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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
2-Chlorobenzhydrol
REF: TR-C427550CAS: 6954-45-6 		- - -134.00 €Mon 23 Dec 24
TRC logo
4-(2-Oxo-1,2,3,4-tetrahydroquinolin-6-yl)oxy Cilostazol
REF: TR-O870440CAS: 1796891-27-4 		- - -316.00 €~13,548.00 €Mon 23 Dec 24
TRC logo
Cetirizine Propanediol Ester Dihydrochloride(Mixture of regioisomers)
REF: TR-C291155		- - -325.00 €~2,139.00 €Mon 23 Dec 24
TRC logo
5-Amino-N1-methyl-1H-imidazole-1,4-dicarboxamide
REF: TR-A616300CAS: 188612-53-5 		- - -454.00 €~1,654.00 €Mon 23 Dec 24
TRC logo
N-Desmethyl Dextrorphan-d3
REF: TR-D291592CAS: 873691-34-0 		- - -382.00 €~2,616.00 €Mon 23 Dec 24
TRC logo
16-Methyl-17,20:20,21-bis[methylenebis(oxy)]-pregn-4-ene-3,11-dione
REF: TR-M293570CAS: 3386-78-5 		- - -360.00 €~1,581.00 €Mon 23 Dec 24
TRC logo
Roxatidine Hemioxalate
REF: TR-R700860CAS: 110925-92-3 		- - -244.00 €~1,753.00 €Mon 23 Dec 24
TRC logo
D,L-O-Desmethyl Venlafaxine-d10
REF: TR-D296504CAS: 1062607-49-1 		- - -323.00 €~2,043.00 €Mon 23 Dec 24
TRC logo
Chloroform (Anhydrous) Contains Amylenes as stabilizer
REF: TR-C366491CAS: 67-66-3 		- - -100.00 €~208.00 €Mon 23 Dec 24
TRC logo
Palbociclib N-Beta-D-Glucuronide Sodium Salt (Technical Grade, ~65%)
REF: TR-P139910CAS: 571190-30-2 		~65%470.00 €~3,125.00 €Mon 23 Dec 24
TRC logo
N-Boc-piperazine-d8
REF: TR-B662002CAS: 1126621-86-0 		- - -252.00 €~854.00 €Mon 23 Dec 24
Biosynth logo
Caspofungin impurity A
REF: 3D-IC139026CAS: 1202167-57-4 		Min. 95%8,694.00 €~12,172.00 €Fri 27 Dec 24
Biosynth logo
(2R,3R,4R,5S,6S)-2-(Acetoxymethyl)-6-(4-chloro-3-(4-(((R)-tetrahydrofuran-3-yl)oxy)benzyl)phenyl)tetrahydro-2H-pyran-3,4,5-triyl tri acetate
REF: 3D-IA184160CAS: 915095-98-6 		Min. 95%3,304.00 €~4,985.00 €Fri 27 Dec 24
Targetmol logo
IEM 1754 2HBr
REF: TM-T6134CAS: 162831-31-4 		99.71% - 99.72%35.00 €~221.00 €Tue 07 Jan 25
TRC logo
Dihydroxy Tiagabine (Mixture of Diastereomers)
REF: TR-D455030CAS: 157925-28-5 		- - -315.00 €~2,041.00 €Tue 14 Jan 25
TRC logo
7-Hydroxy-5-methoxy-4-methyl-6-[2-(tetrahydro-2-methyl-5-oxo-2-furanyl)ethyl]-1(3H)-isobenzofuranone
REF: TR-H805085CAS: 26675-76-3 		- - -259.00 €~1,774.00 €Tue 14 Jan 25
TRC logo
2,4-Xylenesulfonic Acid Hydrate
REF: TR-X749495CAS: 58811-92-0 		- - -241.00 €~268.00 €Tue 14 Jan 25
TRC logo
rel-(R*,S*)-Bicalutamide Sulfoxide
REF: TR-B382045CAS: 1080647-26-2 		- - -272.00 €~1,779.00 €Tue 14 Jan 25
TRC logo
N-[[4-(3-Methoxypropoxy)-3-methyl-2-pyridinyl]methyl] Rabeprazole Sulfide
REF: TR-M265175CAS: 1114543-47-3 		- - -269.00 €~1,779.00 €Tue 14 Jan 25
TRC logo
2-Debenzoyl-2-tigloyl 10-Deacetyl Baccatin III
REF: TR-D203500CAS: 171926-87-7 		- - -316.00 €~3,772.00 €Tue 14 Jan 25
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2-Chlorobenzhydrol
TRC logo
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2-Chlorobenzhydrol

