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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Deschloroloperamide Hydrochloride
Controlled ProductCAS:1134369-22-4
Applications Deschloroloperamide Hydrochloride is a metabolite of Loperamide Hydrochloride (L469450); an antidiarrheal agent. Not a …
Formula:
C29H35ClN2O2
Color and Shape:
Neat
Molecular weight:
479.05
Ref: TR-D226605
| 10mg | 240.00 € | ||
| 100mg | 1,558.00 € |
Estimated delivery in United States, on Monday 28 Oct 2024
5-Chloro-1-(4-piperidinyl)-2-benzimidazolidinone
CAS:53786-28-0
Impurity Domperidone EP Impurity A Applications 5-Chloro-1-(4-piperidinyl)-2-benzimidazolidinone (Domperidone EP Impurity A) is a metabolite of …
Formula:
C12H14ClN3O
Color and Shape:
Neat
Molecular weight:
251.71
Ref: TR-C379725
| 1g | 116.00 € |
Estimated delivery in United States, on Monday 28 Oct 2024
Losartan-d4 Carboxylic Acid
Controlled ProductCAS:1246820-62-1
Stability Hygroscopic Applications A isotopically labelled metabolite of Losartan, a nonpeptide angiotensin II AT1-receptor antagonist. …
Formula:
C22H17D4ClN6O2
Color and Shape:
White To Yellow
Molecular weight:
440.92
Ref: TR-L470513
| 1mg | 345.00 € | ||
| 10mg | 2,281.00 € |
Estimated delivery in United States, on Monday 28 Oct 2024
N-Nitrosoephedrine-D3
Controlled ProductCAS:1850-61-9
Formula:
C10D3H11N2O2
Color and Shape:
White To Off-White
Molecular weight:
197.249
Ref: TR-N396192
| 1mg | 300.00 € | ||
| 5mg | 1,270.00 € | ||
| 10mg | 2,032.00 € |
Estimated delivery in United States, on Monday 28 Oct 2024
N-Desmethyl Diltiazem-d4 Hydrochloride
Controlled ProductCAS:1217650-51-5
Applications A metabolite of Diltiazem (D460620), an antianginal, antihypertensive pharmaceutical. Diltiazem regulates Calcium release from …
Formula:
C21H21D4ClN2O4S
Color and Shape:
Neat
Molecular weight:
440.98
Ref: TR-D291613
| 1mg | 268.00 € | ||
| 10mg | 1,730.00 € |
Estimated delivery in United States, on Monday 28 Oct 2024
4,4'-Bis(4-aminobenzenesulfonyl)hydrazobenzene
Stability Light Sensitive Applications 4,4'-Bis(4-aminobenzenesulfonyl)hydrazobenzene is a dimer impurity of Dapsone (D193250); an antibacterial used …
Formula:
C24H22N4O4S2
Color and Shape:
Off White
Molecular weight:
494.59
Ref: TR-B405540
| 5mg | 259.00 € | ||
| 50mg | 1,749.00 € |
Estimated delivery in United States, on Monday 28 Oct 2024
17b-Hydroxy Exemestane
Controlled ProductCAS:122370-91-6
Applications A metabolite of Exemestane; exerts biological effects as an androgen. References Howell, A., et …
Formula:
C20H26O2
Color and Shape:
White To Light Yellow
Molecular weight:
298.42
Ref: TR-H942340
| 1mg | 269.00 € | ||
| 5mg | 1,066.00 € |
Estimated delivery in United States, on Monday 28 Oct 2024
Rocuronium Bromide N-Oxide
Controlled ProductApplications Aminosteroid, competitive neuromuscular blocker.
Formula:
C32H53BrN2O5
Color and Shape:
Neat
Molecular weight:
625.68
Ref: TR-R639510
| 1mg | 310.00 € | ||
| 10mg | 1,997.00 € |
Estimated delivery in United States, on Monday 28 Oct 2024
rac 2-Hydroxy Ibuprofen
Controlled ProductCAS:51146-55-5
Applications A human metabolite of Ibuprofen. References Bales, J., et al.: Clin. Chem., 31, 757 …
Formula:
C13H18O3
Color and Shape:
Off-White
Molecular weight:
222.28
Ref: TR-H942860
| 1mg | 166.00 € | ||
| 5mg | 345.00 € | ||
| 10mg | 488.00 € |
Estimated delivery in United States, on Monday 28 Oct 2024
Nilotinib N-Oxide
Controlled ProductCAS:1246817-85-5
Applications A metabolite of Nilotinib (N465300). It is a COVID19-related research product.
