Reference Substance
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- Structure:
- Chemical Name:
- Flumethasone Impurity 6 (9-Chloro-Flumethasone)
- CAS:
- 1355648-15-5
- MF:
- C22H28ClFO5
- Structure:
- Chemical Name:
- 3-Quinolinecarboxylic acid, 7-[(4aS,7aS)-1-(2-carboxyethyl)octahydro-6H-pyrrolo[3,4-b]pyridin-6-yl]-1-cyclopropyl-6-fluoro-1,4-dihydro-8-methoxy-4-oxo-
- CAS:
- 2489671-20-5
- MF:
- C24H28FN3O6
- Structure:
- Chemical Name:
- Imipenem Impurity 4
- CAS:
- 85604-01-9
- MF:
- C23H30N4O8S2
- Structure:
- Chemical Name:
- 3,5-Pyridinedicarboxylic acid, 1,4-dihydro-2,6-dimethyl-4-(3-nitrophenyl)-, 3,5-bis(2-cyanoethyl) ester
- CAS:
- 75130-34-6
- MF:
- C21H20N4O6
- Structure:
- Chemical Name:
- Araloside C
- CAS:
- 55446-15-6
- MF:
- C53H84O23
- Chemical Name:
- Sugammadex Sodium Impurity 36
- Structure:
- Chemical Name:
- 8,8'-((3R,3'R)-(methylenebis(azanediyl))bis(piperidine-3,1-diyl))bis(7-(but-2-yn-1-yl)-3-methyl-1-((4-methylquinazolin-2-yl)methyl)-3,7-dihydro-1H-purine-2,6-dione)
- CAS:
- 2489212-72-6
- MF:
- C51H56N16O4
- Chemical Name:
- Ampicillin Hydantoin Analogs
- Chemical Name:
- Complete set of Ampicillin Impurities
- Structure:
- Chemical Name:
- Helicianeoide B
- CAS:
- 496066-89-8
- MF:
- C32H38O20
- Structure:
- Chemical Name:
- benazepril
- CAS:
- 131064-75-0
- MF:
- C24H28N2O5
- Structure:
- Chemical Name:
- 1-Cyclohexene-1-carboxylicacid,4-(aminomethyl)-(9CI)
- CAS:
- 330838-52-3
- MF:
- C8H13NO2
- Structure:
- Chemical Name:
- 4-PREGNEN-6-BETA-OL-3,20-DIONE
- CAS:
- 604-19-3
- MF:
- C21H30O3
- Structure:
- Chemical Name:
- uridine 5'-tetraphosphate
- CAS:
- 10003-94-8
- MF:
- C9H16N2O18P4
- Structure:
- Chemical Name:
- AMILORIDE
- CAS:
- 2609-46-3
- MF:
- C6H8ClN7O
- Structure:
- Chemical Name:
- Aztreonam Amide
- CAS:
- 1219444-93-5
- MF:
- C13H20N6O8S2
- Structure:
- Chemical Name:
- 1,2-Dithiolane-3-pentanoic acid 1-oxide
- CAS:
- 6992-30-9
- MF:
- C8H14O3S2
- Structure:
- Chemical Name:
- 4-(3,4-Dihydro-4,4-dimethyl-7-pentylfuro[4,3,2-de][1]benzopyran-3-yl)-2-butanone
- CAS:
- 70474-97-4
- Structure:
- Chemical Name:
- 3'-Demethyl-12-deoxyerythromycin
- CAS:
- 33442-56-7
- MF:
- C36H65NO12
- Structure:
- Chemical Name:
- 2-[4-(4-METHOXY-PHENOXY)-PHENYL]-MALONIC ACID MONO-(4-METHOXY-PHENYL) ESTER
- CAS:
- 70175-90-5
- MF:
- C25H24O7
- Structure:
- Chemical Name:
- 5-Desthiolyl-5-thioxo Cefoperazone
- CAS:
- 711598-76-4
- MF:
- C25H27N9O8S2
- Structure:
- Chemical Name:
- Clindamycin 3-Phosphate
- CAS:
- 28708-34-1
- MF:
- C18H34ClN2O8PS
- Structure:
- Chemical Name:
- N-[2-[(Methylamino)carbonyl]benzoyl]
- CAS:
- 721958-72-1
- MF:
- C29H32ClN3O7
- Structure:
- Chemical Name:
- 3-O-Methylcarbidopa
- CAS:
- 85933-19-3
- MF:
- C11H16N2O4
- Structure:
- Chemical Name:
