| Structure |
Chemical Name |
CAS |
MF |
 |
Furosemide Impurity 24 |
|
|
|
|
Brivaracetam Impurity 34 |
|
|
 |
1H-1,2,4-Triazole-1-propanol, α-(2,4-difluorophenyl)-α-(1H-1,2,4-triazol-1-ylmethyl)- |
1222655-38-0 |
C14H14F2N6O |
![3-Pyrrolidinepropanoic acid, α-[[(1,1-dimethylethoxy)carbonyl]amino]-2-oxo-, (αS,3S)-](/CAS/20211123/GIF/741267-75-4.gif) |
3-Pyrrolidinepropanoic acid, α-[[(1,1-dimethylethoxy)carbonyl]amino]-2-oxo-, (αS,3S)- |
741267-75-4 |
C12H20N2O5 |
 |
Topiroxostat Impurity 44 |
1824131-48-7 |
C7H6N4O |
 |
Fexofenadine Impurity 12 |
1010812-98-2 |
C32H37NO4 |
 |
2,2'-(oxybis((2-chloro-5-iodophenyl)methylene))diphenol |
|
C26H18Cl2I2O3 |
 |
Gliclazide Impurity 6 |
1207714-41-7 |
C8H10N2O3S |
 |
Phenol, 4,4'-(4-pyridinylmethylene)bis- |
109810-81-3 |
C18H15NO2 |
|
|
Ropivacaine Impurity 50 |
|
|
![Glycine, N-[(4,7-dihydroxy-1-methyl-3-isoquinolinyl)carbonyl]-](/CAS/20210111/GIF/2173338-12-8.gif) |
Glycine, N-[(4,7-dihydroxy-1-methyl-3-isoquinolinyl)carbonyl]- |
2173338-12-8 |
C13H12N2O5 |
![5-Thiazolecarboxylic acid, 2-[3,5-diformyl-4-(2-methylpropoxy)phenyl]-4-methyl-, ethyl ester](/CAS/20200611/GIF/2375033-26-2.gif) |
5-Thiazolecarboxylic acid, 2-[3,5-diformyl-4-(2-methylpropoxy)phenyl]-4-methyl-, ethyl ester |
2375033-26-2 |
C19H21NO5S |
 |
Furosemide Impurity 6 |
74793-12-7 |
C12H10ClNO3 |
 |
Lumateperone Impurity 3 |
313544-76-2 |
C17H21N3O3 |
 |
Butanoic acid, L-2-aminobutanoyl-L-2-amino-, methyl ester (9CI) |
772292-30-5 |
C9H18N2O3 |
 |
Hexanoic acid, 3-(hydroxymethyl)-, (3R)- |
2096999-79-8 |
C7H14O3 |
|
|
2-(((Z)-(1-(2-aminothiazol-4-yl)-2-(((2S,3S)-1-(ethoxysulfonyl)-2-methyl-4-oxoazetidin-3-yl)amino)-2-oxoethylidene)amino)oxy)-2-methylpropanoic acid |
|
|
 |
3-Thiophenecarboxylic acid, 4-formyl-2,5-dihydro-2-(4-hydroxybutylidene)-5-methyl-, (2Z)- |
1025974-23-5 |
C11H14O4S |
![1H-Pyrrole-3-methanamine, 1-[(1,4-dihydro-3-pyridinyl)sulfonyl]-5-(2-fluorophenyl)-N-methyl-](/CAS/20200611/GIF/2416241-98-8.gif) |
1H-Pyrrole-3-methanamine, 1-[(1,4-dihydro-3-pyridinyl)sulfonyl]-5-(2-fluorophenyl)-N-methyl- |
2416241-98-8 |
C17H18FN3O2S |
|
|
impurity 44 |
|
|
|
|
3-((2-acetamido-6-oxo-1,6-dihydro-9H-purin-9-yl)methoxy)propane- 1,2-diyl diacetate |
96429-68-4 |
|
 |
L-erythro-Pentonic acid, 2-deoxy-2-fluoro-2-methyl-, γ-lactone, 3,5-dibenzoate, (2S)- |
1946820-91-2 |
C20H17FO6 |
![5,5'-Bi-1H-benzimidazole, 6,6'-bis(difluoromethoxy)-2,2'-bis[[(3,4-dimethoxy-2-pyridinyl)methyl]thio]-](/CAS/20200611/GIF/2251784-93-5.gif) |
5,5'-Bi-1H-benzimidazole, 6,6'-bis(difluoromethoxy)-2,2'-bis[[(3,4-dimethoxy-2-pyridinyl)methyl]thio]- |
2251784-93-5 |
C32H28F4N6O6S2 |
![1,4,7,10-Tetraazacyclododecane-1,7-diacetic acid, 4,10-bis[2,3-dihydroxy-1-(hydroxymethyl)propyl]-](/CAS/20200611/GIF/2514736-58-2.gif) |
