Category
Acetylsalicylic acid
CAS Number
Acetylsalicylic acid STD-50-78-2: IMP-A-99-96-7;16782-08-4(Potassium Salt): IMP-B-636-46-4: IMP-D-530-75-6: IMP-E-552-94-3: IMP-F-1466-82-6
Molecular Formula
Acetylsalicylic acid STD-C9H8O4: IMP-A-C7H6O3: IMP-B-C8H6O5: IMP-D-C16H12O6: IMP-E-C14H10O5: IMP-F-C18H14O7
Molecular Weight
Acetylsalicylic acid STD-180.16: IMP-A-138.12: IMP-B-182.13: IMP-D-300.26: IMP-E-258.23: IMP-F-342.3
Synonym

Acetylsalicylic acid STD-2-acetyloxybenzoic acid; Acetylsalicylic Acid - API (IP); 2-Acetoxybenzoic Acid; 2-(Acetyloxy)benzoic Acid; Acylpyrin; Angettes; Aspro; Aspirin; ASA; Benzoic acid, 2-(acetyloxy); Salicylic acid acetate (USP)

Acetylsalicylic acid EP-Impurity-A-4-hydroxybenzoic acid; 4-Hydroxybenzoic Acid; 4-Hydroxybenzoic Acid; 4-Carboxyphenol;Paraben-acid; p-Carboxyphenol; p-Hydroxybenzoic Acid; Aspirin impurity A; Salicylic Acid Related Compound A

Acetylsalicylic acid EP-Impurity-B-4-hydroxybenzene-1,3-dicarboxylic acid; 4-Hydroxybenzene-1,3-dicarboxylicacid; 4-Hydroxy-1,3-benzenedicarboxylic Acid; 4-Hydroxy-m-phthalic Acid; Eupirina; Aspirin impurity B; Salicylic Acid Related Compound B

Acetylsalicylic acid EP-Impurity-D-2-(2-acetyloxybenzoyl)oxybenzoic acid; DL-Lysine Acetylsalicylate - Impurity L (EP/BP); 2-(Acetyloxy)benzoic Acid 2-Carboxyphenyl Ester; Acesalum; Diplosal Acetate; 2-[(2-Acetoxybenzoyl)oxy]benzoic Acid;Diplosalacetat; Salicylacetylsalicylic Acid; Aspirin impurity D; Acetylsalsalate (USP)

Acetylsalicylic acid EP-Impurity-E-2-(2-hydroxybenzoyl)oxybenzoic acid; DL-Lysine Acetylsalicylate - Impurity M (EP/BP); 2-Hydroxybenzoic Acid 2-Carboxyphenyl Ester; Salicylic Acid Salicylate; 2-((2-Hydroxybenzoyl)oxy)benzoic Acid; Diacesal; Diplosal; Disalcid; Disalgesic; Disalicylic Acid; Salicyl Salicylate; Salicyloxysalicylic Acid;Disalyl; Mono-Gesic; Nobacid; Salflex; Salical; Salicyloylsalicylic Acid; Salicylsalicylic Acid; Salina; Salysal; Sasapirin; Sasapyrine; Sasapyrinum; o-Salicylsalicylic Acid; Aspirin impurity E; 2-[(2-Hydroxybenzoyl)oxy]benzoic acid; Salsalate (USP)

Acetylsalicylic acid EP-Impurity-F-(2-acetyloxybenzoyl) 2-acetyloxybenzoate;  2-(Acetyloxy)benzoic Anhydride; Salicylic Acid Acetate Anhydride; 2-Acetoxybenzoic Anhydride;Contraflu; Pircan; Vigal; 2-(Acetyloxy)benzoic Acid 1,1'-Anhydride; Aspirin impurity F; Aspirin anhydride (USP)

slide.1
Purity:

Above - 95.0%

Technical Data:

We will provide complete documentation support for every Standard Material. All analytical reports such as ¹H NMR, ¹³C NMR, Mass, FT-IR, HPLC Purity/GC Purity/QNMR Purity, Water content by KF/ Loss on Drying/TGA (Thermo-gravimetric Analysis). Certificate of Analysis with potency report. Each Standard Material SER (Structure Elucidation Report) with NMR, Mass, IR spectral interpretation. This whole analytical document can be included in eCTD, ANDA, DMF submissions to regulatory agencies.

Acetylsalicylic acid Chemical Reference Standard (CRS) is used in analytical laboratories to accurately identify the chromatographic peak of aspirin in methods such as HPLC or TLC. It provides a reference for retention time, peak shape, and purity, ensuring correct peak identification, reliable assay results, and consistent quality control of acetylsalicylic acid in drug substances and formulations.