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Pharmaceutical Impurity Reference Standards
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- Structure:
- Chemical Name:
- 1-(2,3-DiMethylphenyl)-1-(1H-iMidazol-4-yl)ethanol
- CAS:
- 86347-12-8
- MF:
- C13H16N2O
- Structure:
- Chemical Name:
- Ropivacaine-iPr-R
- CAS:
- 1050482-18-2
- MF:
- C17H26N2O
- Structure:
- Chemical Name:
- Demiditraz IMpurity
- CAS:
- 944268-66-0
- MF:
- C20H22N2O
- Structure:
- Chemical Name:
- AcarBose EP Impurity B
- CAS:
- 1220983-54-9
- MF:
- C26H43NO17
- Chemical Name:
- Alogliptin Impurity 17
- Structure:
- Chemical Name:
- Aprepitant Impurity 15
- CAS:
- 1447693-83-5
- MF:
- C20H19ClF7NO2
- Structure:
- Chemical Name:
- Betamethasone EP Impurity H
- CAS:
- 185613-71-2
- MF:
- C22H29FO5
- Structure:
- Chemical Name:
- Blonanserin Impurity 10
- CAS:
- 132810-87-8
- MF:
- C23H30ClN3
- Chemical Name:
- Blonanserin impurity G
- Chemical Name:
- Cefodizime Impurity 5
- Chemical Name:
- Clindamycin Impurity 4
- Structure:
- Chemical Name:
- Doxofylline Impurity 4
- CAS:
- 2095554-12-2
- MF:
- C11H16N4O5
- Structure:
- Chemical Name:
- Eltrombopag Impurity 1
- CAS:
- 1246929-02-1
- MF:
- C25H23N5O3
- Chemical Name:
- Everolimus impurity A
- Chemical Name:
- Fosaprepitant Impurity 13
- Chemical Name:
- Gefitinib Impurity J
- Chemical Name:
- Isavuconazole Impurity 23
- Chemical Name:
- Isavuconazole Impurity 29
- Chemical Name:
- Isavuconazole Impurity 7
- Structure:
- Chemical Name:
- Lercanidipine Impurity 6
- CAS:
- 786625-22-7
- MF:
- C37H43N3O6
- Chemical Name:
- Linagliptin Impurity 43
- Chemical Name:
- MiraBegron Impurity A
- Chemical Name:
- Moxifloxacin Impurity 15
- Chemical Name:
- Moxifloxacin Impurity 32
- Structure:
- Chemical Name:
- Nifedipine Impurity F
- CAS:
- 53055-15-5
- MF:
- C18H20N2O6
- Structure:
- Chemical Name:
- Olaparib Impurity 15
- CAS:
- 2250243-17-3
- MF:
- C24H25FN4O3
- Structure:
- Chemical Name:
- Olopatadine Impurity 4
- CAS:
- 55690-15-8
- MF:
- C18H18O5
- Chemical Name:
- Posaconazole Impurity 26
- Structure:
- Chemical Name:
- Posaconazole Impurity 48
- CAS:
- 1902954-03-3
- MF:
- C37H42F2N8O5
- Chemical Name:
- Posaconazole Impurity 9
- Chemical Name:
- Roxithromycin Impurity E
- Chemical Name:
- SofosBuvir impurity 48
- Structure:
- Chemical Name:
- SofosBuvir Impurity 54
- CAS:
- 1431932-81-8
- MF:
- C12H17ClNO4P
- Structure:
- Chemical Name:
- Timolol EP Impurity G
- CAS:
- 75202-36-7
- MF:
- C6H9N3O3S
- Structure:
- Chemical Name:
- Tofacitinib Impurity 44
- CAS:
- 2374700-39-5
- MF:
- C13H19N5
- Chemical Name:
- Trelagliptin Impurity 24
- Structure:
- Chemical Name:
- dimethyl 3- isobutylpentanedioate
- CAS:
- 145328-03-6
- MF:
- C11H20O4
- Structure:
- Chemical Name:
- Phenol, 4-chloro-3-[(4-ethoxyphenyl)methyl]-
