tamsulosin and its Impurities

An alpha-blocker drug, Tamulosin is used to treat symptoms of a prostate gland condition called BPH (benign prostatic hyperplasia). It is a selective α1 receptor antagonist. It is also used to treat acute urinary retention. Reference standards of Tamsulosin API,and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.

Displaying 59 results for tamsulosin Impurities
Drug Reference Standards & Impurity Synthesis in India
PA 47 74000

Tamsulosin

Tamsulosin


  • Catalogue No.:PA 47 74000

  • CAS :

    106133-20-4 

  • Molecular Formula : C20H28N2O5S

  • Molecular Weight : 408.51

Drug Reference Standards & Impurity Synthesis in India
PA 20 05510

N,N-Diethylcyanoacetamide

N,N-Diethylcyanoacetamide


  • Catalogue No.:PA 20 05510

  • CAS :

    26391-06-0

  • Molecular Formula : C7H12N2O

  • Molecular Weight : 140.18

Drug Reference Standards & Impurity Synthesis in India
PA 20 05520

(R)-5-(2-((2-(2-Ethoxyphenoxy)ethyl)amino)propyl)-1-(3-hydroxypropyl)-1H-indole-7-carboxamide Hydrochloride

(R)-5-(2-((2-(2-Ethoxyphenoxy)ethyl)amino)propyl)-1-(3-hydroxypropyl)-1H-indole-7-carboxamide Hydrochloride


  • Catalogue No.:PA 20 05520

  • CAS :

    239463-67-3

  • Molecular Formula : C25H34ClN3O4

  • Molecular Weight : 476.01

Drug Reference Standards & Impurity Synthesis in India
PA 20 05530

(R)-5-(2-((2-(2-Ethoxyphenoxy)ethyl)(methyl)amino)propyl)-2-methoxybenzenesulfonamide

(R)-5-(2-((2-(2-Ethoxyphenoxy)ethyl)(methyl)amino)propyl)-2-methoxybenzenesulfonamide


  • Catalogue No.:PA 20 05530

  • CAS :

    2749357-76-2

  • Molecular Formula : C21H30N2O5S

  • Molecular Weight : 422.54

Drug Reference Standards & Impurity Synthesis in India
PA 20 05540

5-[(2RS)-2-[[2-(2-Ethoxyphenoxy)ethyl]- amino]propyl]-2-methoxybenzenesulfonamide Hydrochloride

5-[(2RS)-2-[[2-(2-Ethoxyphenoxy)ethyl]- amino]propyl]-2-methoxybenzenesulfonamide Hydrochloride


  • Catalogue No.:PA 20 05540

  • CAS :

    80223-99-0

  • Molecular Formula : C20H29ClN2O5S

  • Molecular Weight : 444.97

Drug Reference Standards & Impurity Synthesis in India
PA 20 05550

5-Acetonyl-2-methoxybenzenesulfonamide

5-Acetonyl-2-methoxybenzenesulfonamide


  • Catalogue No.:PA 20 05550

  • CAS :

    116091-63-5

  • Molecular Formula : C10H13NO4S

  • Molecular Weight : 243.28

Drug Reference Standards & Impurity Synthesis in India
PA STI 080890

rac Tamsulosin-d3 Hydrochloride

rac Tamsulosin-d3 Hydrochloride


  • Catalogue No.:PA STI 080890

  • CAS :

    1189923-88-3

  • Molecular Formula : C20H26D3ClN2O5S

  • Molecular Weight : 447.99

Drug Reference Standards & Impurity Synthesis in India
PA STI 080900

(R)-Tamsulosin-d3 Hydrochloride

(R)-Tamsulosin-d3 Hydrochloride


  • Catalogue No.:PA STI 080900

  • CAS :

    1795787-12-0

  • Molecular Formula : C20H26D3ClN2O5S

  • Molecular Weight : 447.99

Drug Reference Standards & Impurity Synthesis in India
PA STI 080910

Tamsulosin-d4 Hydrochloride

Tamsulosin-d4 Hydrochloride


  • Catalogue No.:PA STI 080910

  • CAS :

