| Structure |
Chemical Name |
CAS |
MF |
 |
Dabigatran iMpurity J |
211915-00-3 |
C33H39N7O5 |
 |
Milnacipran Related Impurity 3 |
19532-98-0 |
C10H12N2O2 |
 |
N-(3-(2-(2-chloropyriMidin-4-yl)acetyl)-2-fluorophenyl)-2,6-difluorobenzenesulfonaMide |
1195768-20-7 |
C18H11ClF3N3O3S |
 |
1,1′-Trimethylenedi-theobromine |
74857-22-0 |
C17H20N8O4 |
 |
(R)-(-)-MUSCONE |
10403-00-6 |
C16H30O |
 |
Atazanavir EP Impurity G |
1332981-16-4 |
C38H52N6O7 |
 |
LincoMycin 2-Phosphate |
27480-30-4 |
C18H35N2O9PS |
 |
6α-Hydroxy Norgestrel |
87585-03-3 |
C21H28O3 |
 |
Ceftaroline Fosamil Impurity 8 |
1286218-63-0 |
C22H23N8O9PS4 |
![Cyclophosphamide Related Compound D (25 mg) (3-[2-(2-chloroethylamino)ethylamino]propyl dihydrogen phosphate dihydrochloride)](/CAS/20180808/GIF/158401-51-5.gif) |
Cyclophosphamide Related Compound D (25 mg) (3-[2-(2-chloroethylamino)ethylamino]propyl dihydrogen phosphate dihydrochloride) |
158401-51-5 |
C7H19Cl2N2O4P |
 |
Cefotiam Impurity 1 |
775233-43-7 |
C13H14N4O5S2 |
 |
2-Des(acetylthioMethyl)-2-Methylene Racecadotril |
87428-99-7 |
C19H19NO3 |
 |
Dabigatran iMpurity K |
2225986-95-6 |
C34H41N7O5 |
 |
Dapoxetine-004 |
2245197-07-1 |
C30H31NO |
 |
AmBroxol Impurity 11 |
2088879-81-4 |
C14H16Br2N2O |
 |
Lidocaine IMpurity E |
745798-07-6 |
C20H25N3O2 |
 |
N,5-bis(4-chlorophenyl)-3-iMino-3,5-dihydrophenazin-2-aMine |
102262-55-5 |
C24H16Cl2N4 |
 |
N-Desbutyl-N-propyl BuMetanide |
28395-28-0 |
C16H18N2O5S |
 |
Imipenem Impurity |
776257-75-1 |
C24H34N6O8S2 |
 |
(1S,2S,3S,4R)-Methyl 3-((R)-1-aMino-2-ethylbutyl)-4-(tert-butoxycarbonylaMino)-2-hydroxycyclopentanecarboxylate |
316173-29-2 |
C18H34N2O5 |
 |
(3R,8S,9S,12S) Atazanavir |
1332981-14-2 |
C38H52N6O7 |
 |
Cephalexin Diketopiperazine Monoacid (Mixture of DiastereoMers) |
1323247-65-9 |
C16H19N3O5S |
 |
Teriflunomide Impurity 2 |
220512-86-7 |
C12H9F3N2O2 |
 |
3-Isobutylglutarimid |
916982-10-0 |
C9H15NO2 |
 |
Olaparib Impurity G |
|
|
 |
((2R,3S,4R,5R,6S)-6-(4-chloro-3-(4-((S)-tetrahydrofuran-3-yloxy)benzyl)phenyl)-3,4,5-trihydroxytetrahydro-2H-pyran-2-yl)Methyl acetate |
864070-37-1 |
C19H21ClO6 |
 |
EsoMeprazole related substance H431/41 |
1227380-90-6 |
C16H15N3O4 |
 |
3-Thiomorpholinecarboxylic acid, 5-oxo-, 1-oxide |
88620-38-6 |
C5H7NO4S |
 |
Avatrombopag Impurity 22 |
570403-14-4 |
C31H38Cl2N6O3S2 |
 |
Paroxetine Related Impurity 9 |
253768-88-6 |
C26H24FNO5 |
 |
Azilsartan iMpurity A |
147404-76-0 |
C25H23N3O4 |
 |
RebaMipide iMpurity 1 |
100342-53-8 |
C18H15ClN2O2 |
 |
9β,10α-Pregna-4,6,8(14)-triene-3,20-dione |
23035-53-2 |
C21H26O2 |
 |
(4S)-2-(((R)-2-Amino-2-(4-hydroxyphenyl)acetamido)(carboxy)-methyl)-5,5-dimethylthiazolidine-4 |
42947-63-7 |
C16H21N3O6S |
 |
AMpicillin EP IMpurity C |
49841-96-5 |
C16H19N3O4S |
 |
