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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
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
4’-Hydroxy Flurbiprofen
REF: TR-H942440CAS: 52807-12-2 		- - -356.00 €~2,372.00 €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
Venlafaxine-d6 N-Oxide
REF: TR-V120022CAS: 1094598-37-4 		- - -330.00 €~2,136.00 €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
5-Hydroxyindole-3-acetic Acid-13C3
REF: TR-H953604CAS: 51-16-0 		- - -368.00 €~2,534.00 €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
Isopropyl Benzenesulfonate
REF: TR-I824350CAS: 6214-18-2 		- - -233.00 €~1,617.00 €Mon 28 Oct 24
TRC logo
Glutathione (glycine-13C2,15N) Sodium Salt
REF: TR-G597952CAS: 815610-65-2 		- - -328.00 €~2,073.00 €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
Diclofenac Ethyl Ester
REF: TR-D436495CAS: 15307-77-4 		- - -207.00 €~690.00 €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
Thioridazine 2-Sulfone
REF: TR-T368810CAS: 14759-06-9 		- - -321.00 €~2,117.00 €Mon 28 Oct 24
TRC logo
2-Cyclopentyl-2-hydroxy-2-phenylacetic Acid
REF: TR-C989315CAS: 427-49-6 		- - -116.00 €~173.00 €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
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8-Hydroxy Warfarin
TRC logo
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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
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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
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4’-Hydroxy Flurbiprofen
TRC logo
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4’-Hydroxy Flurbiprofen

Controlled Product
CAS:52807-12-2
Applications A metabolite of Flurbiprofen (F598700), an anti-inflammatory used as an analgesic. Not a dangerous …
Formula:
C15H13FO3
Color and Shape:
Neat
Molecular weight:
260.26

Ref: TR-H942440

5mg356.00 €
10mg645.00 €
50mg2,372.00 €
Estimated delivery in United States, on Monday 28 Oct 2024
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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
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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
Venlafaxine-d6 N-Oxide
TRC logo
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Venlafaxine-d6 N-Oxide

Controlled Product
CAS:1094598-37-4
Applications Labelled Venlafaxine N-Oxide (V120020). Venlafaxine N-Oxide is a prodrug of the antidepressant Venlafaxine ( …
Formula:
C17H21D6NO3
Color and Shape:
White To Off-White
Molecular weight:
299.44

Ref: TR-V120022

1mg330.00 €
5mg1,373.00 €
10mg2,136.00 €
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
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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
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discount label
5-Hydroxyindole-3-acetic Acid-13C3
TRC logo
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5-Hydroxyindole-3-acetic Acid-13C3

Controlled Product
CAS:51-16-0
Stability Light and Air Sensitive Applications 5-Hydroxyindole-3-acetic Acid-13C3 is an isotope labelled analog of 5-hydroxyindole-3-acetic …
Formula:
C713C3H9NO3
Color and Shape:
Neat
Molecular weight:
194.16

Ref: TR-H953604

5mg2,534.00 €
500µg368.00 €
Estimated delivery in United States, on Monday 28 Oct 2024
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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
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discount label
Isopropyl Benzenesulfonate
TRC logo
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Isopropyl Benzenesulfonate

CAS:6214-18-2
Applications A sulfonate ester as potential genotoxic impurity in drug substances. It may exert genotoxic …
Formula:
C9H12O3S
Color and Shape:
Colourless
Molecular weight:
200.25

Ref: TR-I824350

10mg233.00 €
25mg453.00 €
100mg1,617.00 €
Estimated delivery in United States, on Monday 28 Oct 2024
+ info
discount label
Glutathione (glycine-13C2,15N) Sodium Salt
TRC logo
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Glutathione (glycine-13C2,15N) Sodium Salt

CAS:815610-65-2
Applications Glutathione-glycine-13C2,15N Disodium Salt, is the labelled disodium salt derivative of Glutathione (G597951), a tripeptide …
Formula:
C813C2H17N215NO6S•xNa
Color and Shape:
Neat
Molecular weight:
310.302299

Ref: TR-G597952

1mg328.00 €
10mg2,073.00 €
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
Diclofenac Ethyl Ester
TRC logo
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Diclofenac Ethyl Ester

Controlled Product
CAS:15307-77-4
Impurity Aceclofenac EP Impurity C Applications A Diclofenac derivative as anti-inflammatory and analgesic agent. Aceclofenac …
Formula:
C16H15Cl2NO2
Color and Shape:
Neat
Molecular weight:
324.20

Ref: TR-D436495

50mg207.00 €
100mg303.00 €
250mg690.00 €
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
Thioridazine 2-Sulfone
TRC logo
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Thioridazine 2-Sulfone

Controlled Product
CAS:14759-06-9
Impurity Thioridazine EP Impurity E Applications Thioridazine 2-Sulfone (Thioridazine EP Impurity E) is a major …
Formula:
C21H26N2O2S2
Color and Shape:
Neat
Molecular weight:
402.57

Ref: TR-T368810

5mg321.00 €
50mg2,117.00 €
Estimated delivery in United States, on Monday 28 Oct 2024
+ info
discount label
2-Cyclopentyl-2-hydroxy-2-phenylacetic Acid
TRC logo
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2-Cyclopentyl-2-hydroxy-2-phenylacetic Acid

CAS:427-49-6
Applications 2-Cyclopentyl-2-hydroxy-2-phenylacetic Acid is an impurity of Glycopyrrolate (G657000), a novel pharmaceutical compound based on …
Formula:
C13H16O3
Color and Shape:
Off White To Light Brown
Molecular weight:
220.26

Ref: TR-C989315

1g116.00 €
5g173.00 €
Estimated delivery in United States, on Monday 28 Oct 2024
+ info
discount label
3,4-Dihydroxyphenylacetic Acid-13C,18O2
TRC logo
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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
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