CAS 6620-95-7 appears in our catalog under these names: H-Ser-Ser-OH, 95%, 95%, H-Ser-Ser-OH 95%, H–Ser–Ser–OH, H-Ser-Ser-OH, H-Ser-Ser-OH, 99.98%. Offered by: Chemat, Ambeed, GLPBio, Biosynth, MedChemExpress. Available pack sizes: 100mg, 250mg, 1g, 5g, 0,5g, 50 mg, 100 mg, 25 mg.