Boc-Phe(4-NH2)-OH Product Catalog # Size Price (USD) Quantity Boc-Phe(4-NH2)-OH181604-5G5 g$145.00 - Boc-Phe(4-NH2)-OH-5g quantity + Boc-Phe(4-NH2)-OH181604-25G25 g$435.00 - Boc-Phe(4-NH2)-OH-25g quantity + Add to cart Description Synonym: Boc-4-amino-L-phenylalanine CAS #: 55533-24-9 Molecular Formula: C14H20N2O4 Molecular Weight: 280.3