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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
Flunarizine-d8 Dihydrochloride
REF: TR-F455202CAS:
- - -215.00 €~1,301.00 €Mon 28 Oct 24
TRC logo
8-Hydroxy Warfarin
REF: TR-H996140CAS: 17834-04-7 		- - -227.00 €~1,965.00 €Mon 28 Oct 24
TRC logo
Mixture of p-Digallic Acid and m-Digallic Acid
REF: TR-D445080CAS:
- - -264.00 €Mon 28 Oct 24
TRC logo
Fumaric Acid Monomethyl Ester
REF: TR-F500390CAS: 2756-87-8 		- - -89.00 €~192.00 €Mon 28 Oct 24
TRC logo
2,5-Hexanedione-d10
REF: TR-H292492CAS: 97135-07-4 		- - -216.00 €~644.00 €Mon 28 Oct 24
TRC logo
Montelukast Sulfoxide(Mixture of Diastereomers)
REF: TR-M568020CAS: 1152185-58-4 		- - -137.00 €~1,877.00 €Mon 28 Oct 24
TRC logo
2-Chloro-1,3-propanediol-d5 (Major) (10 ug/ml in Methanol)
REF: TR-KIT8890CAS: 1216764-05-4 		- - -831.00 €Mon 28 Oct 24
TRC logo
4-(2-Methyl-1-pyrrolidinyl)-7-chloroquinoline
REF: TR-C369990CAS: 6281-58-9 		- - -431.00 €~1,541.00 €Mon 28 Oct 24
TRC logo
4-Hydroxy-N-desbutyl Bupivacaine
REF: TR-H941680CAS: 51989-48-1 		- - -165.00 €~582.00 €Mon 28 Oct 24
TRC logo
14,15-Dehydro Fluocinolone Acetonide
REF: TR-D230135		- - -289.00 €~2,080.00 €Mon 28 Oct 24
TRC logo
Bis(2-chloroethyl)-1,1,2,2-d4-amine Hydrochloride
REF: TR-B418803CAS: 352431-06-2 		- - -227.00 €~1,597.00 €Mon 28 Oct 24
TRC logo
D-Isolysergic Acid Amide
REF: TR-I821055CAS: 2889-26-1 		- - -253.00 €~1,671.00 €Mon 28 Oct 24
TRC logo
3,4-Dihydroxyphenylacetic Acid-13C,18O2
REF: TR-D454252CAS: 1189915-73-8 		- - -308.00 €~2,001.00 €Mon 28 Oct 24
TRC logo
Lithocholic Acid
REF: TR-L469180CAS: 434-13-9 		- - -108.00 €~296.00 €Mon 28 Oct 24
TRC logo
N-Desmethyl Diphenhydramine-d3 Hydrochloride
REF: TR-D291782CAS: 1794759-12-8 		- - -264.00 €~1,754.00 €Mon 28 Oct 24
TRC logo
Dihydrodigoxin (Mixture of Diastereomers)
REF: TR-D452680CAS: 5297-10-9 		- - -330.00 €~2,139.00 €Mon 28 Oct 24
TRC logo
2-Pyridinamine-d4
REF: TR-P991787CAS: 87802-54-8 		- - -260.00 €~854.00 €Mon 28 Oct 24
TRC logo
a-Hydroxy Trimethoprim (Impurity)
REF: TR-H971985CAS: 29606-06-2 		- - -316.00 €~2,018.00 €Mon 28 Oct 24
TRC logo
Rosuvastatin Lactone-D₆
REF: TR-R700552CAS: 503610-43-3 		- - -381.00 €~2,564.00 €Mon 28 Oct 24
TRC logo
16a-Methyl(d3)-9,11-dehydro Prednisolone
REF: TR-M295306CAS: 13209-41-1 		- - -374.00 €Mon 28 Oct 24
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Flunarizine-d8 Dihydrochloride
TRC logo
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Flunarizine-d8 Dihydrochloride

Controlled Product
CAS:1415586-83-2 30484-77-6
Applications Calcium channel blocker; fluorinated derivative of Cinnarizine. Vasodilator (cerebral and peripheral). This is the …
Formula:
C26H20D8Cl2F2N2
Color and Shape:
Neat
Molecular weight:
485.47

Ref: TR-F455202

1mg215.00 €
10mg1,301.00 €
2500µg366.00 €
Estimated delivery in United States, on Monday 28 Oct 2024
+ info
discount label
8-Hydroxy Warfarin
TRC logo
+ info

8-Hydroxy Warfarin

Controlled Product
CAS:17834-04-7
Formula:
C19H16O5
Color and Shape:
Neat
Molecular weight:
324.33

