acetylsalicylic acid

Fine Chemicals - 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.

stdClass Object
(
    [pname] => Acetylsalicylic Acid
    [catalogue_number] => PA 01 18000
    [category_ids] => ,80,78,70,82,
    [chemical_name] => 
    [weight] =>  180.16
    [form] => C9H8O4
    [cas] => 50-78-2
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PA 01 18000
PA 01 18000

Acetylsalicylic Acid


  • Catalogue No.:PA 01 18000

  • CAS :

    50-78-2

  • Molecular Formula : C9H8O4

  • Molecular Weight :  180.16

stdClass Object
(
    [pname] => Acetylsalicylic Acid - Impurity A
    [catalogue_number] => PA 01 18010
    [category_ids] => ,80,82,78,70,75,
    [chemical_name] => 
    [weight] => 138.12
    [form] => C7H6O3
    [cas] => 99-96-7
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PA 01 18010
PA 01 18010

Acetylsalicylic Acid - Impurity A


  • Catalogue No.:PA 01 18010

  • CAS :

    99-96-7

  • Molecular Formula : C7H6O3

  • Molecular Weight : 138.12

stdClass Object
(
    [pname] => Acetylsalicylic Acid - Impurity C
    [catalogue_number] => PA 01 18030
    [category_ids] => ,70,75,78,80,82,
    [chemical_name] => 
    [weight] => 138.12
    [form] => C7H6O3
    [cas] => 69-72-7
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PA 01 18030
PA 01 18030

Acetylsalicylic Acid - Impurity C


  • Catalogue No.:PA 01 18030

  • CAS :

    69-72-7

  • Molecular Formula : C7H6O3

  • Molecular Weight : 138.12

stdClass Object
(
    [pname] => Acetylsalicylic Acid - Impurity D
    [catalogue_number] => PA 01 18040
    [category_ids] => ,70,75,78,82,
    [chemical_name] => 
    [weight] => 300.26
    [form] => C16H12O6
    [cas] => 530-75-6
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PA 01 18040
PA 01 18040

Acetylsalicylic Acid - Impurity D


  • Catalogue No.:PA 01 18040

  • CAS :

    530-75-6

  • Molecular Formula : C16H12O6

  • Molecular Weight : 300.26

stdClass Object
(
    [pname] => Acetylsalicylic Acid - Impurity E
    [catalogue_number] => PA 01 18050
    [category_ids] => ,80,82,78,70,
    [chemical_name] => 
    [weight] => 258.23
    [form] => C14H10O5
    [cas] => 552-94-3
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PA 01 18050
PA 01 18050

Acetylsalicylic Acid - Impurity E


  • Catalogue No.:PA 01 18050

  • CAS :

    552-94-3

  • Molecular Formula : C14H10O5

  • Molecular Weight : 258.23

stdClass Object
(
    [pname] => Acetylsalicylic Acid - Impurity F
    [catalogue_number] => PA 01 18060
    [category_ids] => ,75,70,78,82,
    [chemical_name] => 
    [weight] =>   342.3
    [form] => C18H14O7
    [cas] => 1466-82-6
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PA 01 18060
PA 01 18060

Acetylsalicylic Acid - Impurity F


  • Catalogue No.:PA 01 18060

  • CAS :

    1466-82-6

  • Molecular Formula : C18H14O7

  • Molecular Weight :   342.3

stdClass Object
(
    [pname] => Mixture of Acetylsalicylic Acid  Impurity A, Impurity B, Impurity D, Impurity E and Impurity F
    [catalogue_number] => PA 01 18520
    [category_ids] => ,78,70,82,
    [chemical_name] => 
    [weight] => 138.12
    [form] => C7H6O3 + C8H6O5 + C16H12O6 + C14H10O5 + C18H14O7
    [cas] => NA
    [pslug] => mixture-of-acetylsalicylic-acid-impurity-a-impurity-b-impurity-d-impurity-e-and-impurity-f-pa0118520
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PA 01 18520
PA 01 18520

