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Pharmaceutical analytical standards

APIs, pharmacopoeial impurities, metabolites, nitrosamines and labelled standards.

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Results 11,521-11,530 of 59,523

Flomoxef Impurity 2

ImpurityLevels of characterisation
Cat. No.
P-F059-007
Formula
C29H25ClN2O6
Family
Flomoxef
Synonyms
Benzhydryl (6R,7R)-7-benzamido-3-(chloromethyl)-7-methoxy-8-oxo-5-oxa-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate

Flomoxef Impurity 20

ImpurityLevels of characterisation
Cat. No.
P-F059-028
Formula
C25H26N6O6S
Family
Flomoxef
Synonyms
Benzhydryl (6R,7R)-7-amino-3-[[1-(2-hydroxyethyl)tetrazol-5-yl]sulfanylmethyl]-7-methoxy-8-oxo-5-oxa-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate

Flomoxef Impurity 21

ImpurityLevels of characterisation
Cat. No.
P-F059-029
Formula
C27H30F4N8O13S3
Family
Flomoxef
Synonyms
(6R,7R)-3-[[1-[2-[(2R)-2-[(2R)-4-Carboxy-5-methylidene-2H-1,3-oxazin-2-yl]-2-[[2-(difluoromethylsulfanyl)acetyl]amino]-2-methoxyacetyl]oxyethyl]tetrazol-5-yl]sulfanylmethyl]-7-[[2-(difluoromethylsulfanyl)acetyl]amino]-7-methoxy-8-oxo-5-oxa-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

Flomoxef Impurity 23

ImpurityLevels of characterisation
Cat. No.
P-F059-031
Formula
C24H21ClF2N2O5S
Family
Flomoxef
Synonyms
Benzhydryl (6R,7R)-3-(chloromethyl)-7-[[2-(difluoromethylsulfanyl)acetyl]amino]-8-oxo-5-oxa-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate

Flomoxef Impurity 25

ImpurityLevels of characterisation
Cat. No.
P-F059-033
Formula
C22H21ClN2O5
Family
Flomoxef
Synonyms
Benzhydryl (6R,7R)-7-amino-3-(chloromethyl)-7-methoxy-8-oxo-5-oxa-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate

Flomoxef Impurity 27

ImpurityLevels of characterisation
Cat. No.
P-F059-035
Formula
C12H12F2N2O6S
Family
Flomoxef
Synonyms
2-(Difluoromethylsulfanyl)-N-[(4R,5R)-4-methoxy-3,11-dioxo-6,10-dioxa-2-azatricyclo[6.3.0.02,5]undec-1(8)-en-4-yl]acetamide

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