Active pharmaceutical ingredient (API) impurities for research
All products contained in this category are intended for laboratory use only, and are not meant for human consumption.
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Methyl 2-Cyclohexyl-2-hydroxyphenylacetate
CAS:10399-13-0
Applications Methyl 2-Cyclohexyl-2-hydroxyphenylacetate is an impurity of Oxybutynin (O868525). References Bitar, Y., et al.: J. …
Formula:
C15H20O3
Color and Shape:
White
Molecular weight:
248.32
Ref: TR-M294645
10g | 1,133.00 € | ||
500mg | 189.00 € |
Estimated delivery in United States, on Tuesday 4 Feb 2025
4-(2-Keto-1-benzimidazolinyl)piperidine Hydrochloride
Controlled ProductCAS:6961-12-2
Applications 4-(2-Keto-1-benzimidazolinyl)piperidine is an impurity of Pimozide (P447800). Pimozide impurity A. Not a dangerous good …
Formula:
C12H16ClN3O
Color and Shape:
Neat
Molecular weight:
253.73
Ref: TR-K175055
250mg | 287.00 € | ||
2500mg | 1,901.00 € |
Estimated delivery in United States, on Tuesday 4 Feb 2025
ABT 199 (Venetoclax)
Controlled ProductCAS:1257044-40-8
Applications ABT 199 is a potent and selective BCL-2 inhibitor that achieves potent antitumour activity …
Formula:
C45H50ClN7O7S
Color and Shape:
Light Yellow To Yellow
Molecular weight:
868.44
Ref: TR-A112430
5mg | 118.00 € | ||
50mg | 226.00 € | ||
100mg | 368.00 € |
Estimated delivery in United States, on Tuesday 4 Feb 2025
17a-Hydroxy-11-deoxycorticosterone-21-acetate
Controlled ProductCAS:640-87-9
Impurity Hydrocortisone EP Impurity K Applications 17α-Hydroxy-11-deoxycorticosterone-21-acetate (Hydrocortisone EP Impurity K) is an acetate substance …
Formula:
C23H32O5
Color and Shape:
White
Molecular weight:
388.4972
Ref: TR-H934800
1g | 940.00 € | ||
50mg | 328.00 € | ||
500mg | 619.00 € |
Estimated delivery in United States, on Tuesday 4 Feb 2025
N-Formyl Thyroxine
Controlled ProductCAS:671235-41-9
Impurity Levothyroxine N-Formyl Impurity; N-Formyl-T4 (USP) Applications N-Formyl Thyroxine (Levothyroxine N-Formyl Impurity; N-Formyl-T4 (USP)) is …
Formula:
C16H11I4NO5
Color and Shape:
Neat
Molecular weight:
804.88
Ref: TR-F701300
250mg | 346.00 € | ||
2500mg | 2,316.00 € |
Estimated delivery in United States, on Tuesday 4 Feb 2025
Bis(aminoethoxy) Amlodipine
CAS:721958-74-3
Impurity Amlodipine EP Impurity C Applications Amlodipine Besilate (A633500) impurity. Amlodipine EP Impurity C References …
Formula:
C22H30ClN3O6
Color and Shape:
Neat
Molecular weight:
467.94
Ref: TR-B402100
10mg | 329.00 € | ||
100mg | 2,210.00 € |
Estimated delivery in United States, on Tuesday 4 Feb 2025
N-Deethyl Dorzolamide
Controlled ProductCAS:154154-90-2
Impurity Dorzolamide EP Impurity D Applications N-Deethyl Dorzolamide (Dorzolamide EP Impurity D) is a metabolite …
Formula:
C8H12N2O4S3
Color and Shape:
Neat
Molecular weight:
296.3869
Ref: TR-D228550
5mg | 380.00 € | ||
25mg | 793.00 € | ||
100mg | 2,353.00 € |
Estimated delivery in United States, on Tuesday 4 Feb 2025
trans-4-[[(2-Amino-5-bromophenyl)methyl]amino]-cyclohexanol
CAS:101900-43-0
Applications trans-4-[[(2-Amino-5-bromophenyl)methyl]amino]-cyclohexanol is an impurity of Ambroxol (A575900), a bronchosecretolytic drug and a metabolite of …
Formula:
C13H19BrN2O
Color and Shape:
Neat
Molecular weight:
299.21
Ref: TR-A601985
50mg | 352.00 € | ||
500mg | 2,317.00 € |
Estimated delivery in United States, on Tuesday 4 Feb 2025
Simvastatin Hydroxy Acid Methyl Ester
Controlled ProductCAS:145576-26-7
Applications An impurity in Simvastatin (S485000) tablets. References Endo, A., et al.: J. Antibiot., 29, …
Formula:
C26H42O6
Color and Shape:
Neat
Molecular weight:
450.61
Ref: TR-S485015
10mg | 449.00 € | ||
50mg | 1,820.00 € | ||
100mg | 3,076.00 € |
Estimated delivery in United States, on Tuesday 4 Feb 2025
3-Morpholino-1-(4-(2-oxopiperidin-1-yl)phenyl)-5,6-dihydropyridin-2(1H)-one
Controlled ProductCAS:545445-44-1
Applications 3-Morpholino-1-(4-(2-oxopiperidin-1-yl)phenyl)-5,6-dihydropyridin-2(1H)-one (cas# 545445-44-1) is a useful research chemical.