Anhydrosafflor yellow B |
184840-84-4 |
C48H52O26 |
 |
Albuterol diMer |
147663-30-7 |
C26H40N2O5 |
 |
Cilastatin EP Impurity A |
|
|
 |
Pantoprazole EP IMpurity E |
2115779-15-0 |
C32H28F4N6O8S2 |
 |
RebaMipide 3-Chloro IMpurity |
90098-05-8 |
C19H15ClN2O4 |
![Toluene-4-sulfonic acid 5-(2,4-difluoro-phenyl)-5-[1,2,4]triazol-1-ylMethyl-tetrahydro-furan-3-ylMethyl](/CAS/20180808/GIF/159811-30-0.gif) |
Toluene-4-sulfonic acid 5-(2,4-difluoro-phenyl)-5-[1,2,4]triazol-1-ylMethyl-tetrahydro-furan-3-ylMethyl |
159811-30-0 |
C21H21F2N3O4S |
 |
Methotrexate γ-Methyl Ester |
67022-39-3 |
C21H24N8O5 |
 |
Apixaban IMpurity 2 |
1801881-16-2 |
C25H25N5O4 |
![7-Chlorobenzo[b]thiophene-3-Methanol](/CAS/20150408/GIF/142181-53-1.gif) |
7-Chlorobenzo[b]thiophene-3-Methanol |
142181-53-1 |
C9H7ClOS |
 |
N-Methyl-5-methylamino-1H-imidazole-4-carboxamide |
6736-40-9 |
C6H10N4O |
 |
Salbutamol EP Impurity D |
|
C13H21NO3 |
 |
DL-β-O-Methylnorepinephrine Hydrochloride |
3770-01-2 |
C9H14ClNO3 |
methyl}-5,5-dimethylthiazolidine-4-carboxylic acid, monosodium salt)](/CAS/GIF/68728-47-2.gif) |
Amoxicillin Related Compound D (50 mg) ((4S)-2-{[(R)-2-amino-2-(4-hydroxyphenyl)acetamido](carboxy)methyl}-5,5-dimethylthiazolidine-4-carboxylic acid, monosodium salt) |
68728-47-2 |
C16H20N3NaO6S |
 |
Anisamide, 3-ethoxy- |
247569-89-7 |
C10H13NO3 |
 |
Metaraminol Bitartrate Impurity 3 |
21480-43-3 |
C9H13NO2 |
 |
Lenalidomide Impurity 11 |
48103-74-8 |
C5H7NO3 |
 |
Ampicillin oxidation impurities |
|
|
 |
Rufinamide 2,6-Didesfluoro Impurity |
80819-65-4 |
C10H10N4O |
 |
Icariside I |
56725-99-6 |
C27H30O11 |
![Cefixime impurity 13/Cefixime TBE impurity A/Cefixime tert-Butyl Ester/(6R,7R)-7-((Z)-2-(2-aminothiazol-4-yl)-2-((2-(tert-butoxy)-2-oxoethoxy)imino)acetamido)-8-oxo-3-vinyl-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid](/CAS/20210111/GIF/79368-92-6.gif) |
Cefixime impurity 13/Cefixime TBE impurity A/Cefixime tert-Butyl Ester/(6R,7R)-7-((Z)-2-(2-aminothiazol-4-yl)-2-((2-(tert-butoxy)-2-oxoethoxy)imino)acetamido)-8-oxo-3-vinyl-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid |
79368-92-6 |
C20H23N5O7S2 |
![Carbamic acid, N-[3-fluoro-4-(4-morpholinyl)phenyl]-, 1,1-dimethylethyl ester](/CAS/20200611/GIF/952680-48-7.gif) |
Carbamic acid, N-[3-fluoro-4-(4-morpholinyl)phenyl]-, 1,1-dimethylethyl ester |
952680-48-7 |
C15H21FN2O3 |
 |
Erlotinib Impurity 48 |
2304005-44-3 |
C8H8BrN |
 |
Amlodipine Diethyl Ester |
140171-65-9 |
C21H27ClN2O5 |
 |
Febuxostat Impurity 32 HCl |
1267681-15-1 |
C12H11NO3S |
 |
Dapagliflozin Impurity 9 |
2305949-36-2 |
C15H14ClIO |
 |
Milrinone Impurity A |
|
|
 |
FaMotidine Acid IMpurity |
107880-74-0 |
C8H12N4O2S2 |
 |
Buspirone EP Impurity C |
257877-45-5 |
C20H30N8 |
 |