Controlled Product
CAS:6954-45-6
Applications 2-Chlorobenzhydrol is used as a reagent in the synthesis of bifonazole analogs which have …
Formula:
C13H11ClO
Color and Shape:
Neat
Molecular weight:
218.68

Ref: TR-C427550

100mg134.00 €
Estimated delivery in United States, on Monday 23 Dec 2024
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4-(2-Oxo-1,2,3,4-tetrahydroquinolin-6-yl)oxy Cilostazol
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4-(2-Oxo-1,2,3,4-tetrahydroquinolin-6-yl)oxy Cilostazol

Controlled Product
CAS:1796891-27-4
Stability Light Sensitive Applications An impurity of Cilostazol (C441500) which is a potent phosphodiesterase III …
Formula:
C29H34N6O4
Color and Shape:
Neat
Molecular weight:
530.62

Ref: TR-O870440

5mg316.00 €
50mg2,117.00 €
500mg13,548.00 €
Estimated delivery in United States, on Monday 23 Dec 2024
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Cetirizine Propanediol Ester Dihydrochloride(Mixture of regioisomers)
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Cetirizine Propanediol Ester Dihydrochloride(Mixture of regioisomers)

Controlled Product
Applications Cetirizine Propanediol Ester Dihydrochloride, is the Cetirizine (C281100) impurity, which is nonsedating type histamine …
Formula:
C24H33Cl3N2O4
Color and Shape:
Neat
Molecular weight:
519.89

Ref: TR-C291155

50mg325.00 €
500mg2,139.00 €
Estimated delivery in United States, on Monday 23 Dec 2024
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5-Amino-N1-methyl-1H-imidazole-1,4-dicarboxamide
TRC logo
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5-Amino-N1-methyl-1H-imidazole-1,4-dicarboxamide

Controlled Product
CAS:188612-53-5
Applications 5-Amino-N1-methyl-1H-imidazole-1,4-dicarboxamide is a metabolite of Temozolomide (T017775); an imidazotetrazine alkylating agent and antineoplastic. References …
Formula:
C6H9N5O2
Color and Shape:
Off-White
Molecular weight:
183.17

Ref: TR-A616300

5mg454.00 €
10mg843.00 €
25mg1,654.00 €
Estimated delivery in United States, on Monday 23 Dec 2024
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N-Desmethyl Dextrorphan-d3
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N-Desmethyl Dextrorphan-d3

Controlled Product
CAS:873691-34-0
Applications A labelled metabolite of Dextrorphan. References Heinkele, G., et al.: J. Label Compd. Radiopharm., …
Formula:
C16H3H18NO
Color and Shape:
Neat
Molecular weight:
246.36

Ref: TR-D291592

1mg382.00 €
10mg2,616.00 €
Estimated delivery in United States, on Monday 23 Dec 2024
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16-Methyl-17,20:20,21-bis[methylenebis(oxy)]-pregn-4-ene-3,11-dione
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16-Methyl-17,20:20,21-bis[methylenebis(oxy)]-pregn-4-ene-3,11-dione

Controlled Product
CAS:3386-78-5
Formula:
C24H32O6
Color and Shape:
Neat
Molecular weight:
416.51

Ref: TR-M293570

10mg360.00 €
25mg835.00 €
50mg1,581.00 €
Estimated delivery in United States, on Monday 23 Dec 2024
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Roxatidine Hemioxalate
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Roxatidine Hemioxalate

Controlled Product
CAS:110925-92-3
Applications The major metabolite of Roxatidine Acetate (R700870). References Ward, D., et al.: J. Med. …
Formula:
C17H26N2O3·C2H2O4
Color and Shape:
Neat
Molecular weight:
396.43

