CAS Registry Number

CAS 17697-12-0 — Benzeneseleninic anhydride

Benzeneseleninic anhydride is a high-purity organoselenium compound primarily used as a mild oxidizing agent in organic synthesis, particularly for converting alcohols to aldehydes or ketones. It is also employed in the preparation of selenides and selenoxides. This white crystalline solid has a CAS number of 17697-12-0, a molecular formula of O(Se(O)C6H5)2, and a molecular weight of 360.13 g/mol. It must be stored at ambient conditions but handled with caution, as it carries a "Danger" signal word. Molekula supplies Benzeneseleninic anhydride from research to bulk quantities with full documentation and ISO 9001:2015 traceability.