CAS 1025687-58-4 appears in our catalog under these names: Fostamatinib Disodium/ 98.95% (existing batch purity), R788 disodium, R788 (Fostamatinib) Disodium, R788 disodium salt, Fostamatinib Disodium 98+%. Offered by: TargetMol, GLPBio, Biosynth, Chemat, Ambeed. Available pack sizes: 1mg, 2mg, 5mg, 10mg, 25mg, 50mg, 100mg, 500mg.