Product Name: H-THR-OBZL OXALATE (1:1) CAS Number: 201274-07-9 Molecular Formula: C??H??NO? Molecular Weight: 299.28 g/mol Synonyms: L-Threonine benzyl ester oxalate; H-Thr-OBzl oxalate; L-Threonine benzylester hemioxalate Classification: Amino acid derivative, peptide synthesis intermediate, pharmaceutical raw material, fine chemical intermediate

Appearance: White crystalline powder, odorless, uniform fine crystal Melting Point: 148–152 °C Boiling Point: Decomposes at high temperature without fixed boiling point Density: 1.35±0.05 g/cm3 Solubility: Soluble in water, methanol and ethanol; slightly soluble in polar organic solvents; insoluble in non-polar solvents Stability: Stable under normal temperature and sealed dry condition; hygroscopic; light sensitive; avoid high temperature, strong light and strong alkaline environment; easy racemization under alkaline condition Key Parameters: Purity ≥98.0% (HPLC); Optical Purity ≥99.0%; Loss on Drying ≤0.5%; Residue on Ignition ≤0.1%

H-THR-OBZL OXALATE (1:1) is a key protected amino acid intermediate.

Mainly used in peptide compound synthesis, biomedical research and pharmaceutical intermediate preparation. Widely applied in the synthesis of polypeptide drugs, amino acid derivatives and biochemical reagents. Used as chiral building block for organic asymmetric synthesis and fine chemical chiral raw material. Also used in laboratory peptide synthesis, biochemical research and custom organic synthesis.

Packaging Laboratory grade: 1g, 5g, 10g, 50g sealed brown glass bottles Industrial grade: 1kg, 5kg, 25kg aluminum foil vacuum bag or HDPE drum with inner PE liner

Storage: Store in cool, dry, dark and well ventilated place; keep tightly sealed and moisture-proof; avoid light, high temperature and strong alkali; prevent racemization and deterioration Shelf Life: 24 months under sealed, dry and low temperature storage Transportation: Avoid rain, humidity and high temperature; handle gently to prevent package damage and moisture absorption