- CAS:
- 1408077-50-8
- MF:
- C15H15ClO2
- Structure:
- Chemical Name:
- 2-amino-9-((3aS,4S,6S,6aR)-3a,6-dihydroxyhexahydro-1H-cyclopenta[c]furan-4-yl)-1,9-dihydro-6H-purin-6-one
- CAS:
- 1984788-96-6
- MF:
- C12H15N5O4
- Chemical Name:
- Ampicillin Impurity C
- Chemical Name:
- Ampicillin Impurity O
- Chemical Name:
- mixture of PD 312236 and PD 312237
- Structure:
- Chemical Name:
- Axitinib Impurity 27
- CAS:
- 1639137-80-6
- MF:
- C24H20N4O2S
- Structure:
- Chemical Name:
- (4R,5R,6S)-4-nitrobenzyl 6-((R)-1-hydroxyethyl)-4-methyl-3,7-dioxo-1-azabicyclo[3.2.0]heptane-2-carboxylate
- CAS:
- 104873-15-6
- MF:
- C17H18N2O7
- Chemical Name:
- Lesinurad Impurity
- Structure:
- Chemical Name:
- Chrysophanol triglucoside
- CAS:
- 120181-07-9
- MF:
- C33H40O19
- Structure:
- Chemical Name:
- 7H-Pyrazolo[4,3-d]pyrimidin-7-one, 5-(5-chloro-2-ethoxyphenyl)-1,6-dihydro-1-methyl-3-propyl-
- CAS:
- 1829588-57-9
- MF:
- C17H19ClN4O2
- Chemical Name:
- Cefminox sodium impurities Ⅲ
- Structure:
- Chemical Name:
- Canagliflozin Impurity 18
- CAS:
- 1951467-29-0
- MF:
- C24H25FO6S
- Structure:
- Chemical Name:
- Fosaprepitant Impurity 6
- CAS:
- 327623-34-7
- MF:
- C21H19F6NO3
- Structure:
- Chemical Name:
- Ivabradine Impurity 16 HCl
- CAS:
- 304464-98-0
- MF:
- C26H34N2O5
- Chemical Name:
- Moxifloxacin EP Impurity A HCl
- Structure:
- Chemical Name:
- Paroxetine EP Impurity H HCl
- CAS:
- 503834-41-1
- MF:
- C19H23ClFNO
- Structure:
- Chemical Name:
- Solifenacin Related Compound 13
- CAS:
- 1251905-45-9
- MF:
- C17H17NO2
- Structure:
- Chemical Name:
- 1-(3-fluorobenzyl)-1H-pyrazolo[3,4-b]pyridine-3-carboximidamide
- CAS:
- 2101651-50-5
- MF:
- C14H12FN5
- Structure:
- Chemical Name:
- N1-(4-chlorophenyl)-3,12-diimino-N14-phenyl-2,4,11,13-Tetraazatetradecanediimidamide
- CAS:
- 152504-12-6
- MF:
- C22H31ClN10
- Structure:
- Chemical Name:
- Ethylmethyl-carbamic chloride
- CAS:
- 42252-34-6
- MF:
- C4H8ClNO
- Structure:
- Chemical Name:
- Cisatracurium-20-methyl Dibenzenesulfonate
- CAS:
- 1193104-85-6
- MF:
- C60H79N2O15S+
- Structure:
- Chemical Name:
- [R-(R*,S*)]-(-)-N-(1-PHENYLETHYL)-1-AZABICYCLO[2.2.2]OCTAN-3-AMINE DIHYDROCHLORIDE
- CAS:
- 128311-06-8
- MF:
- C15H24Cl2N2
- Structure:
- Chemical Name:
- GURKHSYORGJETM-MGDILKBHSA-N
- CAS:
- 1992961-26-8
- MF:
- C33H39ClN4O6
- Structure:
- Chemical Name:
- DVCUGHHGLKCBMT-QVDQXJPCSA-N
- CAS:
- 1356353-76-8
- MF:
- C15H24N6O6
- Structure:
- Chemical Name:
- 5,6-Dehydro-Tigecycline
- CAS:
- 1633815-62-9
- MF:
- C29H37N5O8
- Structure:
- Chemical Name:
- N-Depiperidin-3-amine Linagliptin Dimer
- CAS:
- 2253964-98-4
- MF:
- C45H44N14O4
- Structure:
- Chemical Name:
- (1R,5R,6S)-5-Hydroxy-7-oxabicyclo[4.1.0]hept-2-ene-3-carboxylic Acid Ethyl Ester
- CAS:
- 1476028-68-8
- MF:
- C9H12O4
- Structure:
- Chemical Name:
- (8S,11S,Z)-5-(2-Aminothiazol-4-yl)-11-(3-guanidinopropyl)-2,2-dimethyl-6,9-dioxo-8-((S)-1-(sulfoamino)ethyl)-3-oxa-4,7,10-triazadodec-4-ene-1,12-dioic Acid
- MF:
- C19H31N9O10S2
- Chemical Name:
- Brepperazole impurity
- Structure:
- Chemical Name:
- Mupirocin iMpurity 4
- MF:
- C26H44O9
- Structure:
- Chemical Name:
- Tenofovirdisoproxil Impurity C
- CAS:
- 1878175-82-6
- MF:
- C11H17N5O2
- Structure:
- Chemical Name:
- Cytarabine Impurity 13
- CAS:
- 82855-62-7
- MF:
- C17H19N5O8
- Structure:
- Chemical Name:
- 2052297-80-8
- CAS:
- 2052297-80-8
- MF:
- C12H21NO3
- Chemical Name:
- Pramipexole Impurity L
- Structure:
- Chemical Name:
- 1020151-61-4
- CAS:
- 1020151-61-4
- MF:
- C14H23ClO3S
- Chemical Name:
- Nicergoline Impurity M
- Chemical Name:
- Apixaban Impurity 48
- Structure:
- Chemical Name:
- ethyl 2-(4-(tert-butoxy)-3-cyanophenyl)-4-methylthiazole-5- carboxylate
- MF:
- C18H20N2O3S
- Structure:
- Chemical Name:
- (trans)-phenyl 3-((benzo[d][1,3]dioxol-5-yloxy)methyl)-4-(4'-fluoro- [1,1'-biphenyl]-4-yl)piperidine-1-carboxylate
- MF:
- C32H28FNO5
- Chemical Name:
- Moxifloxacin Impurity 9
- Chemical Name:
- Ticagrelor Impurity 10
- Chemical Name:
- Tofacitinib Impurity O
- Structure:
- Chemical Name:
- Celecoxib Impurity 5
- MF:
- C17H14F3N3O2S
- Chemical Name:
- Prasugrel Impurity 10
- Structure:
- Chemical Name:
- Amlodipine N-Lactoside
- CAS:
- 749864-27-5
- MF:
- C32H45ClN2O15
- Chemical Name:
- Sugammadex Impurity 19
- CAS:
- 2379877-89-9
- Chemical Name:
- Apixaban Impurity 29
- Chemical Name:
- Alogliptin Impurity 22
- Structure:
- Chemical Name:
- Ritonavir Impurity
- CAS:
- 1414933-89-3
- MF:
- C23H32N2O3
- Chemical Name:
- Riociguat Impurity 7
- Structure:
- Chemical Name:
- Tacrolimus Impurity 5
- CAS:
- 161861-18-3
- MF:
- C44H67NO12
- Structure:
- Chemical Name:
- monocalciummono(4-(((2S,4R)-1-([1,1'-biphenyl]-4-yl)-5- methoxy-4-methyl-5-oxopentan-2-yl)amino)-4-oxobutanoate)
- MF:
- C23H26CaNO5
- Chemical Name:
- Aprepitant iMpurity 38
- Chemical Name:
- Aprepitant iMpurity 41
- Chemical Name:
- (E)-3'-(2-(1-(3,4-dimethylphenyl)
- Structure:
- Chemical Name:
- Tenofovir
- CAS:
- 34956-22-4
- MF:
- C14H23O6PS
- Chemical Name:
- Afatinib Impurity YHQ
- Structure:
- Chemical Name:
- Sorafenib impurity 24/N-Methyl-4-[4-[[2-[(methylamino)carbonyl]-4-pyridinyl]amino]phenoxy]-2-pyridinecarboxamide
- CAS:
- 2004659-83-8
- MF:
- C20H19N5O3
- Structure:
- Chemical Name:
- Cabozantinib Impurity 49
- CAS:
- 190728-26-8
- MF:
- C17H14N2O5
- Chemical Name:
- Landiolol impurity S
- Structure:
- Chemical Name:
- Mupirocin Calcium EP Impurity G
- MF:
- C26H44CaO9
- Structure:
- Chemical Name:
- Atorvastatin Impurity 40
- CAS:
- 1116118-82-1
- MF:
- C50H64FN3O8
- Chemical Name:
- Hyoscine Butylbromide EP Impurity F