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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
4-Methylamino-d3 Antipyrine
REF: TR-M285602CAS: 1246820-06-3 		- - -276.00 €~1,845.00 €Mon 28 Oct 24
TRC logo
Telmisartan Impurity B
REF: TR-T017005CAS: 1026438-56-1 		- - -338.00 €~5,339.00 €Mon 28 Oct 24
TRC logo
Gliclazide Impurity D
REF: TR-G409885CAS: 1136426-19-1 		- - -364.00 €~1,433.00 €Mon 28 Oct 24
TRC logo
Teneligliptin Sulfoxide(Mixture of Diastereomers)
REF: TR-T018325		- - -310.00 €~1,997.00 €Mon 28 Oct 24
TRC logo
20(R)-Hydroxy Prednisolone
REF: TR-H952361CAS: 15847-24-2 		- - -252.00 €~1,020.00 €Mon 28 Oct 24
TRC logo
Promethazine N-Oxide
REF: TR-P757020CAS: 81480-39-9 		- - -321.00 €~2,079.00 €Mon 28 Oct 24
TRC logo
6-Chloro-2,3-dimethyl-1-phenyl-1H-benzo[d]imidazol-3-ium Chloride
REF: TR-C367230CAS: 75524-10-6 		- - -330.00 €~2,139.00 €Mon 28 Oct 24
TRC logo
5,8-Epoxy-13-cis Retinoic Acid(Mixture of Diastereomers)
REF: TR-E589820CAS: 112018-12-9 		- - -1,451.00 €~4,230.00 €Mon 28 Oct 24
TRC logo
5,6-Dihydrouridine
REF: TR-D449668CAS: 5627-05-4 		- - -109.00 €~654.00 €Mon 28 Oct 24
TRC logo
Dexamfetamine-d3 Hydrochloride
REF: TR-A634246CAS: 1246819-55-5 		- - -323.00 €~2,039.00 €Mon 28 Oct 24
TRC logo
Fenbutrazate
REF: TR-F247250CAS: 4378-36-3 		- - -332.00 €~2,257.00 €Mon 28 Oct 24
TRC logo
nPOC-POC Tenofovir Fumarate(Mixture of Diastereomers)
REF: TR-P680505CAS: 1217542-13-6 		- - -626.00 €~4,441.00 €Mon 28 Oct 24
TRC logo
1-(3,4,5-Trimethoxybenzyl)piperazine
REF: TR-T796025CAS: 52146-35-7 		- - -180.00 €~315.00 €Mon 28 Oct 24
TRC logo
Anecortave
REF: TR-A637640CAS: 7753-60-8 		- - -118.00 €~248.00 €Mon 28 Oct 24
TRC logo
2H-2-Ethyl Candesartan Cilexetil
REF: TR-E900875CAS: 914613-36-8 		- - -324.00 €~2,074.00 €Mon 28 Oct 24
TRC logo
5[(R)-(2-Aminopropyl)]-2-methoxybenzenesulfonamide Hydrochloride
REF: TR-A628700CAS: 112101-75-4 		- - -118.00 €~808.00 €Mon 28 Oct 24
TRC logo
5b-Dihydro Progesterone-d8
REF: TR-D449282CAS: 128-23-4 		- - -240.00 €~1,568.00 €Mon 28 Oct 24
TRC logo
4’-Hydroxy Tamoxifen-d6 (contains up to 10% E isomer)
REF: TR-H954732CAS: 1346606-80-1 		- - -316.00 €~2,081.00 €Mon 28 Oct 24
TRC logo
6-Acetyl Morphine
REF: TR-A186900CAS: 2784-73-8 		- - -106.00 €~458.00 €Mon 28 Oct 24
TRC logo
Oxalic Acid-(1,2-13C2)
REF: TR-O845123CAS: 62654-02-8 		- - -177.00 €~373.00 €Mon 28 Oct 24
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4-Methylamino-d3 Antipyrine
TRC logo
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4-Methylamino-d3 Antipyrine

Controlled Product
CAS:1246820-06-3
Applications A labelled metabolite of Dipyrone, a nonsteroidal anti-inflammatory drug. References Kujubu, D., et al.: …
Formula:
C12H12D3N3O
Color and Shape:
Yellow To Dark Yellow
Molecular weight:
220.29

Ref: TR-M285602

1mg276.00 €
10mg1,845.00 €
Estimated delivery in United States, on Monday 28 Oct 2024
+ info
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Telmisartan Impurity B
TRC logo
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Telmisartan Impurity B

CAS:1026438-56-1
Formula:
C37H38N4O2
Color and Shape:
Neat
Molecular weight:
570.723

Ref: TR-T017005

50mg338.00 €
Estimated delivery in United States, on Monday 28 Oct 2024
+ info
discount label
Gliclazide Impurity D
TRC logo
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Gliclazide Impurity D

CAS:1136426-19-1
Applications Gliclazide Impurity D is a manufacturing impurity of the drug Gliclazide (G409875) which is …
Formula:
C15H20N2O3S
Color and Shape:
Off White
Molecular weight:
308.3959

