CAS Registry Number

CAS 555-06-6 — 4-Aminobenzoic acid sodium salt

4-Aminobenzoic acid sodium salt is an organic compound primarily used as a UV absorber in sunscreens, cosmetics, and pharmaceuticals, where it helps protect against UV radiation. It also functions as a vitamin B10 precursor in some formulations. This white to off-white crystalline powder has a CAS number of 555-06-6, with the molecular formula C7H6NNaO2 and a molecular weight of 159.12. It is stable under ambient storage conditions but requires handling with caution, as indicated by its "Warning" signal word. Molekula supplies 4-Aminobenzoic acid sodium salt from research to bulk quantities with full documentation and ISO 9001:2015 traceability.