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Reference Substance

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Structure:
Chemical Name:
(2S,5R)-N-(3-aminopropyloxy)-7-oxo-6-(sulfooxy)-1,6-diazabicyclo[3.2.1]octane-2-carboxamide trifluoroacetic acid salt
CAS:
1572989-40-2
MF:
C12H19F3N4O9S
Chemical Name:
Ritonavir EP Impurity ABC
Structure:
Chemical Name:
1-Cyclohexene-1-carboxylic acid, 5-((3-(3,4-dihydroxyphenyl)-1-oxo-2-p ropenyl)oxy)-3,4-dihydroxy-, (3R-(3alpha,4alpha,5beta))-
CAS:
73263-62-4
MF:
C16H16O8
Structure:
Chemical Name:
Benzenecarboximidic acid, 4-[3-(aminocarbonyl)-5-ethoxy-1,4-dihydro-2,8-dimethyl-1,6-naphthyridin-4-yl]-3-methoxy-, ethyl ester
CAS:
2640280-83-5
MF:
C23H28N4O4
Structure:
Chemical Name:
alpha-(3,4-dihydroxyphenyl)lactic acid
CAS:
22681-72-7
MF:
C9H10O5
Structure:
Chemical Name:
2-AMINO-3,5-DIBROMOBENZYL ALCOHOL
CAS:
50739-76-9
MF:
C7H7Br2NO
Structure:
Chemical Name:
(R)-Pramipexole
CAS:
104632-28-2
MF:
C10H17N3S
Structure:
Chemical Name:
Aprepitant-d4
CAS:
1133387-60-6
MF:
C23H17D4F7N4O3
Structure:
Chemical Name:
(13α,14β,17α,20S)-5α-Lanosta-8,24-dien-3β-ol
CAS:
514-46-5
MF:
C30H50O
Structure:
Chemical Name:
3-(Bromomethyl)-2-cyclopropyl-4-(4'-fluorophenyl)quinoline
CAS:
154057-56-4
MF:
C19H15BrFN
Structure:
Chemical Name:
1-[1-(Bromomethyl)ethenyl]-2,4-difluoro-benzene
CAS:
159276-58-1
MF:
C9H7BrF2
Structure:
Chemical Name:
3-Dechloro-3-broMo Trazodone Hydrochloride
CAS:
1263278-80-3
MF:
C19H23BrClN5O
Structure:
Chemical Name:
N,N'-Desethylene-N,N'-diforMyl Levofloxacin
CAS:
151377-74-1
MF:
C18H18FN3O6
Structure:
Chemical Name:
(+)-Fluprostenol
CAS:
54276-17-4
MF:
C23H29F3O6
Structure:
Chemical Name:
Atorvastatin IMpurity G
CAS:
887324-53-0
MF:
C34H37FN2O5
Structure:
Chemical Name:
Atorvastatin Impurity 20
CAS:
1016893-70-1
MF:
C14H23NO4
Structure:
Chemical Name:
EsoMeprazole related substance H193/61
CAS:
784143-42-6
MF:
C18H21N3O3S
Structure:
Chemical Name:
(6R,7S)-7-[[(2R)-2-[[(4-Ethyl-2,3-dioxo-1-piperazinyl)carbonyl]aMino]-2-(4-hydroxyphenyl)acetyl]aMino]-3-[[(1-Methyl-1H-tetrazol-5-yl)thio]Methyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic Acid
CAS:
1315481-36-7
MF:
C25H27N9O8S2
Structure:
Chemical Name:
[6R-[6α,7β(E)]]-7-[[(2-AMino-4-thiazolyl)[(car
CAS:
97164-56-2
MF:
C16H15N5O7S2
Structure:
Chemical Name:
1-(o-Chloro-α-phenylbenzyl)piperazine
CAS:
109036-15-9
MF:
C17H19ClN2
Structure:
Chemical Name:
2-AMino-3-(4-broMobenzoyl)benzoic Acid
CAS:
241496-82-2
MF:
C14H10BrNO3
Structure:
Chemical Name:
2-[(2-FuranylMethyl)sulfinyl]-N-[4-[[4-(1-piperidinylMethyl)-2-pyridinyl]oxy]butyl]acetaMide
CAS:
118288-14-5
MF:
C22H31N3O4S
Structure:
Chemical Name:
2-[2-(2-Methyl-5-nitroiMidazol-1-yl)ethoxy]ethanol
CAS:
16156-94-8
MF:
C8H13N3O4
Structure:
Chemical Name:
6-broMo-8-cyclopentyl-5-Methyl-2-(5-(piperazin-1-yl)pyridin-2-ylaMino)pyrido[2,3-d]pyriMidin-7(8H)-one
CAS:
851067-56-6
MF:
C22H26BrN7O
Structure:
Chemical Name:
4,5,6,7-Tetrahydro-1-(4-methoxyphenyl)-6-[4-(5-methyl-2-oxo-1-piperidinyl)phenyl]-7-oxo-1H-pyrazolo[3,4-c]pyridine-3-carboxamide
CAS:
1686149-74-5
MF:
C26H27N5O4
Structure:
Chemical Name:
N-((4-(5-Methyl-3-phenylisoxazol-4-yl)phenyl)sulfonyl)isobutyraMide
CAS:
198470-82-5
MF:
C20H20N2O4S
Structure:
Chemical Name:
BroMocriptine IMpurity E
CAS:
2492-53-7
MF:
C16H16BrN3O
Structure:
Chemical Name:
Cefazolin SodiuM iMpurity G
CAS:
1172998-53-6
MF:
C11H10N6O4S
Structure:
Chemical Name:
Naphazoline IMpurity D
CAS:
22126-67-6
MF:
C14H14N2
Structure:
Chemical Name:
19-Epi FK-506
CAS:
144490-63-1
MF:
C44H69NO12
Structure:
Chemical Name:
4-(6,8-Dibromo-3(4H)-quinazolinyl)-cyclohexanol
CAS:
1797894-71-3
MF:
C14H16Br2N2O
Structure:
Chemical Name:
(R)-1-(3-Ethoxy-4-Methoxyphenyl)-2-(Methylsulfonyl)ethylaMine
CAS:
608142-27-4
MF:
C12H19NO4S
Chemical Name:
Tadalafil EP IMpurity G
Structure:
Chemical Name:
(8β)-9,10-Didehydro-8-[[[(1,1-diMethylethyl)diMethylsilyl]oxy]Methyl]-6-Methylergoline
CAS:
1075250-72-4
MF:
C22H32N2OSi
Structure:
Chemical Name:
6”-O-xylosyl-glycitin
CAS:
231288-18-9
MF:
C27H30O14
Structure:
Chemical Name:
Riboflavin-[13C4,15N2] (Vitamin B2-[13C4,15N2])
CAS:
1217461-14-7
MF:
C17H20N4O6
Structure:
Chemical Name:
Apixaban Related Compound 4
CAS:
99585-01-0
MF:
C6H10Cl2O
Structure:
Chemical Name:
Bifendate Impurity A
CAS:
1181519-47-0
MF:
C21H19N5O2S
Structure:
Chemical Name:
6,6-DIBROMOPENICILLANIC ACID
CAS:
24158-88-1
MF:
C8H9Br2NO3S
Structure:
Chemical Name:
Tetrabenazine Related Impurity 3
CAS:
19328-35-9
MF:
C19H27NO3
Structure:
Chemical Name:
Pitavastatin Impurity 8
CAS:
1044518-75-3
MF:
C13H22O5
Structure:
Chemical Name:
N-(2-butyl-3-(4-(3-(dibutylamino)propoxy)-benzoyl)benzofuran-5-yl)-N-(methylsulfonyl)methanesulfonamide
CAS:
141626-57-5
MF:
C32H46N2O7S2
Structure:
Chemical Name:
Ziprasidone QT
CAS:
884305-07-1
MF:
C21H19ClN4O2S
Chemical Name:
Olaparib Impurity B
Structure:
Chemical Name:
Posaconazole Impurity 17
CAS:
171228-51-6
MF:
C37H42F2N8O4
Structure:
Chemical Name:
Procyanidin A3
CAS:
86631-39-2
MF:
C75H62O30
Chemical Name:
AcarBose EP Impurity C
