Impurity standards
By Drug Substance
Impurity and reference standards organised by the parent drug substance they relate to.
Cefaclor Degradation A Impurity (H-D-Phg-Gly-OH)
CAS6453-64-1
Cat. no.C4X-127044
Purity>90%
COA on file
Omeprazole EP Impurity D (Omeprazole USP Related Compound A, Omeprazole Sulfone)
CAS88546-55-8
Cat. no.O-022
Purity
COA on file
Orlistat USP Related Compound (Orlistat open ring epimer)
CAS130793-28-1
Cat. no.C4X-14998
Purity>90%
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
Clopidogrel Metabolite I (Mixture of Diastereomers)
CAS767612-34-0
Cat. no.C4X-102937
Purity
COA on file
Sitagliptin Impurity 78 (Nitroso-STG-19) (NTTP)
CAS2892260-32-9
Cat. no.C4X-114478
Purity>95%
COA on file
Cefazolin USP Related Compound D(Diastereoisomer Mixture)
CAS1675245-01-8
Cat. no.C4X-157745
Purity>95%
COA on file
Tenofovir Disoproxil USP Related Compound A
CAS1432630-26-6
Cat. no.C4X-10761
Purity>95%
COA on file
Tenofovir Disoproxil USP Related Compound B
CAS1446486-33-4
Cat. no.C4X-10762
Purity>95%
COA on file
Tenofovir Disoproxil USP Related Compound G
CAS1422284-15-8
Cat. no.C4X-107611
Purity>95%
COA on file
Alprostadil (Prostaglandin E1) EP Impurity A
CAS14152-28-4
Cat. no.C4X-199626
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
Etodolac EP Impurity C (Etodolac USP Related Compound A)
CAS109518-47-0
Cat. no.C1056757
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
Perindopril EP Impurity I（Enantiomer Mixture）tert-Butylamine Salt
CAS145513-33-3
Cat. no.C4X-12521
Purity>95%
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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