Formula:
C28H22F3N7O2
Color and Shape:
Neat
Molecular weight:
545.52
Ref: TR-N465310
| 25mg | 1,585.00 € | ||
| 2500µg | 236.00 € |
Estimated delivery in United States, on Monday 28 Oct 2024
8(14)-Dehydro Norgestrel (>80%)
Controlled ProductCAS:110785-09-6
Formula:
C21H26O2
Purity:
>80%
Color and Shape:
Neat
Molecular weight:
310.43
Ref: TR-D229925
| 500µg | 487.00 € | ||
| 2500µg | 1,899.00 € |
Estimated delivery in United States, on Monday 28 Oct 2024
(+/-)-Lisofylline-d6
Controlled ProductCAS:1185995-26-9
Applications A major oxidative labelled metabolite of Pentoxifylline. A potent inhibitor of phosphatidic acid generation …
Formula:
C13H14D6N4O3
Color and Shape:
Neat
Molecular weight:
286.36
Ref: TR-L469052
| 1mg | 429.00 € | ||
| 10mg | 2,894.00 € |
Estimated delivery in United States, on Monday 28 Oct 2024
Lumiflavin
Controlled ProductCAS:1088-56-8
Applications Lumiflavin is a toxic photolysis product of vitamin B2 (R415000). References Zhao, X. et …
Formula:
C13H12N4O2
Color and Shape:
Dark Yellow
Molecular weight:
256.26
Ref: TR-L473900
| 5mg | 236.00 € | ||
| 10mg | 336.00 € | ||
| 100mg | 2,228.00 € |
Estimated delivery in United States, on Monday 28 Oct 2024
(R)-(+)-O-Desmethyl Carvedilol
Controlled ProductCAS:123372-14-5
Applications An optically active metabolite of Carvedilol (C184625), a nonselective ß-adrenergic blocker with α-1-blocking activity. …
Formula:
C23H24N2O4
Color and Shape:
Neat
Molecular weight:
392.45
Ref: TR-D291480
| 1mg | 227.00 € |
Estimated delivery in United States, on Monday 28 Oct 2024
6b-Hydroxy Dutasteride
Applications 6β-Hydroxy Dutasteride is a hydroxylated derivative of Dutasteride (D735000).
Formula:
C27H30F6N2O3
Color and Shape:
Neat
Molecular weight:
544.43
Ref: TR-H941810
| 1mg | 405.00 € | ||
| 10mg | 2,733.00 € |
Estimated delivery in United States, on Monday 28 Oct 2024
N-Nitrosodiethylamine-d10
Controlled ProductCAS:1219794-54-3
Applications N-Nitrosodiethylamine-d10 is a labelled form of N-Nitrosodiethylamine (N525465) which is a widely occurring nitrosamine …
Formula:
C4H10N2O
Color and Shape:
Colourless To Yellow
Molecular weight:
112.20
Ref: TR-N525466
| 1mg | 140.00 € | ||
| 5mg | 281.00 € | ||
| 10mg | 477.00 € |
Estimated delivery in United States, on Monday 28 Oct 2024
5-Ethyl-2-methylpyridine(5-Ethyl-2-picoline)
CAS:104-90-5
Applications Perfume composition. Not a dangerous good if item is equal to or less than …
Formula:
C8H11N
Color and Shape:
Colourless
Molecular weight:
121.18
Ref: TR-E925530
| 1g | 103.00 € | ||
| 10g | 178.00 € | ||
| 100g | 270.00 € |
Estimated delivery in United States, on Monday 28 Oct 2024
O-Desmethyl Midostaurin-13C6
Controlled ProductCAS:740816-86-8
Applications O-Desmethyl Midostaurin-13C6 is the labelled analogue of O-Desmethyl Midostaurin (D291400), a metabolite of Midostaurin …
Formula:
C2813C6H28N4O4
Color and Shape:
Neat
Molecular weight:
562.57
Ref: TR-D291402
| 1mg | 1,589.00 € | ||
| 250µg | 423.00 € | ||
| 2500µg | 2,861.00 € |
Estimated delivery in United States, on Monday 28 Oct 2024
Hydroxy Cyclophosphamide Semicarbazone (80%)
Controlled ProductCAS:53948-46-2
Applications Aldophosphamide Semicarbazone is a major metabolite of cyclophosphamide (C988580), a cytotoxic nitrogen mustard derivative …
Formula:
C8H18Cl2N5O3P
Purity:
80%
Color and Shape:
Neat
Molecular weight:
334.14
Ref: TR-H926305
| 25mg | 1,753.00 € | ||
| 2500µg | 259.00 € |
Estimated delivery in United States, on Monday 28 Oct 2024
Rivastigmine N-Oxide (Technical Grade)
Controlled ProductCAS:1369779-37-2
Applications Rivastigmine N-Oxide is an impurity of Rivastigmine (R541000, Tartrate Salt) which is a brain …
Formula:
C14H22N2O3
Color and Shape:
Light Yellow Liquid
Molecular weight:
266.34
Ref: TR-R540900
| 25mg | 1,652.00 € | ||
| 2500µg | 245.00 € |
Estimated delivery in United States, on Monday 28 Oct 2024
