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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rac N-Methyl Atomoxetine Oxalate
CAS:107688-86-8
Applications rac N-Methyl Atomoxetine Oxalate is a derivative of Atomoxetine which acts as a norepinephrine …
Formula:
C18H23NO·C2H2O4
Color and Shape:
Off White Solid
Molecular weight:
359.42
Ref: TR-M288283
100mg | 1,101.00 € |
Estimated delivery in United States, on Tuesday 4 Feb 2025
p-Phenetidine-d5 Hydrochloride
Controlled ProductCAS:1794754-45-2
Applications Labelled p-Phenetidine (P296300). A toxic metabolite of Phenacetin (P294580) which exhibits high renal toxicity. …
Formula:
C8H7D5ClNO
Color and Shape:
Neat
Molecular weight:
178.67
Ref: TR-P296302
1mg | 352.00 € | ||
10mg | 2,355.00 € |
Estimated delivery in United States, on Tuesday 4 Feb 2025
2-Chloro-N-[2-(diethylamino)ethyl]-4-quinolinecarboxamide
CAS:87864-14-0
Applications Intermediate in the preparation of Dibucaine.
Formula:
C16H20ClN3O
Color and Shape:
Neat
Molecular weight:
305.80
Ref: TR-C365260
10g | 1,389.00 € | ||
500mg | 131.00 € |
Estimated delivery in United States, on Tuesday 4 Feb 2025
Hypoxanthine-13C2,15N (Mixture) Please see H998504
CAS:1246820-04-1
Applications A metabolite of Purine in cocaine addiction. References Jansen, R., et al.: Clin. Biochem., …
Formula:
C3C2H4N3NO
Color and Shape:
Neat
Molecular weight:
139.09
Ref: TR-H998503
1mg | 335.00 € | ||
10mg | 2,217.00 € |
Estimated delivery in United States, on Tuesday 4 Feb 2025
6-Methoxy-2-naphthoic Acid
Controlled ProductCAS:2471-70-7
Impurity Naproxen USP Related Compound A Applications An impurity of Naproxen (N377525) with bactericidal and …
Formula:
C12H10O3
Color and Shape:
Off-White
Molecular weight:
202.21
Ref: TR-M264755
1g | 271.00 € | ||
10g | 1,839.00 € |
Estimated delivery in United States, on Tuesday 4 Feb 2025
Bisphenol A Diglycidyl Ether
Controlled ProductCAS:1675-54-3
Applications Bisphenol A derivative. A PPARγ antagonist; exhibits estrogenic activity. References Krishnan, A.V., et al.: …
Formula:
C21H24O4
Color and Shape:
Colourless
Molecular weight:
340.41
Ref: TR-B519500
25g | 168.00 € | ||
50g | 217.00 € | ||
50mg | 123.00 € |
Estimated delivery in United States, on Tuesday 4 Feb 2025
(4-Amino-2-methyl-5-pyrimidinyl)methanol(Toxopyrimidine)
Controlled ProductCAS:73-67-6
Applications Toxopyrimidine is intermediate in thiamin biosynthetic pathway, a cofactor crucial for several enzymes involved …
Formula:
C6H9N3O
Color and Shape:
White To Off-White
Molecular weight:
139.16
Ref: TR-T686980
10mg | 182.00 € | ||
100mg | 1,438.00 € |
Estimated delivery in United States, on Tuesday 4 Feb 2025
L-Glutamyl-L-cysteinyl-glycine-13C2,15N Sodium Salt
CAS:815610-65-2
Applications Glutathione-glycine-13C2,15N Disodium Salt, is the labelled disodium salt derivative of Glutathione (G597951), a tripeptide …
Formula:
C813C2H17N215NO6S•xNa
Color and Shape:
Neat
Molecular weight:
310.302299
Ref: TR-G597952
1mg | 350.00 € | ||
10mg | 2,275.00 € |
Estimated delivery in United States, on Tuesday 4 Feb 2025
6-Methoxy-2-naphthaleneacetic Acid-d3 (Desmethyl Naproxen-d3)
Controlled ProductCAS:1189427-82-4
Applications A labelled metabolite of Nabumetone (N200500). A competitive, non-selective COX inhibitor. References Turpeinen et. …
Formula:
C13H9D3O3
Color and Shape:
Neat
Molecular weight:
219.25
Ref: TR-M264697
1mg | 302.00 € | ||
10mg | 2,019.00 € |
Estimated delivery in United States, on Tuesday 4 Feb 2025
Methyl Flurbiprofen
Controlled ProductCAS:66202-86-6
Applications Prodrug of Flurbiprofen. An intermediate for the synthesis of the metabolite of Flurbiprofen, an …
Formula:
C16H15FO2
Color and Shape:
Off-White
Molecular weight:
258.29
Ref: TR-M305350
25mg | 197.00 € | ||
250mg | 1,355.00 € |
