左氧氟沙星 EP 杂质 H；USP 左氧氟沙星相关化合物 C|科析化学®标准品|QUALITY CONTROL CHEMICALS INC

QL062403

左氧氟沙星 EP 杂质 H；USP 左氧氟沙星相关化合物 C

Levofloxacin EP Impurity H;USP Levofloxacin Related Compound C

别名：(S)-ethyl 9-fluoro-3-methyl-10-(4-methylpiperazin-1-yl)-7-oxo-3,7-dihydro-2H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylate

分子式
C20H24FN3O4

分子量
389.42

CAS号
177472-30-9

“左氧氟沙星 EP 杂质 H；USP 左氧氟沙星相关化合物 C”标准参考物质
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QL062401

左氧氟沙星EP杂质B；左氧氟沙星USP相关化合物A

分子式： C17H18FN3O4
分子量：347.34
CAS号：117707-40-1;2254176-11-7(HCl salt)

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QL062402

左氧氟沙星 EP 杂质 F；USP 左氧氟沙星相关化合物 B

分子式： C13H9F2NO4
分子量：281.21
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QL062403

左氧氟沙星 EP 杂质 H；USP 左氧氟沙星相关化合物 C

分子式： C20H24FN3O4
分子量：389.42
CAS号：177472-30-9

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左氧氟沙星EP杂质A；R-氧氟沙星

分子式： C18H20FN3O4
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CAS号：100986-86-5

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QL062427

左氧氟沙星杂质1;氧氟沙星EP杂质A

分子式： C13H9F2NO4
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左氧氟沙星杂质 I

分子式： C15H14FNO4
分子量：291.27
CAS号：431058-46-7

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QL062494

左氧氟沙星杂质 94

分子式： C17H17FN4O5
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