acetylsalicylic acid

Impurities - 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 - 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
    [pslug] => 99-96-7-acetylsalicylic-acid-impurity-a-pa0118010
    [latest_product] => 0
    [linkproducts] => 1
    [offers_id] => 
    [offers_name] => 
    [offers_status] => 
    [offers_start_date] => 
    [offers_end_date] => 
    [pageview] => 
    [offers_slug] => 
    [offers_product_id] => 
    [offers_product_code] => 
    [offers_master_id] => 
    [offer_percentage] => 
    [offers_product_main_cat] => 
)
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 B
    [catalogue_number] => PA 01 18020
    [category_ids] => ,80,75,
    [chemical_name] => 
    [weight] => 182.13
    [form] => C8H6O5
    [cas] => 636-46-4
    [pslug] => 636-46-4-acetylsalicylic-acid-impurity-b-pa0118020
    [latest_product] => 0
    [linkproducts] => 0
    [offers_id] => 
    [offers_name] => 
    [offers_status] => 
    [offers_start_date] => 
    [offers_end_date] => 
    [pageview] => 
    [offers_slug] => 
    [offers_product_id] => 
    [offers_product_code] => 
    [offers_master_id] => 
    [offer_percentage] => 
    [offers_product_main_cat] => 
)
PA 01 18020
PA 01 18020

Acetylsalicylic Acid - Impurity B


  • Catalogue No.:PA 01 18020

  • CAS :

    636-46-4

  • Molecular Formula : C8H6O5

  • Molecular Weight : 182.13

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
    [pslug] => 69-72-7-acetylsalicylic-acid-impurity-c-pa0118030
    [latest_product] => 0
    [linkproducts] => 1
    [offers_id] => 
    [offers_name] => 
    [offers_status] => 
    [offers_start_date] => 
    [offers_end_date] => 
    [pageview] => 
    [offers_slug] => 
    [offers_product_id] => 
    [offers_product_code] => 
    [offers_master_id] => 
    [offer_percentage] => 
    [offers_product_main_cat] => 
)
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
    [pslug] => 530-75-6-acetylsalicylic-acid-impurity-d-pa0118040
    [latest_product] => 0
    [linkproducts] => 0
    [offers_id] => 
    [offers_name] => 
    [offers_status] => 
    [offers_start_date] => 
    [offers_end_date] => 
    [pageview] => 
    [offers_slug] => 
    [offers_product_id] => 
    [offers_product_code] => 
    [offers_master_id] => 
    [offer_percentage] => 
    [offers_product_main_cat] => 
)
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 F
    [catalogue_number] => PA 01 18060
    [category_ids] => ,75,70,78,82,
    [chemical_name] => 
    [weight] =>   342.3
    [form] => C18H14O7
    [cas] => 1466-82-6
    [pslug] => 1466-82-6-acetylsalicylic-acid-impurity-f-pa0118060
    [latest_product] => 0
    [linkproducts] => 0
    [offers_id] => 
    [offers_name] => 
    [offers_status] => 
    [offers_start_date] => 
    [offers_end_date] => 
    [pageview] => 
    [offers_slug] => 
    [offers_product_id] => 
    [offers_product_code] => 
    [offers_master_id] => 
    [offer_percentage] => 
    [offers_product_main_cat] => 
)
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] => 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
    [pslug] => 56343-01-2-salicyl-sulfate-disodium-salt-pa010181000
    [latest_product] => 0
    [linkproducts] => 0
    [offers_id] => 
    [offers_name] => 
    [offers_status] => 
    [offers_start_date] => 
    [offers_end_date] => 
    [pageview] => 
    [offers_slug] => 
    [offers_product_id] => 
    [offers_product_code] => 
    [offers_master_id] => 
    [offer_percentage] => 
    [offers_product_main_cat] => 
)
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
(
    [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
    [pslug] => 2708578-72-5-2-acetoxybenzoic-2-hydroxybenzoic-anhydride-pa010181001
    [latest_product] => 0
    [linkproducts] => 0
    [offers_id] => 
    [offers_name] => 
    [offers_status] => 
    [offers_start_date] => 
    [offers_end_date] => 
    [pageview] => 
    [offers_slug] => 
    [offers_product_id] => 
    [offers_product_code] => 
    [offers_master_id] => 
    [offer_percentage] => 
    [offers_product_main_cat] => 
)
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
    [pslug] => 18698-59-4-acetic-2-acetoxybenzoic-anhydride-pa010181002
    [latest_product] => 0
    [linkproducts] => 0
    [offers_id] => 
    [offers_name] => 
    [offers_status] => 
    [offers_start_date] => 
    [offers_end_date] => 
    [pageview] => 
    [offers_slug] => 
    [offers_product_id] => 
    [offers_product_code] => 
    [offers_master_id] => 
    [offer_percentage] => 
    [offers_product_main_cat] => 
)
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
(
    [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
    [pslug] => 16475-90-4-5-acetyl-2-hydroxybenzoic-acid-methyl-ester-pa010181003
    [latest_product] => 0
    [linkproducts] => 0
    [offers_id] => 
    [offers_name] => 
    [offers_status] => 
    [offers_start_date] => 
    [offers_end_date] => 
    [pageview] => 
    [offers_slug] => 
    [offers_product_id] => 
    [offers_product_code] => 
    [offers_master_id] => 
    [offer_percentage] => 
    [offers_product_main_cat] => 
)
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
    [pslug] => 24719-72-0-acetylsalicylic-acid-acyl-d-glucuronide-aspirin-acyl-d-glucuronide-pa010181004
    [latest_product] => 0
    [linkproducts] => 0
    [offers_id] => 
    [offers_name] => 
    [offers_status] => 
    [offers_start_date] => 
    [offers_end_date] => 
    [pageview] => 
    [offers_slug] => 
    [offers_product_id] => 
    [offers_product_code] => 
    [offers_master_id] => 
    [offer_percentage] => 
    [offers_product_main_cat] => 
)
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
(
    [pname] => Mono-Methyl Terephthalate
    [catalogue_number] => PA 27 0023498
    [category_ids] => ,158,75,76,78,70,82,
    [chemical_name] => 
    [weight] => 180.16
    [form] => C9H8O4
    [cas] => 1679-64-7
    [pslug] => 1679-64-7-mono-methyl-terephthalate-pa270023498
    [latest_product] => 0
    [linkproducts] => 0
    [offers_id] => 
    [offers_name] => 
    [offers_status] => 
    [offers_start_date] => 
    [offers_end_date] => 
    [pageview] => 
    [offers_slug] => 
    [offers_product_id] => 
    [offers_product_code] => 
    [offers_master_id] => 
    [offer_percentage] => 
    [offers_product_main_cat] => 
)
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

pharmaffiliates