氰钴胺(维生素B12)纯度标准物质
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Cat:GBW(E)100272
CAS:68-19-9
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Polyphyllin VII
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Cat:SP8489
CAS:68124-04-9
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Aurantio-obtusin
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Cat:SA8699
CAS:67979-25-3
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维生素D3纯度标准物质
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Cat:GBW(E)100267
CAS:67-97-0
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Martynoside
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Cat:SM4970
CAS:67884-12-2
Purity:HPLC≥98%
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Triamcinolone 16,21-Diacetate
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Cat:ST4550
CAS:67-78-7
Purity:HPLC≥98%
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二甲基砜纯度标准物质
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Cat:GBW06119
CAS:67-71-0
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5-Hydroxymethylfurfural
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Cat:SH8249
CAS:67-47-0
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呋喃唑酮纯度标准物质
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Cat:GBW(E)061891
CAS:67-45-8
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呋喃妥因纯度标准物质
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Cat:GBW(E)061892
CAS:67-20-9
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