Fmoc-Asp-OtBu Product Catalog # Size Price (USD) Quantity Fmoc-Asp-OtBu100408-5G5 g$65.00 - Fmoc-Asp-OtBu-5g quantity + Fmoc-Asp-OtBu100408-25G25 g$250.00 - Fmoc-Asp-OtBu-25g quantity + Fmoc-Asp-OtBu100408-100G100 g$675.00 - Fmoc-Asp-OtBu-100g quantity + Add to cart Description Synonym: N-α-Fmoc-L-aspartic acid α-t-butyl ester CAS #: 129460-09-9 Molecular Formula: C23H25NO6 Molecular Weight: 411.5