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CAS Registry Number

CAS 24057-28-1 — Pyridinium p-toluenesulfonate [PPTS]

CAS 24057-28-1 C12H13NO3S MW 251.30

Pyridinium *p*-toluenesulfonate (PPTS) is a mild acid catalyst widely used in organic synthesis for acetalization, esterification, and dehydration reactions. It is a solid, thermally stable reagent that avoids the harsh conditions of stronger acids while maintaining high yields. This chemical has a CAS number of 24057-28-1, with the molecular formula C12H13NO3S and a molecular weight of 251.30 g/mol. It is stored at ambient conditions and carries a signal word of *Warning* for safety. Molekula supplies PPTS from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

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Molekula products for CAS 24057-28-1

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.

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