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.

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    [pname] => Terazosin - API Standards 
    [catalogue_number] => PA 20 3060000
    [category_ids] => ,75,76,78,70,82,
    [chemical_name] => 
    [weight] => 387.44
    [form] => C19H25N5O4
    [cas] => 63590-64-7
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PA 20 3060000

Terazosin - API Standards


  • Catalogue No.:PA 20 3060000

  • CAS :

    63590-64-7

  • Molecular Formula : C19H25N5O4

  • Molecular Weight : 387.44

stdClass Object
(
    [pname] => 1-[4-(4-Amino-6,7-dimethoxy-2-quinazolinyl)-1-piperazinyl]-5-hydroxy-1-pentanone-d8
    [catalogue_number] => PA STI 088226
    [category_ids] => ,80,71,75,78,70,82,98,
    [chemical_name] => 
    [weight] => 397.50
    [form] => C19H19D8N5O4
    [cas] => 2732980-69-5
    [pslug] => 2732980-69-5-1-4-4-amino-6-7-dimethoxy-2-quinazolinyl-1-piperazinyl-5-hydroxy-1-pentanone-d8-pasti088226
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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 :

    2732980-69-5

  • Molecular Formula : C19H19D8N5O4

  • Molecular Weight : 397.50

stdClass Object
(
    [pname] => [4-(4-Amino-6,7-dimethoxy-2-quinazolinyl)-1-piperazinyl][(5S)-tetrahydro-5-methyl-2-furanyl]methanone-d8
    [catalogue_number] => PA STI 088227
    [category_ids] => ,80,71,75,78,70,82,98,
    [chemical_name] => 
    [weight] => 409.51
    [form] => C20H19D8N5O4
    [cas] => 2714488-83-0
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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 :

    2714488-83-0

  • Molecular Formula : C20H19D8N5O4

  • Molecular Weight : 409.51

stdClass Object
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    [pname] => 1-(4-(4-Amino-6,7-dimethoxyquinazolin-2-yl)piperazin-1-yl-2,2,3,3,5,5,6,6-d8)-2-hydroxypentan-1-one
    [catalogue_number] => PA STI 088228
    [category_ids] => ,80,71,75,78,70,82,98,
    [chemical_name] => 
    [weight] => 397.50
    [form] => C19H19D8N5O4
    [cas] => 2714408-48-5
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PA STI 088228

1-(4-(4-Amino-6,7-dimethoxyquinazolin-2-yl)piperazin-1-yl-2,2,3,3,5,5,6,6-d8)-2-hydroxypentan-1-one


  • Catalogue No.:PA STI 088228

  • CAS :

    2714408-48-5

  • Molecular Formula : C19H19D8N5O4

  • Molecular Weight : 397.50

stdClass Object
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    [pname] => (4-(4-Amino-6-hydroxy-7-methoxyquinazolin-2-yl)piperazin-1-yl-2,2,3,3,5,5,6,6-d8)(tetrahydrofuran-2-yl)methanone
    [catalogue_number] => PA STI 088229
    [category_ids] => ,80,71,75,78,70,82,98,
    [chemical_name] => 
    [weight] => 381.46
    [form] => C18H15D8N5O4
    [cas] => 2714485-00-2
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PA STI 088229

(4-(4-Amino-6-hydroxy-7-methoxyquinazolin-2-yl)piperazin-1-yl-2,2,3,3,5,5,6,6-d8)(tetrahydrofuran-2-yl)methanone


  • Catalogue No.:PA STI 088229

  • CAS :

    2714485-00-2

  • Molecular Formula : C18H15D8N5O4

  • Molecular Weight : 381.46

stdClass Object
(
    [pname] => (4-(4-Amino-7-hydroxy-6-methoxyquinazolin-2-yl)piperazin-1-yl-2,2,3,3,5,5,6,6-d8)(tetrahydrofuran-2-yl)methanone
    [catalogue_number] => PA STI 088230
    [category_ids] => ,80,71,75,78,70,82,98,
    [chemical_name] => 
    [weight] => 381.46
    [form] => C18H15D8N5O4
    [cas] => 2714430-62-1
    [pslug] => 2714430-62-1-4-4-amino-7-hydroxy-6-methoxyquinazolin-2-yl-piperazin-1-yl-2-2-3-3-5-5-6-6-d8-tetrahydrofuran-2-yl-methanone-pasti088230
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PA STI 088230

