CAS 108750-13-6 appears in our catalog under these names: Sodium 2',7'–bis((bis(carboxymethyl)amino)methyl)–3'–hydroxy–3–oxo–3H–spiro(isobenzofuran–1,9'–xanthen)–6'–olate, Glycine, N,N′-[(3′,6′-dihydroxy-3-oxospiro[isobenzofuran-1(3H),9′-[9H]xanthene]-2,7-diyl)bis(methylene)]bis[N-(carboxymethyl)-, sodium salt (1:?), Calcein sodium salt. Offered by: GLPBio, Chemat, MedChemExpress. Available pack sizes: 1g, 25g, 5g, 10g, 15g, 100g, 200g, 300g.