Aspirin (Acetylsalicyclic Acid) Impurities

Find here the secondary pharmaceutical standard of the native API Aspirin (Acetylsalicyclic Acid) traceable to USP, PhEur and BP.

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PHR1940   Aspirin Impurity D Pharmaceutical Secondary Standard; Certified Reference Material 2-[[2-(Acetyloxy)benzoyl]oxy]benzoic acid 2-Carboxyphenyl o-acetylsalicylate Acetylsalicylsalicylic acid
PHR1941 Aspirin Impurity E Pharmaceutical Secondary Standard; Certified Reference Material 2-(2-Hydroxybenzoyl)oxybenzoic acid 2-Hydroxybenzoic acid 2-carboxyphenyl ester Salsalate disalicylic acid salicyloxysalicylic acid salicylsalicylic acid
PHR1942 Aspirin Impurity F Pharmaceutical Secondary Standard; Certified Reference Material 2-Acetoxybenzoic anhydride O-Acetylsalicylic anhydride Acetylsalicylic Anhydride
PHR1048 4-Hydroxybenzoic acid Pharmaceutical Secondary Standard; Certified Reference Material  
PHR1013 Salicylic acid Pharmaceutical Secondary Standard; Certified Reference Material 2-Hydroxybenzoic acid
PHR1643 Salicylic Acid Related Compound B Pharmaceutical Secondary Standard; Certified Reference Material 4-Hydroxyisophthalic acid