| Structure |
Chemical Name |
CAS |
MF |
 |
1,4,8,11- tetra(trifluoroacetyl)-1,4,8,11-tetraazacyclotetradecane |
201610-16-4 |
C18H20F12N4O4 |
 |
Acotiamide Impurity |
198470-83-6 |
C20H21N2NaO4S |
 |
Zopiclone Impurity 11 |
|
|
![(3R,5S)-5-((R)-8-fluoro-4-isopropyl-2-(N-methylmethylsulfonam ido)-5,6-dihydrobenzo[h]quinazolin-6-yl)-3,5-dihydroxypentanoate calcium(II)](/CAS/20200119/GIF/854898-49-0.gif) |
(3R,5S)-5-((R)-8-fluoro-4-isopropyl-2-(N-methylmethylsulfonam ido)-5,6-dihydrobenzo[h]quinazolin-6-yl)-3,5-dihydroxypentanoate calcium(II) |
854898-49-0 |
C44H54CaF2N6O12S2 |
 |
Terbutaline Impurity |
52144-90-8 |
C26H29NO3 |
 |
Doxorubicin EP Impurity C HBr |
60873-68-9 |
C27H29Br2NO10 |
|
|
Ceftazidime Impurity K |
|
|
 |
Furosemide Impurity 3 |
|
C12H11ClN2O5S |
![methyl (41S,12R,13aR)-13a-ethyl-12-
hydroxy-2,3,41,5,6,12,13,13aoctahydro-
1H-indolo[3,2,1-
de]pyrido[3,2,1-ij][1,5]naphthyridine-
12-carboxylate](/CAS/20210111/GIF/83508-83-2.gif) |
methyl (41S,12R,13aR)-13a-ethyl-12-
hydroxy-2,3,41,5,6,12,13,13aoctahydro-
1H-indolo[3,2,1-
de]pyrido[3,2,1-ij][1,5]naphthyridine-
12-carboxylate |
83508-83-2 |
C21H26N2O3 |
 |
Nicorandil Impurity 13 |
19416-51-4 |
C9H11NO3 |
 |
ethyl 4-(5-methyl-3-phenylisoxazol-4-yl)benzenesulfonate |
473465-11-1 |
C18H18N2O3S |
|
|
Rosuvastatin Impurity 51 |
|
|
 |
Ropivacaine-iPr-R |
1050482-18-2 |
C17H26N2O |
 |
Demiditraz IMpurity |
944268-66-0 |
C20H22N2O |
 |
Silodosin Impurity 3 |
1402161-34-5 |
C29H31N3O2 |
|
|
Tenofovir Impurity 61 |
|
|
 |
Betamethasone EP Impurity H |
185613-71-2 |
C22H29FO5 |
 |
Ticagrelor Impurity 70 |
1824025-11-7 |
C10H9F2NO |
 |
Topiroxostat Impurity 21 |
2044704-74-5 |
C13H7N5O |
 |
Mirabegron Impurity 17 |
1684452-84-3 |
C31H32N8O4S3 |
 |
Amifostine Impurity 8 |
66487-25-0 |
C5H10N2O |
|
|
Bendamustine Impurity 33 |
|
|
|
|
Bendamustine Impurity 38 |
|
|
 |
Ciprofloxacin Impurity 4 |
|
C17H18FN3O3 |
|
|
Dapagliflozin Impurity 29 |
|
|
|
|
Erlotinib Impurity 52 |
|
|
|
|
Etoposide Impurity 3 |
|
|
|
|
Nintedanib Impurity 29 |
|
|
|
|
Olaparib Impurity 23 |
|
|
|
|
Oseltamivir Impurity 19 |
|
|
 |
Rocuronium bromide Impurity 30 |
56240-11-0 |
C19H26O |
|
|
Rocuronium Bromide Impurity 38 |
|
|
 |
S-Silodosin |
2182279-45-2 |
C25H32F3N3O4 |
 |
Terazosin EP Impurity D |
102714-74-9 |
C15H19N5O3 |
|
|
Mirabegron Impurity MADT |
|
|
|
|
Palbociclib Impurity 30 |
|
|
 |
Parecoxib Impurity Q |
1373038-58-4 |
C16H14N2O3S |
|
|
Ropivacaine Impurity 30 |
|
|
 |
Blonanserin Impurity 10 |
132810-87-8 |
C23H30ClN3 |
|
|
Blonanserin impurity G |
|
|
|
|
Cefodizime Impurity 5 |
|
|
|
|
Clindamycin Impurity 4 |
|
|
 |
Doxofylline Impurity 4 |
2095554-12-2 |
C11H16N4O5 |
 |
Eltrombopag Impurity 1 |
1246929-02-1 |
C25H23N5O3 |
|
|
Everolimus impurity A |
|
|
|
|
Fosaprepitant Impurity 13 |
|
|
|
|
Gefitinib Impurity J |
|
|
|
|
Isavuconazole Impurity 23 |
|
|
|
|
Isavuconazole Impurity 29 |
|
|
|
|
Isavuconazole Impurity 7 |
|
|
 |
Lercanidipine Impurity 6 |
786625-22-7 |
C37H43N3O6 |
|
|
Linagliptin Impurity 43 |
|
|
|
|
MiraBegron Impurity A |