Ref: TR-R700860

25mg1,753.00 €
2500µg244.00 €
Estimated delivery in United States, on Monday 23 Dec 2024
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D,L-O-Desmethyl Venlafaxine-d10
TRC logo
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D,L-O-Desmethyl Venlafaxine-d10

Controlled Product
CAS:1062607-49-1
Applications D,L-O-Desmethyl Venlafaxine-d10, is the labeled analogue of D,L-O-Desmethyl Venlafaxine (D296500), a metabolite of Venlafaxine …
Formula:
C16H10H15NO2
Color and Shape:
White Solid
Molecular weight:
273.44

Ref: TR-D296504

1mg323.00 €
10mg2,043.00 €
Estimated delivery in United States, on Monday 23 Dec 2024
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Chloroform (Anhydrous) Contains Amylenes as stabilizer
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Chloroform (Anhydrous) Contains Amylenes as stabilizer

CAS:67-66-3
Applications Chloroform is generally used in NMR spectroscopy as a solvent, in trimethylsilane solution. It …
Formula:
CHCl3
Color and Shape:
Neat
Molecular weight:
119.38

Ref: TR-C366491

100ml100.00 €
250ml119.00 €
500ml208.00 €
Estimated delivery in United States, on Monday 23 Dec 2024
+ info
discount label
Palbociclib N-Beta-D-Glucuronide Sodium Salt (Technical Grade, ~65%)
TRC logo
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Palbociclib N-Beta-D-Glucuronide Sodium Salt (Technical Grade, ~65%)

Controlled Product
CAS:571190-30-2
Applications Palbociclib N-β-D-Glucuronide is a derivative of Palbociclib (P139900) which is an experimental drug for …
Formula:
C30H36N7NaO8
Purity:
~65%
Color and Shape:
Neat
Molecular weight:
645.64

Ref: TR-P139910

1mg470.00 €
5mg1,683.00 €
10mg3,125.00 €
Estimated delivery in United States, on Monday 23 Dec 2024
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N-Boc-piperazine-d8
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N-Boc-piperazine-d8

Controlled Product
CAS:1126621-86-0
Applications N-Boc-piperazine-d8 is a useful synthetic intermediate for the preparation of labelled compounds.
Formula:
C9H8H10N2O2
Color and Shape:
Light Yellow
Molecular weight:
194.30

Ref: TR-B662002

100mg252.00 €
250mg509.00 €
500mg854.00 €
Estimated delivery in United States, on Monday 23 Dec 2024
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Caspofungin impurity A
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Caspofungin impurity A

CAS:1202167-57-4
Caspofungin impurity A is an impurity found in caspofungin, a drug used to treat fungal …
Formula:
C51H86N10O15
Purity:
Min. 95%
Color and Shape:
Powder
Molecular weight:
1,079.29 g/mol

Ref: 3D-IC139026

5mg8,694.00 €
10mg12,172.00 €
Estimated delivery in United States, on Friday 27 Dec 2024
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discount label
(2R,3R,4R,5S,6S)-2-(Acetoxymethyl)-6-(4-chloro-3-(4-(((R)-tetrahydrofuran-3-yl)oxy)benzyl)phenyl)t…
Biosynth logo
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(2R,3R,4R,5S,6S)-2-(Acetoxymethyl)-6-(4-chloro-3-(4-(((R)-tetrahydrofuran-3-yl)oxy)benzyl)phenyl)tetrahydro-2H-pyran-3,4,5-triyl tri acetate

CAS:915095-98-6
Please enquire for more information about (2R,3R,4R,5S,6S)-2-(Acetoxymethyl)-6-(4-chloro-3-(4-(((R)-tetrahydrofuran-3-yl)oxy)benzyl)phenyl)tetrahydro-2H-pyran-3,4,5-triyl tri acetate including the price, delivery time and …
Formula:
C31H35ClO11
Purity:
Min. 95%
Molecular weight:
619.06 g/mol

Ref: 3D-IA184160

1g4,985.00 €
500mg3,304.00 €
Estimated delivery in United States, on Friday 27 Dec 2024
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IEM 1754 2HBr
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IEM 1754 2HBr

