Reference Substance
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- 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
- 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:
- C32H55BrN2O3
- 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:
- C18H22Cl2N4S
- Structure:
- Chemical Name:
- (+/-)-1''-epi-Perindopril
- CAS:
- 145513-33-3
- MF:
- C19H32N2O5
- Chemical Name:
- cefotaxiMe IMpurity A
- Chemical Name:
- Ribavirin IMp. A (EP)
- 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
- Structure:
- Chemical Name:
- Levocetirizine amide impurity HCl
- CAS:
- 909779-33-5
- MF:
- C21H26ClN3O2
- Chemical Name:
- Cefditoren Pivoxil Oxide impurity
- Structure:
- Chemical Name:
- 1-(2,6-difluorobenzyl)-1H-[1,2,3]triazole-4-carboxylic acid ethyl ester
- CAS:
- 869501-51-9
- MF:
- C12H11F2N3O2
- Structure:
- Chemical Name:
- ROBMDUUOTVWJEL-UHFFFAOYSA-N
- CAS:
- 1797117-23-7
- MF:
- C19H24BrNO3
- Structure:
- Chemical Name:
- (3S,4S,6S,9S)-13-[2-(1-Hydroperoxy-1-methylethyl)-4-thiazolyl]-4-hydroxy-12-methyl-9-(1-methylethyl)-8,11-dioxo-3,6-bis(phenylmethyl)-2,7,10,12-tetraazatridecanoic Acid 5-thiazolylmethyl Ester
- CAS:
- 2034136-66-6
- MF:
- C37H48N6O7S2
- Structure:
- Chemical Name:
- (S,E)-N-(1-((3-methylbut-1-en-1-yl)amino)-1-oxo-3-phenylpropan-2-yl) pyrazine-2-carboxamide
- CAS:
- 862895-00-9
- MF:
- C19H22N4O2
- Structure:
- Chemical Name:
- 4-((3-chloro-4-methoxybenzyl)amino)-2-(methylthio)-N-(pyrimidin-2-ylmethyl)pyrimidine-5-carboxamide
- CAS:
- 1364671-62-4
- MF:
- C19H19ClN6O2S
- Structure:
- Chemical Name:
- Dapoxetine impurity
- CAS:
- 2242008-37-1
- MF:
- C30H31NO2
- Structure:
- Chemical Name:
- Zoledronic acid
- CAS:
- 1334703-07-9
- MF:
- C11H17ClN2O4
- Structure:
- Chemical Name:
- Apixaban Impurity 23
- CAS:
- 1801881-17-3
- MF:
- C24H23N5O3
- Structure:
- Chemical Name:
- Teriflunomide Impurity 3
- CAS:
- 62004-05-1
- MF:
- C12H9F3N2O2
- Structure:
- Chemical Name:
- Parecoxib ImpurityO
- CAS:
- 198470-91-6
- MF:
- C20H20N2O4S
- Structure:
- Chemical Name:
- tert-butyl 2-((4R,6R)-6-(2-((3R,5R)-7-(2-(4-fluorophenyl)-5- isopropyl-3-phenyl-4-(phenylcarbamoyl)-1H-pyrrol-1-yl)-3,5- dihydroxyheptanamido)ethyl)-2,2-dimethyl-1,3-dioxan-4-yl)acetate
- CAS:
- 1371615-55-2
- MF:
- C47H60FN3O8
- Structure:
- Chemical Name:
- N-Nitroso-N-Methyl-4-Aminobutyric Acid
- CAS:
- 61445-55-4
- MF:
- C5H10N2O3
- Structure:
- Chemical Name:
- Atorvastatin Impurity 35
- MF:
- C66H68CaF2N4O10
- Chemical Name:
- Lurasidone Impurity 44
