7-氨基去乙酰氧基头孢烷酸，7-Aminodesacetoxycephalosporanic acid [7-ADCA]；pharmaceutical secondary standard, certified reference material
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L-苹果酸，L-(−)-Malic acid；97%, optical purity ee: 99% (GLC) -
![图片 二氯二甲基硅烷，Dichlorodimethylsilane [DMDCS, DDMS]；produced by Wacker Chemie AG, Burghausen, Germany, ≥99.0% (GC)](https://www.bszh.cn/images/thumbs/0003002_dichlorodimethylsilane-dmdcs-ddmsproduced-by-wacker-chemie-ag-burghausen-germany-990-gc_32.png "显示明细 二氯二甲基硅烷，Dichlorodimethylsilane [DMDCS, DDMS]；produced by Wacker Chemie AG, Burghausen, Germany, ≥99.0% (GC)")
二氯二甲基硅烷，Dichlorodimethylsilane [DMDCS, DDMS]；produced by Wacker Chemie AG, Burghausen, Germany, ≥99.0% (GC) -
氧化苯乙烯，Styrene oxide；97% -
![图片 鸟苷-5′-单磷酸二钠盐水合物，Guanosine 5′-monophosphate disodium salt hydrate [5′-GMP-Na2]；Pharmaceutical Secondary Standard; Certified Reference Material](https://www.bszh.cn/images/thumbs/0014859_-5-guanosine-5-monophosphate-disodium-salt-hydrate-5-gmp-na2pharmaceutical-secondary-standard-certif_32.png "显示明细 鸟苷-5′-单磷酸二钠盐水合物，Guanosine 5′-monophosphate disodium salt hydrate [5′-GMP-Na2]；Pharmaceutical Secondary Standard; Certified Reference Material")
鸟苷-5′-单磷酸二钠盐水合物，Guanosine 5′-monophosphate disodium salt hydrate [5′-GMP-Na2]；Pharmaceutical Secondary Standard; Certified Reference Material
