acetylsalicylic acid
Acetyl Salicyclic acid (ASA) is an acetyl derivative of salicylic acid and its common name is Aspirin. It is used in the treatment of pain, fever, and inflammation. Aspirin or acetylsalicylic acid is perhaps the most commonly used analgesic and antipyretic medication worldwide. Reference standards of Acetylsalicylic Acid API, and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.
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[catalogue_number] => PA 01 18000
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[weight] => 180.16
[form] => C9H8O4
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Catalogue No.:PA 01 18000
Molecular Formula : C9H8O4
Molecular Weight : 180.16
stdClass Object
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[pname] => Acetylsalicylic Acid - Impurity A
[catalogue_number] => PA 01 18010
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[chemical_name] =>
[weight] => 138.12
[form] => C7H6O3
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Acetylsalicylic Acid - Impurity A
Catalogue No.:PA 01 18010
Molecular Formula : C7H6O3
Molecular Weight : 138.12
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[catalogue_number] => PA 01 18030
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[weight] => 138.12
[form] => C7H6O3
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Acetylsalicylic Acid - Impurity C
Catalogue No.:PA 01 18030
Molecular Formula : C7H6O3
Molecular Weight : 138.12
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[pname] => Acetylsalicylic Acid - Impurity E
[catalogue_number] => PA 01 18050
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[chemical_name] =>
[weight] => 258.23
[form] => C14H10O5
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Acetylsalicylic Acid - Impurity E
Catalogue No.:PA 01 18050
Molecular Formula : C14H10O5
Molecular Weight : 258.23
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[catalogue_number] => PA 01 18520
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[chemical_name] =>
[weight] => 138.12
[form] => C7H6O3 + C8H6O5 + C16H12O6 + C14H10O5 + C18H14O7
[cas] => NA
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Mixture of Acetylsalicylic Acid Impurity A, Impurity B, Impurity D, Impurity E and Impurity F
Catalogue No.:PA 01 18520
Molecular Formula : C7H6O3 + C8H6O5 + C16H12O6 + C14H10O5 + C18H14O7
Molecular Weight : 138.12
stdClass Object
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[pname] => 2-[[2-(Acetyloxy)benzoyl]oxy]benzoic Acid 2-Carboxyphenyl Ester
[catalogue_number] => PA 01 18530
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[weight] => 420.37
[form] => C23H16O8
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2-[[2-(Acetyloxy)benzoyl]oxy]benzoic Acid 2-Carboxyphenyl Ester
Catalogue No.:PA 01 18530
Molecular Formula : C23H16O8
Molecular Weight : 420.37
stdClass Object
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[catalogue_number] => PA 01 18540
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[weight] => 540.47
[form] => C30H20O10
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2-[[2-(Acetyloxy)benzoyl]oxy]benzoic Acid 2-[(2-Carboxyphenoxy)carbonyl]phenyl Ester
Catalogue No.:PA 01 18540
Molecular Formula : C30H20O10
Molecular Weight : 540.47
stdClass Object
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[pname] => 2-[[2-[[2-(Acetyloxy)benzoyl]oxy]benzoyl]oxy]benzoic Acid 2-[(2-Carboxyphenoxy)carbonyl]phenyl Ester
[catalogue_number] => PA 01 18550
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[chemical_name] =>
[weight] => 660.58
[form] => C37H24O12
[cas] => 85531-19-7
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2-[[2-[[2-(Acetyloxy)benzoyl]oxy]benzoyl]oxy]benzoic Acid 2-[(2-Carboxyphenoxy)carbonyl]phenyl Ester
Catalogue No.:PA 01 18550
Molecular Formula : C37H24O12
Molecular Weight : 660.58
stdClass Object
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[pname] => 2-[[2-[[2-(Acetyloxy)benzoyl]oxy]benzoyl]oxy]benzoic Acid 2-[[2-[(2-carboxyphenoxy)carbonyl]phenoxy]carbonyl]phenyl Ester
[catalogue_number] => PA 01 18560
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[weight] => 780.68
[form] => C44H28O14
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2-[[2-[[2-(Acetyloxy)benzoyl]oxy]benzoyl]oxy]benzoic Acid 2-[[2-[(2-carboxyphenoxy)carbonyl]phenoxy]carbonyl]phenyl Ester
Catalogue No.:PA 01 18560
Molecular Formula : C44H28O14
Molecular Weight : 780.68
stdClass Object
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[pname] => Salicyl Sulfate Disodium Salt
[catalogue_number] => PA 01 0181000
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[weight] => 262.14
[form] => C7H4Na2O6S
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Salicyl Sulfate Disodium Salt
Catalogue No.:PA 01 0181000
Molecular Formula : C7H4Na2O6S
Molecular Weight : 262.14
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[pname] => 2-Acetoxybenzoic 2-hydroxybenzoic anhydride
[catalogue_number] => PA 01 0181001
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[weight] => 300.27
[form] => C16H12O6
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2-Acetoxybenzoic 2-hydroxybenzoic anhydride
Catalogue No.:PA 01 0181001
Molecular Formula : C16H12O6
Molecular Weight : 300.27
stdClass Object
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[pname] => Acetic 2-acetoxybenzoic anhydride
[catalogue_number] => PA 01 0181002
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[weight] => 222.2
[form] => C11H10O5
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Acetic 2-acetoxybenzoic anhydride
stdClass Object
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[pname] => 5-Acetyl-2-hydroxybenzoic Acid Methyl Ester
[catalogue_number] => PA 01 0181003
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[chemical_name] =>
[weight] => 194.19
[form] => C10H10O4
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5-Acetyl-2-hydroxybenzoic Acid Methyl Ester
Catalogue No.:PA 01 0181003
Molecular Formula : C10H10O4
Molecular Weight : 194.19
stdClass Object
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[pname] => Acetylsalicylic acid acyl-d-glucuronide (aspirin acyl-d-glucuronide)
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[chemical_name] =>
[weight] => 356.28
[form] => C15H16O10
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Acetylsalicylic acid acyl-d-glucuronide (aspirin acyl-d-glucuronide)
Catalogue No.:PA 01 0181004
Molecular Formula : C15H16O10
Molecular Weight : 356.28
stdClass Object
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[pname] => Mono-Methyl Terephthalate
[catalogue_number] => PA 27 0023498
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[weight] => 180.16
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Mono-Methyl Terephthalate
Catalogue No.:PA 27 0023498
Molecular Formula : C9H8O4
Molecular Weight : 180.16
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3-Acetyl-2-hydroxybenzoic Acid
Catalogue No.:PA 01 0181005
Molecular Formula : C9H8O4
Molecular Weight : 180.16
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5-Acetyl-2-hydroxybenzoic Acid
Catalogue No.:PA 01 0181006
Molecular Formula : C9H8O4
Molecular Weight : 180.16
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[pname] => Adipoyl Disalicylate
[catalogue_number] => PA 01 0181007
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[weight] => 386.36
[form] => C20H18O8
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Catalogue No.:PA 01 0181007
Molecular Formula : C20H18O8
Molecular Weight : 386.36
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[weight] => 266.25
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2-((5-Carboxypentanoyl)oxy)benzoic Acid
Catalogue No.:PA 01 0181008
Molecular Formula : C13H14O6
Molecular Weight : 266.25