- Chemical Name:
- Cefathiamidine Impurity 3
- Structure:
- Chemical Name:
- Trabectedin Intermediate A23
- CAS:
- 366020-68-0
- MF:
- C31H34N4O8S
- Chemical Name:
- Milrinone Impurity
- CAS:
- 1443528-67-3
- Chemical Name:
- Amoxicillin EP Impurity O
- Structure:
- Chemical Name:
- FLUCONAZOLE IMPURITY C
- CAS:
- 514222-44-7
- MF:
- C10H8N6
- Chemical Name:
- Peramivir Impurity 32
- Chemical Name:
- Sugammadex sodium Impurity 37
- Chemical Name:
- [18O3]-Chlorate
- Structure:
- Chemical Name:
- Empagliflozin impurity 28 (hydroperoxy impurity)
- CAS:
- 2452301-14-1
- MF:
- C23H27ClO9
- Structure:
- Chemical Name:
- (S)-2-amino-N-((S)-1-amino-1-oxobutan-2-yl)butanamide hydrochloride
- CAS:
- 2432911-41-4
- MF:
- C8H17N3O2
- Structure:
- Chemical Name:
- Hexanenitrile, 3-(hydroxymethyl)-, (3R)-
- CAS:
- 2179080-15-8
- MF:
- C7H13NO
- Structure:
- Chemical Name:
- Benzeneethanamine, 4-(3,5-diiodo-4-methoxyphenoxy)-3,5-diiodo-
- CAS:
- 2230724-39-5
- MF:
- C15H13I4NO2
- Chemical Name:
- Avatrombopag Impurity 18
- Structure:
- Chemical Name:
- (Z)-alpha-(methoxyimino)furan-2-acetic acid
- CAS:
- 39684-61-2
- MF:
- C7H7NO4
- Structure:
- Chemical Name:
- 2-Propanol, 1-[[2-(2-methoxyphenoxy)ethyl]methylamino]-3-[(9-methyl-9H-carbazol-4-yl)oxy]-
- CAS:
- 1479052-24-8
- MF:
- C26H30N2O4
- Structure:
- Chemical Name:
- 1-Pyrrolidineacetic acid, α-ethyl-2-oxo-4-propyl-, (αS,4S)-
- CAS:
- 2165431-90-1
- MF:
- C11H19NO3
- Structure:
- Chemical Name:
- 3-Butenoic acid, 2-diazo-3-[[(1,1-dimethylethyl)dimethylsilyl]oxy]-, (4-nitrophenyl)methyl ester
- CAS:
- 93788-48-8
- MF:
- C17H23N3O5Si
- Chemical Name:
- Ampicillin Impurity P(usp3)
- Structure:
- Chemical Name:
- 1-Piperidinepropanenitrile, 4-methyl-β-oxo-3-(7H-pyrrolo[2,3-d]pyrimidin-4-ylamino)-, (3R,4R)-
- CAS:
- 1527525-58-1
- MF:
- C15H18N6O
- Structure:
- Chemical Name:
- 2H-1,3-Thiazine-2-acetic acid, α-[[(2Z)-2-(2-amino-4-thiazolyl)-2-(methoxyimino)acetyl]amino]-4-[[(2,2-dimethyl-1-oxopropoxy)methoxy]carbonyl]-3,6-dihydro-5-[(1Z)-2-(4-methyl-5-thiazolyl)ethenyl]-, (2R)-
- CAS:
- 2409806-43-3
- MF:
- C25H30N6O8S3
- Chemical Name:
- Ritonavir EP Impurity PQR
- Structure:
- Chemical Name:
- (3R,5R,7R,8R,9S,10R,12S,13R,14S,17R)-3,7,12-trihydroxy-10,13-dimethyl-17-[(]
- CAS:
- 863-39-8
- MF:
- C28H48O5
- Structure:
- Chemical Name:
- 17-deacetylvecuronium
- CAS:
- 50587-95-6
- MF:
- C32H55BrN2O3
- Structure:
- Chemical Name:
- physalin F
- CAS:
- 57423-71-9
- MF:
- C28H30O10
- Chemical Name:
- Agarotetrol (AHl).
