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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6,7-Dehydro-17alpha-acetoxy Progesterone
CAS:425-51-4
Formula:
C23H30O4
Color and Shape:
Neat
Molecular weight:
370.48
Ref: TR-D229090
| 25mg | 165.00 € | ||
| 100mg | 222.00 € |
Estimated delivery in United States, on Friday 27 Dec 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 Friday 27 Dec 2024
6Alpha,9Alpha-Difluoroprednisolone 17-Acetate
Controlled ProductCAS:23674-85-3
Applications 6α,9α-Difluoroprednisolone 17-Acetate, is an impurity of Difluprednate (D445925), which is shown to have antiinflammatory …
Formula:
C23H28F2O6
Color and Shape:
White To Off-White
Molecular weight:
438.46
Ref: TR-D446295
| 10mg | 330.00 € | ||
| 100mg | 2,139.00 € |
Estimated delivery in United States, on Friday 27 Dec 2024
Trazodone N-Oxide
CAS:55290-68-1
Impurity Trazodone N-Oxide Impurity Applications Trazodone N-Oxide is a metabolite of Trazodone-HCl (T718500). Trazodone impurity …
Formula:
C19H22ClN5O2
Color and Shape:
Off White Solid
Molecular weight:
387.86
Ref: TR-T718510
| 5mg | 308.00 € | ||
| 50mg | 1,932.00 € |
Estimated delivery in United States, on Friday 27 Dec 2024
9-Carboxymethoxymethylguanine
Controlled ProductCAS:80685-22-9
Applications 9-Carboxymethoxymethylguanine is a metabolite of Acyclovir (A192400) which is an antiviral, orally active acyclic …
Formula:
C8H9N5O4
Color and Shape:
Light Orange Colour Solid
Molecular weight:
239.19
Ref: TR-C179990
| 5mg | 374.00 € | ||
| 10mg | 688.00 € | ||
| 25mg | 1,551.00 € |
Estimated delivery in United States, on Friday 27 Dec 2024
Erdosteine
Controlled ProductCAS:84611-23-4
Applications Erdosteine is a mucolytic. Erdosteine was developed for the treatment of chronic obstructive bronchitis. …
Formula:
C8H11NO4S2
Color and Shape:
White To Off-White
Molecular weight:
249.31
Ref: TR-E596050
| 1g | 220.00 € | ||
| 5g | 755.00 € | ||
| 500mg | 171.00 € |
Estimated delivery in United States, on Friday 27 Dec 2024
7-Chloro-2-methoxy-5-phenyl-3H-1,4-benzodiazepine
Controlled ProductCAS:31269-33-7
Impurity Diazepam Applications 7-Chloro-2-methoxy-5-phenyl-3H-1,4-benzodiazepine is an impurity of Diazepam (D416855), which is an anxiolytic, muscle …
Formula:
C16H13ClN2O
Color and Shape:
White Solid
Molecular weight:
284.74
Ref: TR-C596135
| 10mg | 274.00 € | ||
| 100mg | 1,910.00 € |
Estimated delivery in United States, on Friday 27 Dec 2024
2-Methyl-∆1-megestrol Acetate (Megestrol Acetate Impurity)
Controlled ProductApplications A related impurity in Megestrol acetate (M208050). References Schneider, F., et al.: Helv. Chim. …
Formula:
C25H32O4
Color and Shape:
Neat
Molecular weight:
396.52
Ref: TR-M320260
| 1mg | 247.00 € | ||
| 10mg | 1,635.00 € |
Estimated delivery in United States, on Friday 27 Dec 2024
Ref: TR-A633355
| 10mg | 162.00 € | ||
| 100mg | 321.00 € | ||
| 500mg | 1,360.00 € |
Estimated delivery in United States, on Friday 27 Dec 2024
ent-Tadalafil
Controlled ProductCAS:629652-72-8
Impurity Tadalafil EP Impurity B Applications Tadalafil (T004500) analog. Tadalafil Impurity (6S,12aS) References Daugan, A., …
Formula:
C22H19N3O4
Color and Shape:
Neat
Molecular weight:
389.40
Ref: TR-T004505
| 5mg | 454.00 € | ||
| 10mg | 841.00 € | ||
| 25mg | 1,650.00 € |
Estimated delivery in United States, on Friday 27 Dec 2024
(R)-(-)-Clenbuterol
