| Structure |
Chemical Name |
CAS |
MF |
 |
Amido Methyl Meloxicam (Meloxicam Impurity) |
892395-41-4 |
C15H15N3O4S2 |
 |
DESETHYLENE CIPROFLOXACIN |
103222-12-4 |
C15H16FN3O3 |
 |
2-aminobutanenitrile |
40651-89-6 |
C4H8N2 |
 |
4-Nitrofluorobenzol |
352-15-8 |
C6H4FNO |
![propyl[2,6'-bi-1H-benzimidazol]-1'-yl]methyl]-](/CAS/GIF/144702-27-2.gif) |
propyl[2,6'-bi-1H-benzimidazol]-1'-yl]methyl]- |
144702-27-2 |
C33H29N5 |
 |
4-(2-Hydroxy-3-isopropylaminopropoxy)benzoic Acid |
72570-70-8 |
C13H19NO4 |
 |
Fluvoxamino Acid |
192876-02-1 |
C14H19F3N2O2 |
 |
3,5-androstadien-17-one |
1912-63-6 |
C19H26O |
 |
3-phenylpyrazin-2-ol |
73200-73-4 |
C10H8N2O |
 |
1-(Isopropylamino)-3-(4-methylphenoxy)propane-2-ol |
5790-46-5 |
C13H21NO2 |
![5H-Dibenz[b,f]azepine-10,11-dione](/CAS/GIF/19579-83-0.gif) |
5H-Dibenz[b,f]azepine-10,11-dione |
19579-83-0 |
C14H9NO2 |
 |
Ethanesulfonic acid ethyl ester |
1912-30-7 |
C4H10O3S |
 |
DONEPEZIL HYDROCHLORIDE |
110119-84-1 |
C24H30ClNO3 |
![(6R,7R)-7-((Z)-2-(2-aMinothiazol-4-yl)-2-(hydroxyiMino)acetaMido)-8-oxo-3-vinyl-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid 5-oxide](/CAS/GIF/934986-48-8.gif) |
(6R,7R)-7-((Z)-2-(2-aMinothiazol-4-yl)-2-(hydroxyiMino)acetaMido)-8-oxo-3-vinyl-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid 5-oxide |
934986-48-8 |
C14H13N5O6S2 |
![(2S)-1-[(2S)-2-Methyl-3-Methylsulfinylpropanoyl]pyrrolidine-2-carboxylic acid](/CAS/20130318/GIF/CB32605020.gif) |
(2S)-1-[(2S)-2-Methyl-3-Methylsulfinylpropanoyl]pyrrolidine-2-carboxylic acid |
78636-31-4 |
C14H22N2O6S2 |
![Mixture of diastereoisoMers of (6S)-6-N-[3-[(6S)-2-aMino-4,5, 6,7-tetrahydro-1,3-benzothiazol-6-yl]-1-ethyl-2-Methylpropyl]- 4,5,6,7-tetrahydro-1,3-benzothiazole-2,6-diaMine](/) |
Mixture of diastereoisoMers of (6S)-6-N-[3-[(6S)-2-aMino-4,5, 6,7-tetrahydro-1,3-benzothiazol-6-yl]-1-ethyl-2-Methylpropyl]- 4,5,6,7-tetrahydro-1,3-benzothiazole-2,6-diaMine |
|
|
|
|
penilloic acids of piperacillin |
|
|
 |
2-PyrazinecarboxaMide, 6-nitro-3,4-dihydro-3-oxo- |
259793-97-0 |
C5H4N4O4 |
 |
digoxigenin-mono(digitoxoside) |
5352-63-6 |
C29H44O8 |
 |
W 36017 |
21236-54-4 |
C12H18N2O |
 |
ONO EI-601 |
155023-59-9 |
C15H14N2O6S |
![N-[(1R,3r,5S)-9-azabicyclo[3.3.1]non-3-yl]-1-Methyl-1H-indazole-3-carboxaMide hydrochloride](/CAS/GIF/141136-01-8.gif) |
N-[(1R,3r,5S)-9-azabicyclo[3.3.1]non-3-yl]-1-Methyl-1H-indazole-3-carboxaMide hydrochloride |
141136-01-8 |
C17H23ClN4O |
 |