    2518100-55-3

  • Molecular Formula : C20H25D4ClN2O5S

  • Molecular Weight : 449

Drug Reference Standards & Impurity Synthesis in India
PA STI 080920

(S)-Tamsulosin-d3 Hydrochloride

(S)-Tamsulosin-d3 Hydrochloride


  • Catalogue No.:PA STI 080920

  • CAS :

    1217687-82-5

  • Molecular Formula : C20H26D3ClN2O5S

  • Molecular Weight : 447.99

Drug Reference Standards & Impurity Synthesis in India
PA STI 080930

Tamsulosin Sulfonic Acid-d4

Tamsulosin Sulfonic Acid-d4


  • Catalogue No.:PA STI 080930

  • CAS :

    1795786-82-1

  • Molecular Formula : C20H23D4NO6S

  • Molecular Weight : 413.52

Drug Reference Standards & Impurity Synthesis in India
PA BP876RB

tamsulosin hydrochloride (876RB)

tamsulosin hydrochloride (876RB)


  • Catalogue No.:PA BP876RB

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

Drug Reference Standards & Impurity Synthesis in India
PA BP877RB

tamsulosin hydrochloride impurity standard (877RB)

tamsulosin hydrochloride impurity standard (877RB)


  • Catalogue No.:PA BP877RB

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

Drug Reference Standards & Impurity Synthesis in India
PA IPIPRS 43 14

Tamsulosin Hydrochloride (IPRS/43/14)-from IPC

Tamsulosin Hydrochloride (IPRS/43/14)-from IPC


  • Catalogue No.:PA IPIPRS 43 14

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

Drug Reference Standards & Impurity Synthesis in India
PA EPY0000650

Tamsulosin hydrochloride (Y0000650)

Tamsulosin hydrochloride (Y0000650)


  • Catalogue No.:PA EPY0000650

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

Drug Reference Standards & Impurity Synthesis in India
PA EPY0000651

Tamsulosin impurity D (Y0000651)

Tamsulosin impurity D (Y0000651)


  • Catalogue No.:PA EPY0000651

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

Drug Reference Standards & Impurity Synthesis in India
PA EPY0000652

Tamsulosin impurity H (Y0000652)

Tamsulosin impurity H (Y0000652)


  • Catalogue No.:PA EPY0000652

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

Drug Reference Standards & Impurity Synthesis in India
PA EPY0000653

Tamsulosin racemate (Y0000653)

Tamsulosin racemate (Y0000653)


  • Catalogue No.:PA EPY0000653

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

Drug Reference Standards & Impurity Synthesis in India
PA USP1643260

Tamsulosin Hydrochloride (1643260)

Tamsulosin Hydrochloride (1643260)


  • Catalogue No.:PA USP1643260

  • CAS :

    106463-17-6

  • Molecular Formula : NA

  • Molecular Weight : NA

Drug Reference Standards & Impurity Synthesis in India
PA USP1643281

Racemic Tamsulosin Hydrochloride (1643281)

Racemic Tamsulosin Hydrochloride (1643281)


  • Catalogue No.:PA USP1643281

  • CAS :

    80223-99-0

  • Molecular Formula : NA

  • Molecular Weight : NA

Drug Reference Standards & Impurity Synthesis in India
PA STI 088431

(R)-(-)-Tamsulosin-d5 HCl (ethoxy-d5)

(R)-(-)-Tamsulosin-d5 HCl (ethoxy-d5)


  • Catalogue No.:PA STI 088431

  • CAS :

    NA

  • Molecular Formula : C20H24D5ClN2O5S

  • Molecular Weight : 450

Drug Reference Standards & Impurity Synthesis in India
PA 47 0741000

Tamsulosin Dimer

Tamsulosin Dimer


  • Catalogue No.:PA 47 0741000

  • CAS :

