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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
25-Desacetyl Rifampicin
REF: TR-D288726CAS: 16783-99-6 		- - -310.00 €~1,941.00 €Mon 28 Oct 24
TRC logo
5-(3-((1H-1,2,4-Triazol-1-yl)methyl)-3-hydroxy-4,4-dimethylpentyl)-2-chlorophenol
REF: TR-T767575		- - -316.00 €~2,036.00 €Mon 28 Oct 24
TRC logo
Vitamin D3 Octanoate (90%)
REF: TR-V676105CAS: 927822-16-0 		90%241.00 €~1,615.00 €Mon 28 Oct 24
TRC logo
1-Methyl-2-(methylthio)imidazole
REF: TR-M330840CAS: 14486-52-3 		- - -284.00 €~1,873.00 €Mon 28 Oct 24
TRC logo
(R,S)-N-Nitroso Anatabine-2,4,5,6-d4 (0.1 mg/mL in Methanol)
REF: TR-KIT0780CAS: 1020719-69-0 		- - -500.00 €Mon 28 Oct 24
TRC logo
6alpha-Oxycodol
REF: TR-O870580CAS: 7183-69-9 		- - -337.00 €~2,109.00 €Mon 28 Oct 24
TRC logo
4-Hydroxy Atorvastatin-d5 Hemicalcium Salt
REF: TR-H828937CAS: 265989-45-5 		- - -457.00 €~3,108.00 €Mon 28 Oct 24
TRC logo
Tetraphenylstannane-d20
REF: TR-T310522CAS: 358731-93-8 		- - -272.00 €~1,742.00 €Mon 28 Oct 24
TRC logo
3,5-Diiodo Thyroacetic Acid
REF: TR-D455140CAS: 1155-40-4 		- - -275.00 €~831.00 €Mon 28 Oct 24
TRC logo
(±)-Albuterol-d3 (3-Hydroxymethyl-d2; a-d1)
REF: TR-A514507CAS: 1219798-60-3 		- - -785.00 €~1,304.00 €Mon 28 Oct 24
TRC logo
Chlorhexidine Diacetate Impurity A
REF: TR-C334995CAS: 152504-08-0 		- - -259.00 €~1,237.00 €Mon 28 Oct 24
TRC logo
Isopropyl Paraben
REF: TR-I872860CAS: 4191-73-5 		- - -259.00 €~557.00 €Mon 28 Oct 24
TRC logo
N-(2-Succinyl) Fluvoxamine
REF: TR-S688800CAS: 259526-43-7 		- - -332.00 €~2,128.00 €Mon 28 Oct 24
TRC logo
Ramiprilat
REF: TR-R111010CAS: 87269-97-4 		- - -232.00 €~754.00 €Mon 28 Oct 24
TRC logo
9,11-Anhydrobudesonide(Mixture of Diastereomers)
REF: TR-B689470CAS: 313474-58-7 		- - -312.00 €~1,981.00 €Mon 28 Oct 24
TRC logo
(R,S)-Nornicotine
REF: TR-N757000CAS: 5746-86-1 		- - -183.00 €~260.00 €Mon 28 Oct 24
TRC logo
2-(Dimethylaminomethyl)-4-(2-aminoethylthiomethyl)thiazole
REF: TR-D461050CAS: 78441-62-0 		- - -137.00 €~240.00 €Mon 28 Oct 24
TRC logo
Apatinib-d8 25-N-Oxide Dihydrochloride
REF: TR-A726162CAS: 1376710-40-5 		- - -315.00 €~2,039.00 €Mon 28 Oct 24
TRC logo
Campesteryl Ferulate
REF: TR-C155368CAS: 20972-07-0 		- - -325.00 €~2,074.00 €Mon 28 Oct 24
TRC logo
11-Keto Fusidic Acid
REF: TR-K188990CAS: 16711-91-4 		- - -409.00 €~2,772.00 €Mon 28 Oct 24
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25-Desacetyl Rifampicin
TRC logo
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25-Desacetyl Rifampicin

CAS:16783-99-6
Stability Light Sensitive Applications A metabolite of Rifampicin. References Blumenfeld,O.O., et al.: J. Biol. Chem., …
Formula:
C41H56N4O11
Color and Shape:
Dark Red To Black
Molecular weight:
780.90

Ref: TR-D288726

1mg310.00 €
5mg1,179.00 €
10mg1,941.00 €
Estimated delivery in United States, on Monday 28 Oct 2024
+ info
discount label
5-(3-((1H-1,2,4-Triazol-1-yl)methyl)-3-hydroxy-4,4-dimethylpentyl)-2-chlorophenol
TRC logo
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5-(3-((1H-1,2,4-Triazol-1-yl)methyl)-3-hydroxy-4,4-dimethylpentyl)-2-chlorophenol

Controlled Product
Formula:
C16H22ClN3O2
Color and Shape:
Neat
Molecular weight:
323.82

Ref: TR-T767575

1mg316.00 €
10mg2,036.00 €
Estimated delivery in United States, on Monday 28 Oct 2024
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discount label
Vitamin D3 Octanoate (90%)
TRC logo
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Vitamin D3 Octanoate (90%)