Structure:
Chemical Name:
Metronidazole Impurity 10
CAS:
56750-04-0
MF:
C7H11N3O3
Structure:
Chemical Name:
ethyl (4-((2-(methylcarbamoyl)pyridin-4-yl)oxy)phenyl)carbamate
MF:
C16H17N3O4
Structure:
Chemical Name:
Paroxetine Impurity 5
CAS:
100332-20-5
MF:
C13H18FNO
Structure:
Chemical Name:
(8S,9R,10S,13S,14S,17R)-17-acetyl-10,13-dimethyl-1,2,8,9,11,12,14,15,16,17-decahydrocyclopenta[a]phenanthren-3-one
CAS:
246038-13-1
MF:
C21H28O2
Structure:
Chemical Name:
(5-(2-fluorophenyl)-1-(pyridin-3-ylsulfonyl)-1H-pyrrol-3-yl) methanol
CAS:
2169271-28-5
MF:
C16H13FN2O3S
Structure:
Chemical Name:
Cefprozil EP Impurity G
MF:
C18H19N3O5S
Chemical Name:
Olaparib Impurity K
Structure:
Chemical Name:
Ozagrel
CAS:
78712-80-8
MF:
C15H16N2O2
Structure:
Chemical Name:
Ozagrel
CAS:
78712-80-8
MF:
C15H16N2O2
Structure:
Chemical Name:
Oseltamivir EP Impurity E HCl
CAS:
208720-78-9
MF:
C15H27ClN2O4
Structure:
Chemical Name:
Carbocisteine Impurity 4
CAS:
118573-75-4
MF:
C5H7NO4S
Structure:
Chemical Name:
Regadenoson Impurity 3
CAS:
1423073-21-5
MF:
C15H17N7O6
Chemical Name:
Axitinib Impurity 20
Structure:
Chemical Name:
Descladinose 6-N-Desmethyl Azithromycin
CAS:
111247-94-0
MF:
C29H56N2O9
Structure:
Chemical Name:
Benazepril EP Impurity D
CAS:
112110-48-2
MF:
C24H28N2O5
Structure:
Chemical Name:
2-(tert-butylamino)-1-(4-ethoxy-3-(hydroxymethyl)phenyl)ethanol
CAS:
2387728-91-6
MF:
C15H25NO3
Structure:
Chemical Name:
Mizolastine Impurity 8
CAS:
935860-12-1
MF:
C25H27FN6O
Structure:
Chemical Name:
Apixaban Impurity TTQ
CAS:
2413365-22-5
MF:
C20H23N3O3
Structure:
Chemical Name:
Imidazol-1-yl-acetic acid
CAS:
22884-10-2
MF:
C5H6N2O2
Structure:
Chemical Name:
MBM-17S
CAS:
2083621-91-2
MF:
C32H34N6O6
Structure:
Chemical Name:
Brivaracetam Impurity 3
CAS:
2432911-32-3
MF:
C15H27N3O3
Structure:
Chemical Name:
Thailanstatin A
CAS:
1426953-21-0
MF:
C28H41NO9
Structure:
Chemical Name:
2-Thiazolamine, 4-(4,5-dichloro-2-thienyl)-
CAS:
959042-70-7
MF:
C7H4Cl2N2S2
Structure:
Chemical Name:
2H-Cyclopenta[b]furan-2-one, hexahydro-5-hydroxy-4-[(1E,3S)-3-hydroxy-4-[3-(trifluoromethyl)phenoxy]-1-buten-1-yl]-, (3aR,4R,5R,6aS)-
CAS:
1415385-39-5
MF:
C18H19F3O5
Structure:
Chemical Name:
1H-Imidazole-1-propanol, β-chloro-2-methyl-5-nitro-
CAS:
1826157-12-3
MF:
C7H10ClN3O3
Structure:
Chemical Name:
Ergoline-8-methanol, 10-methoxy-1,6-dimethyl-, 8-(5-bromo-3-pyridinecarboxylate), (8α)-
CAS:
58001-19-7
MF:
C24H26BrN3O3
Chemical Name:
Peramivir Dehydration Deacetylation Impurity
Chemical Name:
