Molecular formula

C₉H₉NO₂S₂

33 compounds have this formula on CompoundList.

Molar mass: 227.30g/mol
Monoisotopic mass: 227.0075Da
Atoms: 23
Elements: 5
Rings plus double bonds: 6

The formula C9H9NO2S2 describes a molecule made of 9 carbon atoms, 9 hydrogen atoms, 1 nitrogen atom, 2 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 × 947.56%
12.011 × 9 = 108.099 g/mol
H Hydrogen × 93.99%
1.008 × 9 = 9.072 g/mol
N Nitrogen × 16.16%
14.007 × 1 = 14.007 g/mol
O Oxygen × 214.08%
15.999 × 2 = 31.998 g/mol
S Sulfur × 228.21%
32.06 × 2 = 64.120 g/mol

Look up another formula

Compounds with the formula C9H9NO2S2

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

Showing 1 to 33 of 33 compounds

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

CAS 116170-84-4C₉H₉NO₂S₂

2-(Ethanesulfonyl)-1,3-benzothiazole

CAS 2591-11-9C₉H₉NO₂S₂

N-(2-Oxothiolan-3-yl)thiophene-2-carboxamide

CAS 57752-71-3C₉H₉NO₂S₂

[(Phenylcarbamothioyl)sulfanyl]acetic acid

CAS 53278-51-6C₉H₉NO₂S₂

Methyl 2-isothiocyanato-4,5-dimethylthiophene-3-carboxylate

CAS 588676-61-3C₉H₉NO₂S₂

2-(3-Nitrophenyl)-1,3-dithiolane

CAS 23229-30-3C₉H₉NO₂S₂

2-(4-Nitrophenyl)-1,3-dithiolane

CAS 41159-02-8C₉H₉NO₂S₂

Methyl 5-ethyl-2-isothiocyanatothiophene-3-carboxylate

CAS 869946-96-3C₉H₉NO₂S₂

S~2~,S~6~-Dimethyl pyridine-2,6-dicarbothioate

CAS 69945-43-3C₉H₉NO₂S₂

p-Dithiin-2,3-dicarboximide, 5,6-dihydro-N-allyl-

CAS 34419-07-3C₉H₉NO₂S₂

5-Methanesulfonyl-2-methyl-1,3-benzothiazole

CAS 32770-94-8C₉H₉NO₂S₂

Ethyl 3-methylthieno[2,3-c]isothiazole-5-carboxylate

CAS 82000-57-5C₉H₉NO₂S₂

5-Methyl-1-benzothiophene-2-sulfonamide

CAS 91004-27-2C₉H₉NO₂S₂

5-Methanesulfonamidobenzothiophene

CAS 136188-95-9C₉H₉NO₂S₂

N-(2-Hydroxyethyl)thieno[3,2-b]thiophene-2-carboxamide

CAS 1092345-52-2C₉H₉NO₂S₂

N-Methyl-1-benzothiophene-2-sulfonamide

CAS 1263277-81-1C₉H₉NO₂S₂

N-Methyl-1-benzothiophene-7-sulfonamide

CAS 1866585-11-6C₉H₉NO₂S₂

Benzothiazole, ((methoxymethyl)thio)-, 3-oxide

CAS 91384-87-1C₉H₉NO₂S₂

(1-Benzothiophen-3-yl)methanesulfonamide

CAS 1250168-67-2C₉H₉NO₂S₂

N-(Benzo[b]thiophen-4-yl)methanesulfonamide

CAS 1428882-21-6C₉H₉NO₂S₂

Ethyl 2-isothiocyanato-4-methylthiophene-3-carboxylate

CAS 257610-87-0C₉H₉NO₂S₂

2-Methyl-1-benzothiophene-3-sulfonamide

CAS 90563-88-5C₉H₉NO₂S₂

3-Methyl-1-benzothiophene-2-sulfonamide

CAS 50368-15-5C₉H₉NO₂S₂

7-Methyl-1-benzothiophene-2-sulfonamide

CAS 2580217-45-2C₉H₉NO₂S₂

Frequently asked questions

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What is the molar mass of C9H9NO2S2?

The molar mass of C9H9NO2S2 is 227.30 g/mol, calculated from standard atomic weights for 9 carbon atoms, 9 hydrogen atoms, 1 nitrogen atom, 2 oxygen atoms and 2 sulfur atoms. The monoisotopic mass is 227.0075 Da.

How many compounds have the formula C9H9NO2S2?

CompoundList lists 33 compounds with the molecular formula C9H9NO2S2, including Ethyl 4-cyano-5-(methylthio)thiophene-2-carboxylate, 2-(Ethanesulfonyl)-1,3-benzothiazole, N-(2-Oxothiolan-3-yl)thiophene-2-carboxamide. 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 C9H9NO2S2?

C9H9NO2S2 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.