Product Name:4-Nitrobenzyl 2-diazoacetoacetate CAS NO.: 82551-63-1 Structural formula: Molecular formula:C11H9N3O5 Molecular weight:263 Appearance: White crystalline powder Assay: ≥99%’ Water: ≤0.5% Melting point:132~134℃ Packing: 25kg/drum