1,4,7,10-Tetraazacyclododecane-1,7-diacetic acid, 4,10-bis[2,3-dihydroxy-1-(hydroxymethyl)propyl]- |
2514736-58-2 |
C20H40N4O10 |
 |
Valsartan Methyl Ester N2-Trityl Analog |
883223-10-7 |
C44H45N5O3 |
|
|
Ampicillin Impurity G |
|
|
|
|
N-(5-((diphenylphosphoryl)methyl)-4-(3-fluorophenyl)-6-isopropylpyrimidin-2-yl)-N-methylmethanesulfonamide |
|
|
|
|
Budesonide Impurity 28 |
|
|
![Ethanol, 2-[2-(2-methyl-4-nitro-1H-imidazol-1-yl)ethoxy]-](/CAS/20210111/GIF/19765-12-9.gif) |
Ethanol, 2-[2-(2-methyl-4-nitro-1H-imidazol-1-yl)ethoxy]- |
19765-12-9 |
C8H13N3O4 |
 |
Empagliflozin ortho isomer |
2452301-30-1 |
C23H27ClO7 |
|
|
(5R,6S)-6-((R)-1-hydroxyethyl)-7-oxo-3-((S)-tetrahydrofuran-2-yl)-4-thia-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylic acid 4,4-dioxide |
|
|
 |
(3S,5R,6E) Rosuvastatin Calcium Salt (2:1) |
2414245-11-5 |
C22H30CaFN3O6S |
 |
Englejing impurity 17 |
2452301-42-5 |
C23H27ClO7 |
 |
2'-アミノ-2-フルオロベンゾフェノン |
1581-13-1 |
C13H10FNO |
 |
2-アミノ-4-メチル-6-(3-ピリジル)ピリミジン |
90916-52-2 |
C10H10N4 |
 |
(3R,5S)-フルバスタチンTERT-ブチルエステル |
194934-96-8 |
C28H34FNO4 |
|
|
Brivaracetam Impurity 55 |
|
|
![α-(4-クロロフェニル)-α-[2-(ジメチルアミノ)エチル]-2-ピリジンアセトニトリル](/CAS/GIF/65676-21-3.gif) |
α-(4-クロロフェニル)-α-[2-(ジメチルアミノ)エチル]-2-ピリジンアセトニトリル |
65676-21-3 |
C17H18ClN3 |
|
|
Baloxavir Impurity ABCDEFGHJKL |
|
|
![1H-Pyrrole-3-methanamine, 5-(2-fluorophenyl)-N-[[5-(2-fluorophenyl)-1H-pyrrol-3-yl]methyl]-](/CAS/20211123/GIF/2514724-36-6.gif) |
1H-Pyrrole-3-methanamine, 5-(2-fluorophenyl)-N-[[5-(2-fluorophenyl)-1H-pyrrol-3-yl]methyl]- |
2514724-36-6 |
C22H19F2N3 |
 |
スコポリン |
487-27-4 |
C8H13NO2 |
![N-[1-(1-ベンジル-2-フェニルエチル)-4-ピペリジニル]-N-フェニルプロパンアミド](/CAS/GIF/1474-02-8.gif) |
N-[1-(1-ベンジル-2-フェニルエチル)-4-ピペリジニル]-N-フェニルプロパンアミド |
1474-02-8 |
C21H26N2O |
|
|
Oseltamivir Impurity 106 |
|
|
|
|
Oseltamivir Impurity 85 |
|
|
|
|
Oseltamivir Impurity 75 |
|
|
![1,1'-ビ[シクロヘキサン]-1-カルボン酸](/CAS/GIF/60263-54-9.gif) |
1,1'-ビ[シクロヘキサン]-1-カルボン酸 |
60263-54-9 |
C13H22O2 |
 |
3-ヒドロキシ-2,4-ジメトキシベンズアルデヒド |
32246-34-7 |
C9H10O4 |
 |
3-(アミノスルホニル)-5-(ブチルアミノ)-4-フェノキシ安息香酸ブチル |
32643-00-8 |
C21H28N2O5S |
 |
11β,16α,17α,21-テトラヒドロキシプレグナ-4-エン-3,20-ジオン |
1171-81-9 |
C21H30O6 |
![2-アミノ-N-[(1α,4β)-4-ヒドロキシシクロヘキシル]ベンズアミド](/CAS/GIF/15942-11-7.gif) |
2-アミノ-N-[(1α,4β)-4-ヒドロキシシクロヘキシル]ベンズアミド |
15942-11-7 |
C13H18N2O2 |
 |
4-O-(カルボキシメチル)リファマイシン |
13929-35-6 |
C39H49NO14 |
 |
ethyl 3,5-bis(benzyloxy)benzoate |
50841-46-8 |
C23H22O4 |
 |
(R)-4α-チアゾリジンカルボン酸エチル |
60664-15-5 |
C6H11NO2S |
![3-((3R,4R)-3-(7H-[4,7'-bipyrrolo[2,3-d]pyrimidin]-4'-yl(methyl) amino)-4-methylpiperidin-1-yl)-3-oxopropanenitrile](/CAS/20211123/GIF/2504210-48-2.gif) |
3-((3R,4R)-3-(7H-[4,7'-bipyrrolo[2,3-d]pyrimidin]-4'-yl(methyl) amino)-4-methylpiperidin-1-yl)-3-oxopropanenitrile |
