| Structure |
Chemical Name |
CAS |
MF |
 |
3-Pyrazolidinone, 5-cyclopentyl-, (5R)-, (2S,3S)-2,3-dihydroxybutanedioate (1:1) |
2102675-37-4 |
C12H20N2O7 |
![1(2H)-Naphthalenone, 4-hydroxy-3-methyl-2-[(2E,6E,10E)-3,7,11,15-tetramethyl-2,6,10,14-hexadecatetraen-1-ylidene]-](/CAS/20210305/GIF/693781-59-8.gif) |
1(2H)-Naphthalenone, 4-hydroxy-3-methyl-2-[(2E,6E,10E)-3,7,11,15-tetramethyl-2,6,10,14-hexadecatetraen-1-ylidene]- |
693781-59-8 |
C31H40O2 |
 |
Bisoprolol Impurity 50 |
|
|
|
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Milnacipran Impurity 26 |
|
|
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Olodaterol Impurity 15 |
|
|
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Dobutamine Impurity 15 |
|
|
![2,3'-Bipyridine, 5-chloro-6'-methyl-3-[4-(methylthio)phenyl]-, hydrochloride (1:1)](/CAS/20211123/GIF/1447814-82-5.gif) |
2,3'-Bipyridine, 5-chloro-6'-methyl-3-[4-(methylthio)phenyl]-, hydrochloride (1:1) |
1447814-82-5 |
C18H16Cl2N2S |
|
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Pitavastatin Impurity 104 |
|
|
|
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Tegoprazan Impurity 8 |
|
|
 |
Atomoxetine EP Impurity G DiHCl (Mixture of Diastereomers) |
2706536-33-4 |
C27H34N2O2 |
|
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Nirmatrelvir Impurity 10 |
|
|
|
|
Levosimendan Nitrosogenin Impurities |
|
|
 |
7-(ALPHA-BROMOACETAMIDO)CEPHALOSPORANIC ACID |
26973-80-8 |
C12H13BrN2O6S |
|
|
Bumetanide Impurity 20 |
|
|
|
|
Rocuronium Bromide Impurity 28 、29 |
|
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Roxadustat Impurity 22 |
|
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Olaparib Impurity 41 |
|
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Perospirone Impurity 22 |
|
|
 |
2-CHLOROMETHYL-3-METHYL-4-(2,2,2-TRIFLUOROETHOXY)PYRIDINE |
128430-66-0 |
C9H9ClF3NO |
 |
1-(2,3-EPOXYPROPYL)-2-METHYL-5-NITROIMIDAZOLE |
16773-52-7 |
C7H9N3O3 |
|
|
Bendamustine Related Impurity 12 |
|
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|
Bendamustine Related Impurity 3 |
|
|
 |
Edoxaban Impurity 26 (1R,2S,4R) |
1255529-33-9 |
C21H30ClN5O5 |
 |
Ezetimibe Impurity 36 |
1809031-15-9 |
C39H46F2N2O5Si2 |
 |
Linagliptin Impurity 29 |
2074688-82-5 |
C58H58N16O6 |
 |
Methylprednisolone Acetate EP Impurity H |
1968-76-9 |
C24H32O4 |
|
|
Rivaroxaban Impurity 44 |
|
|
 |
Sitafloxacin Impurity 3 |
|
C23H10Cl2F4N2O6 |
|
|
Tenofovir Impurity 39 |
|
|
|
|
Ticagrelor Related Compound 82 |
|
|
 |
Perospirone Impurity 14 |
87691-94-9 |
C15H20BrN3S |
|
|
Dolutegravir Impurity 22 |
|
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|
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Paxlovid Impurity 20 |
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Related impurities 7 of fluoxetine sodium |