(4-(4-Amino-7-hydroxy-6-methoxyquinazolin-2-yl)piperazin-1-yl-2,2,3,3,5,5,6,6-d8)(tetrahydrofuran-2-yl)methanone


  • Catalogue No.:PA STI 088230

  • CAS :

    2714430-62-1

  • Molecular Formula : C18H15D8N5O4

  • Molecular Weight : 381.46

stdClass Object
(
    [pname] => 4-Amino-6,7-dimethoxyquinazolin-2(1H)-one Hydrochloride
    [catalogue_number] => PA 20 0111001
    [category_ids] => ,70,75,76,78,82,
    [chemical_name] => 
    [weight] => 257.67
    [form] => C10H12ClN3O3
    [cas] => 134749-43-2
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PA 20 0111001

4-Amino-6,7-dimethoxyquinazolin-2(1H)-one Hydrochloride


  • Catalogue No.:PA 20 0111001

  • CAS :

    134749-43-2

  • Molecular Formula : C10H12ClN3O3

  • Molecular Weight : 257.67

stdClass Object
(
    [pname] => 2-Hydroxy-1-(piperazin-1-yl)pentan-1-one
    [catalogue_number] => PAI 20 306002
    [category_ids] => ,75,76,78,70,82,
    [chemical_name] => 
    [weight] => 186.26
    [form] => C9H18N2O2
    [cas] => 1537852-27-9
    [pslug] => 1537852-27-9-2-hydroxy-1-piperazin-1-yl-pentan-1-one-pai20306002
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PAI 20 306002

2-Hydroxy-1-(piperazin-1-yl)pentan-1-one


  • Catalogue No.:PAI 20 306002

  • CAS :

    1537852-27-9

  • Molecular Formula : C9H18N2O2

  • Molecular Weight : 186.26

stdClass Object
(
    [pname] => Tert-butyl 4-(2-hydroxypentanoyl)piperazine-1-carboxylate
    [catalogue_number] => PAI 20 306001
    [category_ids] => ,75,76,78,70,82,
    [chemical_name] => 
    [weight] => 286.37
    [form] => C14H26N2O4
    [cas] => NA
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PAI 20 306001

Tert-butyl 4-(2-hydroxypentanoyl)piperazine-1-carboxylate


  • Catalogue No.:PAI 20 306001

  • CAS :

    NA

  • Molecular Formula : C14H26N2O4

  • Molecular Weight : 286.37

stdClass Object
(
    [pname] => N'-Methyl-N,N-diphenylurea
    [catalogue_number] => PA 20 0111000
    [category_ids] => ,75,76,78,70,82,
    [chemical_name] => 
    [weight] => 226.28
    [form] => C14H14N2O
    [cas] => 13114-72-2
    [pslug] => 13114-72-2-n-methyl-n-n-diphenylurea-pa200111000
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PA 20 0111000

N'-Methyl-N,N-diphenylurea


  • Catalogue No.:PA 20 0111000

  • CAS :

    13114-72-2

  • Molecular Formula : C14H14N2O

  • Molecular Weight : 226.28

stdClass Object
(
    [pname] => 2-Hydroxypentanoyl Chloride
    [catalogue_number] => PAI 20 306003
    [category_ids] => ,75,76,78,70,82,
    [chemical_name] => 
    [weight] => 136.58
    [form] => C5H9ClO2
    [cas] => NA
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PAI 20 306003

2-Hydroxypentanoyl Chloride


  • Catalogue No.:PAI 20 306003

  • CAS :

    NA

  • Molecular Formula : C5H9ClO2

  • Molecular Weight : 136.58

stdClass Object
(
    [pname] => (4-Nitrosopiperazin-1-yl)(tetrahydrofuran-2-yl)methanone
    [catalogue_number] => PA 20 3061000
    [category_ids] => ,70,75,76,78,82,162,
    [chemical_name] => 
    [weight] => 213.24
    [form] => C9H15N3O3
    [cas] => 2470438-57-2
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PA 20 3061000

(4-Nitrosopiperazin-1-yl)(tetrahydrofuran-2-yl)methanone


  • Catalogue No.:PA 20 3061000

  • CAS :

    2470438-57-2

  • Molecular Formula : C9H15N3O3

  • Molecular Weight : 213.24