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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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BrandProduct dataPurityPrice rangeEstimated delivery
TRC logo
Dasatinib-d8 N-Oxide
REF: TR-D193612CAS: 1189988-36-0 		- - -640.00 €~4,417.00 €Tue 15 Apr 25
TRC logo
13-cis Retinoic Acid Methyl Ester
REF: TR-C499700CAS: 16760-45-5 		- - -207.00 €Tue 15 Apr 25
TRC logo
S-(2-Hydroxypropyl)glutathione-d6
REF: TR-H952612CAS: 85933-29-5 		- - -398.00 €~2,715.00 €Tue 15 Apr 25
TRC logo
N-Debenzoyl-N-[(3E)-hex-3-enoyl] Paclitaxel
REF: TR-D204050CAS: 502626-06-4 		- - -2,109.00 €Tue 15 Apr 25
TRC logo
4-Oxo-4-[3-(trifluoromethyl)-5,6-dihydro-[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl]-1-(2,4,5-trifluorophenyl)butan-2-one-d4
REF: TR-O864952CAS: 764667-65-4 		- - -343.00 €~1,819.00 €Tue 15 Apr 25
TRC logo
N-(1-Hydroxy-2-(hydroxymethyl)-4-(4-octylphenyl)butan-2-yl)acetamide
REF: TR-H942960CAS: 249289-10-9 		- - -201.00 €~604.00 €Tue 15 Apr 25
TRC logo
1,4'-Bipiperidinyl-4'-carboxamide
REF: TR-B399400CAS: 39633-82-4 		- - -91.00 €~173.00 €Tue 15 Apr 25
TRC logo
9-(2,5-d|-Dioxo-L-3-amino-1-pyrrolidineacetic acid)-10-deglycine Daptomycin
REF: TR-D486355CAS: 121869-35-0 		- - -372.00 €~3,788.00 €Tue 15 Apr 25
TRC logo
Lopinavir N2,N5-(2,6-Xylyloxy)acetyl Impurity
REF: TR-L469560CAS: 667904-94-1 		- - -1,568.00 €Tue 15 Apr 25
TRC logo
N8-Desethylcarbamoyl-N1-ethylcarbamoyl Cabergoline
REF: TR-D289545CAS: 166533-36-4 		- - -365.00 €~2,534.00 €Tue 15 Apr 25
TRC logo
Tadalafil Ketolactam (>90%)
REF: TR-T004535CAS: 1346605-38-6 		>90%782.00 €~3,021.00 €Tue 15 Apr 25
TRC logo
N-(2,2,Dimethyl-1-oxopropyl)-Amoxicillin Potassium Salt (~80%)
REF: TR-A634517CAS: 1313237-94-3 		~80%352.00 €~2,322.00 €Tue 15 Apr 25
TRC logo
Risperidone 9-Ethylidenecarboxylate Hydrochloride
REF: TR-R525045		- - -282.00 €~1,899.00 €Tue 15 Apr 25
TRC logo
Lopinavir Metabolite M-3/M-4
REF: TR-L469490CAS: 357275-54-8 		- - -736.00 €Tue 15 Apr 25
TRC logo
Dexamfetamine-D6 Hydrochloride (~94 : 6 e.r.)
REF: TR-A634249CAS: 205437-62-3 		- - -293.00 €Tue 15 Apr 25
TRC logo
rac 2-Chloro Nicotine
REF: TR-C380565CAS: 871894-35-8 		- - -252.00 €~2,342.00 €Tue 15 Apr 25
TRC logo
N-(3-Methylbenzoyl)-glycine-d7 Ethyl Ester
REF: TR-M275157CAS: 330466-40-5 		- - -624.00 €Tue 15 Apr 25
TRC logo
Curcumin Beta-D-Glucuronide-d3 Sodium Salt
REF: TR-C838507CAS: 227466-72-0 		- - -415.00 €~2,759.00 €Tue 15 Apr 25
TRC logo
2-Desmethylene-2-chloromethyl Ethacrynic Acid
REF: TR-D291660CAS: 27929-18-6 		- - -1,695.00 €~2,120.00 €Tue 15 Apr 25
TRC logo
2,3-Dibromo-1-propan-1,1,2,3,3-d5-ol
REF: TR-D425522CAS: 117662-57-4 		- - -568.00 €Tue 15 Apr 25
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Dasatinib-d8 N-Oxide
TRC logo
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Dasatinib-d8 N-Oxide