|
|
|
|
Moxifloxacin Impurity 15 |
|
|
|
|
Ropivacaine Impurity 39 |
|
|
|
|
Sugammadex sodium Org46643 Impurity |
|
|
 |
Butyphthalide impurity 41 |
1379166-79-6 |
C9H10O3 |
|
|
Butyphthalide impurity 47 |
|
|
|
|
Dapoxetine impurity 19 |
|
|
|
|
Empagliflozin Impurity KHC |
|
|
 |
Febuxostat Impurity 70 |
2418591-43-0 |
C16H16N2O3S |
|
|
Moxifloxacin Impurity 32 |
|
|
 |
1,4-ジヒドロ-2,6-ジメチル-4-(2-ニトロフェニル)-3,5-ピリジンジカルボン酸3-メチル5-エチル |
53055-15-5 |
C18H20N2O6 |
 |
Olaparib Impurity 15 |
2250243-17-3 |
C24H25FN4O3 |
 |
Olopatadine Impurity 4 |
55690-15-8 |
C18H18O5 |
|
|
Posaconazole Impurity 26 |
|
|
 |
Posaconazole Impurity 48 |
1902954-03-3 |
C37H42F2N8O5 |
|
|
Posaconazole Impurity 9 |
|
|
|
|
Roxithromycin Impurity E |
|
|
|
|
SofosBuvir impurity 48 |
|
|
 |
SofosBuvir Impurity 54 |
1431932-81-8 |
C12H17ClNO4P |
 |
Timolol EP Impurity G |
75202-36-7 |
C6H9N3O3S |
![2H-1,4-Benzoxazin-3(4H)-one, 8-[(1R)-2-bromo-1-hydroxyethyl]-6-(phenylmethoxy)-](/CAS/20210305/GIF/2248125-51-9.gif) |
2H-1,4-Benzoxazin-3(4H)-one, 8-[(1R)-2-bromo-1-hydroxyethyl]-6-(phenylmethoxy)- |
2248125-51-9 |
C17H16BrNO4 |
![Morpholine, 4-[4-(1,1-dimethylethoxy)-1,2,5-thiadiazol-3-yl]-](/CAS/20210305/GIF/158636-99-8.gif) |
Morpholine, 4-[4-(1,1-dimethylethoxy)-1,2,5-thiadiazol-3-yl]- |
158636-99-8 |
C10H17N3O2S |
|
|
Pemetrexed disodium Impurity 30 |
|
|
|
|
(S)-4,6,7,11-tetrahydroxy-9-(2-hydroxyacetyl)-7,8-dihydrotetracene-5,12-dione |
|
|
|
|
Ruxolitinib ImpurityABCDEFGHJKL |
|
|
|
|
Rosuvastatin Impurity 153 |
|
|
|
|
Rosuvastatin Impurity 138 |
|
|
|
|
Rosuvastatin Impurity 127 |
|
|
|
|
Oxacillin sodium EP impurity J |
|
|
|
|
Piperacillin Sodium EP Impurity P |
|
|
|
|
Ertapenem Impurity B(USP) |
|
|
 |
INDEX NAME NOT YET ASSIGNED |
2458312-06-4 |
C27H30N2O6 |
 |
15(R)-17-PHENYL TRINOR PROSTAGLANDIN F2ALPHA |
41639-71-8 |
C23H32O5 |
|
|
(5R,6S)-6-((R)-1-hydroxyethyl)-3-((R)-tetrahydrofuran-2-yl)-4-thia-1-azabicyclo[3.2.0]hept-2-en-7-one |
|
|
 |
Acetamide, N-(4-hydroxyphenyl)-N-nitroso- |
146897-60-1 |
C8H8N2O3 |
![3-Azetidineacetonitrile, 1-(ethylsulfonyl)-3-[4-(1H-pyrazol-4-yl)-7H-pyrrolo[2,3-d]pyrimidin-7-yl]-](/CAS/20210305/GIF/2402776-83-2.gif) |
3-Azetidineacetonitrile, 1-(ethylsulfonyl)-3-[4-(1H-pyrazol-4-yl)-7H-pyrrolo[2,3-d]pyrimidin-7-yl]- |
2402776-83-2 |
C16H17N7O2S |
|
|
Iohexol ImpuritiesE |
|
|
 |
TERT-BUTYL (R)-6-CHLORO-5-HYDROXY-3-OXOHEXANOATE |
404958-08-3 |
C10H17ClO4 |
|
|
2-(3-(4-(4-(1-(3-(cyanomethyl)-1-(ethylsulfonyl)azetidin-3-yl)-1H-pyrazol-4-yl)-7H-pyrrolo[2,3-d]pyrimidin-2-yl)-1H-pyrazol-1-yl)-1-(ethylsulfonyl)azetidin-3-yl)acetonitrile |
|
|
|
|
8-chloro-11-(1-((5-methylpyridin-3-yl)methyl)piperidin-4-yl)-11H-benzo[5,6]cyclohepta[1,2-b]pyridine |
|
|
|
|
Bumetanide Photodegradable Impurity 16 |
|
|
|
|
Bisoprolol Impurity 47 |
|
|
|
|
Gadobutrol Impurity 11(Ammonium salt) |
|
|
|
|
Flomoxef Impurity F |
|
|
|
|
Tegoprazan Impurity 15 |
|
|
|
|
Nirmatrelvir Impurity 8 |
|
|
|
|
Nirmatrelvir Impurity 2 |
|
|
|
|
(5-(2-fluorophenyl)-1H-pyrrol-3-yl)methanamine hydrochloride |
|
|