Reference Substance
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- Structure:
- Chemical Name:2-ChloroMethyl-4-Methoxy-3,5-diMethylpyridine 1-Oxide
- CAS:848694-10-0
- MF:C9H12ClNO2
- Structure:
- Chemical Name:2-ChloroMethyl-4-Methoxy-3,5-diMethylpyridine 1-Oxide
- CAS:848694-10-0
- MF:C9H12ClNO2
- Structure:
- Chemical Name:(R,R,R)-Aprepitant
- CAS:1148113-53-4
- MF:C23H21F7N4O3
- Structure:
- Chemical Name:Rufinamide Related Compound B (25 mg) (Methyl 1-(2,6-difluorobenzyl)-1H-1,2,3-triazole-4-carboxylate)
- CAS:217448-86-7
- MF:C11H9F2N3O2
- Structure:
- Chemical Name:3,4-Dihydro-7-(4-hydroxybutoxy)-2(1H)-quinolinone
- CAS:889443-20-3
- MF:C13H17NO3
- Structure:
- Chemical Name:cefotaxiMe IMpurity D
- CAS:63527-53-7
- MF:C16H17N5O7S2
- Structure:
- Chemical Name:ZAFIRLUKAST IMpurity – D
- CAS:1160235-24-4
- MF:C46H49N5O8S
- Structure:
- Chemical Name:Aciclovir IMp. D (EP)
- CAS:59277-91-7
- MF:C15H15N5O4
- Chemical Name:Fulvestrant Sterol DiMer
- CAS:
- MF:
- Structure:
- Chemical Name:Lapatinib IMpurity 8
- CAS:320337-48-2
- MF:C26H19ClFN3O3
- Structure:
- Chemical Name:Afatinib iMpurity
- CAS:1680184-59-1
- MF:C24H25ClFN5O3
- Structure:
- Chemical Name:Levocarnitine iMpurity
- CAS:6490-20-6
- MF:C7H17ClN2O2
- Structure:
- Chemical Name:2-[3-(AMinocarbonyl)-4-(2-Methylpropoxy)phenyl]-4-Methyl-5-thiazolecarboxylic Acid
- CAS:1239233-86-3
- MF:C16H18N2O4S
- Structure:
- Chemical Name:2-Pyrrolidinyl-3-acetyl Desmorpholinylrocuronium Bromide
- CAS:1190105-66-8
- MF:C34H55BrN2O4
- Chemical Name:Afatinib IMpurity E
- CAS:
- MF:
- Structure:
- Chemical Name:Brivaracetam (alfaR, 4S)-Isomer
- CAS:357336-99-3
- MF:C11H20N2O2
- Structure:
- Chemical Name:Entacapone EP Impurity G
- CAS:1364322-41-7
- MF:C11H9N3O5
- Structure:
- Chemical Name:Isogambogenic acid
- CAS:887923-47-9
- MF:C38H46O8
- Structure:
- Chemical Name:(R)-9,10-difluoro-3-methyl-7-oxo-2,3-dihydro-7H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylic acid
- CAS:110548-07-7
- MF:C13H9F2NO4
- Structure:
- Chemical Name:(7R)-3-methyl-8-oxo-7-(2-(thiophen-2-yl)acetamido)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
- CAS:34691-02-6
- MF:C14H14N2O4S2
- Structure:
- Chemical Name:Olmesartan Medoxomil Impurity 4
- CAS:95579-71-8
- MF:C5H5ClO3
- Structure:
- Chemical Name:4-methoxy-3-(3-morpholinopropoxy)-2-nitrobenzonitrile
- CAS:1006378-06-8
- MF:C15H19N3O5
- Structure:
- Chemical Name:5-methoxy-2-((4-methoxy-3,5-dimethylpyridin-2-yl)methyl)-1H-benzo[d]imidazole
- CAS:1422064-00-3
- MF:C9H12ClNO2S
- Structure:
- Chemical Name:Metronidazole Impurity 9
- CAS:87009-72-1
- MF:C13H13N3O4
- Structure:
- Chemical Name:Ganciclovir EP impurity A
- CAS:1797982-93-4
- MF:C9H10ClN5O2
- Structure:
