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Molecular formula

C18H11ClN2OS

21 compounds have this formula on CompoundList.

Molar mass
338.81g/mol
Monoisotopic mass
338.0281Da
Atoms
34
Elements
6
Rings plus double bonds
14

The formula C18H11ClN2OS describes a molecule made of 18 carbon atoms, 11 hydrogen atoms, 1 chlorine atom, 2 nitrogen atoms, 1 oxygen atom 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 × 1863.81%
    12.011 × 18 = 216.198 g/mol
  • H Hydrogen × 113.27%
    1.008 × 11 = 11.088 g/mol
  • Cl Chlorine × 110.46%
    35.45 × 1 = 35.450 g/mol
  • N Nitrogen × 28.27%
    14.007 × 2 = 28.014 g/mol
  • O Oxygen × 14.72%
    15.999 × 1 = 15.999 g/mol
  • S Sulfur × 19.46%
    32.06 × 1 = 32.060 g/mol
Look up another formula

Compounds with the formula C18H11ClN2OS

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

Showing 1 to 21 of 21 compounds

3-Chloro-N-(quinolin-5-yl)-1-benzothiophene-2-carboxamide chemical structure, C18H11ClN2OS, CAS 303794-05-0
3-Chloro-N-(quinolin-5-yl)-1-benzothiophene-2-carboxamide
CAS 303794-05-0C18H11ClN2OS
3-(4-Chlorophenyl)-7-phenylthieno[3,2-d]pyrimidin-4(3H)-one chemical structure, C18H11ClN2OS, CAS 1621966-64-0
3-(4-Chlorophenyl)-7-phenylthieno[3,2-d]pyrimidin-4(3H)-one
CAS 1621966-64-0C18H11ClN2OS
3-Chloro-N-quinolin-8-yl-1-benzothiophene-2-carboxamide chemical structure, C18H11ClN2OS, CAS 181473-13-2
3-Chloro-N-quinolin-8-yl-1-benzothiophene-2-carboxamide
CAS 181473-13-2C18H11ClN2OS
3-(2-Chlorophenyl)-7-phenylthieno[3,2-D]pyrimidin-4(3H)-one chemical structure, C18H11ClN2OS, CAS 1621966-62-8
3-(2-Chlorophenyl)-7-phenylthieno[3,2-D]pyrimidin-4(3H)-one
CAS 1621966-62-8C18H11ClN2OS
3-(3-Chlorophenyl)-7-phenylthieno[3,2-D]pyrimidin-4(3H)-one chemical structure, C18H11ClN2OS, CAS 1621966-63-9
3-(3-Chlorophenyl)-7-phenylthieno[3,2-D]pyrimidin-4(3H)-one
CAS 1621966-63-9C18H11ClN2OS
(Z)-4-Chloro-N-(naphtho[2,1-d]thiazol-2(3H)-ylidene)benzamide chemical structure, C18H11ClN2OS, CAS 313550-13-9
(Z)-4-Chloro-N-(naphtho[2,1-d]thiazol-2(3H)-ylidene)benzamide
CAS 313550-13-9C18H11ClN2OS
N-(6-Chloro-1,3-benzothiazol-2-yl)naphthalene-1-carboxamide chemical structure, C18H11ClN2OS, CAS 313528-91-5
N-(6-Chloro-1,3-benzothiazol-2-yl)naphthalene-1-carboxamide
CAS 313528-91-5C18H11ClN2OS
(Z)-3-Chloro-N-(naphtho[2,1-d]thiazol-2(3H)-ylidene)benzamide chemical structure, C18H11ClN2OS, CAS 313648-09-8
(Z)-3-Chloro-N-(naphtho[2,1-d]thiazol-2(3H)-ylidene)benzamide
CAS 313648-09-8C18H11ClN2OS
(Z)-2-Chloro-N-(naphtho[2,1-d]thiazol-2(3H)-ylidene)benzamide chemical structure, C18H11ClN2OS, CAS 325978-05-0
(Z)-2-Chloro-N-(naphtho[2,1-d]thiazol-2(3H)-ylidene)benzamide
CAS 325978-05-0C18H11ClN2OS
(2E)-3-(4-Chlorophenyl)-2-[4-(2-hydroxyphenyl)-1,3-thiazol-2-yl]prop-2-enenitrile chemical structure, C18H11ClN2OS, CAS 402953-48-4
(2E)-3-(4-Chlorophenyl)-2-[4-(2-hydroxyphenyl)-1,3-thiazol-2-yl]prop-2-enenitrile
CAS 402953-48-4C18H11ClN2OS