Controlled Product
CAS:1189988-36-0
Applications The labelled oxidative metabolite of Dasatinib (M5 metabolite). It is a COVID19-related research product. …
Formula:
C22H18D8ClN7O3S
Color and Shape:
Neat
Molecular weight:
512.05

Ref: TR-D193612

5mg4,417.00 €
500µg640.00 €
Estimated delivery in United States, on Tuesday 15 Apr 2025
+ info
discount label
13-cis Retinoic Acid Methyl Ester
TRC logo
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13-cis Retinoic Acid Methyl Ester

CAS:16760-45-5
Formula:
C21H30O2
Color and Shape:
Neat
Molecular weight:
314.46

Ref: TR-C499700

5mg207.00 €
Estimated delivery in United States, on Tuesday 15 Apr 2025
+ info
discount label
S-(2-Hydroxypropyl)glutathione-d6
TRC logo
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S-(2-Hydroxypropyl)glutathione-d6

Controlled Product
CAS:85933-29-5
Applications A labelled biliary glutamylcysteinylglycine (GSH) conjugate metabolite of 1,2-dibromo-3-chloropropane (DBCP). References Pearson, P.G. et …
Formula:
C13H17D6N3O7S
Color and Shape:
Neat
Molecular weight:
371.44

Ref: TR-H952612

1mg398.00 €
10mg2,715.00 €
Estimated delivery in United States, on Tuesday 15 Apr 2025
+ info
discount label
N-Debenzoyl-N-[(3E)-hex-3-enoyl] Paclitaxel
TRC logo
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N-Debenzoyl-N-[(3E)-hex-3-enoyl] Paclitaxel

CAS:502626-06-4
Formula:
C46H55NO14
Color and Shape:
Neat
Molecular weight:
845.93

Ref: TR-D204050

10mg2,109.00 €
Estimated delivery in United States, on Tuesday 15 Apr 2025
+ info
discount label
4-Oxo-4-[3-(trifluoromethyl)-5,6-dihydro-[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl]-1-(2,4,5-trifluor…
TRC logo
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4-Oxo-4-[3-(trifluoromethyl)-5,6-dihydro-[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl]-1-(2,4,5-trifluorophenyl)butan-2-one-d4

Controlled Product
CAS:764667-65-4
Applications Isotope labelled Sitagliptin (S491000) intermediate. A dipeptidyl peptidase-4 inhibitor and an anti-hypertensive agent for …
Formula:
C16H8D4F6N4O2
Color and Shape:
Neat
Molecular weight:
410.31

Ref: TR-O864952

1mg343.00 €
5mg1,266.00 €
10mg1,819.00 €
Estimated delivery in United States, on Tuesday 15 Apr 2025
+ info
discount label
N-(1-Hydroxy-2-(hydroxymethyl)-4-(4-octylphenyl)butan-2-yl)acetamide
TRC logo
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N-(1-Hydroxy-2-(hydroxymethyl)-4-(4-octylphenyl)butan-2-yl)acetamide

CAS:249289-10-9
Formula:
C21H35NO3
Color and Shape:
Neat
Molecular weight:
349.51

Ref: TR-H942960

50mg201.00 €
100mg252.00 €
500mg604.00 €
Estimated delivery in United States, on Tuesday 15 Apr 2025
+ info
discount label
1,4'-Bipiperidinyl-4'-carboxamide
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1,4'-Bipiperidinyl-4'-carboxamide

Controlled Product
CAS:39633-82-4
Applications Piritramide intermediate. References Mimura, M., et al.: Chem. Pharm. Bull., 41, 1971 (1993), Wahab, …
Formula:
C11H21N3O
Color and Shape:
Neat
Molecular weight:
211.30