N-(3,4-diMethoxyphenethyl)-4-(4-Methoxyphenyl)butan-2-aMine |
61413-44-3 |
C21H29NO3 |
 |
2-(tert-butylamino)-1-(4-hydroxy-3-methylphenyl)ethan-1-one |
60853-66-9 |
C13H19NO2 |
 |
Dehydro Simvastatin |
210980-68-0 |
C25H36O4 |
 |
Cilastatin Impurity C |
|
|
 |
BUTYL ANALOG OF TAXOL, n-(RG) |
173101-55-8 |
C45H55NO14 |
 |
Solifenacin IMpurity |
1956436-64-8 |
C23H26N2O3 |
 |
Dehydroxy Bisoprolol |
1217245-60-7 |
C18H29NO3 |
 |
Brivaracetam Impurity B |
943986-67-2 |
C11H19NO3 |
 |
Isavuconazole Impurity |
21661-87-0 |
C9H5Br2NO |
 |
Ipratropium Bromide EP Impurity F Bromide |
60018-35-1 |
C20H28BrNO2 |
 |
2-Pentyn-1-ol |
6261-22-9 |
C5H8O |
 |
Dexmedetomidine-004 |
2240179-62-6 |
C13H16N2 |
 |
Famotidine EP Impurity H |
106649-96-1 |
C6H10N6S2 |
 |
Flurbiprofen Impurity 6 |
124635-86-5 |
C18H19FO4 |
 |
Fludarabine Phosphate EP Impurity C |
548774-53-4 |
C10H14FN5O10P2 |
 |
Pramipexole Impurity Z |
|
|
![(3aR,4S,7R,7aS)-2-(((1S,2S)-2-((4-(benzo[d]isothiazol-3-yl)piperazin-1-yl)methyl)cyclohexyl)methyl)hexahydro-1H-4,7-methanoisoindole-1,3(2H)-dione](/CAS/20180703/GIF/CB93954895.gif) |
(3aR,4S,7R,7aS)-2-(((1S,2S)-2-((4-(benzo[d]isothiazol-3-yl)piperazin-1-yl)methyl)cyclohexyl)methyl)hexahydro-1H-4,7-methanoisoindole-1,3(2H)-dione |
1448443-35-3 |
C28H36N4O2S |
 |
3-Quinolinecarboxylic acid, 7-aMino-1-cyclopropyl-6-fluoro-1,4-dihydro-8-Methoxy-4-oxo- |
172426-88-9 |
C14H13FN2O4 |
 |
Sitagliptin EP Impurity C |
945261-48-3 |
C16H16F5N5O |
 |
Clotrimazole EP Impurity G |
289887-34-9 |
C23H19ClN2 |
 |
Posaconazole Succinyl Ester |
1488301-79-6 |
C41H46F2N8O7 |
 |
DEXTROMETHORPHAN IMPURITY A |
58496-77-8 |
C17H24BrNO |
 |
LUCIDIN |
478-08-0 |
C15H10O5 |
 |
Posacozole Related Compound 2 |
165115-70-8 |
C11H10F2O2 |
 |
Pitavastatin Impurity 10 |
|
|
 |
Mono-POC Isopropyl Tenofovir |
1422284-15-8 |
C21H32N5O11P |
 |
Mometasone Furoate EP Impurity S |
2231764-75-1 |
C27H30Cl2O6 |
 |
7(4H)-Benzothiazolone, 2-amino-5,6-dihydro-6-(propylamino)-, (6S)- |
2204518-89-6 |
C10H15N3OS |
 |
Fluvoxamine EP Impurity B Maleate |
89035-92-7 |
C15H21F3N2O2 |
 |
1-(3-Ethoxy-4-methoxyphenyl)-2-(methylsulfonyl)ethanol |
2055542-18-0 |
C12H18O5S |
 |
Posaconazole Impurity 36 |
2243786-02-7 |
C30H35N5O3 |
 |
Cilastatin Impurity A |
|
|
 |
Parecoxib Impurity 4 |
57736-10-4 |
C14H13NO |
![(R)-(4-(5-chlorobenzo[d]oxazol-2-yl)-7-Methyl-1,4-diazepan-1-yl)(5-Methyl-2-(2H-1,2,3-triazol-2-yl)phenyl)Methanone](/CAS/GIF/1030377-80-0.gif) |
(R)-(4-(5-chlorobenzo[d]oxazol-2-yl)-7-Methyl-1,4-diazepan-1-yl)(5-Methyl-2-(2H-1,2,3-triazol-2-yl)phenyl)Methanone |
1030377-80-0 |
C23H23ClN6O2 |
 |
Paroxetine Impurity 10(Paroxetine HCl Hemihydrate EP Impurity E) |
|
|
 |
edaravone iMpurity A |
|
|
 |
Dabigatran Etexilate iMpurity H |
1702936-92-2 |
C19H20N4O3 |