- MF:
- C17H18O6
- Structure:
- Chemical Name:
- CETRORELIX
- CAS:
- 145672-81-7
- MF:
- C70H92ClN17O14.C2H4O2
- Structure:
- Chemical Name:
- 1-(3-Hydroxypropyl)-3,7-dimethyl-1H-purine-2,6(3H,7H)-dione
- CAS:
- 59413-14-8
- MF:
- C10H14N4O3
- Structure:
- Chemical Name:
- 2-Methyl-5-nitro-1H-imidazole-1-acetic acid ethyl ester
- CAS:
- 1016-40-6
- MF:
- C8H11N3O4
- Structure:
- Chemical Name:
- (E,E)-3,5-Di-O-caffeoylquinic acid
- CAS:
- 89919-62-0
- MF:
- C25H24O12
- Structure:
- Chemical Name:
- Clindamycin 4-Phosphate
- CAS:
- 54887-30-8
- MF:
- C18H34ClN2O8PS
- Structure:
- Chemical Name:
- Hydroxy Ritonavir
- CAS:
- 176655-56-4
- MF:
- C37H48N6O6S2
- Structure:
- Chemical Name:
- (E)-17-ethyl-1,14-dihydroxy-12[(E)-2-(4-hydroxy-3-Methoxycyclohexyl)-1-Methylvinyl]-23,25-diMethoxy-13,19,21,27-tetraMethyl-11,28-dioxa-4-azatricyclo[22.3.1.0(super4,9)]octacos-18-ene-2,3,10,16-tetrone
- CAS:
- 135635-46-0
- MF:
- C43H69NO12
- Structure:
- Chemical Name:
- 2,3-Dehydro Ketoconazole
- CAS:
- 254912-63-5
- MF:
- C26H26Cl2N4O4
- Structure:
- Chemical Name:
- rac-trans-4-Defluoro-4-ethoxy Paroxetine Hydrochloride
- CAS:
- 1346597-97-4
- MF:
- C21H26ClNO4
- Structure:
- Chemical Name:
- 1,1'-Methylene Bis[TheobroMine]
- CAS:
- 77196-87-3
- MF:
- C15H16N8O4
- Structure:
- Chemical Name:
- 2-[[(3,5-DiMethyl-2-pyridinyl)Methyl]thio]-6-Methoxy-1H-benziMidazole
- CAS:
- 704910-89-4
- MF:
- C16H17N3OS
- Structure:
- Chemical Name:
- 1-(4-AMinophenyl)-5,6-dihydro-3-(4-Morpholinyl)-2(1h)-pyridinone
- CAS:
- 1267610-26-3
- MF:
- C15H19N3O2
- Structure:
- Chemical Name:
- (2R,3S)-2-[(1S)-1-[3,5-Bis(trifluoroMethyl)phenyl]ethoxy]-3-(4-fluorophenyl)Morpholine hydrochloride
- CAS:
- 1185503-48-3
- MF:
- C20H18F7NO2
- Structure:
- Chemical Name:
- Desacetyl DesMethyl LacosaMide
- CAS:
- 175481-39-7
- MF:
- C10H14N2O2
- Structure:
- Chemical Name:
- SalbutaMol IMpurity K
- CAS:
- 898542-80-8
- MF:
- C13H18ClNO3
- Structure:
- Chemical Name:
- TaMsulosin EP IMpurity C
- MF:
- C20H28N2O5S
- Chemical Name:
- Crizotinib iMpurity
- Structure:
- Chemical Name:
- IpratropiuM BroMide IMpurity F (Mixture of DiastereoMers)
- CAS:
- 17812-46-3
- MF:
- C20H29Br2NO3
- Structure:
- Chemical Name:
- Tedizolid IMpurity
- CAS:
- 1256966-04-7
- MF:
- C37H34F2N14O11P2
- Structure:
- Chemical Name:
- Dabigatran Impurity 8
- CAS:
- 1408238-40-3
- MF:
- C34H40N6O6
- Structure:
- Chemical Name:
- Meropenem IMP A
- CAS:
- 1053703-36-8
- MF:
- C17H27N3O6S
- Structure:
- Chemical Name:
- Bromhexine EP Impurity E
- CAS:
- 1660957-93-6
- MF:
- C15H21Br2ClN2
- Chemical Name:
- Tizanidine Impurity
- Chemical Name:
- (R)-2-(1-((((R)-1-(3-((E)-2-(7-chloroquinolin-2-yl)vinyl)phenyl)-3-(2-(2-hydroxypropan-2-yl)phenyl)prop
- Structure:
- Chemical Name:
- N-(2-Amino-2-oxoethyl)-N-[(2S)-2-(3,5-dioxo-1-piperazinyl)propyl]-glycine
- CAS:
- 120418-76-0
- MF:
- C11H18N4O5
- Structure:
- Chemical Name:
- 2-(Acetylamino)-N-(phenylmethyl)-2-propenamide
- CAS:
- 86921-49-5
- MF:
- C12H14N2O2
- Structure:
- Chemical Name:
- 2-(4-(sec-butoxy)-3-cyanophenyl)-4-methylthiazole-5-carboxylic acid
- CAS:
- 1335202-59-9
- MF:
- C16H16N2O3S
- Structure:
- Chemical Name:
- Canagliflozin Impurity 16
- CAS:
- 1807632-93-4
- MF:
- C15H14Br2O
- Structure:
- Chemical Name:
- Dapagliflozin Impurity 8
- CAS:
- 2305949-33-9
- MF:
- C15H12ClIO2
- Structure:
- Chemical Name:
- Everolimus Impurity 1
- CAS:
- 745779-75-3
- MF:
- C52H81NO14