| Structure |
Chemical Name |
CAS |
MF |
 |
Erythromycin impurity D |
|
|
|
|
FeBuxostat Impurity 40 |
|
|
 |
Formoterol Impurity 13 |
150513-24-9 |
C18H24N2O3 |
 |
Fosaprepitant Impurity 4 |
1523569-85-8 |
C37H34F7N4O6P |
 |
Fudosteine Impurity 2 |
1480319-53-6 |
C6H13NO5S |
|
|
Isavuconazole Impurity 10 |
|
|
|
|
Isavuconazole Impurity 18 |
3094994-77-8 |
|
|
|
Isavuconazole Impurity 6 |
|
|
 |
Lercanidipine Impurity 4 |
2727061-30-3 |
C18H23NO2 |
|
|
Nitrendipine Impurity 4 |
|
|
|
|
Olaparib Impurity 6 |
|
|
|
|
Paclitaxel EP Impurity H |
|
|
|
|
Paroxetine Impurity 10 |
|
|
|
|
Posaconazole Impurity 31 |
|
|
 |
Posaconazole Impurity 60 |
2134652-05-2 |
C14H14F2O4 |
|
|
Regorafenib impurity D |
|
|
 |
SofosBuvir impurity 21 |
1496552-50-1 |
C22H29ClN3O9P |
|
|
sofosBuvir impurity 36 |
|
|
 |
Benzoic acid, 3-(aminosulfonyl)-2,4-dichloro- |
1870323-25-3 |
C7H5Cl2NO4S |
![Benzeneacetamide, N,α,α-trimethyl-N-[6-(4-methyl-1,4-dioxido-1-piperazinyl)-4-(2-methylphenyl)-3-pyridinyl]-3,5-bis(trifluoromethyl)-](/CAS/20210305/GIF/1431216-61-3.gif) |
Benzeneacetamide, N,α,α-trimethyl-N-[6-(4-methyl-1,4-dioxido-1-piperazinyl)-4-(2-methylphenyl)-3-pyridinyl]-3,5-bis(trifluoromethyl)- |
1431216-61-3 |
C30H32F6N4O3 |
|
|
Tafluprost Impurity 15 |
|
|
|
|
Rosuvastatin Impurity 159 （Sodium salt) |
|
|
|
|
Rosuvastatin Impurity 140 |
|
|
|
|
Rosuvastatin Impurity 130 |
|
|
|
|
Terlipressin Impurity 1 (des-Gly1) |
|
|
|
|
Brivaracetam Impurity 66 |
|
|
 |
2-Acetoxymethyl1-3-Methyl-4- |
112525-75-4 |
C11H12F3NO3 |
|
|
Ertapenem Impurity D(USP) |
|
|
 |
3-(N-Benzyl-N-methylamino)propiophenone hydrochloride |
5409-62-1 |
C17H20ClNO |
![2(1H)-Isoquinolinecarboxylic acid, 3,4-dihydro-4-hydroxy-1-phenyl-, (3R)-1-azabicyclo[2.2.2]oct-3-yl ester, (1S,4S)-](/CAS/20210305/GIF/869884-24-2.gif) |
2(1H)-Isoquinolinecarboxylic acid, 3,4-dihydro-4-hydroxy-1-phenyl-, (3R)-1-azabicyclo[2.2.2]oct-3-yl ester, (1S,4S)- |
869884-24-2 |
C23H26N2O3 |
|
|
Azilsartan Medoxomil Potassium impurity209 |
|
|
|
|
Nelarabine impurity 01 |
|
|
 |
Cyclopropanamine, 2-(3-fluorophenyl)-, (1R,2S)- (9CI) |
220353-83-3 |
C9H10FN |
![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 |
|
|
|
|
Milnacipran Impurity 26 |
|
|
|
|
Olodaterol Impurity 15 |
|
|
|
|
