Boc-Phe(4-N3)-OH Product Catalog # Size Price (USD) Quantity Boc-Phe(4-N3)-OH182988-1G1 g$220.00 - Boc-Phe(4-N3)-OH-1g quantity + Boc-Phe(4-N3)-OH182988-5G5 g$790.00 - Boc-Phe(4-N3)-OH-5g quantity + Add to cart Description Synonym: Boc-4-azido-L-phenylalanine CAS #: 33173-55-6 Molecular Formula: C14H18N4O4 Molecular Weight: 306.3