Structure |
Chemical Name |
CAS |
MF |
![Acetamide, N-(4-hydroxyphenyl)-N-nitroso-](/CAS/20210305/GIF/146897-60-1.gif) |
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](/) |
Iohexol ImpuritiesE |
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|
![TERT-BUTYL (R)-6-CHLORO-5-HYDROXY-3-OXOHEXANOATE](/CAS/GIF/404958-08-3.gif) |
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](/) |
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 |
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|
![8-chloro-11-(1-((5-methylpyridin-3-yl)methyl)piperidin-4-yl)-11H-benzo[5,6]cyclohepta[1,2-b]pyridine](/) |
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](/) |
Bumetanide Photodegradable Impurity 16 |
|
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![Bisoprolol Impurity 47](/) |
Bisoprolol Impurity 47 |
|
|
![Gadobutrol Impurity 11(Ammonium salt)](/) |
Gadobutrol Impurity 11(Ammonium salt) |
|
|
![Flomoxef Impurity F](/) |
Flomoxef Impurity F |
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![Tegoprazan Impurity 15](/) |
Tegoprazan Impurity 15 |
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![Nirmatrelvir Impurity 8](/) |
Nirmatrelvir Impurity 8 |
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![Nirmatrelvir Impurity 2](/) |
Nirmatrelvir Impurity 2 |
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![(5-(2-fluorophenyl)-1H-pyrrol-3-yl)methanamine hydrochloride](/) |
(5-(2-fluorophenyl)-1H-pyrrol-3-yl)methanamine hydrochloride |
|
|
![Rocuronium Bromide Impurity 24 、25](/) |
Rocuronium Bromide Impurity 24 、25 |
|
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![Roxadustat Impurity 17](/) |
Roxadustat Impurity 17 |
|
|
![Perospirone Impurity 20](/) |
Perospirone Impurity 20 |
1002359-81-0 |
|
![Dolutegravir Impurity 19](/) |
Dolutegravir Impurity 19 |
|
|
![Cephalexin Impurity I](/) |
Cephalexin Impurity I |
|
|
![Fondaparinux sodium impurity 6](/) |
Fondaparinux sodium impurity 6 |
|
|
![Fondaparinux sodium impurity 2](/) |
Fondaparinux sodium impurity 2 |
|
|
![Oxacillin sodium Impurity I](/) |
Oxacillin sodium Impurity I |
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![Mixture of Cefoxitin Impurity E&F](/) |
Mixture of Cefoxitin Impurity E&F |
|
|
![Revefenacin Impurity 22](/) |
Revefenacin Impurity 22 |
|
|
![Lasmiditan Impurity 7](/) |
Lasmiditan Impurity 7 |
|
|
![Febuxostat impurity BAC](/) |
Febuxostat impurity BAC |
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|
![4-(3,4-DICHLOROPHENYL)-1,2,3,4-TETRAHYDRO-1-NAPHTHALENOL](/StructureFile/ChemBookStructure6/GIF/CB9110838.gif) |
4-(3,4-DICHLOROPHENYL)-1,2,3,4-TETRAHYDRO-1-NAPHTHALENOL |
866018-46-4 |
C16H14Cl2O |
![Lasmiditan Impurity 9](/) |
Lasmiditan Impurity 9 |
|
|
![Letermovir Impurity 2](/) |
Letermovir Impurity 2 |
|
|
![1H-Imidazole-2-carboxylic acid](/CAS/GIF/16042-25-4.gif) |
1H-Imidazole-2-carboxylic acid |
16042-25-4 |
C4H4N2O2 |
![Olodaterol Impurity 19](/) |
