Molecular formula

C₁₁H₉NO₄S₂

26 compounds have this formula on CompoundList.

Molar mass: 283.32g/mol
Monoisotopic mass: 282.9973Da
Atoms: 27
Elements: 5
Rings plus double bonds: 8

The formula C11H9NO4S2 describes a molecule made of 11 carbon atoms, 9 hydrogen atoms, 1 nitrogen atom, 4 oxygen atoms 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 × 1146.63%
12.011 × 11 = 132.121 g/mol
H Hydrogen × 93.20%
1.008 × 9 = 9.072 g/mol
N Nitrogen × 14.94%
14.007 × 1 = 14.007 g/mol
O Oxygen × 422.59%
15.999 × 4 = 63.996 g/mol
S Sulfur × 222.63%
32.06 × 2 = 64.120 g/mol

Look up another formula

Compounds with the formula C11H9NO4S2

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

Showing 1 to 26 of 26 compounds

4-(Thiophene-2-sulfonamido)benzoic acid

CAS 82068-35-7C₁₁H₉NO₄S₂

3-Amino-4-(phenylsulfonyl)thiophene-2-carboxylic acid

CAS 175201-59-9C₁₁H₉NO₄S₂

3-(Thiophene-2-sulfonamido)benzoic acid

CAS 82068-34-6C₁₁H₉NO₄S₂

5-(3-Hydroxybenzoyl)-2-thiophenesulfonamide

CAS 114891-23-5C₁₁H₉NO₄S₂

3-Methylsulfonyl-2lambda6-thia-3-azatricyclo[6.3.1.04,12]dodeca-1(11),4,6,8(12),9-pentaene 2,2-dioxide

CAS 725717-74-8C₁₁H₉NO₄S₂

3-(Benzenesulfonylmethyl)-2-nitrothiophene

CAS 93418-92-9C₁₁H₉NO₄S₂

3-[2,4-Dioxo-5-(2-thienylmethylene)-1,3-thiazolidin-3-yl]propanoic acid

CAS 501112-60-3C₁₁H₉NO₄S₂

2-[4-(1,3-Thiazol-2-yl)phenyl]sulfonylacetic acid

CAS 653588-47-7C₁₁H₉NO₄S₂

(Z)-3-(5-(Furan-2-ylmethylene)-4-oxo-2-thioxothiazolidin-3-yl)propanoic acid

CAS 851303-29-2C₁₁H₉NO₄S₂

Butanedioic acid, 2-(2-benzothiazolylthio)-

CAS 95154-01-1C₁₁H₉NO₄S₂

4-(4-Hydroxybenzoyl)-2-thiophenesulfonamide

CAS 118993-57-0C₁₁H₉NO₄S₂

2-(Thiophene-2-sulfonylamino)-benzoic acid

CAS 82068-33-5C₁₁H₉NO₄S₂

3-[(Phenylsulfonyl)amino]thiophene-2-carboxylic acid

CAS 409364-78-9C₁₁H₉NO₄S₂

2-[5-(2-Furylmethylene)-4-oxo-2-thioxo-1,3-thiazolidin-3-yl]propanoic acid

CAS 385397-94-4C₁₁H₉NO₄S₂

4-(5-Aminosulfonylthiophen-2-yl)benzoic acid

CAS 877758-90-2C₁₁H₉NO₄S₂

Methyl [(5E)-2,4-dioxo-5-(thiophen-3-ylmethylidene)-1,3-thiazolidin-3-yl]acetate

CAS 674788-25-1C₁₁H₉NO₄S₂

Methyl 3-(thiazol-2-ylsulfonyl)benzoate

CAS 1773505-91-1C₁₁H₉NO₄S₂

2-[(Phenylsulfonyl)amino]-3-thiophenecarboxylic acid

CAS 926231-41-6C₁₁H₉NO₄S₂

5-(n-Phenylsulfamoyl)thiophene-3-carboxylic acid

CAS 1036507-07-9C₁₁H₉NO₄S₂

2-[(5E)-5-[(5-Methylfuran-2-yl)methylidene]-4-oxo-2-sulfanylidene-1,3-thiazolidin-3-yl]acetic acid

CAS 304861-37-8C₁₁H₉NO₄S₂

2-(3-Methylbenzene-1-sulfonyl)-4-nitrothiophene

CAS 62256-08-0C₁₁H₉NO₄S₂

2-(Benzenesulfonyl)-3-methyl-5-nitrothiophene

CAS 56856-47-4C₁₁H₉NO₄S₂

2-{[4-(3,4-Dihydroxyphenyl)-1,3-thiazol-2-yl]sulfanyl}acetic acid

CAS 2308074-70-4C₁₁H₉NO₄S₂

1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 2-(methyldisulfanyl)acetate

CAS 2248417-03-8C₁₁H₉NO₄S₂

Frequently asked questions

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What is the molar mass of C11H9NO4S2?

The molar mass of C11H9NO4S2 is 283.32 g/mol, calculated from standard atomic weights for 11 carbon atoms, 9 hydrogen atoms, 1 nitrogen atom, 4 oxygen atoms and 2 sulfur atoms. The monoisotopic mass is 282.9973 Da.

How many compounds have the formula C11H9NO4S2?

CompoundList lists 26 compounds with the molecular formula C11H9NO4S2, including 4-(Thiophene-2-sulfonamido)benzoic acid, 3-Amino-4-(phenylsulfonyl)thiophene-2-carboxylic acid, 3-(Thiophene-2-sulfonamido)benzoic acid. 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 C11H9NO4S2?

C11H9NO4S2 has a degree of unsaturation of 8. 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.