Piperacillin Impurity S(EP)
Structure:
Chemical Name:
Curcumenol
CAS:
19431-84-6
MF:
C15H22O2
Structure:
Chemical Name:
Cephalonium lactone
CAS:
10590-10-0
MF:
C14H12N2O4S2
Structure:
Chemical Name:
Sildenafil Chlorosulfonyl
CAS:
139756-22-2
MF:
C17H19ClN4O4S
Structure:
Chemical Name:
23,27-Epoxy-1H,3H-pyrrolo2,1-c1,4oxaazacyclohentriacontine-1,5,11,28,29(4H,6H)-pentone, 9,10,12,13,14,21,22,23,24,25,26,27,31,32,33,33a-hexadecahydro-9,27-dihydroxy-3-(1R)-2-(1S,3R,4R)-4-hydroxy-3-methoxycyclohexyl-1-methylethyl-10,21-dimethoxy-6,8,12,14,
CAS:
156223-31-3
MF:
C50H77NO13
Structure:
Chemical Name:
Erythromycin, 14-hydroxy-6-O-methyl-
CAS:
110671-78-8
MF:
C38H69NO14
Structure:
Chemical Name:
N-Benzoyl-DL-arginine-4-nitroanilide hydrochloride
CAS:
911-77-3
MF:
C19H23ClN6O4
Chemical Name:
Complete set of amoxicillin impurities
Structure:
Chemical Name:
Chitotriose 3HCl
CAS:
41708-93-4
MF:
C18H35N3O13
Chemical Name:
OPIACE reference substance
Chemical Name:
OPIACE reference substance
Structure:
Chemical Name:
amphotericin A
CAS:
1405-32-9
MF:
C47H75NO17
Structure:
Chemical Name:
spantide II
CAS:
129176-97-2
MF:
C86H104Cl2N18O13
Structure:
Chemical Name:
Phenol, 4,4′-sulfonylbis-, Polymer mit 1,1′-Oxibis[2-chlorethan], EO 2-12 mol (75 % EO 2-6 mol)
CAS:
191680-83-8
MF:
(C12H10O4S.C4H8Cl2O)x
Structure:
Chemical Name:
(6R,7R)-7-Amino-3-[(5-methyl-2H-tetrazol-2-yl)methyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
CAS:
82549-51-7
MF:
C10H12N6O3S
Structure:
Chemical Name:
Boceprevir InterMediates
CAS:
565456-77-1
MF:
C9H16ClNO2
Structure:
Chemical Name:
Aids004768
CAS:
145986-07-8
MF:
C8H10N2O4S
Structure:
Chemical Name:
Dimethyl 4-(2-Chlorophenyl)-2,6-dimethyl-1,4-dihydropyridine-3,5-dicarboxylate
CAS:
43067-01-2
MF:
C17H18ClNO4
Structure:
Chemical Name:
ethyl 1-(4-methoxyphenyl)-6-(4-nitrophenyl)-7-oxo-4,5,6,7-tetrahydro-1H-pyrazolo[3,4-c]pyridine-3-carboxylate
CAS:
536759-91-8
MF:
C22H20N4O6
Structure:
Chemical Name:
Pregna-4,14-diene-3,20-dione
CAS:
24377-08-0
MF:
C21H28O2
Structure:
Chemical Name:
cis-Terbinafine Hydrochloride
CAS:
176168-78-8
MF:
C21H26ClN
Structure:
Chemical Name:
Clindamycin B
CAS:
18323-43-8
MF:
C17H31ClN2O5S
Structure:
Chemical Name:
(3β,20S)-20-Formyl-3-hydroxy-5-pregnene 3-O-Acetate
CAS:
10211-88-8
MF:
C24H36O3
Structure:
Chemical Name:
3-Desacetyl CefotaxiMe Lactone
CAS:
66340-33-8
MF:
C14H13N5O5S2
Structure:
Chemical Name:
3''-HABA KanaMycin A
CAS:
50725-25-2
MF:
C22H43N5O13
Structure:
Chemical Name:
21-Dehydro Budesonide
CAS:
85234-63-5
MF:
C25H32O6