BIRG 616 BS |
287980-84-1 |
C12H10N4O |
 |
3-AMino-4-(2-chlorophenyl)-6-nitro-2(1H)-quinolinone |
55198-89-5 |
C15H10ClN3O3 |
 |
3-Dehydroxy-3-oxo-4,5-dihydro OxazepaM |
19554-95-1 |
C15H11ClN2O2 |
 |
8-DeMethyl Ivabradine |
304464-97-9 |
C26H34N2O5 |
 |
CitalopraM DiMethylaMinobutanone |
1329745-98-3 |
C25H33FN2O2 |
 |
DesMethyl Erlotinib Carboxylate Acid |
882172-60-3 |
C21H19N3O5 |
![[[4-[(3-Methylphenyl)aMino]-3-pyridinyl]sulfonyl]carbaMic Acid Ethyl Ester](/CAS/GIF/72810-57-2.gif) |
[[4-[(3-Methylphenyl)aMino]-3-pyridinyl]sulfonyl]carbaMic Acid Ethyl Ester |
72810-57-2 |
C15H17N3O4S |
 |
12-Hydroxy Irinotecan |
185336-12-3 |
C33H38N4O7 |
 |
Losartan IsoMer IMpurity, PotassiuM Salt |
860644-28-6 |
C22H22ClKN6O |
 |
PidotiMod Diketopiperazine-6-propanoic Acid |
161771-75-1 |
C9H12N2O4S |
 |
RofluMilast N-Oxide |
292135-78-5 |
C17H14Cl2F2N2O4 |
|
|
AzithroMycin IMpurity J |
|
|
 |
EsMolol Acid SodiuM Salt |
83356-60-9 |
C15H22NNaO4 |
 |
Thyroxine Ethyl Ester |
76353-71-4 |
C17H15I4NO4 |
![(4-Chlorophenyl)[4-(1-Methylethoxy)phenyl]Methanone (Fenofibrate IMpurity)](/CAS/GIF/154356-96-4.gif) |
(4-Chlorophenyl)[4-(1-Methylethoxy)phenyl]Methanone (Fenofibrate IMpurity) |
154356-96-4 |
C16H15ClO2 |
 |
5-Acetyl Rhein |
875535-35-6 |
C17H10O7 |
![7'-Methyl-2'-propyl-1H,3'H-2,5'-bibenzo[d]iMidazole](/CAS/GIF/884330-09-0.gif) |
7'-Methyl-2'-propyl-1H,3'H-2,5'-bibenzo[d]iMidazole |
884330-09-0 |
C18H18N4 |
![5-Des[2-(tert-butylaMino)] BaMbuterol-5-ethanol](/CAS/GIF/112935-93-0.gif) |
5-Des[2-(tert-butylaMino)] BaMbuterol-5-ethanol |
112935-93-0 |
C14H20N2O5 |
 |
Deoxy Fesoterodine |
895137-81-2 |
C26H37NO2 |
![Bisacodyl Related Compound C (20 mg) (4-[(4-Hydroxyphenyl)(pyridin-2-yl)methyl]phenyl acetate)](/CAS/GIF/72901-16-7.gif) |
Bisacodyl Related Compound C (20 mg) (4-[(4-Hydroxyphenyl)(pyridin-2-yl)methyl]phenyl acetate) |
72901-16-7 |
C20H17NO3 |
 |
ClotriMazole IMpurity A |
23593-71-7 |
C22H17ClN2 |
 |
9-Nitrominocycline |
149934-16-7 |
C23H26N4O9 |
 |
N-(3,5-DiMethyladaMantan-1-yl)forMaMide |
351329-88-9 |
C13H21NO |
 |
N-(Methylsulfonyl)-4'-nitro-2'-phenoxyMethanesulfonanilide |
51765-72-1 |
C14H14N2O7S2 |
 |
Olanzapine ThioacetoxyMethylidene IMpurity
Discontinued |
1320360-87-9 |
C17H20N4O2S |
![1-NaphthaleneethanaMine, 7-Methoxy-N-[2-(7-Methoxy-1-naphthalenyl)ethyl]-](/CAS/GIF/1385018-57-4.gif) |
1-NaphthaleneethanaMine, 7-Methoxy-N-[2-(7-Methoxy-1-naphthalenyl)ethyl]- |
1385018-57-4 |
C26H27NO2 |
