Boc-Phe(4-tBu)-OH Product Catalog # Size Price (USD) Quantity Boc-Phe(4-tBu)-OH183014-5G5 g$200.00 - Boc-Phe(4-tBu)-OH-5g quantity + Boc-Phe(4-tBu)-OH183014-25G25 g$800.00 - Boc-Phe(4-tBu)-OH-25g quantity + Boc-Phe(4-tBu)-OH183014-100G100 g$2,000.00 - Boc-Phe(4-tBu)-OH-100g quantity + Add to cart Description Synonym: Boc-4-tert-butyl-L-phenylalanine CAS #: 143415-62-7 Molecular Formula: C18H27NO4 Molecular Weight: 321.4