- Chemical Name:8-methyl-2-(4-methylphenyl)imidazo[1,2-a]pyridine
- CAS:381717-12-0
- MF:C15H14N2
- Structure:
- Chemical Name:4-[2-(tert-butylamino)ethyl]-2-(hydroxymethyl)phenol
- CAS:1823256-56-9
- MF:C13H21NO2
- Structure:
- Chemical Name:3-[2-[4-(6-fluoro-1,2-benzoxazol-3-yl)piperidin-1-yl]ethyl]-9-hydroxy-2-methylpyrido[1,2-a]pyrimidin-4-one
- CAS:766485-15-8
- MF:C23H23FN4O3
- Structure:
- Chemical Name:(E)-methyl 3-(4-((1H-imidazol-1-yl)methyl)phenyl)acrylate
- CAS:956932-46-0
- MF:C14H14N2O2
- Structure:
- Chemical Name:(E)-methyl 3-(4-((1H-imidazol-1-yl)methyl)phenyl)acrylate
- CAS:956932-46-0
- MF:C14H14N2O2
- Structure:
- Chemical Name:2-(3-methylbutanoyl)benzoic acid
- CAS:152567-80-1
- MF:C12H14O3
- Chemical Name:Eltrombopag Dimer Impurity
- CAS:
- MF:
- Structure:
- Chemical Name:ethyl 2-(3,5-diformyl-4-hydroxyphenyl)-4-methylthiazole-5- carboxylate
- CAS:2073891-59-3
- MF:C15H13NO5S
- Structure:
- Chemical Name:Amlodipine Impurity 26
- CAS:107812-86-2
- MF:C18H19Cl2NO4
- Structure:
- Chemical Name:Terbutaline EP Impurity B Hemisulphate
- CAS:153657-83-1
- MF:C13H21NO7S
- Structure:
- Chemical Name:Peramivir
- CAS:383910-22-3
- MF:C18H30N2O5
- Structure:
- Chemical Name:Deferasirox Impurity 8
- CAS:201530-78-1
- MF:C21H15N3O4
- Structure:
- Chemical Name:Carbidopa Impurity
- CAS:1176784-51-2
- MF:C9H8N2O2
- Structure:
- Chemical Name:Simvastatin Impurity 39
- CAS:79902-42-4
- MF:C23H34O5
- Chemical Name:Sugammadex sodium Decomposition process Impurity 2
- CAS:
- MF:
- Structure:
- Chemical Name:Carbocisteine Impurity 5
- CAS:118492-49-2
- MF:C5H7NO4S
- Structure:
- Chemical Name:Lifitegrast Impurity 3
- CAS:2295862-29-0
- MF:C30H26Cl2N2O7S
- Structure:
- Chemical Name:Iloperidone Impurity 31
- CAS:116218-80-5
- MF:C12H14O3
- Structure:
- Chemical Name:Deferasirox Impurity 6
- CAS:2254105-61-6
- MF:C21H15N3O4
- Structure:
- Chemical Name:Macitentan Impurity 23
- CAS:2365406-86-4
- MF:C12H11BrClN3O
- Chemical Name:Paroxetine Impurity 17（Paroxetine HCl Anhydrous EP Impurity J）
- CAS:
- MF:
- Structure:
- Chemical Name:Zolpidem Impurity 35
- CAS:1186313-33-6
- MF:C31H28N4
- Structure:
- Chemical Name:(trans)-3-((benzo[d][1,3]dioxol-5-yloxy)methyl)-4-(4'-fluoro-[1,1'- biphenyl]-3-yl)-1-methylpiperidine hydrochloride
- CAS:
- MF:C26H27ClFNO3
- Structure:
- Chemical Name:Lacosamide impurity 8/Lacosamide EP Impurity H/(S)-2-acetamido-N-((S)-1-(benzylamino)-3-methoxy-1-oxopropan-2-yl)-3-methoxypropanamide
- CAS:1375090-19-9
- MF:C17H25N3O5
- Structure:
- Chemical Name:Dapoxetine impurity 11/(S)-N-Didemethyl Dapoxetine HCl/(S)-α-[2-(1-Naphthalenyloxy)ethyl]benzenemethanamine Hydrochloride
- CAS:2095189-99-2
- MF:C19H19NO.ClH
- Structure:
- Chemical Name:Lifitegrast Impurity 14
