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-Demethyl Papaverine-d3
Controlled ProductCAS:1246815-25-7
Applications A labelled metabolite of Papaverine (P190500). Not a dangerous good if item is equal …
Formula:
C19H16D3NO4
Color and Shape:
Neat
Molecular weight:
328.38
Ref: TR-D231202
| 1mg | 477.00 € | ||
| 10mg | 3,198.00 € |
Estimated delivery in United States, on Monday 30 Dec 2024
Dehydro Felodipine-d3
Controlled ProductCAS:1189916-52-6
Formula:
C18H14D3Cl2NO4
Color and Shape:
Neat
Molecular weight:
385.26
Ref: TR-D229652
| 1mg | 356.00 € | ||
| 10mg | 2,417.00 € |
Estimated delivery in United States, on Monday 30 Dec 2024
Desacetyl Diltiazem
CAS:42399-40-6
Impurity Diltiazem EP Impurity F Applications Desacetyl Diltiazem (Diltiazem EP Impurity F) is a metabolite …
Formula:
C20H24N2O3S
Color and Shape:
Neat
Molecular weight:
372.48
Ref: TR-D288685
| 5mg | 125.00 € | ||
| 10mg | 213.00 € | ||
| 25mg | 393.00 € |
Estimated delivery in United States, on Monday 30 Dec 2024
Isobutyric-d6 Acid
Controlled ProductCAS:29054-08-8
Applications Isobutyric-d6 Acid is the isotope labelled analogue of Isobutyric Acid, a carboxylic acid found …
Formula:
C4H6H2O2
Color and Shape:
Neat
Molecular weight:
94.14
Ref: TR-I789182
| 1g | 857.00 € | ||
| 250mg | 291.00 € | ||
| 500mg | 507.00 € |
Estimated delivery in United States, on Monday 30 Dec 2024
10,11-Dihydro-10-hydroxy Carbamazepine-d3
Controlled ProductCAS:1189917-36-9
Applications A labelled metabolite of Oxcarbazepine (O869250). References Burkhart, C., et al.: Clin. Exp. Allergy, …
Formula:
C15H3H11N2O2
Color and Shape:
Off White
Molecular weight:
257.30
Ref: TR-D449138
| 1mg | 426.00 € | ||
| 10mg | 2,802.00 € |
Estimated delivery in United States, on Monday 30 Dec 2024
![alpha,alpha-Bis[2-(dimethylamino)ethyl]-4-chlorophenylacetonitrile](https://static.cymitquimica.com/products/TR/thumb/B429800.jpg)
alpha,alpha-Bis[2-(dimethylamino)ethyl]-4-chlorophenylacetonitrile
Controlled ProductCAS:1246816-57-8
Impurity Chlorpeniramine EP Impurity A Applications α,α-Bis[2-(dimethylamino)ethyl]-4-chlorophenylacetonitrile (Chlorpeniramine EP Impurity A) is a Chlorpeniramine intermediate.
Formula:
C16H24ClN3
Color and Shape:
White
Molecular weight:
293.83
Ref: TR-B429800
| 250mg | 353.00 € | ||
| 2500mg | 2,254.00 € |
Estimated delivery in United States, on Monday 30 Dec 2024
2,5-Ethyl Acetate Febuxostat
Controlled ProductCAS:1643131-93-4
Applications Febuxostat (F229000) is the parent compound for 2,5-Ethyl Acetate Febuxostat. Used for treatment of …
Formula:
C20H25NO5S
Color and Shape:
Neat
Molecular weight:
391.48
Ref: TR-E164310
| 10mg | 292.00 € | ||
| 50mg | 1,256.00 € | ||
| 100mg | 1,958.00 € |
Estimated delivery in United States, on Monday 30 Dec 2024
![3-(2-Chloroethyl)-7,8-dihydro-2-methyl-4H-pyrido[1,2-a]pyrimidine-4,9(6H)-dione](https://static.cymitquimica.com/products/TR/thumb/C371135.jpg)
3-(2-Chloroethyl)-7,8-dihydro-2-methyl-4H-pyrido[1,2-a]pyrimidine-4,9(6H)-dione
CAS:1138463-56-5