Ref: TR-G409885

10mg364.00 €
25mg789.00 €
50mg1,433.00 €
Estimated delivery in United States, on Monday 28 Oct 2024
+ info
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Teneligliptin Sulfoxide(Mixture of Diastereomers)
TRC logo
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Teneligliptin Sulfoxide(Mixture of Diastereomers)

Controlled Product
Applications Teneligliptin Sulfoxide, is an impurity of Teneligliptin (T018300) which is a dipeptidyl peptidase-4 (DPP-4) …
Formula:
C22H30N6O2S
Color and Shape:
Neat
Molecular weight:
442.58

Ref: TR-T018325

1mg310.00 €
10mg1,997.00 €
Estimated delivery in United States, on Monday 28 Oct 2024
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20(R)-Hydroxy Prednisolone
TRC logo
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20(R)-Hydroxy Prednisolone

Controlled Product
CAS:15847-24-2
Applications Prednisolone (P703740) metabolite. References Garg, V., et al.: Biopharm. Drug Disposition, 15, 163 (1994), …
Formula:
C21H30O5
Color and Shape:
Off-White
Molecular weight:
362.46

Ref: TR-H952361

5mg252.00 €
10mg331.00 €
50mg1,020.00 €
Estimated delivery in United States, on Monday 28 Oct 2024
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Promethazine N-Oxide
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Promethazine N-Oxide

CAS:81480-39-9
Applications Promethazine N-Oxide is a metabolite of Promethazine (P757000). References Luo, H., et al.: Xenobiotica, …
Formula:
C17H20N2OS
Color and Shape:
Neat
Molecular weight:
300.4185

Ref: TR-P757020

10mg321.00 €
100mg2,079.00 €
Estimated delivery in United States, on Monday 28 Oct 2024
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6-Chloro-2,3-dimethyl-1-phenyl-1H-benzo[d]imidazol-3-ium Chloride
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6-Chloro-2,3-dimethyl-1-phenyl-1H-benzo[d]imidazol-3-ium Chloride

CAS:75524-10-6
Applications 6-Chloro-2,3-dimethyl-1-phenyl-1H-benzo[d]imidazol-3-ium Chloride is a degradation product of Clobazam (C582500), a benzodiazepine psychotherapeutic agent that …
Formula:
C15H14ClN2·Cl
Color and Shape:
Neat
Molecular weight:
293.191

Ref: TR-C367230

5mg330.00 €
50mg2,139.00 €
Estimated delivery in United States, on Monday 28 Oct 2024
+ info
discount label
5,8-Epoxy-13-cis Retinoic Acid(Mixture of Diastereomers)
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5,8-Epoxy-13-cis Retinoic Acid(Mixture of Diastereomers)

Controlled Product
CAS:112018-12-9
Applications A metabolite of 13-cis-Retinoic Acid (R250000). References Samokyszyn, V., et al.: J. Biol. Chem., …
Formula:
C20H28O3
Color and Shape:
Neat
Molecular weight:
316.43

Ref: TR-E589820

5mg2,195.00 €
10mg4,230.00 €
2500µg1,451.00 €
Estimated delivery in United States, on Monday 28 Oct 2024
+ info
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5,6-Dihydrouridine
TRC logo
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5,6-Dihydrouridine

Controlled Product
CAS:5627-05-4
Formula:
C9H14N2O6
Color and Shape:
Neat
Molecular weight:
246.22

Ref: TR-D449668

5mg109.00 €
10mg168.00 €
50mg654.00 €
Estimated delivery in United States, on Monday 28 Oct 2024
+ info
discount label
Dexamfetamine-d3 Hydrochloride
TRC logo
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Dexamfetamine-d3 Hydrochloride

Controlled Product
CAS:1246819-55-5
Applications Labelled (S)-Amphetamine. CNS stimulant; anorexic. More active isomer of Amphetamine. Induces release of catecholamines …
Formula:
C9H11D3ClN
Color and Shape:
Neat
Molecular weight:
174.69

Ref: TR-A634246

1mg323.00 €
10mg2,039.00 €
Estimated delivery in United States, on Monday 28 Oct 2024
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Fenbutrazate
TRC logo
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Fenbutrazate

Controlled Product
CAS:4378-36-3
Applications Fenbutrazate is a derivative of Phenmetrazine (P314500). Fenbutrazate is a psychostimulant used as an …
Formula:
C23H29NO3
Color and Shape:
Neat
Molecular weight:
367.48

Ref: TR-F247250

10mg332.00 €
100mg2,257.00 €
Estimated delivery in United States, on Monday 28 Oct 2024
+ info
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nPOC-POC Tenofovir Fumarate(Mixture of Diastereomers)
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nPOC-POC Tenofovir Fumarate(Mixture of Diastereomers)

Controlled Product
CAS:1217542-13-6
Stability Hygroscopic Applications Tenofovir (T018500) impurity.
Formula:
C19H30N5O10P·C4H4O4
Color and Shape:
White To Off White
Molecular weight:
635.51

