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Pharmaceutical Reference Standards

Cefoperazone EP Impurity A

Picture of Cefoperazone EP Impurity A
CAT No: SZ-C077002
CAS No: 73240-08-1
Mol.F. : C23H23N5O8S
Mol.Wt. : 529.6
Inv. Status: Under Synthesis
SZ-C077002
CAS No:73240-08-1
Mol.F.: C23H23N5O8S 
Mol.Wt.: 529.6
Inv. Status: Under Synthesis

Cefoperazone EP Impurity B

Picture of Cefoperazone EP Impurity B
CAT No: SZ-C077003
CAS No: 711598-76-4
Mol.F. : C25H27N9O8S2
Mol.Wt. : 645.7
Inv. Status: Custom Synthesis
Rel. CAS No : 127923-94-8 (Na salt)
SZ-C077003
CAS No:711598-76-4
Mol.F.: C25H27N9O8S2
Mol.Wt.: 645.7
Inv. Status: Custom Synthesis
Rel. CAS No : 127923-94-8 (Na salt)

Cefoperazone EP Impurity C

Picture of Cefoperazone EP Impurity C
CAT No: SZ-C077004
CAS No: 13183-79-4
Mol.F. : C2H4N4S
Mol.Wt. : 116.2
Inv. Status: In Stock
Rel. CAS No : 51138-06-8 (Na salt) ; 62557-28-2 (K salt)
SZ-C077004
CAS No:13183-79-4
Mol.F.: C2H4N4S
Mol.Wt.: 116.2
Inv. Status: In Stock
Rel. CAS No : 51138-06-8 (Na salt) ; 62557-28-2 (K salt)

Cefoperazone EP Impurity D

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CAT No: SZ-C077005
CAS No: 37539-03-0
Mol.F. : C10H11N5O3S2
Mol.Wt. : 313.4
Inv. Status: In Stock
Rel. CAS No : 1184179-35-8 (HCl salt)
SZ-C077005
CAS No:37539-03-0
Mol.F.: C10H11N5O3S2 
Mol.Wt.: 313.4
Inv. Status: In Stock
Rel. CAS No : 1184179-35-8 (HCl salt)

Cefoperazone EP Impurity E

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CAT No: SZ-C077006
CAS No: 957-68-6
Mol.F. : C10H12N2O5S
Mol.Wt. : 272.3
Inv. Status: In Stock
Rel. CAS No : 57399-61-8 (HCl salt) ; 40994-22-7 (Na salt) ; 53064-81-6 (K salt)
SZ-C077006
CAS No:957-68-6
Mol.F.: C10H12N2O5S
Mol.Wt.: 272.3
Inv. Status: In Stock
Rel. CAS No : 57399-61-8 (HCl salt) ; 40994-22-7 (Na salt) ; 53064-81-6 (K salt)

Cefoperazone EP Impurity F

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CAT No: SZ-C077007
CAS No: 1315481-36-7
Mol.F. : C25H27N9O8S2
Mol.Wt. : 645.7
Inv. Status: Custom Synthesis
SZ-C077007
CAS No:1315481-36-7
Mol.F.: C25H27N9O8S2
Mol.Wt.: 645.7
Inv. Status: Custom Synthesis

Cefoperazone Impurity 1

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CAT No: SZ-C077008
CAS No: 59703-00-3
Mol.F. : C7H9ClN2O3
Mol.Wt. : 204.6
Inv. Status: In Stock
SZ-C077008
CAS No:59703-00-3
Mol.F.: C7H9ClN2O3 
Mol.Wt.: 204.6
Inv. Status: In Stock

Cefoperazone Impurity 2

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CAT No: SZ-C077009
CAS No: 62893-24-7
Mol.F. : C15H17N3O6
Mol.Wt. : 335.3
Inv. Status: Custom Synthesis
Rel. CAS No : 82778-05-0 (Na salt) ; 2267303-82-0 (K salt)
SZ-C077009
CAS No:62893-24-7
Mol.F.: C15H17N3O6 
Mol.Wt.: 335.3
Inv. Status: Custom Synthesis
Rel. CAS No : 82778-05-0 (Na salt) ; 2267303-82-0 (K salt)

Cefoperazone Impurity 4

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CAT No: SZ-C077011
CAS No: 1416704-15-8
Mol.F. : C7H10N2O4
Mol.Wt. : 186.2
Inv. Status: Custom Synthesis
SZ-C077011
CAS No:1416704-15-8
Mol.F.: C7H10N2O4 
Mol.Wt.: 186.2
Inv. Status: Custom Synthesis

