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Pharmaceutical Impurity Reference Standards
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- Structure:
- Chemical Name:Amlodipine Impurity 16
- CAS:
- MF:C26H31ClN2O8S
- Structure:
- Chemical Name:Edoxaban Impurity 11 (1R,2R,4S)
- CAS:480451-98-7
- MF:C21H30ClN5O5
- Structure:
- Chemical Name:Rivaroxaban Impurity 25
- CAS:931117-61-2
- MF:C19H21Cl2N3O6S
- Chemical Name:(R)-CITALOPRAM R-(+)-1-3-(dimethyl-amino) propyl-1-(p-fluorophenyl)-5-phthalancarbonitrile
- CAS:
- MF:
- Structure:
- Chemical Name:Atorvastatin pyrrolidone lactone
- CAS:906552-19-0
- MF:C33H33FN2O5
- Chemical Name:Cabozantinib Impurity G
- CAS:
- MF:
- Structure:
- Chemical Name:Clopidogrel Impurity 10
- CAS:
- MF:C15H14ClNO2S
- Structure:
- Chemical Name:Dapoxetine Impurity 4 HCl
- CAS:119357-39-0
- MF:C21H23NO
- Structure:
- Chemical Name:Medetomidine Impurity 2
- CAS:33967-19-0
- MF:C10H14O
- Structure:
- Chemical Name:Tofacitinib Impurity 34
- CAS:2459302-86-2
- MF:C19H22N8
- Structure:
- Chemical Name:1,2-Ethanediamine, N,N,N',N'-tetrakis(2-aminoethyl)-
- CAS:4097-90-9
- MF:C10H28N6
- Structure:
- Chemical Name:Omeprazole EP Impurity G
- CAS:125656-83-9
- MF:C16H13N3O2S
- Structure:
- Chemical Name:Piperazine, 1-methyl-4-[(4-methyl-1-piperazinyl)carbonyl]-
- CAS:4180-30-7
- MF:C11H22N4O
- Chemical Name:Cefdinan impurity S
- CAS:
- MF:
- Structure:
- Chemical Name:(4S)-2-(((R)-2-Amino-2-phenylacetamido)(carboxy)-methyl)-5,5-dimethylthiazolidine-4-carboxylic
- CAS:1642629-93-3
- MF:C16H21N3O5S
- Structure:
- Chemical Name:3,3'-(ethane-1,2-diyl)bis(1-(2-chloroethyl)-1H-benzo[d]imidazol-2(3H)-one)
- CAS:191977-79-4
- MF:C20H20Cl2N4O2
- Structure:
- Chemical Name:octakis(6-chloro-6-deoxy)-γ-cyclodextrin
- CAS:173094-60-5
- MF:C48H72Cl8O32
- Structure:
- Chemical Name:N-[4-(difluoromethoxy)-2-nitrophenyl]acetamide
- CAS:97963-75-2
- MF:C9H8F2N2O4
- Structure:
- Chemical Name:Ropivacaine-ET
- CAS:2180-94-1
- MF:C16H24N2O
- Structure:
- Chemical Name:Pitavastatin Dihydrobenzophenanthridine
- CAS:1187966-91-1
- MF:C25H24FNO4
- Structure:
- Chemical Name:BDJS-SH 3
- CAS:1817657-89-8
- MF:C12H18N2O2
- Chemical Name:Aprepitant Impurity 19
- CAS:1333995-14-4
- MF:
- Chemical Name:Blonanserin impurity E
- CAS:
- MF:
- Chemical Name:Clindamycin Impurity 17
- CAS:
- MF:
- Structure:
- Chemical Name:Edaravone Impurity 12
- CAS:2061958-41-4
- MF:C12H16N2O2
- Chemical Name:Empagliflozin Impurity 19
- CAS:
- MF:
- Chemical Name:Erythromycin impurity D
- CAS:
- MF:
- Chemical Name:FeBuxostat Impurity 40
- CAS:
- MF:
- Structure:
- Chemical Name:Formoterol Impurity 13
- CAS:150513-24-9
- MF:C18H24N2O3
- Structure:
- Chemical Name:Fosaprepitant Impurity 4
- CAS:1523569-85-8
- MF:C37H34F7N4O6P
- Structure:
- Chemical Name:Fudosteine Impurity 2
- CAS:1480319-53-6
- MF:C6H13NO5S