Estimated delivery in United States, on Tuesday 4 Feb 2025
(R)-cis-5Xi-Methyl Atracurium Dibesylate
CAS:1193104-82-3
Impurity Atracurium EP Impurity K Applications (R)-cis-5ξ-Methyl Atracurium Dibesylate is a derivative of Atracurium (A794500) …
Formula:
C54H74N2O12•2(C6H5O3S)
Color and Shape:
Off-White To White
Molecular weight:
943.17215717
Ref: TR-M288320
5mg | 971.00 € | ||
10mg | 1,654.00 € |
Estimated delivery in United States, on Tuesday 4 Feb 2025
Hydroxy Voriconazole
Controlled ProductApplications A hydroxylated derivative of Voriconazole (V760000), a systemic antifungal and ergosterol biosynthesis inhibitor. Not …
Formula:
C16H14F3N5O2
Color and Shape:
Neat
Molecular weight:
365.31
Ref: TR-H996050
1mg | 264.00 € | ||
5mg | 997.00 € | ||
2500µg | 548.00 € |
Estimated delivery in United States, on Tuesday 4 Feb 2025
O-Methyl Atovaquone
CAS:129700-41-0
Impurity Atorvastatin EP Impurity D Applications O-Methyl Atovaquone (Atorvastatin EP Impurity D) is a Atovaquone …
Formula:
C23H21ClO3
Color and Shape:
Neat
Molecular weight:
380.86
Ref: TR-M288300
10mg | 289.00 € | ||
100mg | 1,919.00 € |
Estimated delivery in United States, on Tuesday 4 Feb 2025
D-Glucose 6-Phosphate Disodium Salt Hydrate
CAS:3671-99-6
Applications A phosphorylated glucose derivative that is a key intermediate in biological processes such as …
Formula:
C6H11O9PNa·x(H2O)
Color and Shape:
Neat
Molecular weight:
304.10 (anhydrous basis)
Ref: TR-G596805
1g | 266.00 € | ||
10g | 1,772.00 € |
Estimated delivery in United States, on Tuesday 4 Feb 2025
4-Hydroxy Toremifene
Controlled ProductCAS:110503-62-3
Applications A metabolite of Toremifene (T547500).Appears unstable in chloroform. Not a dangerous good if item …
Formula:
C26H28ClNO2
Color and Shape:
Neat
Molecular weight:
421.96
Ref: TR-H954500
10mg | 358.00 € | ||
100mg | 2,411.00 € |
Estimated delivery in United States, on Tuesday 4 Feb 2025
Perindopril L-Arginine
CAS:612548-45-5
Stability Hygroscopic Applications Perindopril L-Arginine, is a complex compound of Perindopril (P287500), having the antihypertensive, …
Formula:
C25H46N6O7
Color and Shape:
White To Off-White
Molecular weight:
542.67
Ref: TR-P287600
1mg | 396.00 € | ||
5mg | 1,109.00 € | ||
25mg | 3,133.00 € |
Estimated delivery in United States, on Tuesday 4 Feb 2025
N,N'-(1,2-Propylene)thiourea-d6
Controlled ProductCAS:2122-19-2
Applications Isotope labelled N,N'-(1,2-Propylene)thiourea is an intermediate used in various organic chemical reactions such as …
Formula:
C4H2D6N2S
Color and Shape:
Light Yellow Solid
Molecular weight:
122.22
Ref: TR-P836802
1mg | 388.00 € | ||
10mg | 2,674.00 € |
Estimated delivery in United States, on Tuesday 4 Feb 2025
Adamantane
CAS:281-23-2
Applications Adamantane derivatives have been used to treat influenza, as well as serve as NMDA …
Formula:
C10H16
Color and Shape:
Neat
Molecular weight:
136.23
Ref: TR-A207800
10g | 199.00 € | ||
25g | 264.00 € |
Estimated delivery in United States, on Tuesday 4 Feb 2025
42-O-[2-[[Hydroxy[2-(trimethylammonio)ethoxy]phosphinyl]oxy]ethyl] Rapamycin Inner Salt >75%
Controlled ProductCAS:1062645-51-5
Applications A phosphocholine ester metabolite of the immunosuppressant macrolide SDZ RAD (also known as Everolimus …
Formula:
C58H95N2O17P
Purity:
>75%
Color and Shape:
Neat
Molecular weight:
1123.35
Ref: TR-H972100
1mg | 1,594.00 € | ||
5mg | 5,976.00 € |
Estimated delivery in United States, on Tuesday 4 Feb 2025
3-Acetyl Rocuronium Bromide
Controlled ProductCAS:122483-73-2
Impurity Rocuronium EP Impurity B Applications 3-Acetyl Rocuronium Bromide (Rocuronium EP Impurity B) is an …
Formula:
C34H55N2O5·Br
Color and Shape:
Neat
Molecular weight:
651.71
Ref: TR-A187730
50mg | 392.00 € | ||
500mg | 2,698.00 € |
Estimated delivery in United States, on Tuesday 4 Feb 2025