Reference Substance
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- Structure:
- Chemical Name:
- Plerixafor Impurity 7
- CAS:
- 117152-72-4
- MF:
- C24H36N4O4S2
- Chemical Name:
- Clindamycin Phosphate EP Impurity I
- Chemical Name:
- Cilastatin EP Impurity C
- Chemical Name:
- Atracurium EP Impurity G
- Structure:
- Chemical Name:
- (R)-N-((S)-1-amino-1-oxobutan-2-yl)-3-(bromomethyl)hexanamide
- CAS:
- 2242647-55-6
- MF:
- C11H21BrN2O2
- Structure:
- Chemical Name:
- (2S)-2[[(1S)-1-(ETHOXYCARBONYL)-3-PHENYLPROPYL]AMINO]PROPANOIC ACID ETHYL ESTER HYDROCHLORIDE
- MF:
- C17H26ClNO4
- Structure:
- Chemical Name:
- Acetamide, N-(2-benzoyl-4-nitrophenyl)-2,2-dichloro-
- CAS:
- 52335-34-9
- MF:
- C15H10Cl2N2O4
- Structure:
- Chemical Name:
- Engel net impurity 20
- CAS:
- 2452301-18-5
- MF:
- C23H29ClO8
- Chemical Name:
- (3R,4R)-3-((benzo[d][1,3]dioxol-5-yloxy)methyl)-4-(4-fluorophenyl)-1-methylpiperidine
- Chemical Name:
- Imidapril Impurity
- Structure:
- Chemical Name:
- Benzamide, 4-[3-[4-cyano-3-(trifluoromethyl)phenyl]-2-hydroxy-5,5-dimethyl-4-oxo-1-imidazolidinyl]-2-fluoro-N-methyl-
- CAS:
- 2029195-97-7
- MF:
- C21H18F4N4O3
- Structure:
- Chemical Name:
- Ergoline-8-methanol, 10-methoxy-6-methyl-, (8β,10β)- (9CI)
- CAS:
- 201931-22-8
- MF:
- C17H22N2O2
- Structure:
- Chemical Name:
- (S)-3(2h)-Pyridazinone, 6-(4-Aminophenyl)-4,5-Dihydro-5-Methyl-
- CAS:
- 101328-84-1
- MF:
- C11H13N3O
- Structure:
- Chemical Name:
- 2-Chloro-4-nitrobenzaldehyde
- CAS:
- 5568-33-2
- MF:
- C7H4ClNO3
- Chemical Name:
- Bromhexine Glucose Compound 2
- Structure:
- Chemical Name:
- (S)-4-Desmethoxy-4-chloro Omeprazole
- CAS:
- 863029-89-4
- MF:
- C16H16ClN3O2S
- Structure:
- Chemical Name:
- CISAPRIDEMONOHYDRATE
- CAS:
- 260779-88-2
- MF:
- C23H31ClFN3O5
- Structure:
- Chemical Name:
- 3,17-bis-deacetylvecuronium
- CAS:
- 73319-30-9
- MF:
- C30H53BrN2O2
- Structure:
- Chemical Name:
- 1,8,1',8'-tetrahydroxybisanthrone
- CAS:
- 31991-54-5
- MF:
- C28H18O6
- Structure:
- Chemical Name:
- 17-Desacetyl Rocuronium Bromide
- CAS:
- 119302-86-2
- MF:
- C30H51BrN2O3
- Structure:
- Chemical Name:
- platycoside E
- CAS:
- 237068-41-6
- MF:
- C69H112O38
- Structure:
- Chemical Name:
- HYOCHOLIC ACID
- CAS:
- 547-75-1
- MF:
- C24H40O5
- Structure:
- Chemical Name:
- Citalopram N-Oxide
- CAS:
- 63284-72-0
- MF:
- C20H21FN2O2
- Structure:
- Chemical Name:
- 7-epi-Clindamycin
- CAS:
- 16684-06-3
- MF:
- C18H33ClN2O5S
- Structure:
- Chemical Name:
- 1-Ethyl-3-[[4-(m-toluidino)-3-pyridyl]sulfonyl]urea
- CAS:
- 58155-35-4
- MF:
- C15H18N4O3S
- Structure:
- Chemical Name:
- Atorvastatin N-(3,5-Dihydroxy-7-heptanoic Acid)amide
- CAS:
- 1105067-87-5
- MF:
- C40H50CaFN3O8
- Structure:
- Chemical Name:
- 3-[2-(Diaminomethyleneamino)-1,3-thiazol-4-ylmethylsulphinyl]-N-sulphamoyl
propanamide
- CAS:
- 1020719-36-1
- MF:
- C8H14N6O4S3
- Structure:
- Chemical Name:
- (1S,3S)-1-(1,3-Benzodioxol-5-yl)-2,3,4,9-tetrahydro-1H-pyrido[3,4-b]indole-3-carboxylic Acid Methyl Ester
- CAS:
- 171596-43-3
- MF:
- C20H18N2O4
- Structure:
- Chemical Name:
- 16,17-Dehydro Capsaicin
- CAS:
- 509101-57-9
- MF:
- C18H25NO3
- Structure:
- Chemical Name:
- 1,1'-[(5E)-5-Methyl-7-oxo-5-undecene-1,11-diyl] Bis
- CAS:
- 874747-30-5
- MF:
- C26H34N8O5
- Structure:
- Chemical Name:
- 16-Oxo Ethynyl Estradiol
- CAS:
- 1350468-76-6
- MF:
- C20H22O3
- Structure:
- Chemical Name:
- Uridine Diphosphate Choline
- CAS:
- 99492-83-8
- MF:
- C14H25N3O12P2
- 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
- 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
- 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
- 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
- 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）
- 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
- 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:
- C19H20ClNO
- 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
- 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
- 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
- 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