Pharmaceutical Impurity Reference Standards

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Structure Chemical Name CAS MF
Boric  acid  (isotope  ratio) Boric acid (isotope ratio)
Cefadroxil Related CoMpound I Cefadroxil Related CoMpound I 147103-94-4 C16H17N3O5S
Cefprozil Related CoMpound H Cefprozil Related CoMpound H
Copper-65Cu  solution Copper-65Cu solution Cu
Boron-11B  solution Boron-11B solution BH3
Platinum  (isotope  ratio) Platinum (isotope ratio)
Abacavir Related CoMpounds Mixture Abacavir Related CoMpounds Mixture
Chloroquine Related CoMpound E Chloroquine Related CoMpound E 5428-61-5 C18H26ClN3
Fosinopril Related CoMpound F Fosinopril Related CoMpound F
OMeprazole Related CoMpound F and G Mixture OMeprazole Related CoMpound F and G Mixture
Pyrantel Related CoMpound A Pyrantel Related CoMpound A
SulfaMethoxazole Related CoMpound F SulfaMethoxazole Related CoMpound F 17103-52-5 C10H11N3O3S
CeftazidiMe, Delta-3-IsoMer CeftazidiMe, Delta-3-IsoMer
ZINC-64 ZINC-64 Zn
EUROSOIL 3 EUROSOIL 3
Temazepam Related Compound F (15 mg) (7-chloro-1-methyl-5-phenyl-4,5-dihydro-1H-1,4-benzodiazepine-2,3-dione) Temazepam Related Compound F (15 mg) (7-chloro-1-methyl-5-phenyl-4,5-dihydro-1H-1,4-benzodiazepine-2,3-dione) 3294-96-0 C16H13ClN2O2
ARTICAINE IMPURITY E ARTICAINE IMPURITY E
FOSCARNET IMPURITY B FOSCARNET IMPURITY B 55920-24-6 C3H8NaO5P
CitalopraM Related CoMpound G CitalopraM Related CoMpound G
ARTICAINE IMPURITY A ARTICAINE IMPURITY A 1712677-79-6 C12H18N2O3S
AMIODARONE IMPURITY E AMIODARONE IMPURITY E
EUROSOIL 1 EUROSOIL 1
Naratriptan Resolution Mixture Naratriptan Resolution Mixture
96946-42-8 96946-42-8 96946-42-8
L-Cefadroxil L-Cefadroxil 144790-28-3 C16H17N3O5S
Cadmium-111Cd  solution Cadmium-111Cd solution Cd
Pharmaceutical  glass  containers  (Alkali  leaching  and  release) Pharmaceutical glass containers (Alkali leaching and release)
Lithium  carbonate-7Li Lithium carbonate-7Li 7Li2CO3
Resin  bonded  glass  fibreboard  (thermal  conductivity) Resin bonded glass fibreboard (thermal conductivity)
Rosiglitazone Related Compound A (25 mg) ((5Z)-5-{[4-({2-[methyl(2-pyridinyl)amino]ethyl}oxy)phenyl]methylidene}-1,3-thiazolidine-2,4-dione) Rosiglitazone Related Compound A (25 mg) ((5Z)-5-{[4-({2-[methyl(2-pyridinyl)amino]ethyl}oxy)phenyl]methylidene}-1,3-thiazolidine-2,4-dione) 160596-25-8 C18H17N3O3S
Oxybutynin IMpurity C Oxybutynin IMpurity C 1199574-70-3 C21H29NO3
OseltaMivir IMpurity A OseltaMivir IMpurity A 1364932-19-3 C14H24N2O4
LaMivudine Resolution Mixture C LaMivudine Resolution Mixture C
DIPHENOXYLATE HYDROCHLORIDE - REFERENCE SPECTRUM DIPHENOXYLATE HYDROCHLORIDE - REFERENCE SPECTRUM
METHYLTHIONINIUM IMPURITY A METHYLTHIONINIUM IMPURITY A 1231958-32-9 C16H18N3S+
TIAPRIDE N-OXIDE TIAPRIDE N-OXIDE 63484-11-7 C15H24N2O5S
ACECLOFENAC - REFERENCE SPECTRUM ACECLOFENAC - REFERENCE SPECTRUM
1-(3,4-dichlorophenyl)-5-isopropylbiguanide monohydrochloride 1-(3,4-dichlorophenyl)-5-isopropylbiguanide monohydrochloride 6001-93-0 C11H16Cl3N5
POLYGLYCERYL-3 DIISOSTEARATE POLYGLYCERYL-3 DIISOSTEARATE 66082-42-6 C45H88O9
Silicon  (isotope  ratio) Silicon (isotope ratio)
Oxymetazoline impurity A Oxymetazoline impurity A
Triprolidine Hydrochloride Z-IsoMer Triprolidine Hydrochloride Z-IsoMer 51657-91-1 C19H23ClN2
Risperidone Related CoMpounds Mixture Risperidone Related CoMpounds Mixture
SalMeterol Resolution Check SalMeterol Resolution Check C25H37NO4
MONOSTEARYL MALEATE (100 MG) MONOSTEARYL MALEATE (100 MG) 2424-62-6 C22H40O4
IFOSFAMIDE IMPURITY E IFOSFAMIDE IMPURITY E 42453-19-0 C5H11Cl2N
PANCREAS POWDER (PROTEASE) BRP PANCREAS POWDER (PROTEASE) BRP
RETINOL ESTERS RETINOL ESTERS
OXFENDAZOLE WITH IMPURITY D OXFENDAZOLE WITH IMPURITY D
