CAS Registry Number

CAS 103-90-2 — 4-Acetamidophenol (Paracetamol)

CAS 103-90-2 CH3CONHC6H4OH MW 151.16

4-Acetamidophenol, commonly known as paracetamol, is a widely used analgesic and antipyretic compound found in over-the-counter pain relievers and fever reducers. It is a key active pharmaceutical ingredient (API) in medications for mild to moderate pain and inflammation. This chemical has a CAS number of 103-90-2, with the molecular formula CH3CONHC6H4OH and a molecular weight of 151.16 g/mol. It should be stored at ambient conditions, and while it carries a "Warning" signal word, it is generally safe when used as directed. Molekula supplies 4-Acetamidophenol from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

Also known as: Acetaminophen USP reference standard · 4-Acetamidophenol (Paracetamol) USP CRS · Paracetamol BP reference standard

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Molekula products for CAS 103-90-2

4-Acetamidophenol (Paracetamol)

SKU 90005078

In stock Bioactive Small Molecules

Acetaminophen USP reference standard

SKU 90032887

Made to order Bioactive Small Molecules

4-Acetamidophenol (Paracetamol) USP CRS

SKU 90037619

Made to order Bioactive Small Molecules

Paracetamol BP reference standard

SKU 90032248

Made to order Bioactive Small Molecules

Molekula has supplied fine chemicals and biochemicals since 2000 from ISO 9001:2015 and ISO 14001:2015 certified facilities. Every dispatched batch is logged with a batch number and matched to a Certificate of Analysis, and Safety Data Sheets are available in five languages.