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盐酸土霉素购买
目录号: PI02003001     品名: Oxytetracycline Hydrochloride
CAS NO:2058-46-0,79-57-2(free base)|Chemical Formula: C22H24N2O9|(4S,4aR,5S,5aR,6S,12aS)-4-(dimethylamino)-3,5,6,10,12,12a-hexahydroxy-6-methyl-1,11-dioxo-1,4,4……
土霉素EP杂质A购买
目录号: PI02003002     品名: Oxytetracycline Impurity A(EP)
CAS No:14206-58-7 ||Chemical Formula:C22H24N2O9 ||Molecular Weight:460.43900 ||Exact Mass:460.14818 (4R,4aR,5S,5aR,6S,12aS)-4-(dimethylamino)-3,5,6,10,12,12a-h……
土霉素EP杂质B购买
目录号: PI02003003     品名: Oxytetracycline Impurity B(EP)
CAS No:60-54-8 ||Chemical Formula:C22H24N2O8 ||Molecular Weight:444.43456 ||Exact Mass:444.15327 ||(4S,4aS,5aS,6S,12aS)-4-(dimethylamino)-3,6,10,12,12a-pentahyd……
土霉素EP杂质C购买
目录号: PI02003004     品名: Oxytetracycline Impurity C(EP)
CAS No:7647-65-6||Chemical Formula:C23H25NO9||Molecular Weight:459.45100 ||Exact Mass:459.15293||(4S,4aR,5S,5aR,6S,12aS)-2-acetyl-4-(dimethylamino)-3,5,6,10,12,……
土霉素EP杂质D购买
目录号: PI02003005     品名: Oxytetracycline Impurity D(EP)
CAS No:18695-01-7 ||Chemical Formula:C22H22N2O8 ||Molecular Weight:442.41868 ||Exact Mass:442.13762 "||(3S,4S,5S)-4-((R)-4,5-dihydroxy-9-methyl-3-oxo-1,3-dihydr……
土霉素EP杂质E购买
目录号: PI02003006     品名: Oxytetracycline Impurity E(EP)
CAS No:18751-99-0 ||Chemical Formula:C22H22N2O8 ||Molecular Weight:442.41868 ||Exact Mass:442.13762 ||(3S,4S,5R)-4-((R)-4,5-dihydroxy-9-methyl-3-oxo-1,3-dihydro……
土霉素EP杂质F购买
目录号: PI02003007     品名: Oxytetracycline Impurity F(EP)
CAS No:4660-26-8 ||Chemical Formula:C22H22N2O8 ||Molecular Weight:442.42400 ||Exact Mass:442.13762 ||(4S,4aR,5R,12aS)-4-(dimethylamino)-3,5,10,11,12a-pentahydro……

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