3-(2-Chlorophenyl)-3-oxo-2-(4-phenyl-2,3-dihydrothiazole-2-ylidene)-propionitrile chemical structure, C18H11ClN2OS, CAS 77768-58-2
3-(2-Chlorophenyl)-3-oxo-2-(4-phenyl-2,3-dihydrothiazole-2-ylidene)-propionitrile
CAS 77768-58-2C18H11ClN2OS
2-Chlorophenyl 6-phenylfuro[2,3-d]pyrimidin-4-yl sulfide chemical structure, C18H11ClN2OS, CAS 866039-02-3
2-Chlorophenyl 6-phenylfuro[2,3-d]pyrimidin-4-yl sulfide
CAS 866039-02-3C18H11ClN2OS
(2-Chlorophenyl)(thieno[2,3-b]quinolin-2-yl)methanone oxime chemical structure, C18H11ClN2OS, CAS 692737-16-9
(2-Chlorophenyl)(thieno[2,3-b]quinolin-2-yl)methanone oxime
CAS 692737-16-9C18H11ClN2OS
2-[2-(4-Chlorophenoxy)pyridin-3-yl]-1,3-benzothiazole chemical structure, C18H11ClN2OS, CAS 337920-64-6
2-[2-(4-Chlorophenoxy)pyridin-3-yl]-1,3-benzothiazole
CAS 337920-64-6C18H11ClN2OS
5-Chloro-2-[2-(phenylsulfanyl)-3-pyridinyl]-1,3-benzoxazole chemical structure, C18H11ClN2OS, CAS 866038-59-7
5-Chloro-2-[2-(phenylsulfanyl)-3-pyridinyl]-1,3-benzoxazole
CAS 866038-59-7C18H11ClN2OS
4-Chlorophenyl 6-phenylfuro[2,3-d]pyrimidin-4-yl sulfide chemical structure, C18H11ClN2OS, CAS 866038-98-4
4-Chlorophenyl 6-phenylfuro[2,3-d]pyrimidin-4-yl sulfide
CAS 866038-98-4C18H11ClN2OS
3-(4-Chlorophenyl)-2-(4-phenyl-1,3-thiazol-2-yl)oxirane-2-carbonitrile chemical structure, C18H11ClN2OS, CAS 919201-80-2
3-(4-Chlorophenyl)-2-(4-phenyl-1,3-thiazol-2-yl)oxirane-2-carbonitrile
CAS 919201-80-2C18H11ClN2OS
Methanone, (4-chlorophenyl)[5-(3-thienyl)-1H-pyrrolo[2,3-b]pyridin-3-yl]- chemical structure, C18H11ClN2OS, CAS 858117-62-1
Methanone, (4-chlorophenyl)[5-(3-thienyl)-1H-pyrrolo[2,3-b]pyridin-3-yl]-
CAS 858117-62-1C18H11ClN2OS
2-Chloro-N-{3-[2-(thiophen-2-yl)ethynyl]phenyl}pyridine-4-carboxamide chemical structure, C18H11ClN2OS, CAS 1110923-29-9
2-Chloro-N-{3-[2-(thiophen-2-yl)ethynyl]phenyl}pyridine-4-carboxamide
CAS 1110923-29-9C18H11ClN2OS
2-Chloro-beta-oxo-alpha-(4-phenyl-2(3H)-thiazolylidene)benzenepropanenitrile chemical structure, C18H11ClN2OS
2-Chloro-beta-oxo-alpha-(4-phenyl-2(3H)-thiazolylidene)benzenepropanenitrile
C18H11ClN2OS
1-{[(5-Chloro-1,3-benzothiazol-2-yl)amino]methylidene}naphthalen-2(1H)-one chemical structure, C18H11ClN2OS, CAS 74375-57-8
1-{[(5-Chloro-1,3-benzothiazol-2-yl)amino]methylidene}naphthalen-2(1H)-one
CAS 74375-57-8C18H11ClN2OS

Frequently asked questions

What is the molar mass of C18H11ClN2OS?

The molar mass of C18H11ClN2OS is 338.81 g/mol, calculated from standard atomic weights for 18 carbon atoms, 11 hydrogen atoms, 1 chlorine atom, 2 nitrogen atoms, 1 oxygen atom and 1 sulfur atom. The monoisotopic mass is 338.0281 Da.

How many compounds have the formula C18H11ClN2OS?

CompoundList lists 21 compounds with the molecular formula C18H11ClN2OS, including 3-Chloro-N-(quinolin-5-yl)-1-benzothiophene-2-carboxamide, 3-(4-Chlorophenyl)-7-phenylthieno[3,2-d]pyrimidin-4(3H)-one, 3-Chloro-N-quinolin-8-yl-1-benzothiophene-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 C18H11ClN2OS?

C18H11ClN2OS 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.