SofosBuvir Impurity 52 |
|
|
|
|
SofosBuvir Impurity 59 |
|
|
|
|
Ticagrelor impurity 25 |
|
|
 |
Tirofiban Impurity 14 |
1103300-75-9 |
C12H17NO5S |
 |
Tirofiban Impurity 19 |
158808-75-4 |
C18H28N2O3 |
|
|
Ampicillin Impurity S |
|
|
|
|
Cefdinir Impurity F (CP) |
|
|
 |
Flucloxacillin Sodium Impurity A |
68728-50-7 |
C19H20ClFN3NaO6S |
 |
Oxacillin Sodium Impurity G(EP) |
724695-30-1 |
C19H18ClN3O5S |
|
|
Spectinomycin Impurity D |
|
|
![(4R,4aS,5aR,12aS)-9-[2-(tert-butylamino)acetamido]-4,7-bis(dimethylamino)-3,10,12,12a-tetrahydroxy-1,11-dioxo-1,4,4a,5,5a,6,11,12a-octahydrotetracene-2-carboxamide](/CAS/20180703/GIF/CB93371326.gif) |
(4R,4aS,5aR,12aS)-9-[2-(tert-butylamino)acetamido]-4,7-bis(dimethylamino)-3,10,12,12a-tetrahydroxy-1,11-dioxo-1,4,4a,5,5a,6,11,12a-octahydrotetracene-2-carboxamide |
|
C29H39N5O8 |
 |
Amifostine Impurity 3 |
41510-53-6 |
C5H15N2O3PS |
|
|
Cefradine impurity C |
|
|
 |
Cefuroxime sodium impurity H |
|
C16H16N4NaO8S |
 |
Bilastine N-Oxide |
2069238-47-5 |
C28H37N3O4 |
|
|
Cefoxitin impurity F |
|
|
 |
Tenofovir Disoproxil Fumarate impurity N |
1962114-92-6 |
C29H44N10O14P2 |
![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 |
|
|
Pitavastatin Impurity 104 |
|
|
|
|
Tegoprazan Impurity 8 |
|
|
 |
Atomoxetine EP Impurity G DiHCl (Mixture of Diastereomers) |
2706536-33-4 |
C27H34N2O2 |
|
|
Nirmatrelvir Impurity 10 |
|
|
|
|
Levosimendan Nitrosogenin Impurities |
|
|
 |
7-ブロモアセチルアミノセファロスポラン酸 |
26973-80-8 |
C12H13BrN2O6S |
|
|
Bumetanide Impurity 20 |
|
|
|
|
Rocuronium Bromide Impurity 28 、29 |
|
|
|
|
Roxadustat Impurity 22 |
|
|
|
|
Olaparib Impurity 41 |
|
|
|
|
Perospirone Impurity 22 |
|
|
 |
Perospirone Impurity 14 |
87691-94-9 |
C15H20BrN3S |
|
|
Dolutegravir Impurity 22 |
|
|
|
|
Paxlovid Impurity 20 |
|
|
|
|
Related impurities 7 of fluoxetine sodium |
|
|
|
|
Revefenacin Impurity 16 |
|
|
 |
(E)-Olopatadine |
113806-06-7 |
C21H23NO3 |
 |
ネマジピンB |
79925-38-5 |
C19H21Cl2NO4 |
![N-[(3,4-DiMethoxy-2-pyridinyl)Methyl] Pantoprazole](/CAS/GIF/957470-59-6.gif) |
N-[(3,4-DiMethoxy-2-pyridinyl)Methyl] Pantoprazole |
957470-59-6 |
C24H24F2N4O6S |
 |
4-Epi-6-epi Doxycycline |
97583-08-9 |
C22H24N2O8 |
 |
Prednisolone Impurity 7 |
61549-70-0 |
C21H26O6 |
 |
Tenofovir Related Compound 10 |
