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Cefoperazone EP Impurity B

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Chemical Name: (6R,7R)-7-[[(2R)-2-[[(4-ethyl-2,3-dioxopiperazin-1-yl)carbonyl]amino]-2-(4-hydroxyphenyl)acetyl]amino]-3-[(4-methyl5-thioxo-4,5-dihydro-1H-tetrazol-1-yl)methyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid (as per EP)
CAT No: VS-C047005
CAS No: 711598-76-4
Mol.F. C25H27N9O8S2
Mol.Wt.: 645.7
Status: Custom Synthesis


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Cefoperazone

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CAT No: VS-C047000
CAS No: 62893-19-0
Mol.F.: C25H27N9O8S2
Mol.Wt.: 645.7
Status: Custom Synthesis

Cefoperazone Sodium

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CAT No: VS-C047001
CAS No: 62893-20-3
Mol.F.: C25H27N9O8S2 : Na
Mol.Wt.: 645.7 : 23.0
Status: Custom Synthesis

Cefoperazone Hydrochloride

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CAT No: VS-C047002
CAS No: 1384378-47-5
Mol.F.: C25H27N9O8S2 : HCl
Mol.Wt.: 645.7 : 36.5
Status: Custom Synthesis

Cefoperazone Sulfate

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CAT No: VS-C047003
CAS No: 2415371-88-7
Mol.F.: C25H27N9O8S2 : H2SO4
Mol.Wt.: 645.7 : 98.1
Status: Custom Synthesis

Cefoperazone EP Impurity A

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CAT No: VS-C047004
CAS No: 73240-08-1
Mol.F.: C23H23N5O8S 
Mol.Wt.: 529.6
Status: Custom Synthesis

Cefoperazone EP Impurity B

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CAT No: VS-C047005
CAS No: 711598-76-4
Mol.F.: C25H27N9O8S2
Mol.Wt.: 645.7
Status: Custom Synthesis

Cefoperazone EP Impurity B (Sodium salt)

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CAT No: VS-C047006
CAS No: 127923-94-8
Mol.F.: C25H27N9O8S2 : Na
Mol.Wt.: 645.7 : 23.0
Status: Custom Synthesis

Cefoperazone EP Impurity C

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CAT No: VS-C047007
CAS No: 13183-79-4
Mol.F.: C2H4N4S
Mol.Wt.: 116.2
Status: Custom Synthesis

Cefoperazone EP Impurity C (Sodium salt)

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CAT No: VS-C047008
CAS No: 51138-06-8
Mol.F.: C2H4N4S : Na
Mol.Wt.: 116.1 : 23.0
Status: Custom Synthesis

Cefoperazone EP Impurity C (Potassium salt)

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CAT No: VS-C047009
CAS No: 62557-28-2
Mol.F.: C2H4N4S : K
Mol.Wt.: 116.1 : 39.1
Status: Custom Synthesis

Cefoperazone EP Impurity D

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CAT No: VS-C047010
CAS No: 37539-03-0
Mol.F.: C10H11N5O3S2 
Mol.Wt.: 313.4
Status: Custom Synthesis

Cefoperazone EP Impurity D (HCl salt)

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CAT No: VS-C047011
CAS No: 1184179-35-8
Mol.F.: C10H11N5O3S2 : HCl
Mol.Wt.: 313.4 : 36.5
Status: Custom Synthesis

Cefoperazone EP Impurity E

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CAT No: VS-C047012
CAS No: 957-68-6
Mol.F.: C10H12N2O5S
Mol.Wt.: 272.3
Status: Custom Synthesis

Cefoperazone EP Impurity E (HCl salt)

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CAT No: VS-C047013
CAS No: 57399-61-8
Mol.F.: C10H12N2O5S : HCl
Mol.Wt.: 272.3 : 36.5
Status: Custom Synthesis

Cefoperazone EP Impurity E (Sodium salt)

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CAT No: VS-C047014
CAS No: 40994-22-7
Mol.F.: C10H12N2O5S : Na
Mol.Wt.: 272.3 : 23.0
Status: Custom Synthesis

Cefoperazone EP Impurity E (Potassium salt)

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CAT No: VS-C047015
CAS No: 53064-81-6
Mol.F.: C10H12N2O5S : K
Mol.Wt.: 272.3 : 39.1
Status: Custom Synthesis

Cefoperazone EP Impurity F

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CAT No: VS-C047016
CAS No: 1315481-36-7
Mol.F.: C25H29N9O8S2 
Mol.Wt.: 647.7
Status: Custom Synthesis

Cefoperazone Impurity 1

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CAT No: VS-C047017
CAS No: 59703-00-3
Mol.F.: C7H9ClN2O3 
Mol.Wt.: 204.61
Status: Custom Synthesis

Cefoperazone Impurity 2

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CAT No: VS-C047018
CAS No: 62893-24-7
Mol.F.: C15H17N3O6
Mol.Wt.: 335.32
Status: Custom Synthesis

Cefoperazone Impurity 2 (Sodium salt)

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CAT No: VS-C047019
CAS No: 82778-05-0
Mol.F.: C15H17N3O6 : Na
Mol.Wt.: 335.3 : 23.0
Status: Custom Synthesis

Cefoperazone Impurity 2 (Potassium salt)

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CAT No: VS-C047020
CAS No: 2267303-82-0
Mol.F.: C15H17N3O6 : K
Mol.Wt.: 335.3 : 39.1
Status: Custom Synthesis

Cefoperazone Impurity 4

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CAT No: VS-C047021
CAS No: 1416704-15-8
Mol.F.: C7H10N2O4 
Mol.Wt.: 186.17
Status: Custom Synthesis

Cefoperazone Impurity 5

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CAT No: VS-C047022
CAS No: N/A
Mol.F.: C24H25N5O8S2 
Mol.Wt.: 575.62
Status: Custom Synthesis

Cefoperazone Impurity 6

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CAT No: VS-C047023
CAS No: N/A
Mol.F.: C23H25N5O8S 
Mol.Wt.: 531.55
Status: Custom Synthesis

Cefoperazone Impurity 7

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CAT No: VS-C047024
CAS No: N/A
Mol.F.: C9H11N5OS2 
Mol.Wt.: 269.35
Status: Custom Synthesis

Cefoperazone Impurity 8

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CAT No: VS-C047025
CAS No: 1204325-21-2
Mol.F.: C16H21BN4O7 
Mol.Wt.: 392.18
Status: Custom Synthesis

Cefoperazone Impurity 9

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CAT No: VS-C047026
CAS No: N/A
Mol.F.: C23H25N5O8S2 
Mol.Wt.: 563.6
Status: Custom Synthesis

Cefoperazone Impurity 10

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CAT No: VS-C047027
CAS No: N/A
Mol.F.: C23H25N5O9S
Mol.Wt.: 547.5
Status: Custom Synthesis

Cefoperazone Impurity 11

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CAT No: VS-C047028
CAS No: 73240-09-2
Mol.F.: C23H25N5O9S
Mol.Wt.: 547.5
Status: Custom Synthesis

Cefoperazone Impurity 12

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CAT No: VS-C047029
CAS No: N/A
Mol.F.: C23H25N5O9S
Mol.Wt.: 547.5
Status: Custom Synthesis

Cefoperazone Impurity 13

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CAT No: VS-C047030
CAS No: N/A
Mol.F.: C25H29N9O9S2
Mol.Wt.: 663.7
Status: Custom Synthesis
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