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Molecular formula

C18H18ClNO5S2

9 compounds have this formula on CompoundList.

Molar mass
427.91g/mol
Monoisotopic mass
427.0315Da
Atoms
45
Elements
6
Rings plus double bonds
10

The formula C18H18ClNO5S2 describes a molecule made of 18 carbon atoms, 18 hydrogen atoms, 1 chlorine atom, 1 nitrogen atom, 5 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 × 1850.52%
    12.011 × 18 = 216.198 g/mol
  • H Hydrogen × 184.24%
    1.008 × 18 = 18.144 g/mol
  • Cl Chlorine × 18.28%
    35.45 × 1 = 35.450 g/mol
  • N Nitrogen × 13.27%
    14.007 × 1 = 14.007 g/mol
  • O Oxygen × 518.69%
    15.999 × 5 = 79.995 g/mol
  • S Sulfur × 214.98%
    32.06 × 2 = 64.120 g/mol
Look up another formula

Compounds with the formula C18H18ClNO5S2

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

Showing 1 to 9 of 9 compounds

5,6-Diethyl 7-(4-chlorophenyl)-2-oxo-2H,3H,5H,6H,7H-thiopyrano[2,3-d][1,3]thiazole-5,6-dicarboxylate chemical structure, C18H18ClNO5S2, CAS 1005116-31-3
5,6-Diethyl 7-(4-chlorophenyl)-2-oxo-2H,3H,5H,6H,7H-thiopyrano[2,3-d][1,3]thiazole-5,6-dicarboxylate
CAS 1005116-31-3C18H18ClNO5S2
2-(4-Chlorophenyl)-2-oxoethyl 1-(thiophen-2-ylsulfonyl)piperidine-4-carboxylate chemical structure, C18H18ClNO5S2, CAS 380341-59-3
2-(4-Chlorophenyl)-2-oxoethyl 1-(thiophen-2-ylsulfonyl)piperidine-4-carboxylate
CAS 380341-59-3C18H18ClNO5S2
4-Chloro-N-(1,1-dioxo-2,3-dihydrothiophen-3-yl)-N-(4-ethoxyphenyl)benzenesulfonamide chemical structure, C18H18ClNO5S2, CAS 831206-08-7
4-Chloro-N-(1,1-dioxo-2,3-dihydrothiophen-3-yl)-N-(4-ethoxyphenyl)benzenesulfonamide
CAS 831206-08-7C18H18ClNO5S2
2-Methoxy-5-(4-morpholinylcarbothioyl)phenyl 4-chlorobenzenesulfonate chemical structure, C18H18ClNO5S2, CAS 431977-63-8
2-Methoxy-5-(4-morpholinylcarbothioyl)phenyl 4-chlorobenzenesulfonate
CAS 431977-63-8C18H18ClNO5S2
1-(3-((3-((4-Chlorophenyl)sulfonyl)pyrrolidin-1-yl)sulfonyl)phenyl)ethanone chemical structure, C18H18ClNO5S2, CAS 1448052-55-8
1-(3-((3-((4-Chlorophenyl)sulfonyl)pyrrolidin-1-yl)sulfonyl)phenyl)ethanone
CAS 1448052-55-8C18H18ClNO5S2
1-(3-((4-Chlorophenyl)sulfonyl)azetidin-1-yl)-3-(phenylsulfonyl)propan-1-one chemical structure, C18H18ClNO5S2, CAS 1797087-91-2
1-(3-((4-Chlorophenyl)sulfonyl)azetidin-1-yl)-3-(phenylsulfonyl)propan-1-one
CAS 1797087-91-2C18H18ClNO5S2
N-(4-Chlorobenzyl)-4-[(1,1-dioxidotetrahydrothiophen-3-yl)sulfonyl]benzamide chemical structure, C18H18ClNO5S2, CAS 1011664-94-0
N-(4-Chlorobenzyl)-4-[(1,1-dioxidotetrahydrothiophen-3-yl)sulfonyl]benzamide
CAS 1011664-94-0C18H18ClNO5S2
3-[1-(5-Chloro-thiophene-2-sulfonyl)-6-isopropoxy-1H-indol-3-yl]-propionic acid chemical structure, C18H18ClNO5S2, CAS 929255-18-5
3-[1-(5-Chloro-thiophene-2-sulfonyl)-6-isopropoxy-1H-indol-3-yl]-propionic acid
CAS 929255-18-5C18H18ClNO5S2
3-[1-(5-Chloro-thiophene-2-sulfonyl)-5-isopropoxy-1H-indol-3-yl]-propionic acid chemical structure, C18H18ClNO5S2, CAS 929256-13-3
3-[1-(5-Chloro-thiophene-2-sulfonyl)-5-isopropoxy-1H-indol-3-yl]-propionic acid
CAS 929256-13-3C18H18ClNO5S2

Frequently asked questions

What is the molar mass of C18H18ClNO5S2?

The molar mass of C18H18ClNO5S2 is 427.91 g/mol, calculated from standard atomic weights for 18 carbon atoms, 18 hydrogen atoms, 1 chlorine atom, 1 nitrogen atom, 5 oxygen atoms and 2 sulfur atoms. The monoisotopic mass is 427.0315 Da.

How many compounds have the formula C18H18ClNO5S2?

CompoundList lists 9 compounds with the molecular formula C18H18ClNO5S2, including 5,6-Diethyl 7-(4-chlorophenyl)-2-oxo-2H,3H,5H,6H,7H-thiopyrano[2,3-d][1,3]thiazole-5,6-dicarboxylate, 2-(4-Chlorophenyl)-2-oxoethyl 1-(thiophen-2-ylsulfonyl)piperidine-4-carboxylate, 4-Chloro-N-(1,1-dioxo-2,3-dihydrothiophen-3-yl)-N-(4-ethoxyphenyl)benzenesulfonamide. 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 C18H18ClNO5S2?

C18H18ClNO5S2 has a degree of unsaturation of 10. 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.