- CAS:2295862-24-5
- MF:C31H28Cl2N2O7S
- Chemical Name:(S)-4-(((R)-1-carboxy-2-((3-hydroxypropyl) thio)ethyl)amino)-3-methyl-4-oxobutanoic acid
- CAS:
- MF:
- Structure:
- Chemical Name:Aprepitant EP Impurity C
- CAS:2348441-63-2
- MF:C29H25F7N4O3
- Structure:
- Chemical Name:Ergoline-8-methanol, 10-methoxy-1-methyl-, 5-bromo-3-pyridinecarboxylate (ester), (8β)- (9CI)
- CAS:192504-81-7
- MF:C23H24BrN3O3
- Chemical Name:Ampicillin Glycolylurea Analogue
- CAS:
- MF:
- Structure:
- Chemical Name:BISNORCHOLENALDEHYDE
- CAS:3986-89-8
- MF:C22H32O2
- Structure:
- Chemical Name:4-Amino-6-ethoxy-5-[[4-[(4R)-1,4,5,6-tetrahydro-4-methyl-6-oxo-3-pyridazinyl]phenyl]azo]-α-[[4-[(4R)-1,4,5,6-tetrahydro-4-methyl-6-oxo-3-pyridazinyl]phenyl]hydrazono]-2-pyrimidineacetonitrile
- CAS:618458-79-0
- MF:C30H30N12O3
- Structure:
- Chemical Name:2,4(1H,3H)-Pyrimidinedione, 6-(3-aminopropoxy)-1,3-dimethyl-
- CAS:2287518-97-0
- MF:C9H15N3O3
- Structure:
- Chemical Name:β-Alanine, N-[[2-[[[4-[[[(2-ethylbutoxy)carbonyl]amino]iminomethyl]phenyl]amino]methyl]-1-methyl-1H-benzimidazol-5-yl]carbonyl]-N-2-pyridinyl-, methyl ester
- CAS:2096992-10-6
- MF:C33H39N7O5
- Structure:
- Chemical Name:1-Actamido-3,5-dimethyladmantane
- CAS:19982-07-1
- MF:C14H23NO
- Structure:
- Chemical Name:[6R-[6alpha,7beta(Z)]]-3-(acetoxymethyl)-7-[[2-(formylamino)thiazol-4-yl](methoxyimino)acetamido]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
- CAS:66403-32-5
- MF:C17H17N5O8S2
- Structure:
- Chemical Name:2,2-dipropylvaleronitrile
- CAS:5340-48-7
- MF:C11H21N
- Structure:
- Chemical Name:Tachysterol 3
- CAS:17592-07-3
- MF:C27H44O
- Structure:
- Chemical Name:Cyclopenta[c]pyran-4-carboxylic acid, 1-(β-D-glucopyranosyloxy)-1,4a,5,6,7,7a-hexahydro-6-hydroxy-7-methyl-, methyl ester, (1S,4aS,6S,7S,7aS)-
- CAS:79172-04-6
- MF:C17H26O10
- Chemical Name:Ritonavir EP Impurity EFG
- CAS:
- MF:
- Structure:
- Chemical Name:1,1[(1-Methylethyl)imino]bis[3-[4-(2-methoxyethyl)phenoxy]-2-propanol_x000b_(Mixture of diastereomers)
- CAS:154784-36-8
- MF:C27H41NO6
- Structure:
- Chemical Name:1,4-Dihydro-2,6-dimethyl-4-(3-nitrophenyl)-3,5-pyridinedicarboxylic Acid 3-(2-Cyanoethyl) 5-Methyl Ester
- CAS:75130-24-4
- MF:C19H19N3O6
- Structure:
- Chemical Name:O-Desmethyl Metoprolol
- CAS:62572-94-5
- MF:C14H23NO3
- Structure:
- Chemical Name:3-Pyridinesulfonamide,N-3-pyridinyl-(9CI)
- CAS:5433-24-9
- MF:C10H9N3O2S
- Structure:
- Chemical Name:SG 103
- CAS:34104-46-6
- MF:C14H13N3O3
- Structure:
- Chemical Name:pseudomonic acid I
- CAS:40980-51-6
- MF:C26H44O10
- Structure:
- Chemical Name:2-(3,7-Dimethyl-2,6-octadienyl)-5-pentyl-1,3-benzenediol
- CAS:2808-33-5
- MF:
- Structure:
- Chemical Name:3-(2-Naphtyloxy)-1,2-propanediol
