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
stdClass Object
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[pname] => Astemizole
[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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Catalogue No.:PA 01 81000
Molecular Formula : C28H31FN4O
Molecular Weight : 458.57
stdClass Object
(
[pname] => O-Desmethyl Astemizole
[catalogue_number] => PA 01 81510
[category_ids] => ,76,75,78,70,82,
[chemical_name] =>
[weight] => 444.54
[form] => C27H29FN4O
[cas] => 73736-50-2
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Catalogue No.:PA 01 81510
Molecular Formula : C27H29FN4O
Molecular Weight : 444.54
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
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N-Ethoxycarbonyl Norastemizole
Catalogue No.:PA 01 81520
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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Catalogue No.:PA STI 009120
Molecular Formula : C28H28D3FN4O
Molecular Weight : 461.59
stdClass Object
(
[pname] => Norastemizole Hydrobromide
[catalogue_number] => PA 01 81530
[category_ids] => ,78,70,82,
[chemical_name] =>
[weight] => 486.22
[form] => C19H23Br2FN4
[cas] => 75970-64-8
[pslug] => 75970-64-8-norastemizole-hydrobromide-pa0181530
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Norastemizole Hydrobromide
Catalogue No.:PA 01 81530
Molecular Formula : C19H23Br2FN4
Molecular Weight : 486.22
stdClass Object
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[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
[pslug] => o-desmethyl-astemizole-d5-pasti089308
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O-Desmethyl Astemizole-d5
Catalogue No.:PA STI 089308
Molecular Formula : C27H24D5FN4O
Molecular Weight : 449.58
