Compound Q&A
How is Acetylsalicylic Acid EP Impurity B (CAS: 636-46-4) typically synthesized?
Answer
Acetylsalicylic Acid EP Impurity B (CAS: 636-46-4) is typically synthesized through the acetylation of salicylic acid under controlled conditions. The process involves the reaction of salicylic acid with acetic anhydride in the presence of a catalyst, such as concentrated sulfuric acid, at a specific temperature. The yield varies depending on the purity of the starting materials and the reaction conditions.
About
CAS No
636-46-4
English Name
Acetylsalicylic Acid EP Impurity B (Salicylic Acid USP Related Compound B)
Molecular Formula
C8H6O5
Molecular Weight
182.13 g/mol
SMILES
C1=CC(=C(C=C1C(=O)O)C(=O)O)O
InChIKey
BCEQKAQCUWUNML-UHFFFAOYSA-N
Last Updated: 2025-09-08 00:42
