甲基羟乙基纤维素,Tylose® MH 300;viscosity 150-450 mPa.s, 2 % in H2O(20 °C)
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高车前素,Hispidulin;≥98% (HPLC)
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铜,Copper;ACS reagent, granular, 10-40 mesh, ≥99.90%
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氯化铑(III)水合物,Rhodium(III) chloride hydrate;99.95% trace metals basis
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正戊醇,1-Pentanol;ReagentPlus®, ≥99%
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对甲苯磺酸一水合物,p-Toluenesulfonic acid monohydrate [PTSA, p-TsOH];ACS reagent, ≥98.5%
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DL-苹果酸,DL-Malic acid;meets USP/NF testing specifications, 99.0-100.5%