Applications 3-(2-Chloroethyl)-7,8-dihydro-2-methyl-4H-pyrido[1,2-a]pyrimidine-4,9(6H)-dione is a Paliperidone (P141000), a combined serotonin (5-HT2) and dopamine (D2) receptor antagonist. …
Formula:
C11H13ClN2O2
Color and Shape:
Neat
Molecular weight:
240.686
Ref: TR-C371135
| 10mg | 841.00 € | ||
| 25mg | 1,449.00 € | ||
| 2500µg | 197.00 € |
Estimated delivery in United States, on Monday 30 Dec 2024
N-De(4-sulfonamidophenyl)-N’-(4-sulfonamidophenyl) Celecoxib
Controlled ProductCAS:331943-04-5
Impurity Celecoxib EP Impurity B Applications N-De(4-sulfonamidophenyl)-N’-(4-sulfonamidophenyl) Celecoxib (Celecoxib EP Impurity B) is an isomeric …
Formula:
C17H14F3N3O2S
Color and Shape:
Neat
Molecular weight:
381.37
Ref: TR-D297915
| 10mg | 219.00 € | ||
| 50mg | 478.00 € | ||
| 100mg | 776.00 € |
Estimated delivery in United States, on Monday 30 Dec 2024
D-Valacyclovir Hydrochloride
CAS:1795786-28-5
Impurity Valaciclovir EP Impurity R Stability Hygroscopic Applications D-Valacyclovir Hydrochloride (Valaciclovir EP Impurity R) is …
Formula:
C13H20N6O4·ClH
Color and Shape:
Off-White
Molecular weight:
360.80
Ref: TR-V084995
| 25mg | 309.00 € | ||
| 50mg | 544.00 € | ||
| 100mg | 1,007.00 € |
Estimated delivery in United States, on Monday 30 Dec 2024
rac N,O-Didesmethyl Venlafaxine
Controlled ProductCAS:135308-74-6
Applications A metabolite of Venlafaxine, a selective serotonin noradrenaline reuptake inhibitor. References Klamerus, K., et …
Formula:
C15H23NO2
Color and Shape:
Off White Powder
Molecular weight:
249.35
Ref: TR-D441575
| 5mg | 308.00 € | ||
| 10mg | 558.00 € | ||
| 50mg | 2,024.00 € |
Estimated delivery in United States, on Monday 30 Dec 2024
rac 2-Isopropyl Pentanoic Acid (Sodium Valproate Impurity C)
Controlled ProductCAS:62391-99-5
Impurity Valproic Acid USP Related Compound B Applications A constitutional isomer of Valproic acid; a …
Formula:
C8H16O2
Color and Shape:
Colourless To Light Yellow
Molecular weight:
144.21
Ref: TR-I872870
| 50mg | 214.00 € | ||
| 100mg | 273.00 € | ||
| 250mg | 683.00 € |
Estimated delivery in United States, on Monday 30 Dec 2024
Pimozide N-Oxide
CAS:1083078-88-9
Applications Pimozide N-Oxide is an impurity of Pimozide (P447800) with hERG inhibitory activity. Pimozide impurity …
Formula:
C28H29F2N3O2
Color and Shape:
Off White Powder
Molecular weight:
477.54
Ref: TR-P447810
| 10mg | 315.00 € | ||
| 100mg | 2,039.00 € |
Estimated delivery in United States, on Monday 30 Dec 2024
![3-[2-(Diaminomethyleneamino)-1,3-thiazol-4-ylmethylsulphinyl]-N-sulphamoylpropanamidineFamotidine …](https://static.cymitquimica.com/products/TR/thumb/D416368.jpg)
3-[2-(Diaminomethyleneamino)-1,3-thiazol-4-ylmethylsulphinyl]-N-sulphamoylpropanamidineFamotidine Sulfoxide
Controlled ProductCAS:90237-03-9
Applications An intermediate in the synthesis of the metabolite of the drug Famotidine (F102250(P)), which …
Formula:
C8H15N7O3S3
Color and Shape:
Neat
Molecular weight:
353.44
Ref: TR-D416368
| 10mg | 246.00 € | ||
| 100mg | 1,613.00 € |
