Molecular formula

C₂₀H₁₅NO₃S

22 compounds have this formula on CompoundList.

Molar mass: 349.40g/mol
Monoisotopic mass: 349.0773Da
Atoms: 40
Elements: 5
Rings plus double bonds: 14

The formula C20H15NO3S describes a molecule made of 20 carbon atoms, 15 hydrogen atoms, 1 nitrogen atom, 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 × 2068.75%
12.011 × 20 = 240.220 g/mol
H Hydrogen × 154.33%
1.008 × 15 = 15.120 g/mol
N Nitrogen × 14.01%
14.007 × 1 = 14.007 g/mol
O Oxygen × 313.74%
15.999 × 3 = 47.997 g/mol
S Sulfur × 19.18%
32.06 × 1 = 32.060 g/mol

Look up another formula

Compounds with the formula C20H15NO3S

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

Showing 1 to 22 of 22 compounds

2-(Para-toluenesulfonamido)-9-fluorenone

CAS 7507-52-0C₂₀H₁₅NO₃S

4-Phenyl-2-[[(E)-3-phenylprop-2-enoyl]amino]thiophene-3-carboxylic acid

CAS 474489-20-8C₂₀H₁₅NO₃S

2-(1,3-Benzodioxol-5-yl)-4-(furan-2-yl)-2,3-dihydro-1,5-benzothiazepine

CAS 325474-30-4C₂₀H₁₅NO₃S

3-Methyl-N-(9-oxo-9H-fluoren-1-yl)benzenesulfonamide

CAS 866155-08-0C₂₀H₁₅NO₃S

Ethyl 1-(2-thienylcarbonyl)pyrrolo(1,2-A)quinoline-3-carboxylate

CAS 302913-61-7C₂₀H₁₅NO₃S

3-(1,3-Benzothiazol-2-yl)-7-(2-methylprop-2-enoxy)chromen-2-one

CAS 308297-66-7C₂₀H₁₅NO₃S

9H-Fluoren-9-one,O-[(4-methylphenyl)sulfonyl]oxime

CAS 98503-52-7C₂₀H₁₅NO₃S

N-(4-Hydroxynaphthalen-1-yl)naphthalene-1-sulfonamide

CAS 50994-48-4C₂₀H₁₅NO₃S

4H-1-Benzopyran-4-one, 7-methoxy-2-methyl-3-(2-phenyl-4-thiazolyl)-

CAS 51625-95-7C₂₀H₁₅NO₃S

5-(4-Methoxyphenyl)-2-(2-methylphenyl)thieno[2,3-d][1,3]oxazin-4-one

CAS 372978-41-1C₂₀H₁₅NO₃S

2-Methylquinolin-8-yl naphthalene-2-sulfonate

CAS 438478-98-9C₂₀H₁₅NO₃S

N-(2-Phenylsulfanylphenyl)-1,3-benzodioxole-5-carboxamide

CAS 827617-79-8C₂₀H₁₅NO₃S

3-Oxo-2-(2-thienylmethyl)-2,3-dihydro-1H-isoindol-1-yl benzenecarboxylate

CAS 866008-22-2C₂₀H₁₅NO₃S

(E)-3-(1,3-Benzodioxol-5-yl)-1-(4-methyl-2-phenyl-1,3-thiazol-5-yl)prop-2-en-1-one

CAS 478079-14-0C₂₀H₁₅NO₃S

2-(3-Benzyloxy-thiophen-2-ylmethyl)-isoindole-1,3-dione

CAS 1030012-43-1C₂₀H₁₅NO₃S

N-([2,3'-Bifuran]-5-ylmethyl)-4-(thiophen-3-yl)benzamide

CAS 2034442-28-7C₂₀H₁₅NO₃S

1-(9-Benzenesulfonyl-9H-carbazol-2-yl)-ethanone

CAS 1190219-60-3C₂₀H₁₅NO₃S

Benzene, 1,1a(2)-[nitro(phenylsulfinyl)ethenylidene]bis-

CAS 97825-40-6C₂₀H₁₅NO₃S

(3-Hydroxy-10H-phenothiazin-10-yl)(4-methoxyphenyl)methanone

CAS 94059-87-7C₂₀H₁₅NO₃S

2-Oxo-6-{(E)-2-[4-(phenylsulfanyl)phenyl]ethenyl}-1,2-dihydropyridine-3-carboxylic acid

CAS 72918-15-1C₂₀H₁₅NO₃S

4'-Cyano-[1,1'-biphenyl]-4-yl 4-methylbenzene-1-sulfonate

CAS 162208-98-2C₂₀H₁₅NO₃S

2-(Benzenesulfonyl)-3-[5-(4-methylphenyl)furan-2-yl]prop-2-enenitrile

CAS 64251-69-0C₂₀H₁₅NO₃S

Frequently asked questions

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What is the molar mass of C20H15NO3S?

The molar mass of C20H15NO3S is 349.40 g/mol, calculated from standard atomic weights for 20 carbon atoms, 15 hydrogen atoms, 1 nitrogen atom, 3 oxygen atoms and 1 sulfur atom. The monoisotopic mass is 349.0773 Da.

How many compounds have the formula C20H15NO3S?

CompoundList lists 22 compounds with the molecular formula C20H15NO3S, including 2-(Para-toluenesulfonamido)-9-fluorenone, 4-Phenyl-2-[[(E)-3-phenylprop-2-enoyl]amino]thiophene-3-carboxylic acid, 2-(1,3-Benzodioxol-5-yl)-4-(furan-2-yl)-2,3-dihydro-1,5-benzothiazepine. 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 C20H15NO3S?

C20H15NO3S 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.