Impurity standards
EP Impurities
Impurities named in European Pharmacopoeia monographs, identified by a letter in the monograph text.
Omeprazole EP Impurity D (Omeprazole USP Related Compound A, Omeprazole Sulfone)
CAS88546-55-8
Cat. no.O-022
Purity
COA on file
Amoxicillin EP Impurity A(Sulbactam EP Impurity B)
CAS551-16-6
Cat. no.C4X-11482
Purity>95%
COA on file
Cefadroxil EP Impurity A(Amoxicillin EP Impurity I)
CAS22818-40-2
Cat. no.C4X-11492
Purity>95%
COA on file
Citalopram EP Impurity B (Escitalopram EP Impurity B )
CAS411221-53-9
Cat. no.C4X-11095
Purity>95%
COA on file
Rabeprazole EP Impurity H(Lansoprazole EP Impurity F)
CAS168167-42-8
Cat. no.C4X-11136
Purity>95%
COA on file
Alprostadil (Prostaglandin E1) EP Impurity A
CAS14152-28-4
Cat. no.C4X-199626
Purity>95%
COA on file
Aripiprazole Impurity N22（Aripiprazole EP Impurity B）
CAS41202-77-1
Cat. no.CP136412
Purity>95%
COA on file
Benazepril EP Impurity E HCl (Benazepril USP Related Compound E HCl)
CAS88372-47-8
Cat. no.C4X-20965
Purity>95%
COA on file
Dobutamine EP Impurity C (Dobutamine USP Related compound C)
CAS61413-44-3
Cat. no.C4X-129824
Purity>95%
COA on file
Esomeprazole EP Impurity E(Omeprazole EP Impurity E)
CAS176219-04-8
Cat. no.C4X-12555
Purity>95%
COA on file
Etodolac EP Impurity C (Etodolac USP Related Compound A)
CAS109518-47-0
Cat. no.C1056757
Purity>95%
COA on file
Flupentixol EP Impurity B (E and Z Mixture) HCl
CAS47346-96-3
Cat. no.C4X-18953
Purity>95%
COA on file
Flurbiprofen EP Impurity A(Flurbiprofen Related Compound A)
CAS6341-72-6
Cat. no.C4X-14447
Purity>95%
COA on file
Formoterol EP Impurity I (Enantiomer Mixture)
CAS532414-36-1
Cat. no.C4X-15259
Purity>95%
COA on file
Gadobutrol EP Impurity C (Gadoteridol USP Related Compound B)
CAS112188-16-6
Cat. no.C4X-2120100
Purity>95%
COA on file
Imatinib EP Impurity A (Mixture of Z/E-Isomer)
CAS55314-16-4
Cat. no.C4X-12563
Purity>95%
COA on file
Irinotecan Hydrochloride Trihydrate EP Impurity B
CAS19685-09-7
Cat. no.C4X-15711
Purity>95%
COA on file
Irinotecan Hydrochloride Trihydrate EP Impurity E
CAS86639-52-3
Cat. no.C4X-15713
Purity>95%
COA on file
Levocarnitine EP Impurity A Chloride（E-Isomer）
CAS144205-67-4
Cat. no.C4X-12921
Purity>95%
COA on file
Levofloxacin EP Impurity G HCl (Levofloxacin USP Related Compound E HCl)
CAS1346603-62-0
Cat. no.C4X-13715
Purity>95%
COA on file
Levofloxacin EP Impurity G(Levofloxacin USP Related Compound E)
CAS151250-76-9
Cat. no.C4X-137123
Purity>95%
COA on file
Lincomycin Hydrochloride EP Impurity B (Mixture of Z/E) HCl
CAS37744-65-3
Cat. no.C4X-134234
Purity>94%
COA on file
Metformin EP impurity F Tetrahydrofuran Solution
CAS124-40-3
Cat. no.C4X-12206
Purity>95%
COA on file
Olanzapine EP Impurity D (Olanzapine USP Related Compound C, Olanzapine N-Oxide (Piperazine N1-Oxide))
CAS174794-02-6
Cat. no.C1379316
Purity>95%
COA on file
Perindopril EP Impurity I（Enantiomer Mixture）tert-Butylamine Salt
CAS145513-33-3
Cat. no.C4X-12521
Purity>95%
COA on file
Propofol EP Impurity J(Propofol Related Compound B)
CAS1988-11-0
Cat. no.C4X-147310
Purity>90%
COA on file
Tigecycline EP Impurity D(Tigecycline USP related compound A)
CAS1138343-10-8
Cat. no.C4X-18601
Purity>80%
COA on file
Valaciclovir EP Impurity F(p-toluenesulfonic acid)
CAS86150-61-0
Cat. no.C4X-12486
Purity>95%
COA on file
Valaciclovir EP Impurity P(Valaciclovir Related Compound K)
CAS1356019-51-6
Cat. no.C4X-124833
Purity>90%
COA on file
Voriconazole EP Impurity B(Voriconazole Related Compound D)
CAS182369-73-9
Cat. no.C4X-13662
Purity
COA on file
Voriconazole EP Impurity D(Voriconazole Related Compound B)
CAS137234-63-0
Cat. no.C4X-13664
Purity>95%
COA on file
Voriconazole EP Impurity E(Voriconazole Related Compound F)
CAS5872-08-2
Cat. no.C4X-13665
Purity
COA on file
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