Ref: TR-H996140

1mg227.00 €
5mg527.00 €
25mg1,965.00 €
Estimated delivery in United States, on Monday 28 Oct 2024
+ info
discount label
Mixture of p-Digallic Acid and m-Digallic Acid
TRC logo
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Mixture of p-Digallic Acid and m-Digallic Acid

Controlled Product
CAS:47307-06-2 536-08-3
Stability Hygroscopic Applications Digallic Acid is an intermolecular ester of Gallic acid (G188900), a phenolic …
Formula:
C14H10O9
Color and Shape:
Neat
Molecular weight:
322.22

Ref: TR-D445080

1mg264.00 €
Estimated delivery in United States, on Monday 28 Oct 2024
+ info
discount label
Fumaric Acid Monomethyl Ester
TRC logo
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Fumaric Acid Monomethyl Ester

Controlled Product
CAS:2756-87-8
Applications Fumaric Acid Monomethyl Ester is one of the most bioactive anti-psoriatic fumaric acid ester …
Formula:
C5H6O4
Color and Shape:
Neat
Molecular weight:
130.10

Ref: TR-F500390

10g100.00 €
25g192.00 €
50mg89.00 €
Estimated delivery in United States, on Monday 28 Oct 2024
+ info
discount label
2,5-Hexanedione-d10
TRC logo
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2,5-Hexanedione-d10

Controlled Product
CAS:97135-07-4
Applications 2,5-Hexanedione-d10 is the deuterium labelled form of 2,5-Hexanedione (H292490), which is the metabolite implicated …
Formula:
C6D10O2
Color and Shape:
Neat
Molecular weight:
124.2

Ref: TR-H292492

100mg216.00 €
250mg408.00 €
500mg644.00 €
Estimated delivery in United States, on Monday 28 Oct 2024
+ info
discount label
Montelukast Sulfoxide(Mixture of Diastereomers)
TRC logo
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Montelukast Sulfoxide(Mixture of Diastereomers)

CAS:1152185-58-4
Impurity Montelukast EP Impurity C; Montelukast USP Related Compound A; Montelukast Sulfoxid Applications Montelukast Sulfoxide …
Formula:
C35H36ClNO4S
Color and Shape:
Yellow
Molecular weight:
602.18

Ref: TR-M568020

1mg137.00 €
5mg276.00 €
50mg1,877.00 €
Estimated delivery in United States, on Monday 28 Oct 2024
+ info
discount label
2-Chloro-1,3-propanediol-d5 (Major) (10 ug/ml in Methanol)
TRC logo
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2-Chloro-1,3-propanediol-d5 (Major) (10 ug/ml in Methanol)

Controlled Product
CAS:1216764-05-4
Formula:
C3H5H2ClO2
Color and Shape:
Colourless
Molecular weight:
115.57

Ref: TR-KIT8890

20x1ml831.00 €
Estimated delivery in United States, on Monday 28 Oct 2024
+ info
discount label
4-(2-Methyl-1-pyrrolidinyl)-7-chloroquinoline
TRC logo
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4-(2-Methyl-1-pyrrolidinyl)-7-chloroquinoline

Controlled Product
CAS:6281-58-9
Formula:
C14H15ClN2
Color and Shape:
Neat
Molecular weight:
246.74

Ref: TR-C369990

5mg431.00 €
10mg807.00 €
25mg1,541.00 €
Estimated delivery in United States, on Monday 28 Oct 2024
+ info
discount label
4-Hydroxy-N-desbutyl Bupivacaine
TRC logo
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4-Hydroxy-N-desbutyl Bupivacaine

Controlled Product
CAS:51989-48-1
Applications Bupivacaine metabolite. References Goehl, T. J. et al.: Xenobiotica 3, 761 (1973)
Formula:
C14H20N2O2
Color and Shape:
Neat
Molecular weight:
248.32

Ref: TR-H941680

5mg165.00 €
10mg252.00 €
25mg582.00 €
Estimated delivery in United States, on Monday 28 Oct 2024
+ info
discount label
14,15-Dehydro Fluocinolone Acetonide
TRC logo
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14,15-Dehydro Fluocinolone Acetonide

Impurity Fluocinolone Acetonide EP Impurity I Applications 14,15-Dehydro Fluocinolone Acetonide is an impurity of Fluocinolone …
Formula:
C24H28F2O6
Color and Shape:
Neat
Molecular weight:
450.47

Ref: TR-D230135

1mg289.00 €
5mg1,215.00 €
10mg2,080.00 €
Estimated delivery in United States, on Monday 28 Oct 2024
+ info
discount label
Bis(2-chloroethyl)-1,1,2,2-d4-amine Hydrochloride
TRC logo
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Bis(2-chloroethyl)-1,1,2,2-d4-amine Hydrochloride