- Chemical Name:Ilaprazole Impurity 1
- CAS:
- MF:
- Chemical Name:Ilaprazole Impurity 2
- CAS:
- MF:
- Chemical Name:Isavuconazole Impurity 10
- CAS:
- MF:
- Chemical Name:Isavuconazole Impurity 18
- CAS:3094994-77-8
- MF:
- Chemical Name:Isavuconazole Impurity 6
- CAS:
- MF:
- Structure:
- Chemical Name:Lercanidipine Impurity 4
- CAS:2727061-30-3
- MF:C18H23NO2
- Chemical Name:Nitrendipine Impurity 4
- CAS:
- MF:
- Chemical Name:Olaparib Impurity 6
- CAS:
- MF:
- Chemical Name:Paclitaxel EP Impurity H
- CAS:
- MF:
- Chemical Name:Paroxetine Impurity 10
- CAS:
- MF:
- Chemical Name:Posaconazole Impurity 31
- CAS:
- MF:
- Structure:
- Chemical Name:Posaconazole Impurity 60
- CAS:2134652-05-2
- MF:C14H14F2O4
- Chemical Name:Regorafenib impurity D
- CAS:
- MF:
- Structure:
- Chemical Name:SofosBuvir impurity 21
- CAS:1496552-50-1
- MF:C22H29ClN3O9P
- Chemical Name:sofosBuvir impurity 36
- CAS:
- MF:
- Chemical Name:SofosBuvir Impurity 52
- CAS:
- MF:
- Chemical Name:SofosBuvir Impurity 59
- CAS:
- MF:
- Chemical Name:Ticagrelor impurity 25
- CAS:
- MF:
- Structure:
- Chemical Name:Tirofiban Impurity 14
- CAS:1103300-75-9
- MF:C12H17NO5S
- Structure:
- Chemical Name:Tirofiban Impurity 19
- CAS:158808-75-4
- MF:C18H28N2O3
- Structure:
- Chemical Name:Amoxicillin Impurity P
- CAS:
- MF:C16H19N3O5S
- Chemical Name:Ampicillin Impurity S
- CAS:
- MF:
- Chemical Name:Cefdinir Impurity F (CP)
- CAS:
- MF:
- 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
- MF:
- 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
- Structure:
- Chemical Name:α,α-Dibromo-o-tolunitrile
- CAS:655-63-0
- MF:C8H5Br2N
- Structure:
- Chemical Name:N1-Losartanyl-losartan (Losartan IMpurity)
- CAS:230971-71-8
- MF:C44H44Cl2N12O
- Structure:
- Chemical Name:N2-Losartanyl-losartan (Losartan IMpurity)
- CAS:230971-72-9
- MF:C44H44Cl2N12O
- Structure:
- Chemical Name:N-Ethoxycarbonyl 7-ADCA
- CAS:72820-16-7
- MF:C11H14N2O5S
- Structure:
- Chemical Name:4-PyridinecarboxaMide, N-(2,6-diMethylphenyl)-
- CAS:68280-05-7
- MF:C14H14N2O
- Structure:
- Chemical Name:4-N-Desacetyl-5-N-acetyl OseltaMivir
- CAS:956267-10-0
- MF:C16H28N2O4
- Structure:
- Chemical Name:rac N-DesMethyl-N-(4-Methoxyphenethyl) Venlafaxine
- CAS:1346601-14-6
- MF:C25H35NO3
- Structure:
- Chemical Name:11-Keto Oxcarbazepine
- CAS:537693-29-1
- MF:C15H10N2O3
- Structure:
- Chemical Name:Isopropyl 4-(3-AMinophenyl)-1,4-dihydro-5-(2-Methoxyethoxycarbonyl)-2,6-diMethylpyridine-3-carboxylate
- CAS:155861-24-8
- MF:C21H28N2O5
- Structure:
- Chemical Name:Salmeterol Related Compound B (10 mg) (4-{1-Hydroxy-2-[6-(4-phenylbutan-2-yloxy)hexylamino]ethyl}-2-(hydroxymethyl)phenol)
- CAS:108928-81-0
- MF:C25H37NO4
- Chemical Name:AlviMopan iMpurity
- CAS:
- MF:
- Chemical Name:Caspofungin iMpurity
- CAS:
- MF:
- Structure:
- Chemical Name:Saxagliptin iMpurity
- CAS:2173146-35-3
