Citric Acid-impurities | Pharmaffiliates

citric acid

Citric acid was first isolated in 1784 by the chemist Carl Wilhelm Scheele, who crystallized it from lemon juice. It is a weak organic acid that has the chemical formula C.. Reference standards of Citric Acid API, and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below

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    [pname] => Citric Acid - API Standards 
    [catalogue_number] => PA 03 58000
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    [chemical_name] => 
    [weight] => 192.12
    [form] => C6H8O7
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PA 03 58000

Citric Acid - API Standards


  • Catalogue No.:PA 03 58000

  • CAS :

    77-92-9

  • Molecular Formula : C6H8O7

  • Molecular Weight : 192.12

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    [pname] => Citric Acid-2,2,4,4-d4
    [catalogue_number] => PA STI 021780
    [category_ids] => ,78,70,82,98,
    [chemical_name] => 
    [weight] => 196.15
    [form] => C6H4D4O7
    [cas] => 147664-83-3
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PA STI 021780

Citric Acid-2,2,4,4-d4


  • Catalogue No.:PA STI 021780

  • CAS :

    147664-83-3

  • Molecular Formula : C6H4D4O7

  • Molecular Weight : 196.15

stdClass Object
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    [pname] => Sodium Citrate-2,2,4,4-d4
    [catalogue_number] => PA STI 088427
    [category_ids] => ,98,78,70,82,
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    [weight] => 262.09
    [form] => C6HD4Na3O7
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PA STI 088427

Sodium Citrate-2,2,4,4-d4


  • Catalogue No.:PA STI 088427

  • CAS :

    NA

  • Molecular Formula : C6HD4Na3O7

  • Molecular Weight : 262.09