Fmoc-Phe(4-N3)-OH Product Catalog # Size Price (USD) Quantity Fmoc-Phe(4-N3)-OH182990-1G1 g$300.00 - Fmoc-Phe(4-N3)-OH-1g quantity + Fmoc-Phe(4-N3)-OH182990-5G5 g$900.00 - Fmoc-Phe(4-N3)-OH-5g quantity + Add to cart Description Synonym: Fmoc-4-azido-L-phenylalanine CAS #: 163217-43-4 Molecular Formula: C24H20N4O4 Molecular Weight: 428.4