CAS 641-90-7 appears in our catalog under these names: Alaternin, 2–Hydroxyemodin, 2-Hydroxyemodin, ≥98%, ≥98%, 2-Hydroxyemodin, 99.74%. Offered by: TargetMol, GLPBio, Biosynth, Chemat, MedChemExpress. Available pack sizes: 5mg, 25mg, 10mg, 50mg, 20mg, 5 mg.