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Cefazolin EP Impurity K

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Chemical Name: (6R,7R)-3-[[(5-methyl-1,3,4-thiadiazol-2-yl)sulfanyl]methyl]-8-oxo-7-[(1H-tetrazol-1-ylacetyl)amino]-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxamide (as per EP)
CAT No: VS-C042022
CAS No: 2410652-70-7
Mol.F. C14H15N9O3S3
Mol.Wt.: 453.5
Status: Custom Synthesis


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Cefazolin

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CAT No: VS-C042000
CAS No: 25953-19-9
Mol.F.: C14H14N8O4S3
Mol.Wt.: 454.5
Status: Custom Synthesis

Cefazolin Sodium

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CAT No: VS-C042001
CAS No: 27164-46-1
Mol.F.: C14H13N8NaO4S3
Mol.Wt.: 476.5
Status: Custom Synthesis

Cefazolin EP Impurity A

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CAT No: VS-C042002
CAS No: 30246-33-4
Mol.F.: C11H12N4O3S3
Mol.Wt.: 344.4
Status: Custom Synthesis

Cefazolin EP Impurity A Sodium salt

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CAT No: VS-C042003
CAS No: 66659-21-0
Mol.F.: C11H12N4O3S3 : Na
Mol.Wt.: 344.4 : 23.0
Status: Custom Synthesis

Cefazolin EP Impurity A Potassium salt

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CAT No: VS-C042004
CAS No: 88739-52-0
Mol.F.: C11H12N4O3S3 : K
Mol.Wt.: 344.4 : 39.1
Status: Custom Synthesis

Cefazolin EP Impurity A Hydrochloride

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CAT No: VS-C042005
CAS No: 98493-37-9
Mol.F.: C11H12N4O3S3 : HCl
Mol.Wt.: 344.4 : 36.5
Status: Custom Synthesis

Cefazolin EP Impurity B

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CAT No: VS-C042006
CAS No: 2384108-14-7
Mol.F.: C16H20N4O4S3
Mol.Wt.: 428.5
Status: Custom Synthesis

Cefazolin EP Impurity C

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CAT No: VS-C042007
CAS No: 56842-77-4
Mol.F.: C11H12N6O4S
Mol.Wt.: 324.3
Status: Custom Synthesis

Cefazolin EP Impurity C Sodium salt

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CAT No: VS-C042008
CAS No: 37051-04-0
Mol.F.: C11H12N6O4S : Na
Mol.Wt.: 324.3 : 23.0
Status: Custom Synthesis

Cefazolin EP Impurity D

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CAT No: VS-C042009
CAS No: 32510-61-5
Mol.F.: C13H14N6O6S
Mol.Wt.: 382.4
Status: Custom Synthesis

Cefazolin EP Impurity D Sodium salt

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CAT No: VS-C042010
CAS No: 27164-45-0
Mol.F.: C13H14N6O6S : Na
Mol.Wt.: 382.4 : 23.0
Status: Custom Synthesis

Cefazolin EP Impurity D Potassium salt

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CAT No: VS-C042011
CAS No: 117030-04-3
Mol.F.: C13H14N6O6S : K
Mol.Wt.: 382.4 : 39.1
Status: Custom Synthesis

Cefazolin EP Impurity E

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CAT No: VS-C042012
CAS No: 29490-19-5
Mol.F.: C3H4N2S2
Mol.Wt.: 132.2
Status: Custom Synthesis

Cefazolin EP Impurity E Sodium salt

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CAT No: VS-C042013
CAS No: 40045-85-0
Mol.F.: C3H4N2S2 : Na
Mol.Wt.: 132.2 : 23.0
Status: Custom Synthesis

Cefazolin EP Impurity E Potassium salt

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CAT No: VS-C042014
CAS No: 79929-61-6
Mol.F.: C3H4N2S2 : K
Mol.Wt.: 132.2 : 39.1
Status: Custom Synthesis

Cefazolin EP Impurity G

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CAT No: VS-C042015
CAS No: N/A
Mol.F.: C11H10N6O4S : C6H15N
Mol.Wt.: 322.3 : 101.2
Status: Custom Synthesis

Cefazolin EP Impurity H

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CAT No: VS-C042016
CAS No: 957-68-6
Mol.F.: C10H12N2O5S
Mol.Wt.: 272.3
Status: Custom Synthesis

Cefazolin EP Impurity H Sodium salt

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CAT No: VS-C042017
CAS No: 40994-22-7
Mol.F.: C10H12N2O5S : Na
Mol.Wt.: 272.3 : 23.0
Status: Custom Synthesis

Cefazolin EP Impurity H Potassium salt

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CAT No: VS-C042018
CAS No: 53064-81-6
Mol.F.: C10H12N2O5S : K
Mol.Wt.: 272.3 : 39.1
Status: Custom Synthesis

