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Pharmaceutical analytical standards

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

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Results 28,801-28,810 of 36,550

Ceftibuten Impurity 1

ImpurityLevels of characterisation
Cat. No.
P-C103-009
CAS
102199-53-1
Formula
C16H14N2O6S
Family
Ceftibuten
Synonyms
2-(2-(((benzyloxy)carbonyl)amino)thiazol-4-yl)pent-2-enedioic acid

Ceftibuten Impurity 14

ImpurityLevels of characterisation
Cat. No.
P-C103-022
CAS
51762-51-7
Formula
C28H26N2O5S
Family
Ceftibuten
Synonyms
Benzhydryl (6R)-3-hydroxy-8-oxo-7-[(2-phenylacetyl)amino]-5-thia-1-azabicyclo[4.2.0]octane-2-carboxylate

Ceftibuten Impurity 15

ImpurityLevels of characterisation
Cat. No.
P-C103-023
CAS
92096-37-2
Formula
C29H26N2O7S2
Family
Ceftibuten
Synonyms
Benzhydryl (6R,7R)-3-methylsulfonyloxy-8-oxo-7-[(2-phenylacetyl)amino]-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate, Diphenylmethyl (6R,7R)-3-((methylsulfonyl)oxy)-8-oxo-7-((phenylacetyl)amino)-5-thia-1-azabicyclo(4.2.0)oct-2-ene-2-carboxylate

Ceftibuten Impurity 16

ImpurityLevels of characterisation
Cat. No.
P-C103-024
CAS
90712-49-5
Formula
C7H8N2O3S
Family
Ceftibuten
Synonyms
(6R,7R)-7-Amino-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-3-ene-2-carboxylic acid

Ceftibuten Impurity 17

ImpurityLevels of characterisation
Cat. No.
P-C103-025
CAS
174761-17-2
Formula
C41H38N4O8S2
Family
Ceftibuten
Synonyms
Benzhydryl (6R,7R)-7-[[(Z)-5-(3-methylbut-2-enoxy)-5-oxo-2-[2-(phenylmethoxycarbonylamino)-1,3-thiazol-4-yl]pent-2-enoyl]amino]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate, Ceftibuten Impurity 4

Ceftibuten Impurity 18

ImpurityLevels of characterisation
Cat. No.
P-C103-026
CAS
57028-71-4
Formula
C20H18N2O3S
Family
Ceftibuten
Synonyms
Diphenylmethyl 7beta-Amino-3-cephem-4-carboxylate, Diphenylmethyl (6R,7R)-7-Amino-8-oxo-5-thia-1-azabicyclo(4.2.0)oct-2-ene-2-carboxylate

Ceftibuten Impurity 3

ImpurityLevels of characterisation
Cat. No.
P-C103-011
CAS
103054-27-9
Formula
C19H20N2O6S
Family
Ceftibuten
Synonyms
1-O-Ethyl 5-O-methyl 2-[2-(phenylmethoxycarbonylamino)-1,3-thiazol-4-yl]pent-2-enedioate

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