吡哆醇盐酸盐 [维生素B6盐酸盐],Pyridoxine hydrochloride [PN HCl, VB6 HCl];powder
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酒石酸二钠二水合物 [二水酒石酸钠],Sodium tartrate dibasic dihydrate;Pharmaceutical Secondary Standard; Certified Reference Material -
双酚芴 [标准品],4,4′-(9-Fluorenylidene)diphenol [BPFL, BisP-FL];analytical standard, ≥99.0% (HPLC) -
4-硝基苯基磷酸盐二钠盐六水合物 [磷酸酶底物, pNPP二钠盐六水合物],4-Nitrophenyl phosphate disodium salt hexahydrate;powder, BioReagent, suitable for cell culture, ≥97% -
N-亚硝基-2-甲基噻唑烷4-羧酸,N-Nitroso-2-methylthiazolidine 4-Carboxylic Acid [NCTA] -
硫化钠九水合物,Sodium sulfide nonahydrate;≥99.99% trace metals basis
