Product Name: Boc-D-Asp(OtBu)-OH·DCHA Lot No.: GLS211121-30411 CAS No.: 200334-95-8 Store at: Cool dry place(≤25 oC) Molecular Formula: C13H23NO6·C12H23N Molecular Weight:470.64 Manufacturing Date: 2021-11-21 Retest Date: 2023-11-21 Melting point: 143.4-144.1 oC Optical Rotation: -19.6 o(C =1 in EtOH) Water Content(K.F.): 0.18% Loss on drying: 3.92%(70 oC,2h) Tests Specifications Results Appearance Purity(HPLC) Clarity of solution IR Spectrum Mass Spectrum NMR Spectrum White powder ≥98% 0.3 gram in 2ml EtOH clear solution In accordance with the structure In accordance with the structure In accordance with the structure Complies 99.23% Complies Complies Complies