苄基苯甲酸二钠盐 [差向异构体混合物],Benzylpenicilloic acid disodium salt, mixture of epimeres;≥95% (HPLC)
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(+)-6-氨基青霉烷酸,(+)-6-Aminopenicillanic acid [6-APA];analytical standard, ≥99.0% (HPLC) -
乙基纤维素,Ethyl cellulose [EC];viscosity 300 cP, 5 % in toluene/ethanol 80:20(lit.), extent of labeling: 48% ethoxyl -
氢氧化钡八水合物,Barium hydroxide octahydrate;for analysis EMSURE® ACS,ISO,Reag. Ph Eur, ≥98.0% (acidimetric) -
甲基丙烯酸2,2,3,3,4,4,5,5,6,6,7,7-十二氟庚酯,2,2,3,3,4,4,5,5,6,6,7,7-Dodecafluoroheptyl Methacrylate;≥99.0%(GC) -
磷酸二氢钾,Potassium phosphate monobasic;buffer substance, anhydrous, puriss. p.a., ACS reagent, reag. ISO, reag. Ph. Eur., 99.5-100.5% -
三苯基硫三氟甲烷磺酸盐,Triphenylsulfonium triflate;TPST, TPS-tf