Olodaterol Impurity 19 |
|
|
![Ethacridine Impurity 12](/) |
Ethacridine Impurity 12 |
|
|
![(-)-Nebivolol](/CAS/GIF/118457-16-2.gif) |
(-)-Nebivolol |
118457-16-2 |
C22H25F2NO4 |
![5-Hydroxymethyl Flucloxacillin](/CAS/GIF/75524-31-1.gif) |
5-Hydroxymethyl Flucloxacillin |
75524-31-1 |
C19H17ClFN3O6S |
![6-Hydroxy-5-methoxy-1-indanone](/CAS/GIF/90843-62-2.gif) |
6-Hydroxy-5-methoxy-1-indanone |
90843-62-2 |
C10H10O3 |
![N-Desmethylvinblastine](/CAS/GIF/18172-50-4.gif) |
N-Desmethylvinblastine |
18172-50-4 |
C45H56N4O9 |
![Rabeprazole Sulfone](/CAS/GIF/117976-47-3.gif) |
Rabeprazole Sulfone |
117976-47-3 |
C18H21N3O4S |
![6-BROMO-3 H-ISOBENZOFURAN-1-ONE](/CAS/GIF/19477-73-7.gif) |
6-BROMO-3 H-ISOBENZOFURAN-1-ONE |
19477-73-7 |
C8H5BrO2 |
![TOPOTECANACETATE](/CAS/GIF/123948-88-9.gif) |
TOPOTECANACETATE |
123948-88-9 |
C25H27N3O7 |
![dimethyl 2,6-dimethyl-4-(4-nitrophenyl)-1,4-dihydropyridine-3,5-dicarb oxylate](/CAS/GIF/21829-09-4.gif) |
dimethyl 2,6-dimethyl-4-(4-nitrophenyl)-1,4-dihydropyridine-3,5-dicarb oxylate |
21829-09-4 |
C17H18N2O6 |
![Metronidazole IMpurity (1-Methyl-4-Nitro-1H-IMidazole)](/CAS/20210111/GIF/143508-97-8.gif) |
Metronidazole IMpurity (1-Methyl-4-Nitro-1H-IMidazole) |
143508-97-8 |
C2H3NO |
![(S)-Phenylephrine hydrochloride](/CAS/GIF/939-38-8.gif) |
(S)-Phenylephrine hydrochloride |
939-38-8 |
C9H14ClNO2 |
![L-erythro-3-(3,4-Dihydroxyphenyl)serine](/CAS/20210111/GIF/34047-62-6.gif) |
L-erythro-3-(3,4-Dihydroxyphenyl)serine |
34047-62-6 |
C9H11NO5 |
![ethylmethylglycinexylidide](/CAS/GIF/74634-66-5.gif) |
ethylmethylglycinexylidide |
74634-66-5 |
C13H20N2O |
![riboflavin 3',5'-bisphosphate](/CAS/20200611/GIF/86108-26-1.gif) |
riboflavin 3',5'-bisphosphate |
86108-26-1 |
C17H22N4O12P2 |
![6 beta-hydroxycortisol](/CAS/GIF/53-35-0.gif) |
6 beta-hydroxycortisol |
53-35-0 |
C21H30O6 |
![16-hydroxyclarithromycin](/CAS/20240320/GIF/124412-58-4.gif) |
16-hydroxyclarithromycin |
124412-58-4 |
C38H69NO14 |
![1-(4-Isobutylphenyl)ethanol](/CAS/GIF/40150-92-3.gif) |
1-(4-Isobutylphenyl)ethanol |
40150-92-3 |
C12H18O |
![TRIMETHYL(3-HYDROXYPHENYL)AMMONIUMIODIDE](/CAS/GIF/2498-27-3.gif) |
TRIMETHYL(3-HYDROXYPHENYL)AMMONIUMIODIDE |
2498-27-3 |
C9H14INO |
![methyl (2R)-2-amino-3-(1H-indol-3-yl)propanoate](/CAS/GIF/22032-65-1.gif) |
methyl (2R)-2-amino-3-(1H-indol-3-yl)propanoate |
22032-65-1 |
C12H14N2O2 |
![(5-BENZYLIDENE-4-OXO-2-THIOXO-THIAZOLIDIN-3-YL)-ACETIC ACID](/CAS/GIF/82159-06-6.gif) |
(5-BENZYLIDENE-4-OXO-2-THIOXO-THIAZOLIDIN-3-YL)-ACETIC ACID |
82159-06-6 |
C12H9NO3S2 |
![1-Ethinyl-3-nitrobenzol](/CAS/GIF/3034-94-4.gif) |
1-Ethinyl-3-nitrobenzol |
3034-94-4 |
C8H5NO2 |
![3-(4-Methylimidazol-1-yl)-5-trifluoromethylbenzoic acid](/CAS/GIF/641571-13-3.gif) |
3-(4-Methylimidazol-1-yl)-5-trifluoromethylbenzoic acid |
641571-13-3 |
C12H9F3N2O2 |
![3-Morpholinopropyl bromide](/CAS/GIF/125422-83-5.gif) |
3-Morpholinopropyl bromide |
125422-83-5 |
C7H14BrNO |
