Molecular formula

C₉H₉NO₃S₂

28 compounds have this formula on CompoundList.

Molar mass: 243.30g/mol
Monoisotopic mass: 243.0024Da
Atoms: 24
Elements: 5
Rings plus double bonds: 6

The formula C9H9NO3S2 describes a molecule made of 9 carbon atoms, 9 hydrogen atoms, 1 nitrogen atom, 3 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 × 944.43%
12.011 × 9 = 108.099 g/mol
H Hydrogen × 93.73%
1.008 × 9 = 9.072 g/mol
N Nitrogen × 15.76%
14.007 × 1 = 14.007 g/mol
O Oxygen × 319.73%
15.999 × 3 = 47.997 g/mol
S Sulfur × 226.35%
32.06 × 2 = 64.120 g/mol

Look up another formula

Compounds with the formula C9H9NO3S2

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

Showing 1 to 28 of 28 compounds

2-[(1,1-Dioxido-1,2-benzothiazol-3-yl)sulfanyl]ethanol

CAS 109538-84-3C₉H₉NO₃S₂

5-(Ethylsulfonyl)-1,3-benzoxazole-2-thiol

CAS 155559-80-1C₉H₉NO₃S₂

N-(Furan-2-ylmethyl)thiophene-2-sulfonamide

CAS 333445-88-8C₉H₉NO₃S₂

5-Methoxy-2-sulfamoylbenzo[b]thiophene

CAS 96804-00-1C₉H₉NO₃S₂

5-Hydroxymethyl-2-sulfamoylbenzo[b]thiophene

CAS 96803-63-3C₉H₉NO₃S₂

6-(Ethylsulfonyl)-1,3-benzoxazole-2-thiol

CAS 1313829-46-7C₉H₉NO₃S₂

Benzothiazolium, 3-ethyl-2-sulfo-, inner salt

CAS 50818-84-3C₉H₉NO₃S₂

6-Methoxy-1-benzothiophene-2-sulfonamide

CAS 96803-87-1C₉H₉NO₃S₂

4-Methoxy-1-benzothiophene-2-sulfonamide

CAS 96803-88-2C₉H₉NO₃S₂

7-Methoxy-1-benzothiophene-2-sulfonamide

CAS 96803-65-5C₉H₉NO₃S₂

Ethyl 4-cyano-3-hydroxy-5-(methylthio)thiophene-2-carboxylate

CAS 203189-41-7C₉H₉NO₃S₂

3-(Phenylsulfonyl)-1,3-oxazolidine-2-thione

CAS 14627-86-2C₉H₉NO₃S₂

Ethyl 1,3-benzothiazole-2-sulfonate

CAS 54973-69-2C₉H₉NO₃S₂

6-Methoxy-2-(methylsulfonyl)-1,3-benzothiazole

CAS 791594-84-8C₉H₉NO₃S₂

4-Methoxy-2-(methylsulfonyl)benzo[d]thiazole

CAS 1334368-43-2C₉H₉NO₃S₂

2-[(Methylsulfanyl)methyl]-1,2-benzisothiazol-3(2H)-one 1,1-dioxide

CAS 13361-54-1C₉H₉NO₃S₂

4,6-Dimethylthieno[3,2-c]pyridine-3-sulfonic acid

CAS 30433-83-1C₉H₉NO₃S₂

2,4-Dimethylthieno[3,2-c]pyridine-3-sulfonic acid

CAS 30433-82-0C₉H₉NO₃S₂

2-(1,3-Dithiolan-2-yl)-4-nitrophenol

CAS 261704-15-8C₉H₉NO₃S₂

(5Z)-5-(4,4-Dimethyl-2-oxooxolan-3-ylidene)-2-sulfanylidene-1,3-thiazolidin-4-one

CAS 82698-91-7C₉H₉NO₃S₂

4-Thiazolidinecarboxylic acid, 3-(2-thienylcarbonyl)-, (R)-

CAS 117918-59-9C₉H₉NO₃S₂

2-(Propan-2-yloxy)thieno[2,3-d][1,3]thiazole-5-carboxylic acid

CAS 1597936-36-1C₉H₉NO₃S₂

4-Oxo-3,4-dihydro-2H-1-benzothiopyran-8-sulfonamide

CAS 89819-32-9C₉H₉NO₃S₂

4-Hydroxy-N-methyl-1-benzothiophene-2-sulfonamide

CAS 2060062-23-7C₉H₉NO₃S₂

Frequently asked questions

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What is the molar mass of C9H9NO3S2?

The molar mass of C9H9NO3S2 is 243.30 g/mol, calculated from standard atomic weights for 9 carbon atoms, 9 hydrogen atoms, 1 nitrogen atom, 3 oxygen atoms and 2 sulfur atoms. The monoisotopic mass is 243.0024 Da.

How many compounds have the formula C9H9NO3S2?

CompoundList lists 28 compounds with the molecular formula C9H9NO3S2, including 2-[(1,1-Dioxido-1,2-benzothiazol-3-yl)sulfanyl]ethanol, 5-(Ethylsulfonyl)-1,3-benzoxazole-2-thiol, N-(Furan-2-ylmethyl)thiophene-2-sulfonamide. 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 C9H9NO3S2?

C9H9NO3S2 has a degree of unsaturation of 6. 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.