Controlled ProductCAS:50306-03-1
Applications (R)-Enantiomer of Clenbuterol. Substituted phenylethanolamine with β2 sympathomimetic activity. Bronchodilator. Not a dangerous good …
Formula:
C12H18Cl2N2O
Color and Shape:
Neat
Molecular weight:
277.19
Ref: TR-C569990
| 5mg | 309.00 € | ||
| 50mg | 1,991.00 € |
Estimated delivery in United States, on Friday 27 Dec 2024
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 | 179.00 € | ||
| 50mg | 251.00 € | ||
| 100mg | 385.00 € |
Estimated delivery in United States, on Friday 27 Dec 2024
Tamoxifen N-Oxide
Controlled ProductCAS:75504-34-6
Applications A metabolite of Tamoxifen (T006000), a nonsteroidal estrogen antagonist of interest in the treatment …
Formula:
C26H29NO2
Color and Shape:
Neat
Molecular weight:
387.51
Ref: TR-T006095
| 1mg | 98.00 € | ||
| 5mg | 139.00 € | ||
| 50mg | 1,078.00 € |
Estimated delivery in United States, on Friday 27 Dec 2024
rac-trans-7-Hydroxy Pramipexole
Controlled ProductCAS:1246818-51-8
Impurity Pramipexole Related Compound F Applications Pramipexole derivative used for the preparation of (S)-Pramipexole via …
Formula:
C10H17N3OS
Color and Shape:
Neat
Molecular weight:
227.33
Ref: TR-H952145
| 1mg | 404.00 € | ||
| 10mg | 2,772.00 € |
Estimated delivery in United States, on Friday 27 Dec 2024
Dihydrodigoxin (Mixture of Diastereomers)
Controlled ProductCAS:5297-10-9
Applications Dihydrodigoxin is a cardioinactive metabolite of Digoxin (D446575) that gets excreted in the urine …
Formula:
C41H66O14
Color and Shape:
Neat
Molecular weight:
782.95
Ref: TR-D452680
| 10mg | 330.00 € | ||
| 100mg | 2,139.00 € |
Estimated delivery in United States, on Friday 27 Dec 2024
Norgestrel-d6 (major)
Controlled ProductCAS:6533-00-2
Applications Labelled Norgestrel. It is an excellent progestational and ovulation inhibiting steroid. The bioactive enantiomer …
Formula:
C21H22D6O2
Color and Shape:
White To Light Yellow
Molecular weight:
318.49
Ref: TR-N689502
| 1mg | 316.00 € | ||
| 10mg | 2,101.00 € |
Estimated delivery in United States, on Friday 27 Dec 2024
4-Keto 13-cis-Retinoic Acid-d6
Controlled ProductCAS:71748-58-8
Stability Light Sensitive, Temperature Sensitive Applications 4-Keto 13-cis-Retinoic Acid-d6, is the labeled analogue of 4-Keto …
Formula:
C20H20D6O3
Color and Shape:
Neat
Molecular weight:
320.46
Ref: TR-K204973
| 1mg | 519.00 € | ||
| 10mg | 3,623.00 € |
Estimated delivery in United States, on Friday 27 Dec 2024
Fenbendazole Sulfone
Controlled ProductCAS:54029-20-8
Applications A metabolite of Fenbendazole (F246750). References McKellar, Q., et al.: J. Vet. Pharmacol. Ther., …
Formula:
C15H13N3O4S
Color and Shape:
White To Light Pink
Molecular weight:
331.35
Ref: TR-F246770
| 5mg | 220.00 € | ||
| 10mg | 280.00 € | ||
| 25mg | 696.00 € |
Estimated delivery in United States, on Friday 27 Dec 2024
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 | 356.00 € | ||
| 10mg | 2,438.00 € |
Estimated delivery in United States, on Friday 27 Dec 2024
Fenretinide
Controlled ProductCAS:65646-68-6
Stability Light Sensitive - Protect from Light Exposure Applications Fenretinide (4-HPR) is a synthetic retinoid …
Formula:
C26H33NO2
Color and Shape:
Neat
Molecular weight:
391.55
Ref: TR-F250000
| 5mg | 128.00 € | ||
| 25mg | 168.00 € | ||
| 50mg | 229.00 € |
Estimated delivery in United States, on Friday 27 Dec 2024
