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CAS Registry Number

CAS 5781-53-3 — Methyl oxalyl chloride

CAS 5781-53-3 ClCOCOOCH3 MW 122.51

Methyl oxalyl chloride is an acyl chloride derivative used primarily in organic synthesis to prepare esters, amides, and other functionalized compounds. It serves as a key reagent in pharmaceutical and fine chemical manufacturing due to its reactivity with alcohols and amines. This chemical has a CAS number of 5781-53-3, with the molecular formula ClCOCOOCH3 and a molecular weight of 122.51 g/mol. It is stored at ambient conditions but requires careful handling due to its hazardous nature, marked by a "Danger" signal word. Molekula supplies methyl oxalyl chloride from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

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Molekula products for CAS 5781-53-3

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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