Ref: TR-B399400

2mg91.00 €
5mg146.00 €
10mg173.00 €
Estimated delivery in United States, on Tuesday 15 Apr 2025
+ info
discount label
9-(2,5-d|-Dioxo-L-3-amino-1-pyrrolidineacetic acid)-10-deglycine Daptomycin
TRC logo
+ info

9-(2,5-d|-Dioxo-L-3-amino-1-pyrrolidineacetic acid)-10-deglycine Daptomycin

Controlled Product
CAS:121869-35-0
Applications 9-(2,5-d|Dioxo-L-3-amino-1-pyrrolidineacetic acid)-10-deglycine Daptomycin is a stereoisomer of Daptomycin (D193350), cyclic lipopeptide antibiotic derived from …
Formula:
C72H99N17O25
Color and Shape:
Neat
Molecular weight:
1602.66

Ref: TR-D486355

5mg3,788.00 €
500µg372.00 €
Estimated delivery in United States, on Tuesday 15 Apr 2025
+ info
discount label
Lopinavir N2,N5-(2,6-Xylyloxy)acetyl Impurity
TRC logo
+ info

Lopinavir N2,N5-(2,6-Xylyloxy)acetyl Impurity

Controlled Product
CAS:667904-94-1
Applications Lopinavir N2,N5-(2,6-Xylyloxy)acetyl Impurity is an impurity of Lopinavir (L469480), which is a selective HIV …
Formula:
C38H44N2O5
Color and Shape:
Neat
Molecular weight:
608.78

Ref: TR-L469560

100mg1,568.00 €
Estimated delivery in United States, on Tuesday 15 Apr 2025
+ info
discount label
N8-Desethylcarbamoyl-N1-ethylcarbamoyl Cabergoline
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N8-Desethylcarbamoyl-N1-ethylcarbamoyl Cabergoline

CAS:166533-36-4
Impurity Cabergoline EP Impurity B Applications N8-Desethylcarbamoyl-N1-ethylcarbamoyl Cabergoline is the European Pharmacopoeia (EP) Impurity B …
Formula:
C26H37N5O2
Color and Shape:
Off White Solid
Molecular weight:
451.60

Ref: TR-D289545

1mg365.00 €
10mg2,534.00 €
Estimated delivery in United States, on Tuesday 15 Apr 2025
+ info
discount label
Tadalafil Ketolactam (>90%)
TRC logo
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Tadalafil Ketolactam (>90%)

Controlled Product
CAS:1346605-38-6
Stability Hygroscopic, Unstable in Solution Applications Tadalafil Ketolactam is a Tadalafil (T004500) impurity.
Formula:
C22H19N3O6
Purity:
>90%
Color and Shape:
Neat
Molecular weight:
421.4028

Ref: TR-T004535

5mg782.00 €
10mg1,683.00 €
25mg3,021.00 €
Estimated delivery in United States, on Tuesday 15 Apr 2025
+ info
discount label
N-(2,2,Dimethyl-1-oxopropyl)-Amoxicillin Potassium Salt (~80%)
TRC logo
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N-(2,2,Dimethyl-1-oxopropyl)-Amoxicillin Potassium Salt (~80%)

Controlled Product
CAS:1313237-94-3
Applications N-(2,2,Dimethyl-1-oxopropyl)-Amoxicillin is a derivative of Amoxicillin (A634235), a β-lactam family antibiotic that is commonly …
Formula:
C21H26KN3O6S
Purity:
~80%
Color and Shape:
Neat
Molecular weight:
487.61

Ref: TR-A634517

10mg352.00 €
100mg2,322.00 €
Estimated delivery in United States, on Tuesday 15 Apr 2025
+ info
discount label
Risperidone 9-Ethylidenecarboxylate Hydrochloride
TRC logo
+ info

Risperidone 9-Ethylidenecarboxylate Hydrochloride

Controlled Product
Applications Risperidone 9-Ethylidenecarboxylate Hydrochloride, is the derivative of Risperidone (R525000), which is combined serotonin (5-HT2) …
Formula:
C25H27FN4O4
Color and Shape:
Neat
Molecular weight:
466.503646