    NA

  • Molecular Formula : C40H54N4O10S2

  • Molecular Weight : 815.01

Drug Reference Standards & Impurity Synthesis in India
PA 47 0741002

Tamsulosin sulfonic acid

Tamsulosin sulfonic acid


  • Catalogue No.:PA 47 0741002

  • CAS :

    890708-67-5

  • Molecular Formula : C20H27NO6S

  • Molecular Weight : 409.5

Drug Reference Standards & Impurity Synthesis in India
PA 47 0741003

(R)-5-(2-((2-(2-Ethoxyphenoxy)ethyl)(2-phenoxyethyl)amino)propyl)-2-methoxybenzenesulfonamide

(R)-5-(2-((2-(2-Ethoxyphenoxy)ethyl)(2-phenoxyethyl)amino)propyl)-2-methoxybenzenesulfonamide


  • Catalogue No.:PA 47 0741003

  • CAS :

    2749283-79-0

  • Molecular Formula : C28H36N2O6S

  • Molecular Weight : 528.66

Drug Reference Standards & Impurity Synthesis in India
PA 47 0741004

(2-Ethoxyphenoxy)acetic acid

(2-Ethoxyphenoxy)acetic acid


  • Catalogue No.:PA 47 0741004

  • CAS :

    3251-30-7

  • Molecular Formula : C10H12O4

  • Molecular Weight : 196.2

Drug Reference Standards & Impurity Synthesis in India
PA 47 0741005

N-((2R)-3'-(2-Amino-1,1-dioxidotetrahydrothiophen-2-yl)-4'-methoxy-2-methyl-2,3-dihydro-[1,1'-biphenyl]-2-yl)-2-(2-ethoxyphenoxy)acetamide

N-((2R)-3'-(2-Amino-1,1-dioxidotetrahydrothiophen-2-yl)-4'-methoxy-2-methyl-2,3-dihydro-[1,1'-biphenyl]-2-yl)-2-(2-ethoxyphenoxy)acetamide


  • Catalogue No.:PA 47 0741005

  • CAS :

    NA

  • Molecular Formula : C28H34N2O6S

  • Molecular Weight : 526.65

Drug Reference Standards & Impurity Synthesis in India
PA 47 0741006

Tamsulosin Catechol

Tamsulosin Catechol


  • Catalogue No.:PA 47 0741006

  • CAS :

    176223-30-6

  • Molecular Formula : C18H24N2O5S

  • Molecular Weight : 380.46

Drug Reference Standards & Impurity Synthesis in India
PA 47 0741007

(R)-5-(2-((2-(2-Ethoxyphenoxy)ethyl)(nitroso)amino)propyl)-2-methoxybenzenesulfonamide

(R)-5-(2-((2-(2-Ethoxyphenoxy)ethyl)(nitroso)amino)propyl)-2-methoxybenzenesulfonamide


  • Catalogue No.:PA 47 0741007

  • CAS :

    2892260-31-8

  • Molecular Formula : C20H27N3O6S

  • Molecular Weight : 437.51

Drug Reference Standards & Impurity Synthesis in India
PA 47 0741008

5-[(2R)-2-[[2-(2-Ethoxyphenoxy)ethyl](phenylmethyl)amino]propyl]-2-methoxybenzenesulfonamide

5-[(2R)-2-[[2-(2-Ethoxyphenoxy)ethyl](phenylmethyl)amino]propyl]-2-methoxybenzenesulfonamide


  • Catalogue No.:PA 47 0741008

  • CAS :

    1027854-97-2

  • Molecular Formula : C27H34N2O5S

  • Molecular Weight : 498.64

Drug Reference Standards & Impurity Synthesis in India
PA 47 0741009

(E)-5-(2-(Hydroxyimino)propyl)-2-methoxybenzenesulfonamide

(E)-5-(2-(Hydroxyimino)propyl)-2-methoxybenzenesulfonamide


  • Catalogue No.:PA 47 0741009

  • CAS :