|
|
1-NaphthaleneethanaMine, 7-Methoxy-N-[2-(7-Methoxy-1-naphthalenyl)ethyl]- |
1385018-57-4 |
C26H27NO2 |
 |
24R-Calcipotriol |
112827-99-3 |
C27H40O3 |
|
|
Methotrexate IMpurity C |
|
|
 |
Paroxetine EP IMpurity G |
69675-10-1 |
C12H14FN |
|
|
Itraconazole impurity C |
|
|
 |
1-cyclopropyl-8-ethoxy-6,7-difluoro-4-oxo-1,4-dihydroquinoline-3-carboxylic acid |
143158-55-8 |
C15H13F2NO4 |
 |
METOPROLOL IMPURITY A |
|
C15H25NO3 |
|
|
NICERGOLINE IMPURITY A |
|
|
 |
AZITHROMYCIN IMPURITY B |
307974-61-4 |
C38H72N2O11 |
|
|
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 |
|
|
N-(7-chloro-4-((3-chloro-4-fluorophenyl)amino)quinazolin-6-yl)-4-(dimethylamino)butanamide |
|
|
|
|
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 |
|
|
 |
Pyridine, 2-(diethylboryl)- (9CI) |
385804-67-1 |
C9H14BN |
 |
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 |
|
|
|
|
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 |
|
|
Pitavastatin Impurity 104 |
|
|
|
|
Tegoprazan Impurity 8 |
|
|
 |
INDEX NAME NOT YET ASSIGNED |
2706536-33-4 |
C27H34N2O2 |
|
|
Nirmatrelvir Impurity 10 |
|
|
|
|
Capecitabine Related Compound B |
|
|
 |
D-erythro-3,4-Dihydroxyphenylserine |
51829-98-2 |
C9H11NO5 |
 |
aztreonam |
80951-91-3 |
C13H17N5O8S2 |
![5H-[1]Benzopyrano[2,3-b]pyridine,7-ethyl-(9CI)](/CAS/20200515/GIF/639857-68-4.gif) |
5H-[1]Benzopyrano[2,3-b]pyridine,7-ethyl-(9CI) |
639857-68-4 |
C14H13NO |
![[1,1-Biphenyl]-2,2,4,4,5,5-hexol(9CI)](/CAS/GIF/76625-61-1.gif) |
[1,1-Biphenyl]-2,2,4,4,5,5-hexol(9CI) |
76625-61-1 |
C12H10O6 |
 |
lamivudine sulfoxide |
160552-55-6 |
C8H11N3O4S |
 |
Vitamin B12 e-Monocarboxylic Acid |
26264-28-8 |
C63H87CoN13O15P |
 |
caffeidine |
20041-90-1 |
C7H12N4O |
|
|
metreleptin |
186018-45-1 |
|
 |
3,5-DIIODO-4'-(4-HYDROXYPHENOXY)BENZOIC ACID |
2055-97-2 |
C13H6I4O4 |
 |
Sotalol EP Impurity A |
16974-42-8 |
C12H20N2O2S |
 |
norchlorpromazine |
1225-64-5 |
C16H17ClN2S |
 |
ETHYLISOPROPYLNITROSAMINE |
16339-04-1 |
C5H12N2O |
 |
1,3,5,7-Tetrmethyl-adamantane |
1687-36-1 |
C14H24 |
![4-[1-(hydroxyamino)ethylidene]cyclohexa-2,5-dien-1-one](/CAS/GIF/34523-34-7.gif) |
4-[1-(hydroxyamino)ethylidene]cyclohexa-2,5-dien-1-one |
34523-34-7 |
C8H9NO2 |
 |
Methyl 4-(4'-fluorophenyl)-2-(cyclopropyl)-3-quinolinecarboxylate |
121659-86-7 |
C20H16FNO2 |
 |
Silodosin |
160970-64-9 |
C25H32F3N3O4 |
 |
(3S)-6,6-DIBROMO-2,2-DIMETHYLPENAM-3-CARBOXYLIC ACID 1,1-DIOXIDE |
76646-91-8 |
C8H9Br2NO5S |