Cefazolin EP Impurity H Hydrochloride

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CAT No: VS-C042019
CAS No: 57399-61-8
Mol.F.: C10H12N2O5S : HCl
Mol.Wt.: 272.3 : 36.5
Status: Custom Synthesis

Cefazolin EP Impurity I

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CAT No: VS-C042020
CAS No: 1675244-99-1
Mol.F.: C14H16N8O5S3
Mol.Wt.: 472.5
Status: Custom Synthesis

Cefazolin EP Impurity J

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CAT No: VS-C042021
CAS No: 1675245-00-7
Mol.F.: C11H12N6O5S
Mol.Wt.: 340.3
Status: Custom Synthesis

Cefazolin EP Impurity K

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CAT No: VS-C042022
CAS No: 2410652-70-7
Mol.F.: C14H15N9O3S3
Mol.Wt.: 453.5
Status: Custom Synthesis

Cefazolin EP Impurity L

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CAT No: VS-C042023
CAS No: N/A
Mol.F.: C14H14N8O4S3
Mol.Wt.: 454.5
Status: Custom Synthesis

Tetrazolyl Acetamide Diethyl Acetal

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CAT No: VS-C042024
CAS No: 2150044-08-7
Mol.F.: C9H17N5O3
Mol.Wt.: 243.3
Status: Custom Synthesis

Tetrazolylacetic Acid (USP)

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CAT No: VS-C042025
CAS No: 21732-17-2
Mol.F.: C3H4N4O2
Mol.Wt.: 128.1
Status: Custom Synthesis

Cefazolin 3-Hydroxymethyl Impurity

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CAT No: VS-C042026
CAS No: 478494-71-2
Mol.F.: C11H12N6O5S
Mol.Wt.: 340.3
Status: Custom Synthesis

Tetrazolyl Acetamide Acetal

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CAT No: VS-C042027
CAS No: 1675245-47-2
Mol.F.: C5H9N5O3
Mol.Wt.: 187.2
Status: Custom Synthesis

Cefazolin Lactone G

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CAT No: VS-C042028
CAS No: 1172998-53-6
Mol.F.: C11H10N6O4S
Mol.Wt.: 322.3
Status: Custom Synthesis

Cefazolin Lactone Open Ring

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CAT No: VS-C042029
CAS No: N/A
Mol.F.: C11H12N6O5S
Mol.Wt.: 340.3
Status: Custom Synthesis

Cefazolin Diethylamide Δ2 Isomer

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CAT No: VS-C042030
CAS No: N/A
Mol.F.: C18H23N9O3S3
Mol.Wt.: 509.6
Status: Custom Synthesis

Cefazolin Delta-2-Isomer

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CAT No: VS-C042031
CAS No: 55390-53-9
Mol.F.: C14H14N8O4S3
Mol.Wt.: 454.5
Status: Custom Synthesis

Cefazolinamide

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CAT No: VS-C042032
CAS No: N/A
Mol.F.: C14H15N9O3S3
Mol.Wt.: 453.5
Status: Custom Synthesis

Cefazolin Impurity (1H-Tetrazole-1-Acetic Acid) Sodium salt

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CAT No: VS-C042033
CAS No: 51286-84-1
Mol.F.: C3H4N4O2 : Na
Mol.Wt.: 128.1 : 23.0
Status: Custom Synthesis

Cefazolin Impurity (1H-Tetrazole-1-Acetic Acid) Potassium salt

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CAT No: VS-C042034
CAS No: 51286-83-0
Mol.F.: C3H4N4O2 : K
Mol.Wt.: 128.1 : 39.1
Status: Custom Synthesis

Cefazolin Impurity (1H-Tetrazole-1-Acetic Acid) Hydrochloride

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CAT No: VS-C042035
CAS No: 1222197-07-0
Mol.F.: C3H4N4O2 : HCl
Mol.Wt.: 128.1 : 36.5
Status: Custom Synthesis

Cefazolin 3-Hydroxymethyl Impurity Sodium salt

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CAT No: VS-C042036
CAS No: 50971-65-8
Mol.F.: C11H12N6O5S : Na
Mol.Wt.: 340.3 : 23.0
Status: Custom Synthesis

Cefazolin Impurity 1

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CAT No: VS-C042037
CAS No: 2416213-67-5
Mol.F.: C18H20N4O8S2
Mol.Wt.: 484.5
Status: Custom Synthesis

Cefazolin Impurity 3

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CAT No: VS-C042038
CAS No: N/A
Mol.F.: C13H17N3O6S
Mol.Wt.: 343.4
Status: Custom Synthesis

Cefazolin Impurity 4

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CAT No: VS-C042039
CAS No: N/A
Mol.F.: C13H17N3O7S
Mol.Wt.: 359.4
Status: Custom Synthesis

Cefazolin Impurity 5

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CAT No: VS-C042040
CAS No: 1797135-60-4
Mol.F.: C5H7N5O2
Mol.Wt.: 169.1
Status: Custom Synthesis
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