Doxazosin-impurities | Pharmaffiliates

doxazosin and its Impurities

A mesylate form of Doxazocin, which is an α1-selective alpha blocker, Doxazocin is used for the treatment of high blood pressure. It is a derivative of quinazoline.. Reference standards of Doxazosin API, and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below

Displaying 23 results for doxazosin Impurities
PA 04 43000

Doxazosin - API

Doxazosin


  • Catalogue No.:PA 04 43000

  • CAS :

    74191-85-8

  • Molecular Formula : C23H25N5O5

  • Molecular Weight : 451.48

PA 04 44510

1-(1,4-Benzodioxan-2-ylcarbonyl)piperazine

1-(1,4-Benzodioxan-2-ylcarbonyl)piperazine


  • Catalogue No.:PA 04 44510

  • CAS :

    70918-00-2

  • Molecular Formula : C13H16N2O3

  • Molecular Weight : 248.28

PA STI 010620

1-(1,4-Benzodioxan-2-ylcarbonyl)piperazine-d8

1-(1,4-Benzodioxan-2-ylcarbonyl)piperazine-d8


  • Catalogue No.:PA STI 010620

  • CAS :

    1006717-20-9

  • Molecular Formula : C13H8D8N2O3

  • Molecular Weight : 256.33

PA STI 036310

Doxazosin-d8 Hydrochloride

Doxazosin-d8 Hydrochloride


  • Catalogue No.:PA STI 036310

  • CAS :

    1219803-95-8

  • Molecular Formula : C23H18D8ClN5O5

  • Molecular Weight : 495.99

PA USP1225452

Doxazosin Related Compound C (2-chloro-4-amino-6,7-dimethoxyquinazoline) (1225452)

Doxazosin Related Compound C (2-chloro-4-amino-6,7-dimethoxyquinazoline) (1225452)


  • Catalogue No.:PA USP1225452

  • CAS :

    23680-84-4

  • Molecular Formula : NA

  • Molecular Weight : NA

PA USP1225474

Doxazosin Related Compound E (2,4-dichloro-6,7-dimethoxyquinazoline) (1225474)

Doxazosin Related Compound E (2,4-dichloro-6,7-dimethoxyquinazoline) (1225474)


  • Catalogue No.:PA USP1225474

  • CAS :

    27631-29-4

  • Molecular Formula : NA

  • Molecular Weight : NA

PA USP1225441

Doxazosin Related Compound B (6,7-dimethoxyquinazoline-2,4-dione) (1225441)

Doxazosin Related Compound B (6,7-dimethoxyquinazoline-2,4-dione) (1225441)


  • Catalogue No.:PA USP1225441

  • CAS :

    28888-44-0

  • Molecular Formula : NA

  • Molecular Weight : NA

PA USP1225463

Doxazosin Related Compound D (1,4-benzodioxane-2-carboxylic acid) (1225463)

Doxazosin Related Compound D (1,4-benzodioxane-2-carboxylic acid) (1225463)


  • Catalogue No.:PA USP1225463

  • CAS :

    3663-80-7

  • Molecular Formula : NA

  • Molecular Weight : NA

PA USP1225485

Doxazosin Related Compound F (N,N'-bis(1,4-benzodioxane-2-carbonyl)piperazine) (1225485)

Doxazosin Related Compound F (N,N'-bis(1,4-benzodioxane-2-carbonyl)piperazine) (1225485)


  • Catalogue No.:PA USP1225485

  • CAS :

    617677-53-9

  • Molecular Formula : NA

  • Molecular Weight : NA

PA USP1225420

Doxazosin Related Compound A (N-(1,4-benzodioxane-2-carbonyl)piperazine hydrochloride) (1225420)

Doxazosin Related Compound A (N-(1,4-benzodioxane-2-carbonyl)piperazine hydrochloride) (1225420)


  • Catalogue No.:PA USP1225420

  • CAS :

    70918-74-0

  • Molecular Formula : NA

  • Molecular Weight : NA

PA USP1225419

Doxazosin Mesylate (1225419)

Doxazosin Mesylate (1225419)


  • Catalogue No.:PA USP1225419

  • CAS :

    77883-43-3

  • Molecular Formula : NA

  • Molecular Weight : NA

PA EPY0000553

Doxazosin mesilate (Y0000553)

Doxazosin mesilate (Y0000553)


  • Catalogue No.:PA EPY0000553

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

PA EPY0000551

Doxazosin impurity D (Y0000551)

Doxazosin impurity D (Y0000551)


  • Catalogue No.:PA EPY0000551

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

PA EPY0000552

Doxazosin impurity F (Y0000552)

Doxazosin impurity F (Y0000552)


  • Catalogue No.:PA EPY0000552

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

PA JP0064

Doxazosin Mesilate (JP 0064)

Doxazosin Mesilate (JP 0064)


  • Catalogue No.:PA JP0064

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

PAI 04 017010

2,3-Dihydro-1,4-benzodioxin-2-carboxylic Acid Ethyl Ester

2,3-Dihydro-1,4-benzodioxin-2-carboxylic Acid Ethyl Ester


  • Catalogue No.:PAI 04 017010

  • CAS :

    4739-94-0

  • Molecular Formula : C11H12O4

  • Molecular Weight : 208.21

PA 04 44520

7'-Hydroxy Doxazosin

7'-Hydroxy Doxazosin


  • Catalogue No.:PA 04 44520

  • CAS :

    102932-28-5

  • Molecular Formula : C23H25N5O6

  • Molecular Weight : 467.48

PA STI 088326

(±)-Doxazosin-d8 (piperazine-d8)

(±)-Doxazosin-d8 (piperazine-d8)


  • Catalogue No.:PA STI 088326

  • CAS :

    1126848-44-9

  • Molecular Formula : C23H17D8N5O5

  • Molecular Weight : 459.53

PA 04 0431000

7-Hydroxy Doxazosin

7-Hydroxy Doxazosin


  • Catalogue No.:PA 04 0431000

  • CAS :

    102932-25-2

  • Molecular Formula : C22H23N5O5

  • Molecular Weight : 437.46

PA 04 0431001

6-Hydroxy Doxazosin

6-Hydroxy Doxazosin


  • Catalogue No.:PA 04 0431001

  • CAS :

    102932-26-3

  • Molecular Formula : C22H23N5O5

  • Molecular Weight : 437.46

PA 04 0431002

6’-Hydroxy Doxazosin

6’-Hydroxy Doxazosin


  • Catalogue No.:PA 04 0431002

  • CAS :

    102932-29-6

  • Molecular Formula : C23H25N5O6

  • Molecular Weight : 467.48

PA 04 0441000

(S)-(+)-Doxazosin

(S)-(+)-Doxazosin


  • Catalogue No.:PA 04 0441000

  • CAS :

    104874-86-4

  • Molecular Formula : C23H25N5O5

  • Molecular Weight : 451.48

PA 04 0431003

1-(4-(4-Amino-6,7-dimethoxyquinazolin-2-yl)piperazin-1-yl)ethanone

1-(4-(4-Amino-6,7-dimethoxyquinazolin-2-yl)piperazin-1-yl)ethanone


  • Catalogue No.:PA 04 0431003

  • CAS :

    695217-74-4

  • Molecular Formula : C16H21N5O3

  • Molecular Weight : 331.38