左氧氟沙星雜質哪里能買到對照品

時間：2021/2/23閱讀：1146

左氧氟沙星雜質哪里能買到對照品

深圳遠揚化學技術有限公司可提供左氧氟沙星項目申報所用全套雜質，隨貨提供CoA證書，HNMR，MS，HPLC圖譜，純度符合申報要求，現貨庫存，交貨及時，并可根據客戶提供結構式進行左氧氟沙星雜質定制合成。

左氧氟沙星雜質哪里能買到對照品

左氧氟沙星	CAS號：100986-85-4
左氧氟沙星雜質A; Levofloxacin USP Related Compound D	CAS號：100986-86-5	Levofloxacin R-Isomer ;(R)-(+)-Ofloxacin ;D-Ofloxacin ;Ofloxacin R-Isomer ;Levofloxacin D-Isomer ;
左氧氟沙星雜質B; Levofloxacin USP Related Compound A	CAS號：117707-40-1	N-Desmethyl Levofloxacin
左氧氟沙星雜質 D; Levofloxacin USP Related Compound F	CAS號：117620-85-6	Levofloxacin Desfluoro Impurity
左氧氟沙星雜質 F; Levofloxacin USP Related Compound B	CAS號：100986-89-8	Levofloxacin Difluoro Carboxylic Acid
左氧氟沙星雜質 G; Levofloxacin USP Related Compound E	CAS號：1346603-62-0	N,N’-Desethylene Levofloxacin Hydrochloride
左氧氟沙星雜質H; Levofloxacin USP Related Compound C	CAS號：177472-30-9	Levofloxacin Ethyl Ester
左氧氟沙星雜質E; Descarboxyl Levofloxacin	CAS號：178964-53-9	(S)-9-fluoro-3-methyl-10-(4-methylpiperazin-1-yl)-2H-[1,4]oxazino[2,3,4-ij]quinolin-7(3H)-one
左氧氟沙星雜質 I; 9-Piperazine Levofloxacin	CAS號：178912-62-4	(S)-10-fluoro-3-methyl-9-(4-methylpiperazin-1-yl)-7-oxo-3,7-dihydro-2H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylic acid
左氧氟沙星雜質C; Levofloxacin N-Oxide Impurity	CAS號：117678-38-3	(S)-4-(6-carboxy-9-fluoro-3-methyl-7-oxo-3,7-dihydro-2H-[1,4]oxazino[2,3,4-ij]quinolin-10-yl)-1-methylpiperazine 1-oxide
左氧氟沙星雜質D	CAS號：197291-75-1（free base）	9-Piperazino Ofloxacin ;Ofloxacin 10-Fluoro Isomer
左氧氟沙星雜質11	CAS號：431058-46-7	(S)-ethyl 10-fluoro-3-methyl-7-oxo-3,7-dihydro-2H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylate
左氧氟沙星雜質12	CAS號：117620-84-5	(S)-10-fluoro-3-methyl-7-oxo-3,7-dihydro-2H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylic acid
左氧氟沙星雜質13	CAS號：110548-06-6	(R)-ethyl 9,10-difluoro-3-methyl-7-oxo-3,7-dihydro-2H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylate
左氧氟沙星雜質14	CAS號：106939-34-8	(S)-ethyl 9,10-difluoro-3-methyl-7-oxo-3,7-dihydro-2H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylate
左氧氟沙星雜質15	CAS號：110548-07-7	(R)-9,10-difluoro-3-methyl-7-oxo-3,7-dihydro-2H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylic acid
左氧氟沙星雜質16	CAS號：103995-33-1	(Z)-ethyl 3-ethoxy-2-(2,3,4,5-tetrafluorobenzoyl)acrylate
左氧氟沙星雜質17	CAS號：110548-02-2	(S,Z)-ethyl 3-((1-hydroxypropan-2-yl)amino)-2-(2,3,4,5-tetrafluorobenzoyl)acrylate
左氧氟沙星雜質18	CAS號：94695-50-8	ethyl 3-oxo-3-(2,3,4,5-tetrafluorophenyl)propanoate
左氧氟沙星雜質19		(S)-3,9-dimethyl-7-oxo-3,7,9,10,11,12-hexahydro-2H-[1,4]oxazino[2,3,4-ij]pyrazino[2,3-g]quinoline-6-carboxylic acid
左氧氟沙星雜質20		(S)-3,12-dimethyl-7-oxo-3,7,9,10,11,12-hexahydro-2H-[1,4]oxazino[2,3,4-ij]pyrazino[2,3-g]quinoline-6-carboxylic acid
左氧氟沙星雜質21	CAS號：151377-74-1	N,N’-Desethylene-N,N’-diformyl Levofloxacin
左氧氟沙星雜質22	CAS號：1036016-10-0	Levofloxacin Hydroxy Acid
左氧氟沙星雜質23	CAS號：862690-19-5	Levofloxacin Methyl Ester
左氧氟沙星雜質24		Levofloxacin Chloromethyl Ester
左氧氟沙星雜質25	CAS號：1329833-82-0	9-Defluoro-9-(4-methyl-1-piperazinyl) Levofloxacin

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左氧氟沙星雜質哪里能買到對照品

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