Estimated delivery in United States, on Monday 30 Dec 2024
![2-[3-(Methylamino)-1-(2-thienyl)propyl]-1-naphthalenol Hydrochloride](https://static.cymitquimica.com/products/TR/thumb/M287210.jpg)
2-[3-(Methylamino)-1-(2-thienyl)propyl]-1-naphthalenol Hydrochloride
Controlled ProductCAS:1033719-36-6
Impurity Duloxetine EP Impurity E Stability Hygroscopic Applications 2-[3-(Methylamino)-1-(2-thienyl)propyl]-1-naphthalenol (Duloxetine EP Impurity E) is an …
Formula:
C18H19NOS•HCl
Color and Shape:
Neat
Molecular weight:
297.423646
Ref: TR-M287210
| 5mg | 330.00 € | ||
| 50mg | 2,170.00 € |
Estimated delivery in United States, on Monday 30 Dec 2024
Ethylene Terephthalate Cyclic Dimer
CAS:24388-68-9
Applications Ethylene Terephthalate Cyclic Dimer is an impurity in the synthesis of Ethylene Terephthalate Cyclic …
Formula:
C20H16O8
Color and Shape:
White To Brown
Molecular weight:
384.3362
Ref: TR-E918170
| 1mg | 343.00 € | ||
| 10mg | 2,494.00 € | ||
| 2500µg | 764.00 € |
Estimated delivery in United States, on Monday 30 Dec 2024
21-Acetoxy-11Beta-hydroxy-16Alpha,17Alpha-propylmethylenedioxpregna-1,4-diene-3,20-dione
Controlled ProductCAS:51333-05-2
Formula:
C27H36O7
Color and Shape:
Off White
Molecular weight:
472.57
Ref: TR-A165740
| 1mg | 123.00 € | ||
| 10mg | 275.00 € | ||
| 100mg | 1,800.00 € |
Estimated delivery in United States, on Monday 30 Dec 2024
![21-Chloro-17Alpha-[(2-furanylcarbonxyl)oxy]-9Beta,11Beta-oxido-16Alpha-methylpregna-1,4-diene-3,20…](https://static.cymitquimica.com/products/TR/thumb/C366525.jpg)
21-Chloro-17Alpha-[(2-furanylcarbonxyl)oxy]-9Beta,11Beta-oxido-16Alpha-methylpregna-1,4-diene-3,20-dioneMometasone Furoate Impurity D
CAS:83881-09-8
Impurity Mometasone Furoate EP Impurity D Applications A21-Chloro-17α-[(2-furanylcarbonxyl)oxy]-9β,11β-oxido-16α-methylpregna-1,4-diene-3,20-dione (Mometasone EP Impurity D) is a impurity …
Formula:
C27H29ClO6
Color and Shape:
White To Off-White
Molecular weight:
484.97
Ref: TR-C366525
| 10mg | 413.00 € | ||
| 100mg | 2,923.00 € | ||
| 2500µg | 222.00 € |
Estimated delivery in United States, on Monday 30 Dec 2024
N-Acetyl Sulfamethoxazole-d4 (major)
Controlled ProductCAS:1215530-54-3
Formula:
C12H4H9N3O4S
Color and Shape:
Light Orange Light Brown
Molecular weight:
299.34
Ref: TR-A187886
| 10mg | 272.00 € | ||
| 100mg | 1,782.00 € |
Estimated delivery in United States, on Monday 30 Dec 2024
![Ethyl 5-Methyl-6-oxo-5,6-dihydro-4H-benzo[f]imidazo[1,5-a][1,4]diazepine-3-carboxylate](https://static.cymitquimica.com/products/TR/thumb/E923525.jpg)
Ethyl 5-Methyl-6-oxo-5,6-dihydro-4H-benzo[f]imidazo[1,5-a][1,4]diazepine-3-carboxylate
Controlled ProductCAS:78756-03-3
Impurity Flumazenil EP Impurity E Applications Ethyl 5-Methyl-6-oxo-5,6-dihydro-4H-benzo[f]imidazo[1,5-a][1,4]diazepine-3-carboxylate (Flumazenil EP Impurity E) is used in …
Formula:
C15H15N3O3
Color and Shape:
Neat
Molecular weight:
285.30
Ref: TR-E923525
| 1mg | 88.00 € | ||
| 10mg | 513.00 € |
Estimated delivery in United States, on Monday 30 Dec 2024