Mixture of Acetylsalicylic Acid Impurity A, Impurity B, Impurity D, Impurity E and Impurity F


  • Catalogue No.:PA 01 18520

  • CAS :

    NA

  • 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
    [category_ids] => ,80,78,70,82,
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    [weight] => 420.37
    [form] => C23H16O8
    [cas] => 85531-16-4
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PA 01 18530
PA 01 18530

2-[[2-(Acetyloxy)benzoyl]oxy]benzoic Acid 2-Carboxyphenyl Ester


  • Catalogue No.:PA 01 18530

  • CAS :

    85531-16-4

  • Molecular Formula : C23H16O8

  • Molecular Weight : 420.37

stdClass Object
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    [pname] => 2-[[2-(Acetyloxy)benzoyl]oxy]benzoic Acid 2-[(2-Carboxyphenoxy)carbonyl]phenyl Ester
    [catalogue_number] => PA 01 18540
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    [chemical_name] => 
    [weight] => 540.47
    [form] => C30H20O10
    [cas] => 85539-30-6
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PA 01 18540
PA 01 18540

2-[[2-(Acetyloxy)benzoyl]oxy]benzoic Acid 2-[(2-Carboxyphenoxy)carbonyl]phenyl Ester


  • Catalogue No.:PA 01 18540

  • CAS :

    85539-30-6

  • Molecular Formula : C30H20O10

  • Molecular Weight : 540.47

stdClass Object
(
    [pname] => 2-[[2-[[2-(Acetyloxy)benzoyl]oxy]benzoyl]oxy]benzoic Acid 2-[(2-Carboxyphenoxy)carbonyl]phenyl Ester
    [catalogue_number] => PA 01 18550
    [category_ids] => ,80,78,70,82,
    [chemical_name] => 
    [weight] => 660.58
    [form] => C37H24O12
    [cas] => 85531-19-7
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PA 01 18550
PA 01 18550

2-[[2-[[2-(Acetyloxy)benzoyl]oxy]benzoyl]oxy]benzoic Acid 2-[(2-Carboxyphenoxy)carbonyl]phenyl Ester


  • Catalogue No.:PA 01 18550

  • CAS :

    85531-19-7

  • Molecular Formula : C37H24O12

  • Molecular Weight : 660.58

stdClass Object
(
    [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
    [category_ids] => ,80,78,70,82,
    [chemical_name] => 
    [weight] => 780.68
    [form] => C44H28O14
    [cas] => 85531-20-0
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PA 01 18560
PA 01 18560

2-[[2-[[2-(Acetyloxy)benzoyl]oxy]benzoyl]oxy]benzoic Acid 2-[[2-[(2-carboxyphenoxy)carbonyl]phenoxy]carbonyl]phenyl Ester


  • Catalogue No.:PA 01 18560

  • CAS :

    85531-20-0

  • Molecular Formula : C44H28O14

  • Molecular Weight : 780.68

stdClass Object
(
    [pname] => Salicyl Sulfate Disodium Salt
    [catalogue_number] => PA 01 0181000
    [category_ids] => ,78,75,76,82,
    [chemical_name] => 
    [weight] => 262.14
    [form] => C7H4Na2O6S
    [cas] => 56343-01-2
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PA 01 0181000
PA 01 0181000

Salicyl Sulfate Disodium Salt


  • Catalogue No.:PA 01 0181000

  • CAS :

    56343-01-2

  • Molecular Formula : C7H4Na2O6S

  • Molecular Weight : 262.14

stdClass Object
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    [pname] => 2-Acetoxybenzoic 2-hydroxybenzoic anhydride
    [catalogue_number] => PA 01 0181001
    [category_ids] => ,70,75,76,78,82,
    [chemical_name] => 
    [weight] => 300.27
    [form] => C16H12O6
    [cas] => 2708578-72-5
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PA 01 0181001
PA 01 0181001

