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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4'-O-2,6-Dideoxy-3-O-methyl-α-L-arabino-hexopyranosyl Selamectin
Controlled ProductCAS:301849-46-7
Applications 4'-O-2,6-Dideoxy-3-O-methyl-α-L-arabino-hexopyranosyl Selamectin is an impurity of Selamectin (S247990) which is a topical parasiticide. Selamectin …
Formula:
C50H75NO14
Color and Shape:
Neat
Molecular weight:
914.13
Ref: TR-D440100
5mg | 285.00 € | ||
50mg | 1,913.00 € |
Estimated delivery in United States, on Tuesday 4 Feb 2025
2-Chloro-1,3-propanediol
Controlled ProductCAS:497-04-1
Stability Hygroscopic, Toxic Applications 2-Chloro-1,3-propanediol is a metabolite of Dichloropropanols. Not a dangerous good if …
Formula:
C3H7ClO2
Color and Shape:
Colourless To Light Yellow
Molecular weight:
110.54
Ref: TR-C379690
25mg | 192.00 € | ||
50mg | 269.00 € | ||
100mg | 415.00 € |
Estimated delivery in United States, on Tuesday 4 Feb 2025
3-Chloro-1,2-propanediol
Controlled ProductCAS:96-24-2
Formula:
C3H7ClO2
Color and Shape:
Neat
Molecular weight:
110.5395
Ref: TR-C379710
1g | 451.00 € | ||
25mg | 208.00 € | ||
100mg | 297.00 € |
Estimated delivery in United States, on Tuesday 4 Feb 2025
2,6-Dichlorophenol
Controlled ProductCAS:87-65-0
Applications 2,6-Dichlorophenol is a reagent used in the synthesis of α-chloroesters and chlorophenols as well …
Formula:
C6H4Cl2O
Color and Shape:
Colourless
Molecular weight:
163.00
Ref: TR-D436145
10g | 102.00 € |
Estimated delivery in United States, on Tuesday 4 Feb 2025
Rizatriptan N10-Oxide
Controlled ProductCAS:260435-42-5
Impurity Rizatriptan EP Impurity H Applications Rizatriptan N10-Oxide (Rizatriptan EP Impurity H) is a metabolite …
Formula:
C15H19N5O
Color and Shape:
Off White
Molecular weight:
285.34
Ref: TR-R545010
5mg | 630.00 € | ||
10mg | 1,140.00 € | ||
25mg | 2,277.00 € |
Estimated delivery in United States, on Tuesday 4 Feb 2025
Rifampicin Quinone
Controlled ProductCAS:13983-13-6
Stability Light Sensitive Applications Rifampicin Quinone is a metabolite of Rifampicin (R508000). Rifampicin Quinone acts …
Formula:
C43H56N4O12
Color and Shape:
Neat
Molecular weight:
820.92
Ref: TR-R508040
50mg | 346.00 € | ||
500mg | 2,209.00 € |
Estimated delivery in United States, on Tuesday 4 Feb 2025
(2R,4R)-Sacubitril
CAS:766480-48-2
Applications (2R,4R)-Sacubitril is an impurity of Sacubitril (S080895) which is an antihypertensive drug used in …
Formula:
C24H29NO5
Color and Shape:
Neat
Molecular weight:
411.491
Ref: TR-S080910
1mg | 322.00 € | ||
5mg | 1,356.00 € | ||
10mg | 2,125.00 € |
Estimated delivery in United States, on Tuesday 4 Feb 2025
Salicylic Acid-13C6
CAS:1189678-81-6
Applications Labelled acetylsalicylic acid impurity B. References Walter, M., et al.: Eur. J. Biochem., 1996, …
Formula:
C6CH6O3
Color and Shape:
Neat
Molecular weight:
144.08
Ref: TR-S088128
1mg | 498.00 € | ||
10mg | 3,465.00 € |
Estimated delivery in United States, on Tuesday 4 Feb 2025
6'-Methoxy-2'-acetonaphthone (Naproxen Impurity L)
Controlled ProductCAS:3900-45-6
Impurity Naproxen USP Related Compound L Applications Naproxen impurity L. Naproxen USP Related Compound L …
Formula:
C13H12O2
Color and Shape:
Beige
Molecular weight:
200.233
Ref: TR-M260805
1g | 367.00 € | ||
10g | 519.00 € | ||
100mg | 237.00 € |
Estimated delivery in United States, on Tuesday 4 Feb 2025
Dexamfetamine Hemisulfate
Controlled ProductCAS:51-63-8
Applications Sulfate salt of (S)-Amphetamine, a CNS stimulant; anorexic. More active isomer of Amphetamine. Induces …
Formula:
C9H13N·H2O4S
Color and Shape:
Neat
Molecular weight:
368.49
Ref: TR-A634295
1g | 1,782.00 € | ||
100mg | 252.00 € |
Estimated delivery in United States, on Tuesday 4 Feb 2025
Chlorothiazide
Controlled ProductCAS:58-94-6
