CAS Registry Number

CAS 62337-00-2 — Arsenazo III disodium salt

Arsenazo III disodium salt is a chromogenic reagent used in analytical chemistry for the detection and quantification of metal ions, particularly rare earth elements and calcium. It functions as a colorimetric indicator in spectrophotometric assays. Available with a CAS number of 62337-00-2, its molecular formula is C22H16As2N4Na2O14S2 and molecular weight is 820.33 g/mol. It should be stored at ambient temperature. Signal word: Danger. Molekula supplies Arsenazo III disodium salt from research to bulk quantities with full documentation and ISO 9001:2015 traceability.