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Pharmaceutical Impurity Reference Standards
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- Chemical Name:
- Pimecrolimus Impurity 1
- Chemical Name:
- Rosuvastatin Impurity 99
- Chemical Name:
- Terbutaline Impurity 18
- Chemical Name:
- Ticagrelor Impurity 123
- Structure:
- Chemical Name:
- Tofacitinib Impurity 112
- CAS:
- 2179757-75-4
- MF:
- C12H19N3O2
- Chemical Name:
- Trelagliptin Impurity 42
- Chemical Name:
- Carbocistein Impurity E
- Structure:
- Chemical Name:
- Tolvaptan Impurity 35
- CAS:
- 1316312-24-9
- MF:
- C10H10ClN
- Chemical Name:
- Erythromycin Impurity F
- Chemical Name:
- Apixaban Impurity 39
- Chemical Name:
- Aztreonam Impurity 1
- Chemical Name:
- Axitinib Impurity 1
- Chemical Name:
- Aprepitant Impurity 15
- Structure:
- Chemical Name:
- Trelagliptin Impurity 17
- CAS:
- 865759-02-0
- MF:
- C17H20BrFN4O2
- Chemical Name:
- Dapoxetine Impurity 1
- CAS:
- 2825577-69-1
- Chemical Name:
- Regorafenib Impurity 15
- CAS:
- 3083426-64-3
- Chemical Name:
- Flomoxef Impurity 2
- Chemical Name:
- Varenicline Impurity 2
- Structure:
- Chemical Name:
- (S)-3-Methyl-1-(2-piperidin-1-ylphenyl)butylamine
- CAS:
- 147769-93-5
- MF:
- C16H26N2
- Chemical Name:
- Bimatoprost Impurity 17
- Chemical Name:
- Bumetanide Impurity 10
- Chemical Name:
- Cefoxitin EP Impurity E (R-methoxy cefoxitin)
- Structure:
- Chemical Name:
- 4(1H)-Pyrimidinone, 5-amino-6-chloro-2-(propylthio)-
- CAS:
- 2512210-21-6
- MF:
- C7H10ClN3OS
- Structure:
- Chemical Name:
- Carbamic acid, N-[(1S)-1-methyl-2-oxo-2-[3-(phenylmethoxy)phenyl]ethyl]-, phenylmethyl ester
- CAS:
- 2151127-61-4
- MF:
- C24H23NO4
- Structure:
- Chemical Name:
- 1-(chloromethyl)-4-(dichloromethyl)benzene
- CAS:
- 7398-44-9
- MF:
- C8H7Cl3
- Structure:
- Chemical Name:
- 4,4'-(propane-1,3-diyl)bismorpholine
- CAS:
- 48152-09-6
- MF:
- C11H22N2O2
- Chemical Name:
- Roxadustat Impurity 17
- Chemical Name:
- Perospirone Impurity 20
- CAS:
- 1002359-81-0
- Chemical Name:
- Dolutegravir Impurity 19
- Chemical Name:
- Cephalexin Impurity I
- Chemical Name:
- Fondaparinux sodium impurity 6
- Chemical Name:
- Fondaparinux sodium impurity 2
- Chemical Name:
- Oxacillin sodium Impurity I
- Chemical Name:
- Mixture of Cefoxitin Impurity E&F
- Chemical Name:
- Revefenacin Impurity 22
- Chemical Name:
- Lasmiditan Impurity 7
- Structure:
- Chemical Name:
- Metronidazole IMpurity (1-Methyl-4-Nitro-1H-IMidazole)
- CAS:
- 143508-97-8
- MF:
- C2H3NO
- Structure:
- Chemical Name:
- benidipine
- CAS:
- 119009-45-9
- MF:
- C28H31N3O6
- Structure:
- Chemical Name:
- (S)-Phenylephrine hydrochloride
- CAS:
- 939-38-8
- MF:
- C9H14ClNO2
