Spec.: Appearance: white crystalline powder Assay(HPLC): 98.0% min Melting point: 67.0 - 70.0℃ Synonyms: Carbobenzoxyhydrazide Benzyl carbazate Z-NHNH2 (free base) Benzyloxycarbonyl hydrazide (free base) Z-NHNH2 N-alpha-Z-hydrazide [(Benzyloxy)-carbonyl]-hydrazine Benzyl hydrazinocarboxylate Benzyloxycarbonylhydrazine cas: 5331-43-1