维生素B12 [氰钴胺素, 腈钴胺],Vitamin B12 [CN-Cbl, VB12];analytical standard
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甲醛溶液 [福尔马林],Formaldehyde solution;ACS reagent, 37 wt. % in H2O, contains 10-15% Methanol as stabilizer (to prevent polymerization)
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双去甲胆烯醛 [黄体酮杂质23],Bisnorcholenaldehyde
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3,4-二羟基苯甲醛,3,4-Dihydroxybenzaldehyde;analytical standard, ≥95.0% (HPLC)
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补骨脂宁,Corylin;phyproof® Reference Substance, ≥95.0% (HPLC)
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偏硼酸锂,Lithium metaborate [LMB];99.995% trace metals basis
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土荆皮乙酸 [土槿乙酸B],Pseudolaric Acid B;≥98% (HPLC)