen-2-yl)morpholine

CAS 5892-65-9C₂₀H₁₉NOS

N-Cyclopropyl-N-(2-(thiophen-2-yl)ethyl)-1-naphthamide

CAS 1396800-33-1C₂₀H₁₉NOS

N,N-Dibenzyl-2-(thiophen-2-yl)acetamide

CAS 639812-29-6C₂₀H₁₉NOS

2-[(3-Methyl-2-butenyl)sulfanyl]-1-phenyl-1H-indole-3-carbaldehyde

CAS 432491-25-3C₂₀H₁₉NOS

2-[1,1'-Biphenyl]-4-yl-N-[2-(2-thienyl)ethyl]acetamide

CAS 1111491-98-5C₂₀H₁₉NOS

2-(Naphthalen-1-yl)-N-{[1-(thiophen-2-yl)cyclopropyl]methyl}acetamide

CAS 1207029-12-6C₂₀H₁₉NOS

N-(2-(Thiophen-3-yl)benzyl)-2-(m-tolyl)acetamide

CAS 1797713-19-9C₂₀H₁₉NOS

3-[[(4-Methoxyphenyl)methyl]thio]-4-aminobiphenyl

CAS 1466429-93-5C₂₀H₁₉NOS

Ethanone, 1-(5-(4-methylphenyl)-2-thienyl)-, O-(phenylmethyl)oxime

CAS 93599-10-1C₂₀H₁₉NOS

1-(3-Ethyl-4,5-diphenyl-2(3H)-thiazolylidene)-2-propanone

CAS 299965-86-9C₂₀H₁₉NOS

2-(Naphthalen-1-yl)-N-{[1-(thiophen-3-yl)cyclopropyl]methyl}acetamide

CAS 2549023-69-8C₂₀H₁₉NOS

Frequently asked questions

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What is the molar mass of C20H19NOS?

The molar mass of C20H19NOS is 321.44 g/mol, calculated from standard atomic weights for 20 carbon atoms, 19 hydrogen atoms, 1 nitrogen atom, 1 oxygen atom and 1 sulfur atom. The monoisotopic mass is 321.1187 Da.

How many compounds have the formula C20H19NOS?

CompoundList lists 21 compounds with the molecular formula C20H19NOS, including N-(3,3-Diphenylpropyl)thiophene-2-carboxamide, 2,2-Diphenyl-N-(2-thiophen-2-ylethyl)acetamide, 1-(Furan-2-ylmethyl)-2-phenyl-5,6,7,8-tetrahydroquinoline-4(1H)-thione. 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 C20H19NOS?

C20H19NOS has a degree of unsaturation of 12. 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.