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CEFIXIME

C-919

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Catalogue Number:	C-919
Compound Name:	Cefixime EP Impurity E
Synonyms:	(6R,7R)-7-[[(2Z)-2-(2-amino-4-thiazolyl)-2-[(carboxymethoxy)imino] acetyl]amino]-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
CAS#:	72701-01-0
Alternate CAS#:
Molecular Formula:	C₁₅H₁₅N₅O₇S₂
Molecular Weight:	441.43

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Cefixime EP Impurity C (Cefixime 7-epimer) Disodium Salt

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Cefixime EP Impurity D

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CAS No. 80544-17-8

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M.W. 259.24

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Cefixime

Cefixime Sulfoxide

CAS No. 1335555-87-7

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M.W. 469.44

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Cefixime Sulfone Trifluoroacetate

C₁₆H₁₅N₅O₉S₂. C₂HF₃O₂

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Cefixime EP Impurity B (E-isomer) Trifluoroacetate

C₁₅H₁₇N₅O₆S₂. C₂HF₃O₂

M.W. 427.45 114.02

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Cefixime tert-Butyl Ester

CAS No. 79368-92-6

C₂₀H₂₃N₅O₇S₂

M.W. 509.55

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Cefixime Impurity 2

CAS No. 246035-38-1

C15H12N4O4S3

M.W. 408.47

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Cefixime Impurity 3

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M.W. 499.51

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Cefixime Impurity 4

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M.W. 485.49

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Cefixime Impurity 5 (Mixture of Diastereomers)

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M.W. 441.48

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M.W. 453.44

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Cefixime

Cefixime Impurity 7

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M.W. 471.46

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Cefixime Impurity 8

C16H15N5O7S2

M.W. 453.44

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Cefixime Impurity 9

CAS No. 108615-31-2 (free acid)

C16H17N5O8S2

M.W. 471.46

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Cefixime Impurity 10

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M.W. 427.45

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Cefixime Impurity 12

CAS No. 119608-90-1

C₂₅H₂₄N₂O₅S

M.W. 464.54

C-9128

Cefixime

Cefixime Impurity 13

C₈H₁₃NO₄

M.W. 187.20

C-9129

Cefixime

Cefixime Impurity 14

CAS No. 84080-68-2

C₁₁H₁₇NO₆

M.W. 259.26

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Cefixime Impurity 15

CAS No. 84080-70-6

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M.W. 237.59

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Cefixime Impurity 16

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M.W. 888.87

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C₂₃H₂₀N₈O₁₁S₃. C₂HF₃O₂

M.W. 680.65 114.02

C-9133

Cefixime

Cefixime Impurity 18

C₂₅H₂₃N₇O₉S₃

M.W. 661.68

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Cefixime Impurity 19

C₁₆H₁₅N₅O₇S₂

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Cefixime Impurity 21

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M.W. 226.25