Ref: TR-R525045

5mg282.00 €
50mg1,899.00 €
Estimated delivery in United States, on Tuesday 15 Apr 2025
+ info
discount label
Lopinavir Metabolite M-3/M-4
TRC logo
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Lopinavir Metabolite M-3/M-4

Controlled Product
CAS:357275-54-8
Applications A major metabolite of Lopinavir (L469480) . It is a COVID19-related research product. References …
Formula:
C37H48N4O6
Color and Shape:
Neat
Molecular weight:
644.80

Ref: TR-L469490

1mg736.00 €
Estimated delivery in United States, on Tuesday 15 Apr 2025
+ info
discount label
Dexamfetamine-D6 Hydrochloride (~94 : 6 e.r.)
TRC logo
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Dexamfetamine-D6 Hydrochloride (~94 : 6 e.r.)

Controlled Product
CAS:205437-62-3
Formula:
C9H7D6N•HCl
Color and Shape:
Neat
Molecular weight:
141.243646

Ref: TR-A634249

1mg293.00 €
Estimated delivery in United States, on Tuesday 15 Apr 2025
+ info
discount label
rac 2-Chloro Nicotine
TRC logo
+ info

rac 2-Chloro Nicotine

Controlled Product
CAS:871894-35-8
Applications 2-Chloro-rac-Nicotine is a metabolite of rac-Nicotine (N412420); an active stimulant having both addictive and …
Formula:
C10H13ClN2
Color and Shape:
Neat
Molecular weight:
196.68

Ref: TR-C380565

1mg252.00 €
5mg688.00 €
25mg2,342.00 €
Estimated delivery in United States, on Tuesday 15 Apr 2025
+ info
discount label
N-(3-Methylbenzoyl)-glycine-d7 Ethyl Ester
TRC logo
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N-(3-Methylbenzoyl)-glycine-d7 Ethyl Ester

Controlled Product
CAS:330466-40-5
Formula:
C12H8D7NO3
Color and Shape:
Neat
Molecular weight:
228.3

Ref: TR-M275157

5mg624.00 €
Estimated delivery in United States, on Tuesday 15 Apr 2025
+ info
discount label
Curcumin Beta-D-Glucuronide-d3 Sodium Salt
TRC logo
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Curcumin Beta-D-Glucuronide-d3 Sodium Salt

Controlled Product
CAS:227466-72-0
Applications Curcumin β-D-Glucuronide-d3 Sodium Salt is the labelled analogue of Curcumin β-D-Glucuronide Sodium Salt, which …
Formula:
C27H25D3O12•x(Na)
Color and Shape:
Neat
Molecular weight:
547.522299

Ref: TR-C838507

1mg415.00 €
10mg2,759.00 €
Estimated delivery in United States, on Tuesday 15 Apr 2025
+ info
discount label
2-Desmethylene-2-chloromethyl Ethacrynic Acid
TRC logo
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2-Desmethylene-2-chloromethyl Ethacrynic Acid

Controlled Product
CAS:27929-18-6
Impurity Etacrynic Acid EP Impurity B Applications 2-Desmethylene-2-chloromethyl Ethacrynic Acid is an impurity of Ethacrynic …
Formula:
C13H13Cl3O4
Color and Shape:
Neat
Molecular weight:
339.60

Ref: TR-D291660

25mg1,695.00 €
Estimated delivery in United States, on Tuesday 15 Apr 2025
+ info
discount label
2,3-Dibromo-1-propan-1,1,2,3,3-d5-ol
TRC logo
+ info

2,3-Dibromo-1-propan-1,1,2,3,3-d5-ol

Controlled Product
CAS:117662-57-4
Applications 2,3-Dibromo-1-propan-1,1,2,3,3-d5-ol is a labelled analogue of 2,3-Dibromo-1-propanol (D425522), which is a metabolite of the …
Formula:
C3HD5Br2O
Color and Shape:
Neat
Molecular weight:
222.92

Ref: TR-D425522

10mg568.00 €
Estimated delivery in United States, on Tuesday 15 Apr 2025
+ info
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