... off white crystalline powder Ligustrazine hydrochloride 76494-51-4Cas no.:76494-51-4MF:C8H13ClN2 white to off white crystalline ... ;2,3,5,6-Tetramethylpyrazine hydrochloride;Chuanxiongzine HydrochloridCAS:76494-51-4MF:C8H12N2.ClHMW:172.658EINECS: Product Categories: Mol ... File:76494-51-4.mol Appearance:white or off-white crystalline powderTaste: ...