Ref: TR-P680505

1mg626.00 €
5mg2,412.00 €
10mg4,441.00 €
Estimated delivery in United States, on Monday 28 Oct 2024
+ info
discount label
1-(3,4,5-Trimethoxybenzyl)piperazine
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1-(3,4,5-Trimethoxybenzyl)piperazine

Controlled Product
CAS:52146-35-7
Impurity Trimetazidine EP impurity A Applications 1-(3,4,5-Trimethoxybenzyl)piperazine is an impurity of Trimetazidine (T795610). Trimetazidine impurity …
Formula:
C14H22N2O3
Color and Shape:
Off White Crystalline Powder
Molecular weight:
266.34

Ref: TR-T796025

100mg180.00 €
250mg315.00 €
Estimated delivery in United States, on Monday 28 Oct 2024
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Anecortave
TRC logo
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Anecortave

CAS:7753-60-8
Impurity Hydrocortisone Acetate EP Impurity E Applications Anecortave (Hydrocortisone Acetate EP Impurity E) is an …
Formula:
C23H30O5
Color and Shape:
Beige
Molecular weight:
386.48

Ref: TR-A637640

5mg118.00 €
25mg164.00 €
100mg248.00 €
Estimated delivery in United States, on Monday 28 Oct 2024
+ info
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2H-2-Ethyl Candesartan Cilexetil
TRC logo
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2H-2-Ethyl Candesartan Cilexetil

Controlled Product
CAS:914613-36-8
Impurity Candesartan Cilexetil EP Impurity F Applications 2H-2-Ethyl Candesartan Cilexetil (Candesartan Cilexetil EP Impurity F) …
Formula:
C35H38N6O6
Color and Shape:
Neat
Molecular weight:
638.71

Ref: TR-E900875

25mg324.00 €
250mg2,074.00 €
Estimated delivery in United States, on Monday 28 Oct 2024
+ info
discount label
5[(R)-(2-Aminopropyl)]-2-methoxybenzenesulfonamide Hydrochloride
TRC logo
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5[(R)-(2-Aminopropyl)]-2-methoxybenzenesulfonamide Hydrochloride

Controlled Product
CAS:112101-75-4
Impurity Tamsulosin EP Impurity B Applications 5[(R)-(2-Aminopropyl)]-2-methoxybenzenesulfonamide Hydrochloride (Tamsulosin EP Impurity B) is a precursor …
Formula:
C10H16N2O3S·ClH
Color and Shape:
Off-White
Molecular weight:
280.77

Ref: TR-A628700

1g244.00 €
5g808.00 €
500mg118.00 €
Estimated delivery in United States, on Monday 28 Oct 2024
+ info
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5b-Dihydro Progesterone-d8
TRC logo
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5b-Dihydro Progesterone-d8

Controlled Product
CAS:128-23-4
Applications 5β-Dihydro Progesterone-d8 is labelled which is labelled 5β-Dihydro Progesterone (D449280), a metabolite of the …
Formula:
C21H24D8O2
Color and Shape:
Neat
Molecular weight:
324.53

Ref: TR-D449282

25mg1,568.00 €
2500µg240.00 €
Estimated delivery in United States, on Monday 28 Oct 2024
+ info
discount label
4’-Hydroxy Tamoxifen-d6 (contains up to 10% E isomer)
TRC logo
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4’-Hydroxy Tamoxifen-d6 (contains up to 10% E isomer)

Controlled Product
CAS:1346606-80-1
Applications A labelled metabolite of Tamoxifen (T006000). References Clarke, R., et al.: Pharmacol. Rev., 53, …
Formula:
C26H23D6NO2
Color and Shape:
Neat
Molecular weight:
393.55

Ref: TR-H954732

1mg316.00 €
10mg2,081.00 €
Estimated delivery in United States, on Monday 28 Oct 2024
+ info
discount label
6-Acetyl Morphine
TRC logo
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6-Acetyl Morphine

Controlled Product
CAS:2784-73-8
Applications A metabolite of Heroin (H281180). Controlled substance. References Oldendorf, W., et al.: Science, 178, …
Formula:
C19H21NO4
Color and Shape:
Neat
Molecular weight:
327.374

Ref: TR-A186900

5mg130.00 €
50mg458.00 €
2500µg106.00 €
Estimated delivery in United States, on Monday 28 Oct 2024
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Oxalic Acid-(1,2-13C2)
TRC logo
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Oxalic Acid-(1,2-13C2)

CAS:62654-02-8
Applications Oxalic Acid-(1,2-13C2) is the labelled analog of Oxalic Acid (O845120) which is an impurity …
Formula:
C2H2O4
Color and Shape:
White To Off-White
Molecular weight:
92.02

Ref: TR-O845123

5mg177.00 €
10mg236.00 €
25mg373.00 €
Estimated delivery in United States, on Monday 28 Oct 2024
+ info
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