CAS:162831-31-4
IEM 1754 2HBr (IEM 1754 dihydrobromide) is a selective AMPA/kainate receptor blockers for GluR1 and …
Formula:
C16H30N2·2HBr
Purity:
99.71% - 99.72%
Color and Shape:
Solid
Molecular weight:
412.25

Ref: TM-T6134

5mg35.00 €
10mg52.00 €
25mg94.00 €
50mg154.00 €
100mg221.00 €
1mL*10mM (DMSO)60.00 €
Estimated delivery in United States, on Tuesday 7 Jan 2025
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Dihydroxy Tiagabine (Mixture of Diastereomers)
TRC logo
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Dihydroxy Tiagabine (Mixture of Diastereomers)

Controlled Product
CAS:157925-28-5
Applications Dihydroxy Tiagabine is an impurity of the GABA uptake inhibitor Tiagabine (T436400). References Hubert-Roux, …
Formula:
C20H27NO4S2
Color and Shape:
Neat
Molecular weight:
409.56

Ref: TR-D455030

10mg315.00 €
100mg2,041.00 €
Estimated delivery in United States, on Tuesday 14 Jan 2025
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7-Hydroxy-5-methoxy-4-methyl-6-[2-(tetrahydro-2-methyl-5-oxo-2-furanyl)ethyl]-1(3H)-isobenzofurano…
TRC logo
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7-Hydroxy-5-methoxy-4-methyl-6-[2-(tetrahydro-2-methyl-5-oxo-2-furanyl)ethyl]-1(3H)-isobenzofuranone

Controlled Product
CAS:26675-76-3
Formula:
C17H20O6
Color and Shape:
Neat
Molecular weight:
320.34

Ref: TR-H805085

5mg259.00 €
25mg1,022.00 €
50mg1,774.00 €
Estimated delivery in United States, on Tuesday 14 Jan 2025
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discount label
2,4-Xylenesulfonic Acid Hydrate
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2,4-Xylenesulfonic Acid Hydrate

Controlled Product
CAS:58811-92-0
Applications 2,4-Xylenesulfonic Acid, is used for the preparation of 2,4,5,6-Tetrachloro-m-xylene (T291555). It is also an …
Formula:
C8H10O3S·H2O
Color and Shape:
Off-White
Molecular weight:
204.243

Ref: TR-X749495

5g241.00 €
10g268.00 €
Estimated delivery in United States, on Tuesday 14 Jan 2025
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rel-(R*,S*)-Bicalutamide Sulfoxide
TRC logo
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rel-(R*,S*)-Bicalutamide Sulfoxide

Controlled Product
CAS:1080647-26-2
Formula:
C18H14F4N2O3S
Color and Shape:
Neat
Molecular weight:
414.37

Ref: TR-B382045

25mg272.00 €
250mg1,779.00 €
Estimated delivery in United States, on Tuesday 14 Jan 2025
+ info
discount label
N-[[4-(3-Methoxypropoxy)-3-methyl-2-pyridinyl]methyl] Rabeprazole Sulfide
TRC logo
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N-[[4-(3-Methoxypropoxy)-3-methyl-2-pyridinyl]methyl] Rabeprazole Sulfide

Controlled Product
CAS:1114543-47-3
Applications Rabeprazole (R070500) N-aralkyl impurity. References Fujisaki, H., et al.: Biochem. Pharmacol., 42, 321 (1991), …
Formula:
C29H36N4O4S
Color and Shape:
Neat
Molecular weight:
536.69

Ref: TR-M265175

50mg269.00 €
500mg1,779.00 €
Estimated delivery in United States, on Tuesday 14 Jan 2025
+ info
discount label
2-Debenzoyl-2-tigloyl 10-Deacetyl Baccatin III
TRC logo
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2-Debenzoyl-2-tigloyl 10-Deacetyl Baccatin III

Controlled Product
CAS:171926-87-7
Applications 2-Debenzoyl-2-tigloyl 10-Deacetyl Baccatin III is a new analog of 10-Deacetylbaccatin III (D198250). References Gabetta, …
Formula:
C27H38O10
Color and Shape:
Neat
Molecular weight:
522.58

Ref: TR-D203500

10mg3,772.00 €
500µg316.00 €
Estimated delivery in United States, on Tuesday 14 Jan 2025
+ info
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