- Chemical Name:
- Topiroxostat Impurity 5
- Chemical Name:
- Everolimus Impurity 5
- Chemical Name:
- Ibrutinib Impurity 3
- Chemical Name:
- Canagliflozin Impurity 9
- Structure:
- Chemical Name:
- Clopidogrel Impurity 14
- MF:
- C15H14ClNO2S
- Chemical Name:
- Febuxostat Impurity 53
- Chemical Name:
- Cefodizime Impurity C
- Chemical Name:
- Riociguat IMpurtiy F
- Chemical Name:
- Acrivastine Impurity 1
- Structure:
- Chemical Name:
- Nifedipine impurity 10
- CAS:
- 10323-98-5
- MF:
- C13H13NO3
- Chemical Name:
- Cefminox Sodium impurity E
- Chemical Name:
- Clindamycin Impurity D
- Chemical Name:
- Fasudil iMpurity C
- Chemical Name:
- Cefminox Impurity D
- Structure:
- Chemical Name:
- SORAFENIB N-OXIDE
- CAS:
- 583840-03-3
- MF:
- C21H16ClF3N4O4
- Chemical Name:
- Febuxostat impurity BAC
- Structure:
- Chemical Name:
- 4-(3,4-DICHLOROPHENYL)-1,2,3,4-TETRAHYDRO-1-NAPHTHALENOL
- CAS:
- 866018-46-4
- MF:
- C16H14Cl2O
- Chemical Name:
- Lasmiditan Impurity 9
- Chemical Name:
- Letermovir Impurity 2
- Structure:
- Chemical Name:
- 1H-Imidazole-2-carboxylic acid
- CAS:
- 16042-25-4
- MF:
- C4H4N2O2
- Chemical Name:
- Olodaterol Impurity 19
- Chemical Name:
- Ethacridine Impurity 12
- Structure:
- Chemical Name:
- 2-[4-[(2RS)-2-HYDROXY-3[(1-METHYLETHYL)AMINO]PROPOXY]PHENYL]ACETONITRILE
- CAS:
- 29277-73-4
- MF:
- C14H20N2O2
- Structure:
- Chemical Name:
- (-)-Nebivolol
- CAS:
- 118457-16-2
- MF:
- C22H25F2NO4
- Structure:
- Chemical Name:
- 2-Hydroxymethyl Olanzapine
- CAS:
- 174756-45-7
- MF:
- C17H20N4OS
- Structure:
- Chemical Name:
- 5-Hydroxymethyl Flucloxacillin
- CAS:
- 75524-31-1
- MF:
- C19H17ClFN3O6S
- Structure:
- Chemical Name:
- 6-Hydroxy-5-methoxy-1-indanone
- CAS:
- 90843-62-2
- MF:
- C10H10O3
- Structure:
- Chemical Name:
- 9-cis Acitretin
- CAS:
- 419534-31-9
- MF:
- C21H26O3
- Structure:
- Chemical Name:
- N-Desmethylvinblastine
- CAS:
- 18172-50-4
- MF:
- C45H56N4O9
- Structure:
- Chemical Name:
- Rabeprazole Sulfone
- CAS:
- 117976-47-3
- MF:
- C18H21N3O4S
- Structure:
- Chemical Name:
- 6-BROMO-3 H-ISOBENZOFURAN-1-ONE
- CAS:
- 19477-73-7
- MF:
- C8H5BrO2
- Structure:
- Chemical Name:
- TOPOTECANACETATE
- CAS:
- 123948-88-9
- MF:
- C25H27N3O7
- Structure:
- Chemical Name:
- Vancomycin Impurity J
- CAS:
- 2416251-24-4
- MF:
- C66H75Cl2N9O24
- Structure:
- Chemical Name:
- dimethyl 2,6-dimethyl-4-(4-nitrophenyl)-1,4-dihydropyridine-3,5-dicarb oxylate
- CAS:
- 21829-09-4
- MF:
- C17H18N2O6
- Structure:
- Chemical Name:
- L-erythro-3-(3,4-Dihydroxyphenyl)serine
- CAS:
- 34047-62-6
- MF:
- C9H11NO5
- Structure:
- Chemical Name:
- ethylmethylglycinexylidide
- CAS:
- 74634-66-5
- MF:
- C13H20N2O
- Structure:
- Chemical Name:
- riboflavin 3',5'-bisphosphate
- CAS:
- 86108-26-1
- MF:
- C17H22N4O12P2
- Structure:
- Chemical Name:
- 6 beta-hydroxycortisol
- CAS:
- 53-35-0
- MF:
- C21H30O6
- Structure:
- Chemical Name:
- 16-hydroxyclarithromycin
- CAS:
- 124412-58-4
- MF:
- C38H69NO14
- Structure:
- Chemical Name:
- 4-METHYL-3-[[1-OXO-2-(PROPYLAMINO)PROPYL]AMINO]-2-THIOPHENECARBOXYLIC ACID
- CAS:
- 114176-52-2
- MF:
- C12H18N2O3S
- Structure:
- Chemical Name:
- 1-(4-Isobutylphenyl)ethanol
- CAS:
- 40150-92-3
- MF:
- C12H18O
- Structure:
- Chemical Name:
- TRIMETHYL(3-HYDROXYPHENYL)AMMONIUMIODIDE
- CAS:
- 2498-27-3
- MF:
- C9H14INO
- Structure:
- Chemical Name:
- ACEMETACINTERT-BUTYLESTER
- CAS:
- 75302-98-6
- MF:
- C25H26ClNO6
- Structure:
- Chemical Name:
- 2-ETHYLHEXYLGLUCOPYRANOSIDE
- CAS:
- 125590-73-0
- MF:
- C14H28O6
- Structure:
- Chemical Name:
- Benzoic acid, 4-[(2S,4S)-4-ethoxy-2-piperidinyl]-
- CAS:
- 3040999-15-0
- MF:
- C14H19NO3
- Structure:
- Chemical Name:
- methyl (2R)-2-amino-3-(1H-indol-3-yl)propanoate
- CAS:
- 22032-65-1
- MF:
- C12H14N2O2
- Structure:
- Chemical Name:
- (5-BENZYLIDENE-4-OXO-2-THIOXO-THIAZOLIDIN-3-YL)-ACETIC ACID
- CAS:
- 82159-06-6
- MF:
- C12H9NO3S2
- Structure:
- Chemical Name:
- 3-NITROPHENYLACETYLENE
- CAS:
- 3034-94-4
- MF:
- C8H5NO2
- Structure:
- Chemical Name:
- Amlodipine Impurity 27
- CAS:
- 2832589-38-3
- MF:
- C26H29ClN2O7S
- Structure:
- Chemical Name:
- 3-(4-Methylimidazol-1-yl)-5-trifluoromethylbenzoic acid
- CAS:
- 641571-13-3
- MF:
- C12H9F3N2O2
- Structure:
- Chemical Name:
- 3-Morpholinopropyl bromide
- CAS:
- 125422-83-5
- MF:
- C7H14BrNO
- Structure:
- Chemical Name:
- 7-Phenyl-acetamido-deacetoxy-cephalosporanic-acid
- CAS:
- 27255-72-7
- MF:
- C16H16N2O4S
- Structure:
- Chemical Name:
- O-PROPIONYLBENZOIC ACID
- CAS:
- 2360-45-4
- MF:
- C10H10O3
- Structure:
- Chemical Name:
- 3-METHOXY-L-TYROSINE
- CAS:
- 300-48-1
- MF:
- C10H13NO4
- Structure:
- Chemical Name:
- (4S-cis)-6-(Cyanomethyl)-2,2-dimethyl-1,3-dioxane-4-acetic Acid 1,1-Dimethylethyl Ester
- CAS:
- 196085-85-5
- MF:
- C14H23NO4
- Structure:
- Chemical Name:
- Triacetyl Aloe-emodin (Impurity A)
- CAS:
- 25395-11-3
- MF:
- C21H16O8
- Structure:
- Chemical Name:
- 2,4'-Diamino[sulfonylbisbenzene]
- CAS:
- 27147-69-9
- MF:
- C12H12N2O2S
- Structure:
- Chemical Name:
- 2-P-TOLYLOXYMETHYL-OXIRANE
- CAS:
- 2186-24-5
- MF:
- C10H12O2
- Structure:
- Chemical Name:
- 3-Hydroxyazobenzene
- CAS:
- 2437-11-8
- Structure:
- Chemical Name:
- Astragalin 7-O-β-D-glucopyranoside
- CAS:
- 25615-14-9
- MF:
- C27H30O16
- Structure:
- Chemical Name:
- 4-(5-CHLORO-2-THIENYL)-1,3-THIAZOL-2-AMINE
- CAS:
- 123971-45-9
- MF:
- C7H5ClN2S2