Formula:
C20H25O3N3
Color and Shape:
Beige
Molecular weight:
355.43
Ref: TR-M732788
1g | 91.00 € | ||
10g | 519.00 € |
Estimated delivery in United States, on Tuesday 4 Feb 2025
3-Deschloro-3-bromo Bupropion Hydcrochloride
Controlled ProductCAS:1049718-43-5
Impurity Bupropion USP Related Compound B Applications 3-Deschloro-3-bromo Bupropion Hydcrochloride (Bupropion USP Related Compound B) …
Formula:
C13H18BrNO·ClH
Color and Shape:
Neat
Molecular weight:
320.65
Ref: TR-D281955
25mg | 277.00 € | ||
250mg | 1,826.00 € |
Estimated delivery in United States, on Tuesday 4 Feb 2025
4-Chlorobenzal Chloride
CAS:13940-94-8
Applications 4-Chlorobenzal Chloride is an impurity that is formed in the synthesis of Benoxaprofen (B165300); …
Formula:
C7H5Cl3
Color and Shape:
Neat
Molecular weight:
195.47
Ref: TR-C364155
1g | 348.00 € | ||
5g | 1,262.00 € | ||
10g | 2,185.00 € |
Estimated delivery in United States, on Tuesday 4 Feb 2025
Norlaudanosoline Hydrobromide
Controlled ProductCAS:16659-88-4
Applications Norlaudanosoline is a key intermediate on the biosynthetic pathway to morphinan and benzylisoquinoline alkaloids. …
Formula:
C16H17NO4·BrH
Color and Shape:
Neat
Molecular weight:
368.22
Ref: TR-N661425
10mg | 219.00 € | ||
25mg | 402.00 € | ||
100mg | 1,395.00 € |
Estimated delivery in United States, on Tuesday 4 Feb 2025
2,4-Dichloro-5-sulfamoylbenzoic Acid
Controlled ProductCAS:2736-23-4
Impurity Furosemide EP Impurity B Applications 2,4-Dichloro-5-sulfamoylbenzoic Acid is a chlorinated sulfamoylbenzoic acid with diuretic …
Formula:
C7H5Cl2NO4S
Color and Shape:
White
Molecular weight:
270.09
Ref: TR-D435980
1g | 129.00 € | ||
10g | 201.00 € |
Estimated delivery in United States, on Tuesday 4 Feb 2025
Norcocaine Hydrochloride
Controlled ProductCAS:61585-22-6
Applications A minor metabolite of Cocaine. Controlled substance. Not a dangerous good if item is …
Formula:
C16H19NO4·ClH
Color and Shape:
White
Molecular weight:
325.79
Ref: TR-N661500
5mg | 274.00 € | ||
50mg | 1,812.00 € |
Estimated delivery in United States, on Tuesday 4 Feb 2025
S-(+)-Mecamylamine Hydrochloride
Controlled ProductCAS:107596-30-5
Applications The S-(+) enantiomer of Mecamylamine (M202600), a noncompetitive neuronal nicotinic receptor modulator antagonist with …
Formula:
C11H21N·ClH
Color and Shape:
Neat
Molecular weight:
203.75
Ref: TR-M202595
10mg | 344.00 € | ||
100mg | 2,185.00 € |
Estimated delivery in United States, on Tuesday 4 Feb 2025
(R)-Naproxen
Controlled ProductCAS:23979-41-1
Formula:
C14H14O3
Color and Shape:
White To Off-White
Molecular weight:
230.26
Ref: TR-N377510
1g | 641.00 € | ||
100mg | 141.00 € | ||
500mg | 388.00 € |
Estimated delivery in United States, on Tuesday 4 Feb 2025
1,2,3,4-Tetrahydro Staurosporin
Controlled ProductCAS:220038-19-7
Applications Staurosporine derivative for use as isoenzyme PKCα inhibitors and anticancer agents. References Pollack, V., …
Formula:
C28H26N4O3
Color and Shape:
Neat
Molecular weight:
466.53
Ref: TR-T295700
1mg | 710.00 € | ||
500µg | 406.00 € | ||
2500µg | 1,604.00 € |
Estimated delivery in United States, on Tuesday 4 Feb 2025
N-(3-(3-Cyano-7-oxo-4,7-dihydropyrazolo[1,5-a]pyrimidin-5-yl)phenyl)-N-ethylacetamide
Controlled ProductApplications N-(3-(3-Cyano-7-oxo-4,7-dihydropyrazolo[1,5-a]pyrimidin-5-yl)phenyl)-N-ethylacetamide is an impurity of Zaleplon (Z145000), Selective non-benzodiazepine GABAA receptor agonist. References Allen, …
Formula:
C17H15N5O2
Color and Shape:
White To Off-White
Molecular weight:
321.33
Ref: TR-C979513
5mg | 346.00 € | ||
50mg | 2,322.00 € |
Estimated delivery in United States, on Tuesday 4 Feb 2025
N-[(2'-Cyano[1,1'-biphenyl]-4-yl)methyl]-N-(1-oxopentyl)-L-valine Methyl Ester
Controlled ProductCAS:137863-90-2
Applications N-[(2'-Cyano[1,1'-biphenyl]-4-yl)methyl]-N-(1-oxopentyl)-L-valine Methyl Ester is an impurity of the drug Valsartan (V095750), which is a …
Formula:
C25H30N2O3
Color and Shape:
Colourless Oily
Molecular weight:
406.52
Ref: TR-C962370
25mg | 464.00 € | ||
50mg | 825.00 € | ||
100mg | 1,316.00 € |
Estimated delivery in United States, on Tuesday 4 Feb 2025