GENOMIC DNA OF ESCHERICHIA COLI O157 (EDL 933) GENOMIC DNA OF ESCHERICHIA COLI O157 (EDL 933)
Vitamin D Assay System Suitability Vitamin D Assay System Suitability
GMO  Standard  ERM-BF411,  Maize  Bt-176 GMO Standard ERM-BF411, Maize Bt-176
SuMatriptan Succinate Related IMpurities SuMatriptan Succinate Related IMpurities
HEPARIN LOW-MOLECULAR-MASS FOR ASSAY BRP HEPARIN LOW-MOLECULAR-MASS FOR ASSAY BRP
Interferonbeta1a/Humaninterferonbeta1a Interferonbeta1a/Humaninterferonbeta1a 145258-61-3
Magnesium-24Mg  solution Magnesium-24Mg solution
Megestrol Acetate IMpurity K Megestrol Acetate IMpurity K
MeloxicaM Related CoMpound D MeloxicaM Related CoMpound D
Abacavir StereoisoMers Mixture Abacavir StereoisoMers Mixture
Chloroquine Related CoMpound G Chloroquine Related CoMpound G
Medroxyprogesterone Acetate Related CoMpound A Medroxyprogesterone Acetate Related CoMpound A
EUROSOIL 2 EUROSOIL 2
AMIODARONE IMPURITY D AMIODARONE IMPURITY D
DIPHENHYDRAMINE IMPURITY A DIPHENHYDRAMINE IMPURITY A C17H21NO
CHLORAMPHENICOL DISODIUM DISUCCINATE CHLORAMPHENICOL DISODIUM DISUCCINATE C19H20Cl2N2Na2O13-2
TRANS-EPOXYPHYTOMENADIONE TRANS-EPOXYPHYTOMENADIONE
ESKETAMINE HYDROCHLORIDE - REFERENCE SPECTRUM ESKETAMINE HYDROCHLORIDE - REFERENCE SPECTRUM
70476-82-3 70476-82-3 70476-82-3
3-[1-hydroxy-4-[4-(hydroxydiphenylMethyl)-1-piperidinyl]butyl]-alpha,alpha-diMethyl benzeneacetic acid hydrochloride 3-[1-hydroxy-4-[4-(hydroxydiphenylMethyl)-1-piperidinyl]butyl]-alpha,alpha-diMethyl benzeneacetic acid hydrochloride C32H40ClNO4
Cefprozil Related CoMpound K Cefprozil Related CoMpound K
92-54-6 92-54-6 92-54-6 C10H14N2
N-(alpha,alpha,alpha-Trifluoro-m-tolyl)anthranilic acid 2-hydroxyethyl ester N-(alpha,alpha,alpha-Trifluoro-m-tolyl)anthranilic acid 2-hydroxyethyl ester 32508-98-8 C16H14F3NO3
FLECAINIDE IMPURITY A FLECAINIDE IMPURITY A
IFOSFAMIDE - REFERENCE SPECTRUM IFOSFAMIDE - REFERENCE SPECTRUM
PROPACETAMOL HYDROCHLORIDE - REFERENCE SPECTRUM PROPACETAMOL HYDROCHLORIDE - REFERENCE SPECTRUM
DANAPAROID SODIUM DANAPAROID SODIUM
EUROSOIL 5 EUROSOIL 5
Hemoglobin  HbA0  (non-glycated) Hemoglobin HbA0 (non-glycated)
dihydrovinpocetine dihydrovinpocetine
Abacavir Related CoMpound D Abacavir Related CoMpound D 1443421-69-9 C18H21ClN10O
Enrofloxacin Related CoMpound Mixture Enrofloxacin Related CoMpound Mixture
SalMeterol Related CoMpound A SalMeterol Related CoMpound A
INTERFERON GAMMA 1 B INTERFERON GAMMA 1 B 98059-61-1
OXOLINIC ACID IMPURITY A OXOLINIC ACID IMPURITY A 26893-27-6 C11H7NO5
OXFENDAZOLE IMPURITY B OXFENDAZOLE IMPURITY B
DICLAZURIL FOR VETERINARY USE - REFERENCE SPECTRUM DICLAZURIL FOR VETERINARY USE - REFERENCE SPECTRUM
CLOSANTEL SODIUM DIHYDRATE CLOSANTEL SODIUM DIHYDRATE
(R)-TIMOLOL (R)-TIMOLOL
TRICLOSAN RELATED COMPOUNDS MIXTURE A (1.2 ML/AMPULE; 3 AMPULES) TRICLOSAN RELATED COMPOUNDS MIXTURE A (1.2 ML/AMPULE; 3 AMPULES)
picotamide monohydrate picotamide monohydrate 80530-63-8
EUROSOIL 4 EUROSOIL 4
Zinc  67Zn  solution  (certified  for  isotope  abundance  ratio) Zinc 67Zn solution (certified for isotope abundance ratio) Zn
Human  serum  (high  creatinine) Human serum (high creatinine)
3-[3-(diMethylaMino)-1-propyl](4-fluorophenyl)-6-cyano-1(3H)-isobenzofuranone oxalate 3-[3-(diMethylaMino)-1-propyl](4-fluorophenyl)-6-cyano-1(3H)-isobenzofuranone oxalate C22H21FN2O6
Anastrozole iMpurity E Anastrozole iMpurity E
Fluticasone Propionate Resolution Mixture Fluticasone Propionate Resolution Mixture C28H35F3O6S
Levothyroxine for Peak Identification Levothyroxine for Peak Identification
Orlistat Related CoMpound E Orlistat Related CoMpound E
SuMatriptan Succinate Related CoMpound C SuMatriptan Succinate Related CoMpound C
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