- CAS:34646-56-5
- MF:C13H14O3
- Structure:
- Chemical Name:6-Des(diethanolamino)-6-chloro Dipyridamole
- CAS:54093-92-4
- MF:C20H30ClN7O2
- Structure:
- Chemical Name:8-Fluoro-6-methoxy Moxifloxacin Dihydrochloride
- CAS:1029364-77-9
- MF:C21H24FN3O4
- Structure:
- Chemical Name:3-Desacetyl Vecuronium
- CAS:73319-13-8
- MF:C32H55N2O3.Br
- Structure:
- Chemical Name:Clindamycin B 2-Phosphate
- CAS:54887-31-9
- MF:C17H32ClN2O8PS
- Structure:
- Chemical Name:（2E，6Z，8E，10E）-N-(2-hydroxy-2-methylpropyl)dodeca-2,6,8,10-tetraenamide
- CAS:83883-10-7
- MF:C16H25NO2
- Structure:
- Chemical Name:Des(isopropylthiazolyl) Hydantoin Ritonavir
- CAS:1010809-61-6
- MF:C29H34N4O5S
- Structure:
- Chemical Name:Torasemide Impurity 3
- CAS:106944-63-2
- MF:C16H20N4O3S
- Structure:
- Chemical Name:(10E)-10,11-Didehydro-11-deoxy-6-O-MethylerythroMycin
- CAS:144604-03-5
- MF:C38H67NO12
- Structure:
- Chemical Name:(3aR,4R,7S,7aS)-2-(((1R,2S)-2-((4-(benzo[d]isothiazol-3-yl)piperazin-1-yl)Methyl)cyclohexyl)Methyl)hexahydro-1H-4,7-Methanoisoindole-1,3(2H)-dione
- CAS:1318074-22-4
- MF:C28H36N4O2S
- Structure:
- Chemical Name:Olanzapine Impurity C
- CAS:719300-59-1
- MF:C18H22ClN4S.Cl
- Structure:
- Chemical Name:(+/-)-1''-epi-Perindopril
- CAS:145513-33-3
- MF:C19H32N2O5
- Chemical Name:cefotaxiMe IMpurity A
- CAS:
- MF:
- Chemical Name:Ribavirin IMp. A (EP)
- CAS:
- MF:
- Structure:
- Chemical Name:TopiraMate N-Methyl IMpurity
- CAS:97240-80-7
- MF:C13H23NO8S
- Structure:
- Chemical Name:Clopidogrel
- CAS:1319197-71-1
- MF:C16H16ClNO3S
- Structure:
- Chemical Name:Isosilybin A
- CAS:142796-21-2
- MF:C25H22O10
- Structure:
- Chemical Name:Febuxostat Impurity 6
- CAS:1271738-74-9
- MF:C18H22N2O4S
- Structure:
- Chemical Name:Tenofovir Related Compound 6
- CAS:383365-04-6
- MF:C21H29N6O5P
- Structure:
- Chemical Name:Enzalutamide carboxylic acid
- CAS:1242137-15-0
- MF:C20H13F4N3O3S
- Structure:
- Chemical Name:Galacto Miglitol
- CAS:132310-34-0
- MF:C8H17NO5
- Structure:
- Chemical Name:2-(3-cyano-4-hydroxyphenyl)-4-methylthiazole-5-carboxylic acid
- CAS:407582-48-3
- MF:C12H8N2O3S
- Structure:
- Chemical Name:2,2-DIPROPYLPENTANOIC ACID
- CAS:52061-75-3
- MF:C11H22O2
- Structure:
- Chemical Name:(Z)-N-((5-(2-fluorophenyl)-1-(pyridin-3-ylsulfonyl)-1H-pyrrol-3-yl)methylene)methanamine oxide
- CAS:1883595-39-8
- MF:C17H14FN3O3S
- Chemical Name:Dapoxetine Impurity 14
- CAS:
- MF:
- Structure:
- Chemical Name:Levocetirizine amide impurity HCl
- CAS:909779-33-5
- MF:C21H26ClN3O2
- Chemical Name:Cefditoren Pivoxil Oxide impurity
- CAS:
- MF:
- Structure:
- Chemical Name:1-(2,6-difluorobenzyl)-1H-[1,2,3]triazole-4-carboxylic acid ethyl ester
- CAS:869501-51-9
- MF:C12H11F2N3O2