Impurity Hydrochlorothiazide EP Impurity A Applications Diuretic; antihypertensive. Hydrochlorothiazide EP Impurity A. References Brittain, H.G., …
Formula:
C7H6ClN3O4S2
Color and Shape:
White To Off-White
Molecular weight:
295.72
Ref: TR-C380000
50mg | 143.00 € | ||
250mg | 251.00 € | ||
2500mg | 288.00 € |
Estimated delivery in United States, on Tuesday 4 Feb 2025
9-Keto Risperidone (90%)
Controlled ProductCAS:1189516-65-1
Applications Risperidone (R525000) impurity. References Fang, et al.: Naunyn-Schmiedeberg’s Arch. Pharmacol., 359, 147 (1999),
Formula:
C23H25FN4O3
Purity:
90%
Color and Shape:
Neat
Molecular weight:
424.468
Ref: TR-K215300
1mg | 349.00 € | ||
5mg | 1,511.00 € | ||
10mg | 2,423.00 € |
Estimated delivery in United States, on Tuesday 4 Feb 2025
Amoxycilloic Acid Sodium Salt
CAS:42947-63-7
Stability Hygroscopic, Unstable in Solution Applications Amoxycilloic Acid Sodium Salt is an impurity of Amoxicillin …
Formula:
C16H20N3NaO6S
Color and Shape:
White To Off-White
Molecular weight:
405.4
Ref: TR-A634325
5mg | 346.00 € | ||
50mg | 2,318.00 € |
Estimated delivery in United States, on Tuesday 4 Feb 2025
Keto Pioglitazone-d4 (M-III)
Controlled ProductCAS:1215370-26-5
Applications Keto Pioglitazone-d4 (M-III) is the labeled analogue of Keto Pioglitazone (M-III) (K200600), a metabolite …
Formula:
C19H4H14N2O4S
Color and Shape:
Off White Solid
Molecular weight:
374.45
Ref: TR-K200603
5mg | 1,845.00 € | ||
500µg | 278.00 € |
Estimated delivery in United States, on Tuesday 4 Feb 2025
(BetaR,DeltaR,1S,2S)-1,2-Dihydro-Beta,Delta,6-trihydroxy-2-methyl-1-naphthaleneheptanoic Acid Sodium
Controlled ProductCAS:720666-74-0
Applications Pravastatin impurity. References Muramatsu, S., et al.: Biol. Pharm. Bull., 20, 1199 (1997), Serajuddin, …
Formula:
C18H23O5·Na
Color and Shape:
Neat
Molecular weight:
342.36
Ref: TR-D449860
1mg | 409.00 € | ||
10mg | 2,958.00 € |
Estimated delivery in United States, on Tuesday 4 Feb 2025
DL-Serine Hydrazide Hydrochloride
CAS:55819-71-1
Impurity Benserazide EP Impurity A Applications DL-Serine Hydrazide Hydrochloride (Benserazide EP Impurity A) is used …
Formula:
C3H9N3O2·ClH
Color and Shape:
White To Off-White
Molecular weight:
155.58
Ref: TR-S271015
5g | 255.00 € | ||
25g | 500.00 € | ||
100g | 899.00 € |
Estimated delivery in United States, on Tuesday 4 Feb 2025
Allantoic Acid
Controlled ProductCAS:99-16-1
Applications A metabolic intermediate in nucleic acid metabolism. References Yoon, K., et al.: Nat. Prod. …
Formula:
C4H8N4O4
Color and Shape:
White To Off-White
Molecular weight:
176.13
Ref: TR-A541500
50mg | 207.00 € | ||
100mg | 339.00 € | ||
500mg | 825.00 € |
Estimated delivery in United States, on Tuesday 4 Feb 2025
3’,4’-Dihydroxyacetophenone
Controlled ProductCAS:1197-09-7
Applications 3',4'-Dihydroxyacetophenone is an active constituent of Chinese medicine and also has antimelanogenic actiivity. References …
Formula:
C8H8O3
Color and Shape:
Neat
Molecular weight:
152.15
Ref: TR-D446835
1g | 345.00 € | ||
250mg | 259.00 € |
Estimated delivery in United States, on Tuesday 4 Feb 2025
6beta-Hydroxy Betamethasone
Controlled ProductCAS:24703-00-2
Applications 6β-Hydroxy Betamethasone can be used as analyte in analytical study for detecting betamethasone metabolites …
Formula:
C22H29FO6
Color and Shape:
Neat
Molecular weight:
408.46
Ref: TR-H810105
5mg | 286.00 € | ||
10mg | 529.00 € |
Estimated delivery in United States, on Tuesday 4 Feb 2025
(±)-Ketoprofen-d4 (propionic-d4 acid)
Controlled ProductCAS:1219805-29-4
Applications (±)-Ketoprofen-d4 (propionic-d4 acid) (CAS# 1219805-29-4) is a useful isotopically labeled research compound.
Formula:
C16H4H10O3
Color and Shape:
Neat
Molecular weight:
258.31
Ref: TR-K200801
5mg | 756.00 € | ||
10mg | 1,212.00 € |
Estimated delivery in United States, on Tuesday 4 Feb 2025