16958-60-4 |
C8H11N5O |
 |
N-(4-methyl-3-(N-(4-(pyridin-3-yl)pyrimidin-2-yl)acetamido)phenyl)-4-((4-methylpiperazin-1-yl)methyl)benzamide |
|
C31H33N7O2 |
 |
N1-benzyl-N1,4-dimethyl-N3-(4-(pyridin-3-yl)pyrimidin-2-yl)benzene-1,3-diamine |
|
C24H23N5 |
 |
(E)-4-(((5-(2-fluorophenyl)-1-(pyridin-3-ylsulfonyl)-1H-pyrrol-3- yl)methyl)(methyl)amino)-4-oxobut-2-enoic acid |
|
C21H18FN3O5S |
 |
TROXACITABINE |
145511-98-4 |
C8H11N3O4 |
 |
XXZJUZXKBFUPQH-IKGGRYGDSA-N |
1618657-31-0 |
C18H17FO4 |
 |
6-methyl-2-oxo-5-pyridin-2-yl-1H-pyridine-3-carbonitrile |
106637-42-7 |
C12H9N3O |
 |
Levofloxacin Impurity 15 |
94714-58-6 |
C14H12F4O4 |
 |
Losartan Impurity 2 |
1407521-00-9 |
C22H20ClN3O |
 |
Epoxy Exemestane (6-Alfa Isomer) |
152764-24-4 |
C20H24O3 |
![6-Cyclopropyl-10-fluoro-7,8-dihydrobenzo[k]phenanthridine](/CAS/20180601/GIF/1187966-94-4.gif) |
6-Cyclopropyl-10-fluoro-7,8-dihydrobenzo[k]phenanthridine |
1187966-94-4 |
C20H16FN |
 |
2-methoxy-1,7,9-trimethylpurine-6,8-dione |
51168-26-4 |
C9H12N4O3 |
 |
2-クロロ-N-(2,5-ジメチルフェニル)アセトアミド |
5177-35-5 |
C10H12ClNO |
 |
(+/-)-tert-Butyl 6-Chloro-5-hydroxy-3-oxohexanoate |
319924-73-7 |
C10H17ClO4 |
 |
(R)-2-(2-aminothiazol-4-yl)-N-(2-(2-((2-hydroxy-2-phenylethyl)amino)ethyl)phenyl)acetamide |
1684452-80-9 |
C21H24N4O2S |
![1,4-ジヒドロ-2,6-ジメチル-4-(3-ニトロフェニル)-3,5-ピリジンジカルボン酸3-[2-[(3,3-ジフェニルプロピル)メチルアミノ]-1,1-ジメチルエチル]5-エチル](/CAS/20180703/GIF/210579-71-8.gif) |
1,4-ジヒドロ-2,6-ジメチル-4-(3-ニトロフェニル)-3,5-ピリジンジカルボン酸3-[2-[(3,3-ジフェニルプロピル)メチルアミノ]-1,1-ジメチルエチル]5-エチル |
210579-71-8 |
C37H44ClN3O6 |
 |
2-chloro-5-(2-fluorophenyl)-1H-pyrrole-3-carbaldehyde |
2169267-53-0 |
C11H7ClFNO |
 |
4-(4-(4-(4-(((3S,5S)-5-((1H-1,2,4-triazol-1-yl)methyl)-5-(2,4-difluorophenyl)tetrahydrofuran-3-yl)methoxy)phenyl)piperazin-1-yl)phenyl)-1-((2R,3S)-2-hydroxypentan-3-yl)-1H-1,2,4-triazol-5(4H)-one |
2243785-99-9 |
C37H42F2N8O4 |
 |
5-(2-fluorophenyl)-N-methyl-1-(pyridin-3-ylsulfonyl)-1H-pyrrole-3-carboxamide |
2054536-04-6 |
C17H14FN3O3S |
|
|
Ozagrel Impurity 10 |
|
|
 |
tris((5-(2-fluorophenyl)-1H-pyrrol-3-yl)methyl)amine |
|
C33H27F3N4 |
|
|
Esmolol impurity C |
|
|
 |
(R)-(+)-(3-CHLORO-2-HYDROXYPROPYL)TRIMETHYLAMMONIUM CHLORIDE |
117604-42-9 |
C6H15Cl2NO |
 |
17-ヒドロキシ-21-(アセチルオキシ)プレグナ-4-エン-3,20-ジオン |
640-87-9 |
C23H32O5 |