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Revefenacin Impurity 16 |
|
|
 |
Fondaparinux sodium impurity 8 |
2088176-32-1 |
C30H50N2O46S7 |
|
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Fondaparinux sodium impurity 14 |
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Fondaparinux Sodium Impurity 9 |
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Oxacillin sodium Impurity D |
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Piracetam IMPURITY |
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Nilotinib N-Oxide Impurity 4 |
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sodium (6R,7S)-7-amino-7-methoxy-6-methyl-3-(((1-methyl-1H-tetrazol-5-yl)thio)methyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate |
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Olodaterol Impurity 32 |
|
|
 |
(R)-Lercanidipine Hydrochloride |
187731-34-6 |
C36H42ClN3O6 |
 |
2-Oxo Clopidogrel Hydrochloride (Mixture of diastereomers) |
109904-27-0 |
C16H16ClNO3S |
 |
5-Hydroxy-6-methoxy-1-indanone |
127399-78-4 |
C10H10O3 |
 |
Desfluoro Citalopram Oxalate |
1093072-86-6 |
C22H24N2O5 |
 |
Didesmethyl Zolmitriptan |
139264-15-6 |
C14H17N3O2 |
 |
Gabapentin Related Compound E |
67950-95-2 |
C9H14O4 |
 |
Hydroxy Bosentan |
253688-60-7 |
C27H29N5O7S |
 |
Lisinopril S,S,S-Diketopiperazine |
328385-86-0 |
C21H29N3O4 |
 |
rac 4-Desmethoxy-4-nitro Omeprazole |
317807-10-6 |
C16H16N4O4S |
 |
trans 1-Benzyl-4-(4-fluorophenyl)-3-piperidinemethanol |
201855-60-9 |
C19H22FNO |
 |
ETHYL 7-CHLORO-1-ETHYL-6-FLUORO-1,4-DIHYDRO-4-OXO-QUINOLINE-5-CARBOXYLATE |
70458-94-5 |
C14H13ClFNO3 |
|
|
Vonoprazan Impurity 20 |
|
|
![N-(2,6-Dimethylphenyl)-4-[2-hydroxy-3-(4-methoxyphenoxy)propyl]-1-piperazineacetamide](/CAS/20200331/GIF/1393717-45-7.gif) |
N-(2,6-Dimethylphenyl)-4-[2-hydroxy-3-(4-methoxyphenoxy)propyl]-1-piperazineacetamide |
1393717-45-7 |
C24H33N3O4 |
![methyl (4,6-diamino-2-(1-(2-fluorobenzyl)-1H-pyrazolo[3,4-b]
pyridin-3-yl)pyrimidin-5-yl)(ethyl)carbamate](/CAS/20200331/GIF/1361570-27-5.gif) |
methyl (4,6-diamino-2-(1-(2-fluorobenzyl)-1H-pyrazolo[3,4-b]
pyridin-3-yl)pyrimidin-5-yl)(ethyl)carbamate |
1361570-27-5 |
C21H21FN8O2 |
|
|
Cefathiamidine Impurity G |
|
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Olaparib Impurity P |
|
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Ozagrel Impurity 1 |
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Pidotimod Impurity P |
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Pitavastatin Impurity 11 |
|
|
|
|
Pramipexole Impurity 18 |
|
|
|
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Tenofovir disoproxil Impurity 18 |
|
|
|
|
Tenofovir Impurity 50 |
|
|
 |
Darunavir |
1526916-57-3 |
C22H31N3O5S |
 |
(S)-3-(4-(2,5-dibromobenzyl)phenoxy)tetrahydrofuran |
|
C17H16Br2O2 |
 |
PEONIN CHLORIDE(SH) |
132-37-6 |