- C-DeMethyl ClethodiM
- CAS:
- 112301-96-9
- MF:
- C16H24ClNO3S
- Structure:
- Chemical Name:
- (4S,5S)-4-Benzyl-5-[(2S)-2-((4S)-4-isopropyl-2,5-dioxoiMidazolidin-1-yl)-3-phenylpropyl]-2-oxo-1,3-oxazolidine-3-carboxylate thiazol-5-ylMethyl Ester
- CAS:
- 1010809-43-4
- MF:
- C30H32N4O6S
- Structure:
- Chemical Name:
- ent-Tadalafil
- CAS:
- 629652-72-8
- MF:
- C22H19N3O4
- Structure:
- Chemical Name:
- 6.7-dihydrothieno[3.2.c]pyridin-4(5H)-one
- CAS:
- 68559-60-4
- MF:
- C7H7NOS
- Structure:
- Chemical Name:
- N-DesaMinosulfonyl-N-cyano FaMotidine
- CAS:
- 76823-97-7
- MF:
- C9H13N7S2
- Structure:
- Chemical Name:
- 6-Des(1-Methyl-2-benziMidazolyl)-6-carboxy TelMisartan
- CAS:
- 884330-12-5
- MF:
- C26H24N2O4
- Structure:
- Chemical Name:
- ent-Aprepitant
- CAS:
- 172822-29-6
- MF:
- C23H21F7N4O3
- Structure:
- Chemical Name:
- Clarithromycin Impurity H
- CAS:
- 127140-69-6
- MF:
- C38H67NO14
- Structure:
- Chemical Name:
- IMidazo[1,2-a]pyridin-6-aMine, 3-chloro-
- CAS:
- 1094463-26-9
- MF:
- C7H6ClN3
- Structure:
- Chemical Name:
- 2-AMino-3-(4-broMobenzoyl)phenyloxoacetic Acid
- CAS:
- 1391052-54-2
- MF:
- C15H10BrNO4
- Structure:
- Chemical Name:
- Micafungin FR-179642 impurity (acid)
- CAS:
- 168110-44-9
- MF:
- C35H52N8O20S
- Structure:
- Chemical Name:
- (3R,4R)-3-[(6-amino-4-pyrimidinyl)methylamino]-4-methyl-β-oxo-1-Piperidinepropanenitrile
- CAS:
- 1640971-60-3
- MF:
- C14H20N6O
- Structure:
- Chemical Name:
- AMlodipine iMpurity
- MF:
- C26H31ClN2O8S
- Structure:
- Chemical Name:
- Cephalexin IMpurity C
- MF:
- C16H17N3O4S
- Structure:
- Chemical Name:
- Finasteride IMpurity C
- CAS:
- 1329611-51-9
- MF:
- C23H34N2O2
- Structure:
- Chemical Name:
- (R)-AMbrisentan
- CAS:
- 1007358-76-0
- MF:
- C22H22N2O4
- Structure:
- Chemical Name:
- Ivabradine IMpurity
- CAS:
- 1616710-50-9
- MF:
- C27H35ClN2O6
- Structure:
- Chemical Name:
- 1,2-Bis(piperazin-1-yl)benzene
- CAS:
- 1446750-99-7
- MF:
- C14H22N4
- Structure:
- Chemical Name:
- 4-Methyl-N-(3-(5-Methyl-1H-iMidazol-1-yl)-5-(trifluoroMethyl)phenyl)-3-((4-(pyridin-3-yl)pyriMidin-2-yl)aMino)benzaMide
- CAS:
- 641571-15-5
- MF:
- C28H22F3N7O
- Structure:
- Chemical Name:
- Pentoxifylline Impurity I
- CAS:
- 55247-90-0
- MF:
- C14H14N4O2
- Structure:
- Chemical Name:
- Pentoxifylline Impurity I
- CAS:
- 55247-90-0
- MF:
- C14H14N4O2
- Chemical Name:
- Axitinib Impurity C
- Structure:
- Chemical Name:
- Pregabalin EP Impurity A
- CAS:
- 181289-23-6
- MF:
- C8H15NO
- Structure:
- Chemical Name:
- Amoxicillin EP Impurity L
- CAS:
- 1789703-32-7
- MF:
- C24H29N5O7S2
- Structure:
- Chemical Name:
- Cefotiam Impurity 2
- CAS:
- 1566599-01-6
- MF:
- C13H12N4O4S2
- Structure:
- Chemical Name:
- Posaconazole Impurity 43
- CAS:
- 357189-95-8
- MF:
- C37H40F2N8O6
- Structure:
- Chemical Name:
- Tedizolid Impurity 34
- CAS:
- 2095200-69-2
- MF:
- C16H18FN6O5P
- Structure:
- Chemical Name:
- JYMSVNHODSJOPS-UHFFFAOYSA-N
- CAS:
- 46053-56-9
- MF:
- C8H10N2O2
- Structure:
- Chemical Name:
- Levosimendan Impurity 4
- CAS:
- 131741-37-2
- MF:
- C14 H14 N6 O2
- Structure:
- Chemical Name:
- Nicorandil Impurity 5
- CAS:
- 896133-95-2
- MF:
- C8H10N2O3
- Structure:
- Chemical Name:
- Ampicillin EP Impurity M
- CAS:
- 62326-82-3
- MF:
- C32H38N6O8S2
- Chemical Name:
- Diclindamycin Pyrophosphate/Clindamycin Phosphate EP Impurity K
- Structure:
- Chemical Name:
- Amoxicillin Impurity 3
- CAS:
- 297175-66-7
- MF:
- C31H40N6O9S2
- Chemical Name:
- Ceftizoxime sodium Impurity 6
- Chemical Name:
- Dapagliflozin Impurity 27
- Structure:
- Chemical Name:
- Celecoxib Impurity 23
- CAS:
- 2247197-66-4
- MF:
- C18H15F3N2O3S
- Structure:
- Chemical Name:
- 5-(4-Fluorophenyl)thiophene-2-carboxylic acid
- CAS:
- 115933-30-7
- MF:
- C11H7FO2S
- Structure:
- Chemical Name:
- Moxifloxacin Impurity 29
- CAS:
- 1620445-12-6
- MF:
- C21H22FN3O5
- Structure:
- Chemical Name:
- 2H-Isoindole-2-butanoic acid, 4-amino-γ-(aminocarbonyl)-1,3-dihydro-1-oxo-
- CAS:
- 2197414-57-4
- MF:
- C13H15N3O4
- Structure:
- Chemical Name:
- Paeoniflorgenin
- CAS:
- 697300-41-7
- MF:
- C17H18O6
- Chemical Name:
- Reference preparation
- Chemical Name:
- Atracurium EP Impurity K
- Structure:
- Chemical Name:
- PROPOFOL RELATED COMPOUND C (50 MG) (2,6-DIISOPROPYLPHENYL ISOPROPYLETHER)
- CAS:
- 141214-18-8
- MF:
- C15H24O
- Structure:
- Chemical Name:
- 2-Methyltetrahydropyran
- CAS:
- 10141-72-7
- MF:
- C6H12O
- Structure:
- Chemical Name:
- Pyridine, 3-[3-(1-methylethoxy)androsta-5,16-dien-17-yl]-
- CAS:
- 2484719-15-3
- MF:
- C27H37NO
- Structure:
- Chemical Name:
- 2-((2-naphthyloxy)methyl)-oxiran
- CAS:
- 5234-06-0
- MF:
- C13H12O2
- Chemical Name:
- 6-bromo-8-cyclopentyl-5-methyl-2-((5-(piperazin-1-yl)pyridin-2-yl)amino)pyrido[2,3-d]pyrimidin-7(8H)-one hydrochloride
- Structure:
- Chemical Name:
- Acetamide, N-[2-[1-(3,4-diethoxyphenyl)-2-(methylsulfonyl)ethyl]-2,3-dihydro-1,3-dioxo-1H-isoindol-4-yl]-
- CAS:
- 2448678-64-4
- MF:
- C23H26N2O7S
- Structure:
- Chemical Name:
- 2-(4-(2-(4-(1-(ethoxymethyl)-1H-benzo[d]imidazol-2-yl)piperidin-1-yl)ethyl)phenyl)-2-methylpropanoic acid
- MF:
- C27H35N3O3
- Structure:
- Chemical Name:
- 1,6-Naphthyridine-3-carboxamide, 4-(4-cyano-2-methoxyphenyl)-5-ethoxy-2,8-dimethyl-
- CAS:
- 2084136-51-4
- MF:
- C21H20N4O3
- Chemical Name:
- Ritonavir EP Impurity LNO
- Structure:
- Chemical Name:
- 1,6-Naphthyridine-3-carboxamide, 4-(4-cyano-2-methoxyphenyl)-1,4-dihydro-5-methoxy-2,8-dimethyl-
- CAS:
- 2640280-84-6
- MF:
- C20H20N4O3
- Structure:
- Chemical Name:
- deoxyfructosazine
- CAS:
- 17460-13-8
- MF:
- C12H20N2O7
- Structure:
- Chemical Name:
- 3-Hydroxy-4,5-dimethoxybenzoic acid
- CAS:
- 1916-08-1
- MF:
- C9H10O5
- Structure:
- Chemical Name:
- CYPERENONE
- CAS:
- 3466-15-7
- MF:
- C15H22O
- Chemical Name:
- BOTRYTISCINEREA
- CAS:
- 72882-27-0
- Structure:
- Chemical Name:
- Chikusetsu saponin Ib
- CAS:
- 59252-87-8
- MF:
- C47H74O18
- Structure:
- Chemical Name:
- 3,5-DIMETHYL 2-CHLORMETHYL PYRIDINE.HCL
- CAS:
- 73590-93-9
- MF:
- C8H11Cl2N
- Structure:
- Chemical Name:
- Cetirizine Amide
- CAS:
- 83881-37-2
- MF:
- C21H26ClN3O2
- Structure:
- Chemical Name:
- 21-Acetoxy-11β-hydroxy-16α,17α-propylmethylenedioxpregna-1,4-diene-3,20-dione
- CAS:
- 51333-05-2
- MF:
- C27H36O7
- Structure:
- Chemical Name:
- Dihydro-FK506
- CAS:
- 104987-30-6
- MF:
- C44H71NO12
- Structure:
- Chemical Name:
- Dehydro Tizanidine
- CAS:
- 125292-34-4
- MF:
- C9H6ClN5S
- Structure:
- Chemical Name:
- α-Ribavirin (Ribavirin Impurity B)
- CAS:
- 57198-02-4
- MF:
- C8H12N4O5
- Structure:
- Chemical Name:
- 1-(3-BroMopropyl)theobroMine
- CAS:
- 6493-10-3
- MF:
- C10H13BrN4O2
- Structure:
- Chemical Name:
- 5-(5-Carboxy-2-ethoxyphenyl)-1-Methyl-3-n-propyl-1,6-dihydro-7H-pyrazolo[4,3-d]pyriMidin-7-one
- CAS:
- 147676-78-6
- MF:
- C18H20N4O4
- Structure:
- Chemical Name:
- FaMotidine Acid IMpurity Methyl Ester
- CAS:
- 76824-14-1
- MF:
- C9H14N4O2S2
- Structure:
- Chemical Name:
- SiMvastatin Hydroxy Acid Ethyl Ester
- CAS:
- 864357-87-9
- MF:
- C27H44O6
- Structure:
- Chemical Name:
- Atomoxetine Related Compound B (10 mg) (N-Methyl-3-phenyl-3-(m-tolyloxy)propan-1-amine hydrochloride)
- CAS:
- 873310-28-2
- MF:
- C17H22ClNO
- Structure:
- Chemical Name:
- (αR,δS)-4-Fluoro-N-(4-fluorophenyl)-δ-hydroxy-α-[(4-hydroxyphenyl)Methyl]benzenepentanaMide
- CAS:
- 1197811-72-5
- MF:
- C24H23F2NO3
- Structure:
- Chemical Name:
- Entacapone EP IMpurity I
- CAS:
- 1364322-42-8
- MF:
- C13H12N2O6
- Structure:
- Chemical Name:
- (S)-1-(2-Chloroacetyl)pyrrolidine-2-carboxaMide
- CAS:
- 214398-99-9
- MF:
- C7H11ClN2O2
- Structure:
- Chemical Name:
- 5-Methyl-4,5,6,7-tetrahydrothiazolo[5,4-c]pyridine-2-carboxylic acid hydrochloride
- CAS:
- 720720-96-7
- MF:
- C8H11ClN2O2S
- Structure:
- Chemical Name:
- (S)-2-((6-(3-aMinopiperidin-1-yl)-3-Methyl-2,4-dioxo-3,4-dihydropyriMidin-1(2H)-yl)Methyl)benzonitrile
- CAS:
- 1353254-15-5
- MF:
- C18H25N3O2
- Structure:
- Chemical Name:
- 3,5-Pyridinedicarboxylic acid, 1,4-dihydro-2,6-dimethyl-4-(3-nitrophenyl)-, 3-[2-[(3,3-diphenylpropyl)methylamino]-1,1-dimethylethyl] 5-propyl ester
- CAS:
- 1797124-83-4
- MF:
- C38H45N3O6
- Structure:
- Chemical Name:
- Sildenafil EP IMpurity D
- CAS:
- 1357931-55-5
- MF:
- C17H20N4O5S
- Structure:
- Chemical Name:
- TaMsulosin EP IMpurity D
- CAS:
- 1799280-05-9
- MF:
- C19H26N2O5S