C9H8O4
180.16 g/mol
Pharmaceutical IntermediateWarning
5-Acetylsalicylic acid
CAS13110-96-8EC236-037-6
Category
Pharmaceutical Intermediate
Compound Class
Aromatic
Primary Use
Pharmaceutical Intermediate
5-Acetylsalicylic acid is a chemical compound that serves as a pharmaceutical intermediate, specifically used in the production of acetylsalicylic acid (aspirin) and as a reference impurity standard for quality control in pharmaceutical manufacturing. It is a derivative of salicylic acid, a naturally occurring plant hormone originally derived from willow bark.
pharmaceutical intermediate for aspirin manufacturingreference impurity standard for acetylsalicylic acid quality control
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
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Safety Reference
Warning
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
Customs Tariff Classification
The international HS code for 5-Acetylsalicylic acid (CAS 13110-96-8) is 2918.99.
HS code (international, 6-digit)
2918.99
EU CN code (8-digit)
2918 99 90
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
Identifiers
IUPAC Name
5-acetyl-2-hydroxybenzoic acid
InChIKey
NZRDKNBIPVLNHA-UHFFFAOYSA-N
SMILES
CC(=O)C1=CC(=C(C=C1)O)C(=O)O
Synonyms (4)
- 5-Acetylsalicylic acid
- Aspirin Impurity 12
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