![(6R-trans)-3-Methyl-8-oxo-7-(phenylacetamido)-5-thia-1-azabicyclo[4.2.0]oct-2-en-2-carbonsure](/CAS/GIF/27255-72-7.gif) |
(6R-trans)-3-Methyl-8-oxo-7-(phenylacetamido)-5-thia-1-azabicyclo[4.2.0]oct-2-en-2-carbonsure |
27255-72-7 |
C16H16N2O4S |
![O-PROPIONYLBENZOIC ACID](/CAS/GIF/2360-45-4.gif) |
O-PROPIONYLBENZOIC ACID |
2360-45-4 |
C10H10O3 |
![3-METHOXY-L-TYROSINE](/CAS/GIF/300-48-1.gif) |
3-METHOXY-L-TYROSINE |
300-48-1 |
C10H13NO4 |
![Triacetyl Aloe-emodin (Impurity A)](/CAS/GIF/25395-11-3.gif) |
Triacetyl Aloe-emodin (Impurity A) |
25395-11-3 |
C21H16O8 |
![2,4'-Diamino[sulfonylbisbenzene]](/CAS/GIF/27147-69-9.gif) |
2,4'-Diamino[sulfonylbisbenzene] |
27147-69-9 |
C12H12N2O2S |
![[(p-Tolyloxy)methyl]oxiran](/CAS/GIF/2186-24-5.gif) |
[(p-Tolyloxy)methyl]oxiran |
2186-24-5 |
C10H12O2 |
![3-Hydroxyazobenzene](/CAS/GIF/2437-11-8.gif) |
3-Hydroxyazobenzene |
2437-11-8 |
|
![7-CHLORO-1-ETHYL-6-FLUORO-4-OXO-1,4-DIHYDRO-[1,8]NAPHTHYRIDINE-3-CARBOXYLIC ACID](/CAS/GIF/79286-73-0.gif) |
7-CHLORO-1-ETHYL-6-FLUORO-4-OXO-1,4-DIHYDRO-[1,8]NAPHTHYRIDINE-3-CARBOXYLIC ACID |
79286-73-0 |
C11H8ClFN2O3 |
![HYDRIDE-L](/CAS/GIF/41639-74-1.gif) |
HYDRIDE-L |
41639-74-1 |
C18H22O4 |
![2-Amino-4-trifluoromethoxybenzothiazole](/CAS2/GIF/235101-36-7.gif) |
2-Amino-4-trifluoromethoxybenzothiazole |
235101-36-7 |
C8H5F3N2OS |
![7-[(4S)-4-Amino-6-azaspiro[2.4]heptan-6-yl]-8-chloro-6-fluoro-1-[(1R,2S)-2-fluorocyclopropyl]-4-oxoquinoline-3-carboxylic acid](/CAS2/GIF/127254-10-8.gif) |
7-[(4S)-4-Amino-6-azaspiro[2.4]heptan-6-yl]-8-chloro-6-fluoro-1-[(1R,2S)-2-fluorocyclopropyl]-4-oxoquinoline-3-carboxylic acid |
127254-10-8 |
C19H18ClF2N3O3 |
![Sitagliptin Carbamoyl -D-Glucuronide](/CAS/GIF/940002-59-5.gif) |
Sitagliptin Carbamoyl -D-Glucuronide |
940002-59-5 |
C23H23F6N5O9 |
![5-Hydroxy Desloratadine](/CAS/GIF/117811-12-8.gif) |
5-Hydroxy Desloratadine |
117811-12-8 |
C19H19ClN2O |
![O-Benzyl Posaconazole](/CAS/GIF/170985-86-1.gif) |
O-Benzyl Posaconazole |
170985-86-1 |
C44H48F2N8O4 |
![(4-Carboxy-3-ethoxy)phenyl Acetic Acid (Repaglinide Impurity)](/CAS2/GIF/220438-80-2.gif) |
(4-Carboxy-3-ethoxy)phenyl Acetic Acid (Repaglinide Impurity) |
220438-80-2 |
C11H12O5 |
![2-Chloromethyl-3,5-dimethylpyridin-4-ol](/CAS2/GIF/220771-03-9.gif) |
2-Chloromethyl-3,5-dimethylpyridin-4-ol |
220771-03-9 |
C8H10ClNO |
![2-Methyl-6-[(4-methylphenyl)sulfonyl]-1,4,5,6-tetrahydroimidazo[4,5-d][1]benzazepine](/CAS2/GIF/717917-14-1.gif) |
2-Methyl-6-[(4-methylphenyl)sulfonyl]-1,4,5,6-tetrahydroimidazo[4,5-d][1]benzazepine |
717917-14-1 |
C19H19N3O2S |
![(1R-4S)-4-[[(1,1-dimethylethoxy)carbonyl]amino]- 2-Cyclopentene-1-carboxylic acid methyl ester](/CAS2/GIF/251326-99-5.gif) |
(1R-4S)-4-[[(1,1-dimethylethoxy)carbonyl]amino]- 2-Cyclopentene-1-carboxylic acid methyl ester |
251326-99-5 |
C12H19NO4 |
![O-Isobutyryl (R)-Fesoterodine](/CAS/GIF/1208313-13-6.gif) |
O-Isobutyryl (R)-Fesoterodine |
1208313-13-6 |
C30H43NO4 |
![Isopropyl Itraconazole](/CAS/GIF/89848-49-7.gif) |
Isopropyl Itraconazole |
