CAS Registry Number

CAS 37299-86-8 — Acid Red 388 (Rhodamine WT)

Acid Red 388, also called Rhodamine WT, is a fluorescent dye primarily used in biological staining, flow cytometry, and diagnostic assays for labeling proteins, nucleic acids, and other biomolecules. It emits bright orange fluorescence under green excitation, making it ideal for sensitive detection applications. This chemical has a CAS number of 37299-86-8, with the molecular formula C29H29N2O5•Cl•Na2 and a molecular weight of 566.98. It is stable at ambient storage conditions but requires careful handling, as indicated by its "Warning" signal word. Molekula supplies Acid Red 388 from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

Also known as: Acid Red 388 liquid (Rhodamine WT 20% aqueous solution)