C28H33ClO16 |
 |
METOPROLOL IMPURITY A |
|
C15H25NO3 |
|
|
NICERGOLINE IMPURITY A |
|
|
 |
AZITHROMYCIN IMPURITY B |
307974-61-4 |
C38H72N2O11 |
 |
1026009-77-7 |
1026009-77-7 |
C20H22N2O |
 |
α,α,α'',5-Tetramethyl-1,3-benzenediacetonitrile |
120512-38-1 |
C14H16N2 |
|
|
α,α,α'',5-Tetramethyl-1,3-benzenediacetonitrile |
120512-38-1 |
C14H16N2 |
![Pyrido[4,3-d]pyrimidine-2,4,7(1H,3H,6H)-trione, 1-(3-aminophenyl)-3-cyclopropyl-5-[(2-fluoro-4-iodophenyl)amino]-6,8-dimethyl-](/CAS/GIF/871701-87-0.gif) |
Pyrido[4,3-d]pyrimidine-2,4,7(1H,3H,6H)-trione, 1-(3-aminophenyl)-3-cyclopropyl-5-[(2-fluoro-4-iodophenyl)amino]-6,8-dimethyl- |
871701-87-0 |
C24H21FIN5O3 |
|
|
Regorafenib Impurity MJ |
|
|
|
|
Aztreonam Open-Ring Desulfurization Impurity |
|
|
|
|
Cefixime Polymer Impurity B |
|
|
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|
Azlocillin dioxide Impurity |
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|
Azlocillin dioxide Impurity |
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|
7-(2-methoxypropanoyl)-5H-chromeno[2,3-b]pyridin-5-one |
|
|
 |
Ibrutinib Impurity 42 |
2031255-24-8 |
C25H23N5O3 |
|
|
Pramipexole Impurity N |
|
|
 |
Hydroxychloroquine Impurity 12 Hydrochloride |
2411340-31-1 |
C18H26ClN3O |
 |
Verteporfin impurity |
121310-58-5 |
C40H40N4O8 |
|
|
Peramivir Impurity 25 |
|
|
 |
Peramivir Impurity 33 |
2758048-78-9 |
C18H34N2O5 |
|
|
Imatinib impurity XT |
|
|
![1-deoxy-1-[2-(phenylazo)-3,4-xylidino]-D-ribitol](/CAS/20200611/GIF/21037-25-2.gif) |
1-deoxy-1-[2-(phenylazo)-3,4-xylidino]-D-ribitol |
21037-25-2 |
C19H25N3O4 |
 |
ethyl 3-acetoxy-2-butenoate |
29214-62-8 |
C8H12O4 |
 |
2-(bromomethyl)-2-(2,4-dichlorophenyl)-1,3-dioxolane-4-methanol |
68751-57-5 |
C11H11BrCl2O3 |
![2H-3-Benzazepin-2-one, 3-[3-[[[(7S)-3,4-dimethoxybicyclo[4.2.0]octa-1,3,5-trien-7-yl]methyl]methylamino]propyl]-1,3,4,5-tetrahydro-1-hydroxy-7,8-dimethoxy-](/CAS/20211123/GIF/2511244-96-3.gif) |
2H-3-Benzazepin-2-one, 3-[3-[[[(7S)-3,4-dimethoxybicyclo[4.2.0]octa-1,3,5-trien-7-yl]methyl]methylamino]propyl]-1,3,4,5-tetrahydro-1-hydroxy-7,8-dimethoxy- |
2511244-96-3 |
C27H36N2O6 |
|
|
Oseltamivir Impurity 91 |
|
|
|
|
Oseltamivir Impurity 80 |
|
|
|
|
Oseltamivir Impurity 72 |
|
|
 |
4(1H)-Quinazolinone, 6,8-dibromo-3-cyclohexyl-2,3-dihydro- |
2512203-87-9 |
C14H16Br2N2O |
 |
Linagliptin impurity KH-3 |
2279114-27-9 |
C30H37N7O6 |
![3-Azetidineacetic acid, 1-(ethylsulfonyl)-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]-, methyl ester](/CAS/20210305/GIF/2402776-80-9.gif) |
3-Azetidineacetic acid, 1-(ethylsulfonyl)-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]-, methyl ester |
2402776-80-9 |
C17H20N6O4S |
 |
11beta,21-dihydroxypregna-1,4,16-triene-3,20-dione 21-acetate |
3044-42-6 |
C23H28O5 |
 |
FEXOFENADINE EP IMPURITY A - HCl |
153439-43-1 |
C32H38ClNO4 |