Controlled Product
CAS:352431-06-2
Applications Isotope labelled Bis(2-chloroethyl)amine is a cytotoxic metabolite of Cyclophosphamide; a deuterated analog of Nor-nitrogen …
Formula:
C4H4H5Cl2N·ClH
Color and Shape:
Neat
Molecular weight:
182.51

Ref: TR-B418803

10mg227.00 €
100mg1,597.00 €
Estimated delivery in United States, on Monday 28 Oct 2024
+ info
discount label
D-Isolysergic Acid Amide
TRC logo
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D-Isolysergic Acid Amide

Controlled Product
CAS:2889-26-1
Applications D-Isolysergic Acid Amide is a psychotropic alkaloid found in the seeds of Argyreia nervosa …
Formula:
C16H17N3O
Color and Shape:
Neat
Molecular weight:
267.33

Ref: TR-I821055

5mg253.00 €
50mg1,671.00 €
Estimated delivery in United States, on Monday 28 Oct 2024
+ info
discount label
3,4-Dihydroxyphenylacetic Acid-13C,18O2
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3,4-Dihydroxyphenylacetic Acid-13C,18O2

CAS:1189915-73-8
Applications A labelled metabolite of Dopamine. References Johnson, S., et al.: J. Physiol., 450, 455 …
Formula:
C713CH8O218O2
Color and Shape:
Neat
Molecular weight:
173.14

Ref: TR-D454252

1mg308.00 €
10mg2,001.00 €
Estimated delivery in United States, on Monday 28 Oct 2024
+ info
discount label
Lithocholic Acid
TRC logo
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Lithocholic Acid

Controlled Product
CAS:434-13-9
Applications A cholic acid derivative as TGR5 modulator. Found in ox bile, human bile, rabbit …
Formula:
C24H40O3
Color and Shape:
White To Off-White
Molecular weight:
376.57

Ref: TR-L469180

1g156.00 €
25g296.00 €
50mg108.00 €
Estimated delivery in United States, on Monday 28 Oct 2024
+ info
discount label
N-Desmethyl Diphenhydramine-d3 Hydrochloride
TRC logo
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N-Desmethyl Diphenhydramine-d3 Hydrochloride

Controlled Product
CAS:1794759-12-8
Applications Labelled N-Desmethyl Diphenhydramine (D291780). N-Desmethyl Diphenhydramine is an impurity of Diphenhydramine (D486900) with antihistaminic …
Formula:
C16H17D3ClNO
Color and Shape:
Neat
Molecular weight:
280.81

Ref: TR-D291782

25mg1,754.00 €
2500µg264.00 €
Estimated delivery in United States, on Monday 28 Oct 2024
+ info
discount label
Dihydrodigoxin (Mixture of Diastereomers)
TRC logo
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Dihydrodigoxin (Mixture of Diastereomers)

Controlled Product
CAS: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

10mg330.00 €
100mg2,139.00 €
Estimated delivery in United States, on Monday 28 Oct 2024
+ info
discount label
2-Pyridinamine-d4
TRC logo
+ info

2-Pyridinamine-d4

Controlled Product
CAS:87802-54-8
Applications 2-Pyridinamine-d4 is a labelled intermediate in the synthesis of Methylphenidate (M325880), an CNS stimulant.
Formula:
C5H2D4N2
Color and Shape:
Neat
Molecular weight:
98.14

Ref: TR-P991787

10mg260.00 €
25mg545.00 €
50mg854.00 €
Estimated delivery in United States, on Monday 28 Oct 2024
+ info
discount label
a-Hydroxy Trimethoprim (Impurity)
TRC logo
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a-Hydroxy Trimethoprim (Impurity)

Controlled Product
CAS:29606-06-2
Applications α-Hydroxy Trimethoprim is an impurity of Trimethoprim (T795615), an antibacterial agent that is commonly …
Formula:
C14H18N4O4
Color and Shape:
Off White Solid
Molecular weight:
306.32

Ref: TR-H971985

25mg316.00 €
250mg2,018.00 €
Estimated delivery in United States, on Monday 28 Oct 2024
+ info
discount label
Rosuvastatin Lactone-D₆
TRC logo
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Rosuvastatin Lactone-D₆

Controlled Product
CAS:503610-43-3
Formula:
C22H20D6FN3O5S
Color and Shape:
Neat
Molecular weight:
469.56

Ref: TR-R700552

1mg381.00 €
10mg2,564.00 €
Estimated delivery in United States, on Monday 28 Oct 2024
+ info
discount label
16a-Methyl(d3)-9,11-dehydro Prednisolone
TRC logo
+ info

16a-Methyl(d3)-9,11-dehydro Prednisolone

Controlled Product
CAS:13209-41-1
Formula:
C22D3H25O4
Color and Shape:
Neat
Molecular weight:
359.47

Ref: TR-M295306

10mg374.00 €
Estimated delivery in United States, on Monday 28 Oct 2024
+ info
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