Cefoperazone Impurity 5

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CAT No: SZ-C077012
CAS No: NA
Mol.F. : C24H25N5O8S2
Mol.Wt. : 575.6
Inv. Status: Custom Synthesis
SZ-C077012
CAS No:NA
Mol.F.: C24H25N5O8S2 
Mol.Wt.: 575.6
Inv. Status: Custom Synthesis

Cefoperazone Impurity 6

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CAT No: SZ-C077013
CAS No: NA
Mol.F. : C23H25N5O8S
Mol.Wt. : 531.6
Inv. Status: Custom Synthesis
SZ-C077013
CAS No:NA
Mol.F.: C23H25N5O8S 
Mol.Wt.: 531.6
Inv. Status: Custom Synthesis

Cefoperazone Impurity 7

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CAT No: SZ-C077014
CAS No: NA
Mol.F. : C9H11N5OS2
Mol.Wt. : 269.4
Inv. Status: Custom Synthesis
SZ-C077014
CAS No:NA
Mol.F.: C9H11N5OS2 
Mol.Wt.: 269.4
Inv. Status: Custom Synthesis

Cefoperazone Impurity 8

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CAT No: SZ-C077015
CAS No: 1204325-21-2
Mol.F. : C16H21BN4O7
Mol.Wt. : 392.2
Inv. Status: Custom Synthesis
SZ-C077015
CAS No:1204325-21-2
Mol.F.: C16H21BN4O7 
Mol.Wt.: 392.2
Inv. Status: Custom Synthesis

Cefoperazone Impurity 9

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CAT No: SZ-C077016
CAS No: NA
Mol.F. : C23H25N5O8S2
Mol.Wt. : 563.6
Inv. Status: Custom Synthesis
SZ-C077016
CAS No:NA
Mol.F.: C23H25N5O8S2 
Mol.Wt.: 563.6
Inv. Status: Custom Synthesis

Cefoperazone Sodium

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CAT No: SZ-C077017
CAS No: 62893-20-3
Mol.F. : C25H27N9O8S2 : Na
Mol.Wt. : 645.7 : 23.0
Inv. Status: In Stock, 3-4 days for Dispatch
Rel. CAS No : 62893-19-0 (free base) ; 1384378-47-5 (HCl salt) ; 2415371-88-7 (Sulfate salt) ; 113826-44-1 (dihydrate)
SZ-C077017
CAS No:62893-20-3
Mol.F.: C25H27N9O8S2 : Na
Mol.Wt.: 645.7 : 23.0
Inv. Status: In Stock, 3-4 days for Dispatch
Rel. CAS No : 62893-19-0 (free base) ; 1384378-47-5 (HCl salt) ; 2415371-88-7 (Sulfate salt) ; 113826-44-1 (dihydrate)

Cefoperazone Impurity 10

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CAT No: SZ-C077028
CAS No: NA
Mol.F. : C23H25N5O9S
Mol.Wt. : 547.5
Inv. Status: Custom Synthesis
SZ-C077028
CAS No:NA
Mol.F.: C23H25N5O9S
Mol.Wt.: 547.5
Inv. Status: Custom Synthesis

Cefoperazone Impurity 11

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CAT No: SZ-C077029
CAS No: 73240-09-2
Mol.F. : C23H25N5O9S
Mol.Wt. : 547.5
Inv. Status: Under Synthesis
SZ-C077029
CAS No:73240-09-2
Mol.F.: C23H25N5O9S
Mol.Wt.: 547.5
Inv. Status: Under Synthesis

Cefoperazone Impurity 12

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CAT No: SZ-C077030
CAS No: NA
Mol.F. : C23H25N5O9S
Mol.Wt. : 547.5
Inv. Status: Custom Synthesis
SZ-C077030
CAS No:NA
Mol.F.: C23H25N5O9S
Mol.Wt.: 547.5
Inv. Status: Custom Synthesis

Cefoperazone Impurity 13

Picture of Cefoperazone Impurity 13
CAT No: SZ-C077031
CAS No: NA
Mol.F. : C25H29N9O9S2
Mol.Wt. : 663.7
Inv. Status: Under Synthesis
SZ-C077031
CAS No:NA
Mol.F.: C25H29N9O9S2
Mol.Wt.: 663.7
Inv. Status: Under Synthesis