2504210-48-2 |
C22H23N9O |
|
|
Faropenem Impurity D |
|
|
 |
6β-ブロモペニシラン酸 |
24138-28-1 |
C8H10BrNO3S |
 |
(R)-4-チアゾリジンカルボン酸メチル |
42258-90-2 |
C5H9NO2S |
|
|
(1S,2S,3R,4R)-2-((R)-1-acetamido-2-ethylbutyl)-4-guanidino-3-hydroxycyclopentane-1-carboxylic acid |
|
|
 |
Desloratadine EP impurity A hcl |
2250242-44-3 |
C19H21Cl2FN2 |
|
|
(R)-6-(2-((1S,2S)-2,6-dimethyl-1,2,3,4-tetrahydronaphthalen-1-yl) ethyl)-5,6-dihydro-2H-pyran-2-one and (R)-6-(2-((R)-2,6-dimethyl- 5,6,7,8-tetrahydronaphthalen-1-yl)ethyl)-5,6-dihydro-2H-pyran-2-one |
|
|
 |
(3S,4S)-Tofacitinib |
1092578-47-6 |
C16H20N6O |
|
|
Rosuvastatin Impurity 145 |
|
|
|
|
Peramivir Intermediate impurity 1 |
|
|
|
|
Rosuvastatin EP Impurity G |
|
|
|
|
Peramivir Intermediate Impurity 43 |
|
|
|
|
Peramivir Deacetylated Impurity |
|
|
|
|
Linagliptin Impurity 49 |
|
|
|
|
Loxoprofen Sodium Impurity 35 |
|
|
|
|
Dashatinib impurity 46 |
|
|
 |
（R，S）Nアセチル3，4ジメトキシフェニルアラニン |
27313-65-1 |
C13H17NO5 |
|
|
Oxytocin oxide impurity reference substance |
|
|
|
|
Troxipide Impurity 7 |
|
|
|
|
Bendamustine Impurity 37A |
|
|
|
|
Brivaracetam Impurity 50 |
|
|
|
|
6-Hydroxymoxifloxacin Impurities |
|
|
|
|
(S)-4-(((R)-1-carboxy-2-((3-hydroxypropyl)thio)ethyl)amino)-3-hydroxy-4-oxobutanoic acid |
|
|
 |
(S)-dimethyl 2-(4-(((2,4-diaminopteridin-6-yl)methyl)(methyl)amino)benzamido)pentanedioate |
67676-60-2 |
C22H27ClN8O5 |
|
|
Furoxine GSK Open Ring Impurity |
|
|
|
|
Isavuconazole Impurity 48 |
|
|
|
|
Oxacillin Impurity IMPA |
|
|
|
|
8-chloro-11-(1-((5-methylpyridin-3-yl)methyl)piperidin-4-ylidene)-6,11-dihydro-5H-benzo[5,6]cyclohepta[1,2-b]pyridine 1-oxide |
|
|
![2H-Naphtho[1,2-b]pyran-6-ol, 2,5-dimethyl-2-[(3E,7E)-4,8,12-trimethyl-3,7,11-tridecatrienyl]- (9CI)](/CAS/20210305/GIF/65941-19-7.gif) |
2H-Naphtho[1,2-b]pyran-6-ol, 2,5-dimethyl-2-[(3E,7E)-4,8,12-trimethyl-3,7,11-tridecatrienyl]- (9CI) |
65941-19-7 |
C31H40O2 |
 |
Amifostine Impurity 15 |
10297-31-1 |
C7H17Br3N2 |
|
|
Doxylamine Impurity G |
|
|
|
|
Phenoxymethylpenicillin Potassium Impurity 8 |
|
|
|
|
Tegoprazan Impurity 4 |
|
|
|
|
Bumetanide Impurity 23 |
|
|
|
|
Rocuronium Bromide Impurity 34、35、36 |
|
|
 |
Vinpocetine impurity C |
70155-05-4 |
C23H28N2O3 |
|
|
Cloxacillin Impurity X |
|
|
|
|
1-(4-((2-(4-hydroxypiperidin-1-yl)ethyl)(methyl)carbamoyl)benzyl)piperidine-4-carboxamide |
|
|
|
|
Perospirone Impurity 25 |
|
|
|
|
Paxlovid Impurity 16 |
|
|
|
|
3-(2-(cyclopent-1-en-1-yl)-2-hydroxy-2-phenylacetoxy)-1,1-dimethylpyrrolidin-1-ium bromide |
|
|
|
|
Fondaparinux sodium impurity 17 |
|
|
|
|
Fondaparinux sodium impurity 12 |
|
|
|
|
Piperacillin impurity L |
|
|
|
|
Piperacillin Impurity X |
|
|
 |
トリフェニル(エトキシ)メタン |
968-39-8 |
C21H20O |
|
|
Bosutinib Impurity 41 |
|
|