    NA

  • Molecular Formula : C10H14N2O4S

  • Molecular Weight : 258.29

Drug Reference Standards & Impurity Synthesis in India
PA 47 0741010

5-(2-(Hydroxyimino)propyl)-2-methoxybenzenesulfonamide

5-(2-(Hydroxyimino)propyl)-2-methoxybenzenesulfonamide


  • Catalogue No.:PA 47 0741010

  • CAS :

    944395-49-7

  • Molecular Formula : C10H14N2O4S

  • Molecular Weight : 258.29

Drug Reference Standards & Impurity Synthesis in India
PA 47 0741011

Ethyl 3-(1-methyl-2-(((4-(N-(((2-methylpentyl)oxy)carbonyl)carbamimidoyl)phenyl)amino)methyl)-N-(pyridin-2-yl)-1H-benzo[d]imidazole-5-carboxamido)propanoate

Ethyl 3-(1-methyl-2-(((4-(N-(((2-methylpentyl)oxy)carbonyl)carbamimidoyl)phenyl)amino)methyl)-N-(pyridin-2-yl)-1H-benzo[d]imidazole-5-carboxamido)propanoate


  • Catalogue No.:PA 47 0741011

  • CAS :

    2096992-14-0

  • Molecular Formula : C34H41N7O5

  • Molecular Weight : 627.75

Drug Reference Standards & Impurity Synthesis in India
PA 47 0741012

(+-)-Tamsulosin

(+-)-Tamsulosin


  • Catalogue No.:PA 47 0741012

  • CAS :

    94666-07-6

  • Molecular Formula : C20H28N2O5S

  • Molecular Weight : 408.51

Drug Reference Standards & Impurity Synthesis in India
PA 47 0741013

5,5'-((2R,2'R)-(((1,2-Phenylenebis(oxy))bis(ethane-2,1-diyl))bis(azanediyl))bis(propane-2,1-diyl))bis(2-methoxybenzenesulfonamide)

5,5'-((2R,2'R)-(((1,2-Phenylenebis(oxy))bis(ethane-2,1-diyl))bis(azanediyl))bis(propane-2,1-diyl))bis(2-methoxybenzenesulfonamide)


  • Catalogue No.:PA 47 0741013

  • CAS :

    NA

  • Molecular Formula : C30H42N4O8S2

  • Molecular Weight : 650.81

Drug Reference Standards & Impurity Synthesis in India
PA 47 0741014

2,2'-((Oxybis(ethane-2,1-diyl))bis(oxy))bis(ethoxybenzene)

2,2'-((Oxybis(ethane-2,1-diyl))bis(oxy))bis(ethoxybenzene)


  • Catalogue No.:PA 47 0741014

  • CAS :

    NA

  • Molecular Formula : C20H26O5

  • Molecular Weight : 346.42

Drug Reference Standards & Impurity Synthesis in India
PA IMPM051

Tamsulosin Impurity A (IMPM051)

Tamsulosin Impurity A (IMPM051)


  • Catalogue No.:PA IMPM051

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

Drug Reference Standards & Impurity Synthesis in India
PA IMPT059

Tamsulosin Impurity B (IMPT059)

Tamsulosin Impurity B (IMPT059)


  • Catalogue No.:PA IMPT059

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

Drug Reference Standards & Impurity Synthesis in India
PA IMPT057

Tamsulosin racemate (IMPT057)

Tamsulosin racemate (IMPT057)


  • Catalogue No.:PA IMPT057

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

Drug Reference Standards & Impurity Synthesis in India
PA 47 0741015

5-(2-((2-(2-Ethoxyphenoxy)ethyl)amino)propyl)-2-methoxybenzenesulfonamide Maleate

5-(2-((2-(2-Ethoxyphenoxy)ethyl)amino)propyl)-2-methoxybenzenesulfonamide Maleate


  • Catalogue No.:PA 47 0741015

  • CAS :

