Terazosin-impurities | Pharmaffiliates

terazosin

A quinazoline derivative which is an alpha-1-selective adrenoceptor blocking agent used on once-a-day basis for therapy of mild-to-moderate hypertension. Terazosin is indicated for the treatment of symptomatic benign prostatic hyperplasia (BPH). Reference standards of Terazosin API,and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.

PA STI 088226

1-[4-(4-Amino-6,7-dimethoxy-2-quinazolinyl)-1-piperazinyl]-5-hydroxy-1-pentanone-d8


  • Catalogue No.:PA STI 088226

  • CAS :

    NA

  • Molecular Formula : C19H19D8N5O4

  • Molecular Weight : 397.50

PA STI 088227

[4-(4-Amino-6,7-dimethoxy-2-quinazolinyl)-1-piperazinyl][(5S)-tetrahydro-5-methyl-2-furanyl]methanone-d8


  • Catalogue No.:PA STI 088227

  • CAS :

    NA

  • Molecular Formula : C20H19D8N5O4

  • Molecular Weight : 409.51

PA STI 088228

1-[4-(4-Amino-6,7-dimethoxy-2-quinazolinyl)-1-piperazinyl]-2-hydroxy-1-pentanone-d8


  • Catalogue No.:PA STI 088228

  • CAS :

    NA

  • Molecular Formula : C19H19D8N5O4

  • Molecular Weight : 397.50

PA STI 088229

[4-(4-Amino-6-hydroxy-7-methoxy-2-quinazolinyl)-1-piperazinyl](tetrahydro-2-furanyl)methanone-d8


  • Catalogue No.:PA STI 088229

  • CAS :

    NA

  • Molecular Formula : C18H15D8N5O4

  • Molecular Weight : 381.46

PA STI 088230

[4-(4-Amino-7-hydroxy-6-methoxy-2-quinazolinyl)-1-piperazinyl](tetrahydro-2-furanyl)methanone-d8


  • Catalogue No.:PA STI 088230

  • CAS :

    NA

  • Molecular Formula : C18H15D8N5O4

  • Molecular Weight : 381.46

PA 20 11510

Terazosin Hydrochloride Dihydrate - Impurity I


  • Catalogue No.:PA 20 11510

  • CAS :

    1177261-85-6

  • Molecular Formula : C20H27N5O4

  • Molecular Weight : 401.46

PA 20 11520

Terazosin Hydrochloride Dihydrate - Impurity G


  • Catalogue No.:PA 20 11520

  • CAS :

    105356-89-6

  • Molecular Formula : C18H23N5O4

  • Molecular Weight : 373.41

PA 20 11530

Terazosin Hydrochloride Dihydrate - Impurity H


  • Catalogue No.:PA 20 11530

  • CAS :

    105356-90-9

  • Molecular Formula : C18H23N5O4

  • Molecular Weight : 373.41