Fmoc-β-HoSer(OtBu)-OH Product Catalog # Size Price (USD) Quantity Fmoc-β-HoSer(OtBu)-OH181902-5G5 g$920.00 - Fmoc-β-HoSer(OtBu)-OH-5g quantity + Fmoc-β-HoSer(OtBu)-OH181902-25G25 g$2,760.00 - Fmoc-β-HoSer(OtBu)-OH-25g quantity + Add to cart Description Synonym: Fmoc-O-tert-butyl-L-β-homoserine CAS #: 203854-51-7 Molecular Formula: C23H27NO5 Molecular Weight: 397.5