- MF:C18H24ClN3O2
- Structure:
- Chemical Name:Chlorocriptine
- CAS:68944-88-7
- MF:C32H40ClN5O5
- Structure:
- Chemical Name:PD 312237
- CAS:501666-23-5
- MF:C20H35NO11
- Structure:
- Chemical Name:(1R,5S,6S)-rel-5-(1-Ethylpropoxy)-7-oxabicyclo[4.1.0]hept-3-ene-3-carboxylic Acid Methyl Ester
- CAS:1234858-94-6
- MF:C13H20O4
- Structure:
- Chemical Name:Flucloxacillin Sodium Impurity A
- CAS:68728-50-7
- MF:C19H20ClFN3NaO6S
- Structure:
- Chemical Name:Oxacillin Sodium Impurity G(EP)
- CAS:724695-30-1
- MF:C19H18ClN3O5S
- Chemical Name:Spectinomycin Impurity D
- CAS:
- MF:
- Structure:
- Chemical Name:(4R,4aS,5aR,12aS)-9-[2-(tert-butylamino)acetamido]-4,7-bis(dimethylamino)-3,10,12,12a-tetrahydroxy-1,11-dioxo-1,4,4a,5,5a,6,11,12a-octahydrotetracene-2-carboxamide
- CAS:
- MF:C29H39N5O8
- Structure:
- Chemical Name:Amifostine Impurity 3
- CAS:41510-53-6
- MF:C5H15N2O3PS
- Chemical Name:Cefradine impurity C
- CAS:
- MF:
- Structure:
- Chemical Name:Cefuroxime sodium impurity H
- CAS:
- MF:C16H16N4NaO8S
- Structure:
- Chemical Name:Bilastine N-Oxide
- CAS:2069238-47-5
- MF:C28H37N3O4
- Chemical Name:Cefoxitin impurity F
- CAS:
- MF:
- Structure:
- Chemical Name:Tenofovir Disoproxil Fumarate impurity N
- CAS:1962114-92-6
- MF:C29H44N10O14P2
- Structure:
- Chemical Name:Prednisolone Impurity 7
- CAS:61549-70-0
- MF:C21H26O6
- Structure:
- Chemical Name:Tenofovir Related Compound 10
- CAS:16958-60-4
- MF:C8H11N5O
- Structure:
- Chemical Name:N-(4-methyl-3-(N-(4-(pyridin-3-yl)pyrimidin-2-yl)acetamido)phenyl)-4-((4-methylpiperazin-1-yl)methyl)benzamide
- CAS:
- MF:C31H33N7O2
- Structure:
- Chemical Name:N1-benzyl-N1,4-dimethyl-N3-(4-(pyridin-3-yl)pyrimidin-2-yl)benzene-1,3-diamine
- CAS:
- MF:C24H23N5
- Structure:
- Chemical Name:(E)-4-(((5-(2-fluorophenyl)-1-(pyridin-3-ylsulfonyl)-1H-pyrrol-3- yl)methyl)(methyl)amino)-4-oxobut-2-enoic acid
- CAS:
- MF:C21H18FN3O5S
- Structure:
- Chemical Name:Apremilast
- CAS:1384439-80-8
- MF:C17H16N2O6S
- Structure:
- Chemical Name:TROXACITABINE
- CAS:145511-98-4
- MF:C8H11N3O4
- Structure:
- Chemical Name:XXZJUZXKBFUPQH-IKGGRYGDSA-N
- CAS:1618657-31-0
- MF:C18H17FO4
- Structure:
- Chemical Name:6-methyl-2-oxo-5-pyridin-2-yl-1H-pyridine-3-carbonitrile
- CAS:106637-42-7
- MF:C12H9N3O
- Structure:
- Chemical Name:Levofloxacin Impurity 15
- CAS:94714-58-6
- MF:C14H12F4O4
- Structure:
- Chemical Name:Losartan Impurity 2
- CAS:1407521-00-9
- MF:C22H20ClN3O
- Structure:
- Chemical Name:Epoxy Exemestane (6-Alfa Isomer)
- CAS:152764-24-4
- MF:C20H24O3
- Structure:
- Chemical Name:6-Cyclopropyl-10-fluoro-7,8-dihydrobenzo[k]phenanthridine
- CAS:1187966-94-4
- MF:C20H16FN
- Structure:
- Chemical Name:2-methoxy-1,7,9-trimethylpurine-6,8-dione
- CAS:51168-26-4
- MF:C9H12N4O3
- Structure:
- Chemical Name:2-CHLORO-N-(2,5-DIMETHYLPHENYL)ACETAMIDE
- CAS:5177-35-5
- MF:C10H12ClNO