Benzenesulfonic Acid-Impurities | Pharmaffiliates

benzenesulfonic acid and its Impurities

An organosulfur compound , it is used for preparation of benzenesulfonate salts or bensilates from which various pharmaceutical drugs are preparaed. Benzenesulfonic acid is prepared by sulfonation of benzene ring. Reference standards of Benzenesulfonic Acid API, and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.

Displaying 21 results for benzenesulfonic acid Impurities
PA 02 12000

Benzenesulfonic Acid - API

Benzenesulfonic Acid


  • Catalogue No.:PA 02 12000

  • CAS :

    98-11-3

  • Molecular Formula : C6H6O3S

  • Molecular Weight : 158.18

PA 02 12510

Butyl Benzenesulfonate

Butyl Benzenesulfonate


  • Catalogue No.:PA 02 12510

  • CAS :

    80-44-4

  • Molecular Formula : C10H14O3S

  • Molecular Weight : 214.28

PA 02 12520

Ethyl Benzenesulfonate

Ethyl Benzenesulfonate


  • Catalogue No.:PA 02 12520

  • CAS :

    515-46-8

  • Molecular Formula : C8H10O3S

  • Molecular Weight : 186.23

PA 02 12530

Isopropyl Benzenesulfonate

Isopropyl Benzenesulfonate


  • Catalogue No.:PA 02 12530

  • CAS :

    6214-18-2

  • Molecular Formula : C9H12O3S

  • Molecular Weight : 200.25

PA 02 12540

Methyl Benzenesulfonate

Methyl Benzenesulfonate


  • Catalogue No.:PA 02 12540

  • CAS :

    80-18-2

  • Molecular Formula : C7H8O3S

  • Molecular Weight : 172.2

PA 02 12550

Propargyl Benzenesulfonate

Propargyl Benzenesulfonate


  • Catalogue No.:PA 02 12550

  • CAS :

    6165-75-9

  • Molecular Formula : C9H8O3S

  • Molecular Weight : 196.22

PA 02 12560

Sodium (C10-16)alkylbenzenesulfonate

Sodium (C10-16)alkylbenzenesulfonate


  • Catalogue No.:PA 02 12560

  • CAS :

    68081-81-2

  • Molecular Formula : C17H27NaO3S

  • Molecular Weight : 334.45

PA 02 12580

Sodium 4-(tert-butyl)benzenesulfonate

Sodium 4-(tert-butyl)benzenesulfonate


  • Catalogue No.:PA 02 12580

  • CAS :

    30995-69-8

  • Molecular Formula : C10H13NaO3S

  • Molecular Weight : 236.26

PA 02 12590

2-Dodecylbenzene Sulfonic Acid Potassium Salt (Mixture of Isomers)

2-Dodecylbenzene Sulfonic Acid Potassium Salt (Mixture of Isomers)


  • Catalogue No.:PA 02 12590

  • CAS :

    27177-77-1

  • Molecular Formula : C18H29KO3S

  • Molecular Weight : 364.59

PA 02 12600

Ethyl 4-nitrobenzenesulfonate

Ethyl 4-nitrobenzenesulfonate


  • Catalogue No.:PA 02 12600

  • CAS :

    15481-55-7

  • Molecular Formula : C8H9NO5S

  • Molecular Weight : 231.22

PA 02 12610

Methyl 4-acetamidobenzenesulfonate

Methyl 4-acetamidobenzenesulfonate


  • Catalogue No.:PA 02 12610

  • CAS :

    64704-11-6

  • Molecular Formula : C9H11NO4S

  • Molecular Weight : 229.25

PA 02 0121000

Propyl Benzenesulfonate

Propyl Benzenesulfonate


  • Catalogue No.:PA 02 0121000

  • CAS :

    80-42-2

  • Molecular Formula : C9H12O3S

  • Molecular Weight : 200.25

PA 02 0121001

3-Amino-Benzenesulfonic Acid Ethyl Ester

3-Amino-Benzenesulfonic Acid Ethyl Ester


  • Catalogue No.:PA 02 0121001

  • CAS :

    1071394-78-9

  • Molecular Formula : C8H11NO3S

  • Molecular Weight : 201.24

PA 02 0121002

tert-Butyl Benzenesulfonate

tert-Butyl Benzenesulfonate


  • Catalogue No.:PA 02 0121002

  • CAS :

    91950-41-3

  • Molecular Formula : C10H14O3S

  • Molecular Weight : 214.28

PA STI 088933

p-Toluenesulfonylhydrazide-N,N,N-d3

p-Toluenesulfonylhydrazide-N,N,N-d3


  • Catalogue No.:PA STI 088933

  • CAS :

    109333-73-5

  • Molecular Formula : C7H7D3N2O2S

  • Molecular Weight : 189.25

PA 02 0121003

2-Aminoethanol Tosylate

2-Aminoethanol Tosylate


  • Catalogue No.:PA 02 0121003

  • CAS :

    78894-78-7

  • Molecular Formula : C9H13NO3S

  • Molecular Weight : 215.27

PA 02 0121004

2-Aminoethyl 4-methylbenzenesulfonate 4-methylbenzenesulfonate

2-Aminoethyl 4-methylbenzenesulfonate 4-methylbenzenesulfonate


  • Catalogue No.:PA 02 0121004

  • CAS :

    78894-79-8

  • Molecular Formula : C16H21NO6S2

  • Molecular Weight : 387.47

PA 02 0121005

5-Chloro-4-hydroxypyridine-3-sulfonic Acid

5-Chloro-4-hydroxypyridine-3-sulfonic Acid


  • Catalogue No.:PA 02 0121005

  • CAS :

    1355205-07-0

  • Molecular Formula : C5H4ClNO4S

  • Molecular Weight : 209.6

PA 02 0121006

p-Toluenesulfonyl Hydrazide

p-Toluenesulfonyl Hydrazide


  • Catalogue No.:PA 02 0121006

  • CAS :

    1576-35-8

  • Molecular Formula : C7H10N2O2S

  • Molecular Weight : 186.23

PA 02 0121007

4-(Methoxycarbonyl)benzenesulfonic Acid

4-(Methoxycarbonyl)benzenesulfonic Acid


  • Catalogue No.:PA 02 0121007

  • CAS :

    51307-73-4

  • Molecular Formula : C8H8O5S

  • Molecular Weight : 216.21

PA 02 0121008

Sodium Cumene Sulfonate

Sodium Cumene Sulfonate


  • Catalogue No.:PA 02 0121008

  • CAS :

    32073-22-6

  • Molecular Formula : C9H12O3S.Na

  • Molecular Weight : 200.25 + (22.99)