    882494-08-8

  • Molecular Formula : C24H32N2O9S

  • Molecular Weight : 524.59

Drug Reference Standards & Impurity Synthesis in India
PA 47 0741016

5-(2-((2-(2-Ethoxyphenoxy)ethyl)(nitroso)amino)propyl)-2-methoxybenzenesulfonamide

5-(2-((2-(2-Ethoxyphenoxy)ethyl)(nitroso)amino)propyl)-2-methoxybenzenesulfonamide


  • Catalogue No.:PA 47 0741016

  • CAS :

    NA

  • Molecular Formula : C20H27N3O6S

  • Molecular Weight : 437.51

Drug Reference Standards & Impurity Synthesis in India
PA STI 089442

N-Nitroso Tamsulosin-d4

N-Nitroso Tamsulosin-d4


  • Catalogue No.:PA STI 089442

  • CAS :

    NA

  • Molecular Formula : C20H23D4N3O6S

  • Molecular Weight : 441.54

Drug Reference Standards & Impurity Synthesis in India
PA STI 089452

N-Nitroso Tamsulosin-D3 (Racemic)

N-Nitroso Tamsulosin-D3 (Racemic)


  • Catalogue No.:PA STI 089452

  • CAS :

    NA

  • Molecular Formula : C20H24D3N3O6S

  • Molecular Weight : 440.53

Drug Reference Standards & Impurity Synthesis in India
PA 47 0741017

Methoxy Rac-Tamsulosin

Methoxy Rac-Tamsulosin


  • Catalogue No.:PA 47 0741017

  • CAS :

    94666-11-2

  • Molecular Formula : C19H26N2O5S

  • Molecular Weight : 394.49

Drug Reference Standards & Impurity Synthesis in India
PA 47 0741018

(R)-5-(2-((2-(2-Ethoxyphenoxy)ethyl)(ethyl)amino)propyl)-2-methoxybenzenesulfonamide

(R)-5-(2-((2-(2-Ethoxyphenoxy)ethyl)(ethyl)amino)propyl)-2-methoxybenzenesulfonamide


  • Catalogue No.:PA 47 0741018

  • CAS :

    NA

  • Molecular Formula : C22H32N2O5S

  • Molecular Weight : 436.57

Drug Reference Standards & Impurity Synthesis in India
PA 47 0741019

N-Nitroso (S) Tamsulosin

N-Nitroso (S) Tamsulosin


  • Catalogue No.:PA 47 0741019

  • CAS :

    NA

  • Molecular Formula : C20H27N3O6S

  • Molecular Weight : 437.51

Drug Reference Standards & Impurity Synthesis in India
PA 47 0741020

Methyl 3-(4-methoxyphenyl)-2-methyloxirane-2-carboxylate

Methyl 3-(4-methoxyphenyl)-2-methyloxirane-2-carboxylate


  • Catalogue No.:PA 47 0741020

  • CAS :

    92119-04-5

  • Molecular Formula : C12H14O4

  • Molecular Weight : 222.24

Drug Reference Standards & Impurity Synthesis in India
PA 47 0741021

(S)-5-(2-Aminopropyl)-2-methoxybenzenesulfonamide

(S)-5-(2-Aminopropyl)-2-methoxybenzenesulfonamide


  • Catalogue No.:PA 47 0741021

  • CAS :

    119714-13-5

  • Molecular Formula : C10H16N2O3S

  • Molecular Weight : 244.31

Drug Reference Standards & Impurity Synthesis in India
PA 47 0741022

Methoxy Rac-Tamsulosin Hydrochloride

Methoxy Rac-Tamsulosin Hydrochloride


  • Catalogue No.:PA 47 0741022

  • CAS :

    80223-96-7

  • Molecular Formula : C19H27ClN2O5S

  • Molecular Weight : 430.94

Drug Reference Standards & Impurity Synthesis in India
PA 47 0741023

Tamsulosin N-Ethyl

Tamsulosin N-Ethyl


  • Catalogue No.:PA 47 0741023

  • CAS :