Controlled Product
CAS:927822-16-0
Stability Temperature Sensitive Applications Vitamin D3 Octanoate is a degradation product of Vitamin D3 (V676045. …
Formula:
C35H58O2
Purity:
90%
Color and Shape:
Neat
Molecular weight:
510.83

Ref: TR-V676105

10mg241.00 €
50mg1,036.00 €
100mg1,615.00 €
Estimated delivery in United States, on Monday 28 Oct 2024
+ info
discount label
1-Methyl-2-(methylthio)imidazole
TRC logo
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1-Methyl-2-(methylthio)imidazole

CAS:14486-52-3
Impurity Methimazole USP Related Compound C Applications 1-Methyl-2-(methylthio)imidazole (Methimazole USP Related Compound C) is an …
Formula:
C5H8N2S
Color and Shape:
Neat
Molecular weight:
128.20

Ref: TR-M330840

250mg284.00 €
2500mg1,873.00 €
Estimated delivery in United States, on Monday 28 Oct 2024
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discount label
(R,S)-N-Nitroso Anatabine-2,4,5,6-d4 (0.1 mg/mL in Methanol)
TRC logo
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(R,S)-N-Nitroso Anatabine-2,4,5,6-d4 (0.1 mg/mL in Methanol)

Controlled Product
CAS:1020719-69-0
Formula:
C10H4H7N3O
Color and Shape:
Single Solution
Molecular weight:
193.24

Ref: TR-KIT0780

5x1ml500.00 €
Estimated delivery in United States, on Monday 28 Oct 2024
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6alpha-Oxycodol
TRC logo
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6alpha-Oxycodol

Controlled Product
CAS:7183-69-9
Applications 6α-Oxycodol is a dihydro metabolite of the analgesic opiate Oxycodone (O870600). References Ishida, T. …
Formula:
C18H23NO4
Color and Shape:
Neat
Molecular weight:
317.40

Ref: TR-O870580

10mg337.00 €
100mg2,109.00 €
Estimated delivery in United States, on Monday 28 Oct 2024
+ info
discount label
4-Hydroxy Atorvastatin-d5 Hemicalcium Salt
TRC logo
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4-Hydroxy Atorvastatin-d5 Hemicalcium Salt

Controlled Product
CAS:265989-45-5
Applications di(4-Hydroxy Atorvastatin-d5) Calcium Salt is a labeled metabolite of Atorvastatin Calcium Salt (A791750), a …
Formula:
C66H58D10CaF2N4O12
Color and Shape:
Beige Solid
Molecular weight:
1197.4

Ref: TR-H828937

1mg457.00 €
10mg3,108.00 €
Estimated delivery in United States, on Monday 28 Oct 2024
+ info
discount label
Tetraphenylstannane-d20
TRC logo
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Tetraphenylstannane-d20

Controlled Product
CAS:358731-93-8
Applications Tetraphenylstannane-d20 is an isotope labelled organometallic compound and an intermediate in the synthesis of …
Formula:
C24D20Sn
Color and Shape:
White To Off-White
Molecular weight:
447.25

Ref: TR-T310522

25mg1,742.00 €
2500µg272.00 €
Estimated delivery in United States, on Monday 28 Oct 2024
+ info
discount label
3,5-Diiodo Thyroacetic Acid
TRC logo
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3,5-Diiodo Thyroacetic Acid

CAS:1155-40-4
Applications The acetic acid analog of Thyroxine. A potent Thyroxine impurity. References Horst, C., et …
Formula:
C14H10I2O4
Color and Shape:
Off-White To Light Brown
Molecular weight:
496.04

Ref: TR-D455140

25mg275.00 €
50mg473.00 €
100mg831.00 €
Estimated delivery in United States, on Monday 28 Oct 2024
+ info
discount label
(±)-Albuterol-d3 (3-Hydroxymethyl-d2; a-d1)
TRC logo
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(±)-Albuterol-d3 (3-Hydroxymethyl-d2; a-d1)

Controlled Product
CAS:1219798-60-3
Stability Hygroscopic Applications (±)-Albuterol-d3 (3-hydroxymethyl-d2; alpha-d1) (CAS# 1219798-60-3) is a useful isotopically labeled research compound.
Formula:
C13H3H18NO3
Color and Shape:
Off-White
Molecular weight:
242.33

Ref: TR-A514507

5mg785.00 €
10mg1,304.00 €
Estimated delivery in United States, on Monday 28 Oct 2024
+ info
discount label
Chlorhexidine Diacetate Impurity A
TRC logo
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Chlorhexidine Diacetate Impurity A

Controlled Product
CAS:152504-08-0
Formula:
C16H24ClN9
Color and Shape:
Neat
Molecular weight:
377.88

Ref: TR-C334995

1mg259.00 €
5mg869.00 €
10mg1,237.00 €
Estimated delivery in United States, on Monday 28 Oct 2024
+ info
discount label
Isopropyl Paraben
TRC logo
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Isopropyl Paraben

