1,4,5,8-Tetracarboxynaphthalene dianhydride

Name:1,4,5,8-Tetracarboxynaphthalene dianhydrideCAS No.:81-30-1Molecular formula:C14H4O6Formula weight：268.18Purity：HPLC≥98% Package：20mg～g brown glass bottle or other packaging Appearance：powder Test method：high performance liquid phase (HPLC) Mass spectrometry (Mass) nuclear magnetic resonance (NMR) Storage conditions: store in a light-proof container, refrigerate or freeze for long-term storage. Application: for research use only, not for medical diagnosis. Note: ①the sample solution is now used.If special circumstances require preparation in advance, it is suggested to divide into independent packaging and freeze for storage (below -3864℃), and then take out and thaw before use. The storage life is suggested to be less than two weeks. ②Can be customized according to the requirements of the research and development of a variety of types/specifications/purity reference