Molecular formula

C₂₀H₁₈N₄O₃S

221 compounds have this formula on CompoundList.

Molar mass: 394.45g/mol
Monoisotopic mass: 394.1100Da
Atoms: 46
Elements: 5
Rings plus double bonds: 14

The formula C20H18N4O3S describes a molecule made of 20 carbon atoms, 18 hydrogen atoms, 4 nitrogen atoms, 3 oxygen atoms 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 × 2060.90%
12.011 × 20 = 240.220 g/mol
H Hydrogen × 184.60%
1.008 × 18 = 18.144 g/mol
N Nitrogen × 414.20%
14.007 × 4 = 56.028 g/mol
O Oxygen × 312.17%
15.999 × 3 = 47.997 g/mol
S Sulfur × 18.13%
32.06 × 1 = 32.060 g/mol

Look up another formula

Compounds with the formula C20H18N4O3S

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

Showing 201 to 221 of 221 compounds

5-Methyl-3-[(4-methylphenyl)sulfonyl]-2-(phenylamino)pyrazolo[1,5-a]pyrimidin-7(4H)-one

CAS 1351821-48-1C₂₀H₁₈N₄O₃S

6-[(8-Methoxy-1,3,4,5-tetrahydro-2H-pyrido[4,3-b]indol-2-yl)carbonyl]-3-methyl-5H-[1,3]thiazolo[3,2-a]pyrimidin-5-one

CAS 1574364-82-1C₂₀H₁₈N₄O₃S

2-((1-(2-(Benzo[d]oxazol-2-ylthio)acetyl)piperidin-4-yl)oxy)nicotinonitrile

CAS 1797589-74-2C₂₀H₁₈N₄O₃S

N-(2-(5-Cyclopropyl-3-(thiophen-2-yl)-1H-pyrazol-1-yl)ethyl)-5-(furan-2-yl)isoxazole-3-carboxamide

CAS 1797244-99-5C₂₀H₁₈N₄O₃S

2-(3,5-Dimethylisoxazol-4-yl)-N-(2-((3-(thiophen-2-yl)-1,2,4-oxadiazol-5-yl)methyl)phenyl)acetamide

CAS 1705523-61-0C₂₀H₁₈N₄O₃S

(6-Methoxy-1H-indol-2-yl)(3-(5-(thiophen-2-yl)-1,2,4-oxadiazol-3-yl)pyrrolidin-1-yl)methanone

CAS 2034370-39-1C₂₀H₁₈N₄O₃S

4-[2-(Furan-2-yl)-4-methyl-6-methylsulfanylpyrimidine-5-carbonyl]-1-methyl-3H-quinoxalin-2-one

CAS 1825524-77-3C₂₀H₁₈N₄O₃S

4-((1-(2-Phenylthiazole-4-carbonyl)pyrrolidin-3-yl)oxy)picolinamide

CAS 2034274-19-4C₂₀H₁₈N₄O₃S

6-Amino-3-(2,5-dimethyl-3-thienyl)-4-(2-hydroxy-3-methoxyphenyl)-1,4-dihydropyrano[2,3-c]pyrazole-5-carbonitrile

CAS 664970-31-4C₂₀H₁₈N₄O₃S

(2Z)-2-[[4-(Dimethylamino)-3-nitrophenyl]methylidene]-6,7-dimethyl-[1,3]thiazolo[3,2-a]benzimidazol-1-one

CAS 357178-79-1C₂₀H₁₈N₄O₃S

N-(Cyanomethyl)-2-{[5-(4-ethoxyphenyl)-1,3,4-oxadiazol-2-yl]sulfanyl}-N-phenylacetamide

CAS 871104-90-4C₂₀H₁₈N₄O₃S

3-({[4-(Propanoylamino)phenyl]carbonyl}amino)-N-(1,3-thiazol-2-yl)benzamide

CAS 899286-29-4C₂₀H₁₈N₄O₃S

N-(3-Carbamoyl-4,5,6,7-tetrahydro-1-benzothiophen-2-yl)-4-oxo-1-phenyl-1,4-dihydropyridazine-3-carboxamide

CAS 919057-95-7C₂₀H₁₈N₄O₃S

Ethyl 2-{[5-(4-methoxyphenyl)-[1,2,4]triazolo[4,3-C]quinazolin-3-yl]sulfanyl}acetate

CAS 1031933-27-3C₂₀H₁₈N₄O₃S

2-[2-(3-Methoxyphenyl)-4-oxo-4H,5H-pyrazolo[1,5-a]pyrazin-5-yl]-N-[(thiophen-2-yl)methyl]acetamide

CAS 2321917-42-2C₂₀H₁₈N₄O₃S

1-Benzyl-5-oxo-N-(4-oxo-2-sulfanylidene-1,2,3,4-tetrahydroquinazolin-3-yl)pyrrolidine-3-carboxamide

CAS 2640815-00-3C₂₀H₁₈N₄O₃S

(3-Nitrophenyl)-[4-(4-phenylthiazol-2-yl)-piperazin-1-yl]methanone

CAS 606087-63-2C₂₀H₁₈N₄O₃S

(4-Nitrophenyl)[4-(4-phenyl-1,3-thiazol-2-yl)-1-piperazinyl]methanone

CAS 606087-64-3C₂₀H₁₈N₄O₃S

5-Thiazolecarboxylic acid, 2,4-dimethyl-, 2-oxo-2-[[4-(2-phenyldiazenyl)phenyl]amino]ethyl ester

CAS 1012225-66-9C₂₀H₁₈N₄O₃S

4-Methoxy-N-[3-methyl-1-(5-quinolinyl)-1H-pyrazol-5-yl]benzenesulfonamide

CAS 1452182-95-4C₂₀H₁₈N₄O₃S

4-(2-(2-(2-Phenylacetamido)thiazol-4-yl)acetamido)benzamide

CAS 1209732-48-8C₂₀H₁₈N₄O₃S

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 C20H18N4O3S?

The molar mass of C20H18N4O3S is 394.45 g/mol, calculated from standard atomic weights for 20 carbon atoms, 18 hydrogen atoms, 4 nitrogen atoms, 3 oxygen atoms and 1 sulfur atom. The monoisotopic mass is 394.1100 Da.

How many compounds have the formula C20H18N4O3S?

CompoundList lists 221 compounds with the molecular formula C20H18N4O3S, including 5-Methyl-3-[(4-methylphenyl)sulfonyl]-2-(phenylamino)pyrazolo[1,5-a]pyrimidin-7(4H)-one, 6-[(8-Methoxy-1,3,4,5-tetrahydro-2H-pyrido[4,3-b]indol-2-yl)carbonyl]-3-methyl-5H-[1,3]thiazolo[3,2-a]pyrimidin-5-one, 2-((1-(2-(Benzo[d]oxazol-2-ylthio)acetyl)piperidin-4-yl)oxy)nicotinonitrile. 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 C20H18N4O3S?

C20H18N4O3S has a degree of unsaturation of 14. 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.