Product Name Z-Ser(tBu)-OH CAS No. 1676-75-1 Lot No. GLS240415-11704 Molecular Formula C15H21NO5 Molecular Weight 295.30 Store at Cool dry place (≤25 oC) Manufacture Date 2024-05-11 Retest Date 2025-11-11 Tests Specifications Results Appearance White powder Complies Purity(HPLC) ≥98% 98.66% Optical Purity Report Not detectable Melting Point 82-92 oC 84.5-89.7 oC Specific Rotation[α] 20 +21 o±3 o(C=2 in EtOH) +21.2 o(C=2 in EtOH) Clarity of solution 0.3 gram in 2ml EtOH clear solution Complies Water Content (K. F.) ≤1.0% 0.58% Loss on drying ≤1.0%(45 oC,2h) 0.10% Element analysis(C、H、N) ≤5.0% <5.0% IR Spectrum In accordance with the structure Complies Mass Spectrum In accordance with the structure Complies NMR Spectrum In accordance with the structure Complies