89848-49-7 |
C34H36Cl2N8O4 |
![(R)-(-)-Ibuprofen-d3](/CAS/20140608/GIF/CB92510748.gif) |
(R)-(-)-Ibuprofen-d3 |
121702-86-1 |
C13H18O2 |
![(S,R,S,S)-Orlistat](/CAS/GIF/111466-63-8.gif) |
(S,R,S,S)-Orlistat |
111466-63-8 |
C29H53NO5 |
![N-Trityl Candesartan Ethyl Ester](/CAS/GIF/856414-35-2.gif) |
N-Trityl Candesartan Ethyl Ester |
856414-35-2 |
C45H38N6O3 |
![Regorafenib Impurity 11](/CAS/20211123/GIF/2512204-88-3.gif) |
Regorafenib Impurity 11 |
2512204-88-3 |
C19H18ClFN4O3 |
![Topiroxostat Impurity 2](/CAS/20180808/GIF/445218-61-1.gif) |
Topiroxostat Impurity 2 |
445218-61-1 |
C12H11N5O |
![Fluvastatin Impurity 1](/CAS/20200401/GIF/CB93129576.gif) |
Fluvastatin Impurity 1 |
|
C24H26FNO4 |
![Lornoxicam Impurity 7](/) |
Lornoxicam Impurity 7 |
|
|
![Prednisolone Impurity A](/CAS/20200401/GIF/CB93130026.gif) |
Prednisolone Impurity A |
|
C21H28O5 |
![Tofacitinib Impurity 6](/CAS/20211123/GIF/1640972-35-5.gif) |
Tofacitinib Impurity 6 |
1640972-35-5 |
C16H22N6O |
![1-(4-Ethylphenyl)-2-methyl-2-propen-1-one](/CAS/20180703/GIF/70639-76-8.gif) |
1-(4-Ethylphenyl)-2-methyl-2-propen-1-one |
70639-76-8 |
C12H14O |
![Ceftriaxone Sodium impurity](/) |
Ceftriaxone Sodium impurity |
|
|
![Ivabradine Impurity 5](/CAS/20200515/GIF/1462470-54-7.gif) |
Ivabradine Impurity 5 |
1462470-54-7 |
C27H38N2O6 |
![(S)-3-((R)-5-(4-fluorophenyl)-5-hydroxy-2-((E)-4-hydroxybenzylidene)pentanoyl)-4-phenyloxazolidin-2-one](/CAS/20180703/GIF/CB93152233.gif) |
(S)-3-((R)-5-(4-fluorophenyl)-5-hydroxy-2-((E)-4-hydroxybenzylidene)pentanoyl)-4-phenyloxazolidin-2-one |
|
C27H24FNO5 |
![Chlorpromazine EP impurity B](/CAS/20180808/GIF/19077-20-4.gif) |
Chlorpromazine EP impurity B |
19077-20-4 |
C21H28ClN3S |
![Belinostat Z-isomer](/CAS/20210111/GIF/1884227-58-0.gif) |
Belinostat Z-isomer |
1884227-58-0 |
C15H14N2O4S |
![Canagliflozin Impurity 13](/) |
Canagliflozin Impurity 13 |
|
|
![Carfilzomib Impurity 1](/) |
Carfilzomib Impurity 1 |
|
|
![Dapagliflozin Impurity 14](/CAS/20210111/GIF/2271248-78-1.gif) |
Dapagliflozin Impurity 14 |
2271248-78-1 |
C21H25ClO6 |
![Ibrutinib Impurity 13](/) |
Ibrutinib Impurity 13 |
|
|
![Linagliptin Impurity 26](/CAS/20210305/GIF/2446799-71-7.gif) |
Linagliptin Impurity 26 |
2446799-71-7 |
C20H17BrN6O2 |
![Nintedanib Impurity 13 (Intedanib Impurity 13)](/) |
Nintedanib Impurity 13 (Intedanib Impurity 13) |
|
|
![vildagliptin Impurity E](/CAS/20200611/GIF/1789703-37-2.gif) |
vildagliptin Impurity E |
1789703-37-2 |
C17H25N3O2 |
![Sitagliptin Impurity 1](/CAS/20180906/GIF/823817-55-6.gif) |
Sitagliptin Impurity 1 |
823817-55-6 |
C16H15F6N5O |
![Niraparib metabolite M1](/CAS/20180808/GIF/1476777-06-6.gif) |
Niraparib metabolite M1 |
1476777-06-6 |
C19H19N3O2 |
![Amlodipine Impurity 16](/CAS/20180703/GIF/CB93159166.gif) |
Amlodipine Impurity 16 |
|
C26H31ClN2O8S |
![Edoxaban Impurity 11 (1R,2R,4S)](/CAS/20200611/GIF/480451-98-7.gif) |
Edoxaban Impurity 11 (1R,2R,4S) |
480451-98-7 |
C21H30ClN5O5 |