    NA

  • Molecular Formula : C12H20N2O3S

  • Molecular Weight : 272.36

Drug Reference Standards & Impurity Synthesis in India
PA 47 0741024

(S)-2-(2-Ethoxyphenoxy)-N-(1-(4-methoxy-3-sulfamoylphenyl)propan-2-yl)acetamide

(S)-2-(2-Ethoxyphenoxy)-N-(1-(4-methoxy-3-sulfamoylphenyl)propan-2-yl)acetamide


  • Catalogue No.:PA 47 0741024

  • CAS :

    133261-17-3

  • Molecular Formula : C20H26N2O6S

  • Molecular Weight : 422.5

Drug Reference Standards & Impurity Synthesis in India
PA 47 0741025

Tmasulosin Ether Dimer

Tmasulosin Ether Dimer


  • Catalogue No.:PA 47 0741025

  • CAS :

    NA

  • Molecular Formula : C32H42N4O10S2

  • Molecular Weight : 706.83

Drug Reference Standards & Impurity Synthesis in India
PA 47 0741026

Tamsulosin Diether

Tamsulosin Diether


  • Catalogue No.:PA 47 0741026

  • CAS :

    NA

  • Molecular Formula : C30H40N2O7S

  • Molecular Weight : 572.72

Drug Reference Standards & Impurity Synthesis in India
PA 47 0741027

Tamsulosin Oxo Dimer

Tamsulosin Oxo Dimer


  • Catalogue No.:PA 47 0741027

  • CAS :

    NA

  • Molecular Formula : C32H44N4O9S2

  • Molecular Weight : 692.84

Drug Reference Standards & Impurity Synthesis in India
PA 47 0741028

(Z)-2-Methoxy-5-(prop-1-en-1-yl)benzenesulfonamide

(Z)-2-Methoxy-5-(prop-1-en-1-yl)benzenesulfonamide


  • Catalogue No.:PA 47 0741028

  • CAS :

    NA

  • Molecular Formula : C10H13NO3S

  • Molecular Weight : 227.28

Drug Reference Standards & Impurity Synthesis in India
PA 47 0741029

2-(2-Methoxyphenoxy)-N-methylethan-1-amine Hydrochloride

2-(2-Methoxyphenoxy)-N-methylethan-1-amine Hydrochloride


  • Catalogue No.:PA 47 0741029

  • CAS :

    2087-35-6

  • Molecular Formula : C10H16ClNO2

  • Molecular Weight : 217.69

Drug Reference Standards & Impurity Synthesis in India
PA STI 089905

Tamsulosin D5

Tamsulosin D5


  • Catalogue No.:PA STI 089905

  • CAS :

    1092970-47-2

  • Molecular Formula : C20H23D5N2O5S

  • Molecular Weight : 413.54

Drug Reference Standards & Impurity Synthesis in India
PA 47 0741030

(R)-5-(2-(1-(2-(2-Ethoxyphenoxy)ethyl)ureido)propyl)-2-methoxybenzenesulfonamide

(R)-5-(2-(1-(2-(2-Ethoxyphenoxy)ethyl)ureido)propyl)-2-methoxybenzenesulfonamide


  • Catalogue No.:PA 47 0741030

  • CAS :

    NA

  • Molecular Formula : C21H29N3O6S

  • Molecular Weight : 451.54

Drug Reference Standards & Impurity Synthesis in India
PA 47 0741031

Tamsulosin Maltose Adduct

Tamsulosin Maltose Adduct


  • Catalogue No.:PA 47 0741031

  • CAS :

    NA

  • Molecular Formula : C32H48N2O15S

  • Molecular Weight : 732.8

Drug Reference Standards & Impurity Synthesis in India
PA 47 0741032

Tamsulosin Glucose Adduct

Tamsulosin Glucose Adduct


  • Catalogue No.:PA 47 0741032

  • CAS :

    NA

  • Molecular Formula : C26H38N2O10S

  • Molecular Weight : 570.65

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