Boc-Phe(4-NO2)-OH Product Catalog # Size Price (USD) Quantity Boc-Phe(4-NO2)-OH181637-5G5 g$80.00 - Boc-Phe(4-NO2)-OH-5g quantity + Boc-Phe(4-NO2)-OH181637-25G25 g$180.00 - Boc-Phe(4-NO2)-OH-25g quantity + Add to cart Description Synonym: Boc-4-nitro-L-phenylalanine CAS #: 33305-77-0 Molecular Formula: C14H18N2O6 Molecular Weight: 310.3