CAS:4191-73-5
Applications An antimicrobial agent used in cosmetic products. References Gilliland, D., et al.: J. Appl. …
Formula:
C10H12O3
Color and Shape:
Off-White
Molecular weight:
180.20

Ref: TR-I872860

1g259.00 €
5g395.00 €
10g557.00 €
Estimated delivery in United States, on Monday 28 Oct 2024
+ info
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N-(2-Succinyl) Fluvoxamine
TRC logo
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N-(2-Succinyl) Fluvoxamine

CAS:259526-43-7
Stability Moisture Sensitive Applications Fluvoxamine impurity. References Wieling, J., et al.: J. Chromatogr., 635, 195 …
Formula:
C19H25F3N2O6
Color and Shape:
Neat
Molecular weight:
434.41

Ref: TR-S688800

5mg332.00 €
25mg1,386.00 €
50mg2,128.00 €
Estimated delivery in United States, on Monday 28 Oct 2024
+ info
discount label
Ramiprilat
TRC logo
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Ramiprilat

Controlled Product
CAS:87269-97-4
Impurity Ramipril EP Impurity E Stability Hygroscopic Applications Ramiprilat (Ramipril EP Impurity E) is a …
Formula:
C21H28N2O5
Color and Shape:
Light Yellow
Molecular weight:
388.46

Ref: TR-R111010

5mg401.00 €
10mg754.00 €
2500µg232.00 €
Estimated delivery in United States, on Monday 28 Oct 2024
+ info
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9,11-Anhydrobudesonide(Mixture of Diastereomers)
TRC logo
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9,11-Anhydrobudesonide(Mixture of Diastereomers)

Controlled Product
CAS:313474-58-7
Impurity Budesonide EP Impurity H Applications 9,11-Anhydrobudesonide (Budesonide EP Impurity H) is an impurity of …
Formula:
C25H32O5
Color and Shape:
Neat
Molecular weight:
412.52

Ref: TR-B689470

5mg312.00 €
50mg1,981.00 €
Estimated delivery in United States, on Monday 28 Oct 2024
+ info
discount label
(R,S)-Nornicotine
TRC logo
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(R,S)-Nornicotine

Controlled Product
CAS:5746-86-1
Impurity Nicotine USP Related Compound F (3-(pyrrolidine-2-yl)pyridine) Stability Light Sensitive Applications (RS)-Nornicotine is a tobacco …
Formula:
C9H12N2
Color and Shape:
Colourless To Light Yellow
Molecular weight:
148.20

Ref: TR-N757000

25mg183.00 €
50mg241.00 €
100mg260.00 €
Estimated delivery in United States, on Monday 28 Oct 2024
+ info
discount label
2-(Dimethylaminomethyl)-4-(2-aminoethylthiomethyl)thiazole
TRC logo
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2-(Dimethylaminomethyl)-4-(2-aminoethylthiomethyl)thiazole

CAS:78441-62-0
Impurity Nizatidine EP Impurity D Applications 2-(Dimethylaminomethyl)-4-(2-aminoethylthiomethyl)thiazole (Nizatidine EP Impurity D) is a Nizatidine intermediate.
Formula:
C9H17N3S2
Color and Shape:
Neat
Molecular weight:
231.38

Ref: TR-D461050

1g240.00 €
500mg137.00 €
Estimated delivery in United States, on Monday 28 Oct 2024
+ info
discount label
Apatinib-d8 25-N-Oxide Dihydrochloride
TRC logo
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Apatinib-d8 25-N-Oxide Dihydrochloride

Controlled Product
CAS:1376710-40-5
Applications Labelled Apatinib 25-N-Oxide (A726160). Apatinib 25-N-Oxide is a metabolite of the antiangiogenic agent and …
Formula:
C24H15D8N5O2HCl
Color and Shape:
Neat
Molecular weight:
421.5223646

Ref: TR-A726162

1mg315.00 €
10mg2,039.00 €
Estimated delivery in United States, on Monday 28 Oct 2024
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Campesteryl Ferulate
TRC logo
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Campesteryl Ferulate

Controlled Product
CAS:20972-07-0
Applications Campesteryl Ferulate is a component of γ-​oryzanol with antioxidant activities. References Xu, Z., et …
Formula:
C38H56O4
Color and Shape:
Neat
Molecular weight:
576.85

Ref: TR-C155368

1mg325.00 €
5mg1,195.00 €
10mg2,074.00 €
Estimated delivery in United States, on Monday 28 Oct 2024
+ info
discount label
11-Keto Fusidic Acid
TRC logo
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11-Keto Fusidic Acid

CAS:16711-91-4
Impurity Fusidic Acid EP Impurity H Applications 11-Keto Fusidic Acid (Fusidic Acid EP Impurity H) …
Formula:
C31H46O6
Color and Shape:
Off White Solid
Molecular weight:
514.69

Ref: TR-K188990

5mg409.00 €
10mg767.00 €
50mg2,772.00 €
Estimated delivery in United States, on Monday 28 Oct 2024
+ info
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