Astemizole-impurities | Pharmaffiliates

astemizole

Astemizole is rapidly absorbed from the gastrointestinal tract and competitively binds to histamine H1 receptor sites in the gastrointestinal tract, uterus, blood vessels, and bronchial muscle. It is a histamine H1-receptor antagonist. It has anticholinergic and antipruritic effects.. Reference standards of Astemizole API, and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below

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    [pname] => Astemizole - API Standards 
    [catalogue_number] => PA 01 81000
    [category_ids] => ,70,71,78,79,80,82,
    [chemical_name] => 
    [weight] => 458.57
    [form] => C28H31FN4O
    [cas] => 68844-77-9
    [pslug] => 68844-77-9-astemizole-api-pa0181000
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PA 01 81000

Astemizole - API Standards


  • Catalogue No.:PA 01 81000

  • CAS :

    68844-77-9

  • Molecular Formula : C28H31FN4O

  • Molecular Weight : 458.57

stdClass Object
(
    [pname] => N-Ethoxycarbonyl Norastemizole
    [catalogue_number] => PA 01 81520
    [category_ids] => ,80,71,78,70,82,
    [chemical_name] => 
    [weight] => 396.46
    [form] => C22H25FN4O2
    [cas] => 84501-68-8
    [pslug] => 84501-68-8-n-ethoxycarbonyl-norastemizole-pa0181520
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PA 01 81520

N-Ethoxycarbonyl Norastemizole


  • Catalogue No.:PA 01 81520

  • CAS :

    84501-68-8

  • Molecular Formula : C22H25FN4O2

  • Molecular Weight : 396.46

stdClass Object
(
    [pname] => Astemizole-d3
    [catalogue_number] => PA STI 009120
    [category_ids] => ,79,80,71,78,70,82,98,
    [chemical_name] => 
    [weight] => 461.59
    [form] => C28H28D3FN4O
    [cas] => 1189961-39-4
    [pslug] => 1189961-39-4-astemizole-d3-pasti009120
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PA STI 009120

Astemizole-d3


  • Catalogue No.:PA STI 009120

  • CAS :

    1189961-39-4

  • Molecular Formula : C28H28D3FN4O

  • Molecular Weight : 461.59

stdClass Object
(
    [pname] => O-Desmethyl Astemizole-d5
    [catalogue_number] => PA STI 089308
    [category_ids] => ,79,80,71,78,70,82,98,
    [chemical_name] => 
    [weight] => 449.58
    [form] => C27H24D5FN4O
    [cas] => NA
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PA STI 089308

O-Desmethyl Astemizole-d5


  • Catalogue No.:PA STI 089308

  • CAS :

    NA

  • Molecular Formula : C27H24D5FN4O

  • Molecular Weight : 449.58