2-Acetoxybenzoic 2-hydroxybenzoic anhydride


  • Catalogue No.:PA 01 0181001

  • CAS :

    2708578-72-5

  • Molecular Formula : C16H12O6

  • Molecular Weight : 300.27

stdClass Object
(
    [pname] => Acetic 2-acetoxybenzoic anhydride
    [catalogue_number] => PA 01 0181002
    [category_ids] => ,75,76,78,70,82,
    [chemical_name] => 
    [weight] => 222.2
    [form] => C11H10O5
    [cas] => 18698-59-4
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PA 01 0181002
PA 01 0181002

Acetic 2-acetoxybenzoic anhydride


  • Catalogue No.:PA 01 0181002

  • CAS :

    18698-59-4

  • Molecular Formula : C11H10O5

  • Molecular Weight : 222.2

stdClass Object
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    [pname] => 5-Acetyl-2-hydroxybenzoic Acid Methyl Ester
    [catalogue_number] => PA 01 0181003
    [category_ids] => ,75,76,78,70,82,
    [chemical_name] => 
    [weight] => 194.19
    [form] => C10H10O4
    [cas] => 16475-90-4
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PA 01 0181003
PA 01 0181003

5-Acetyl-2-hydroxybenzoic Acid Methyl Ester


  • Catalogue No.:PA 01 0181003

  • CAS :

    16475-90-4

  • Molecular Formula : C10H10O4

  • Molecular Weight : 194.19

stdClass Object
(
    [pname] => Acetylsalicylic acid acyl-d-glucuronide (aspirin acyl-d-glucuronide)
    [catalogue_number] => PA 01 0181004
    [category_ids] => ,70,75,76,78,82,95,
    [chemical_name] => 
    [weight] => 356.28
    [form] =>  C15H16O10
    [cas] => 24719-72-0
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PA 01 0181004
PA 01 0181004

Acetylsalicylic acid acyl-d-glucuronide (aspirin acyl-d-glucuronide)


  • Catalogue No.:PA 01 0181004

  • CAS :

    24719-72-0

  • Molecular Formula : C15H16O10

  • Molecular Weight : 356.28

stdClass Object
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    [pname] => Mono-Methyl Terephthalate
    [catalogue_number] => PA 27 0023498
    [category_ids] => ,158,75,76,78,70,82,
    [chemical_name] => 
    [weight] => 180.16
    [form] => C9H8O4
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PA 27 0023498
PA 27 0023498

Mono-Methyl Terephthalate


  • Catalogue No.:PA 27 0023498

  • CAS :

    1679-64-7

  • Molecular Formula : C9H8O4

  • Molecular Weight : 180.16

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    [catalogue_number] => PA 01 0181005
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    [weight] => 180.16
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PA 01 0181005
PA 01 0181005

3-Acetyl-2-hydroxybenzoic Acid


  • Catalogue No.:PA 01 0181005

  • CAS :

    67127-78-0

  • Molecular Formula : C9H8O4

  • Molecular Weight : 180.16

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    [catalogue_number] => PA 01 0181006
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    [weight] => 180.16
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PA 01 0181006
PA 01 0181006

5-Acetyl-2-hydroxybenzoic Acid


  • Catalogue No.:PA 01 0181006

  • CAS :

    13110-96-8

  • 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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PA 01 0181007
PA 01 0181007

Adipoyl Disalicylate


  • Catalogue No.:PA 01 0181007

  • CAS :

    69638-07-9

  • Molecular Formula : C20H18O8

  • Molecular Weight : 386.36

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    [weight] => 266.25
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PA 01 0181008
PA 01 0181008

2-((5-Carboxypentanoyl)oxy)benzoic Acid


  • Catalogue No.:PA 01 0181008

  • CAS :

    863985-44-8

  • Molecular Formula : C13H14O6

  • Molecular Weight : 266.25

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