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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
7-Amino-3-(1-methyl-5-tetrazolylthio)methyl-3-cephem-4-carboxylic Acid
REF: TR-A618205CAS: 24209-38-9 		- - -325.00 €~850.00 €Mon 28 Oct 24
TRC logo
Dihydro Donepezil(Mixture of Diastereomers)
REF: TR-D449095CAS: 120012-04-6 		- - -220.00 €~1,635.00 €Mon 28 Oct 24
TRC logo
Formoterol-d6 Fumarate
REF: TR-F693403CAS: 43229-80-7 		- - -286.00 €~1,943.00 €Mon 28 Oct 24
TRC logo
2-Amino-N-cyclohexyl-N-methylbenzylamine
REF: TR-A603680CAS: 57365-08-9 		- - -193.00 €~565.00 €Mon 28 Oct 24
TRC logo
3',4'-Dihydroxyacetophenone
REF: TR-D446835CAS: 1197-09-7 		- - -237.00 €~859.00 €Mon 28 Oct 24
TRC logo
17-Epiestriol
REF: TR-E586510CAS: 1228-72-4 		- - -339.00 €~837.00 €Mon 28 Oct 24
TRC logo
3-(N-Acetyl-L-cystein-S-yl) Acetaminophen
REF: TR-P191100CAS: 52372-86-8 		- - -317.00 €~1,981.00 €Mon 28 Oct 24
TRC logo
Ent-Mavacamten
REF: TR-M299820CAS: 1642288-64-9 		- - -196.00 €~1,478.00 €Mon 28 Oct 24
TRC logo
Erythromycin A 9,11-Imino Ether
REF: TR-E650025CAS: 161193-44-8 		- - -242.00 €~1,499.00 €Mon 28 Oct 24
TRC logo
N-Formyl Desloratadine
REF: TR-F700300CAS: 117810-61-4 		- - -343.00 €~2,188.00 €Mon 28 Oct 24
TRC logo
Acetohydrazide-D3
REF: TR-A163772CAS: 1028333-41-6 		- - -237.00 €~1,554.00 €Mon 28 Oct 24
TRC logo
Trametinib Impurity-I
REF: TR-T138340CAS: 1383430-03-2 		- - -192.00 €~1,444.00 €Mon 28 Oct 24
TRC logo
Edaravone Trimer
REF: TR-E335035CAS: 68195-63-1 		- - -225.00 €~1,586.00 €Mon 28 Oct 24
TRC logo
Amisulpride N-Oxide
REF: TR-A633265CAS: 71676-01-2 		- - -324.00 €~1,263.00 €Mon 28 Oct 24
TRC logo
2-(4-(Methylsulfonamido)phenoxy)acetic Acid
REF: TR-M332215CAS: 103790-20-1 		- - -211.00 €~718.00 €Mon 28 Oct 24
TRC logo
Ethionamide Sulfoxide
REF: TR-E890423CAS: 536-28-7 		- - -185.00 €~612.00 €Mon 28 Oct 24
TRC logo
Heptadecanoic Acid 3-[2-[4-(6-Fluoro-1,2-benzisoxazol-3-yl)-1-piperidinyl]ethyl]-6,7,8,9-tetrahydro-2-methyl-4-oxo-4H-pyrido[1,2-a]pyrimidin-9-yl Ester
REF: TR-H281045CAS: 1404053-62-8 		- - -212.00 €~325.00 €Mon 28 Oct 24
TRC logo
trans-Piceatannol
REF: TR-P436300CAS: 10083-24-6 		- - -83.00 €~154.00 €Mon 28 Oct 24
TRC logo
Bisphenol A Diglycidyl Ether
REF: TR-B519500CAS: 1675-54-3 		- - -111.00 €~197.00 €Mon 28 Oct 24
TRC logo
Dihydro Ketoprofen(Mixture of Diastereomers)
REF: TR-D449176CAS: 59960-32-6 		- - -299.00 €~1,963.00 €Mon 28 Oct 24
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7-Amino-3-(1-methyl-5-tetrazolylthio)methyl-3-cephem-4-carboxylic Acid
TRC logo
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7-Amino-3-(1-methyl-5-tetrazolylthio)methyl-3-cephem-4-carboxylic Acid

CAS:24209-38-9
Applications 7-Amino-3-(1-methyl-5-tetrazolylthio)methyl-3-cephem-4-carboxylic Acid is a cephalosporin derivative with antibacterial activity. 7-Amino-3-(1-methyl-5-tetrazolylthio)methyl-3-cephem-4-carboxylic Acid is an intermediate …
Formula:
C10H12N6O3S2
Color and Shape:
Off White Solid
Molecular weight:
328.37

Ref: TR-A618205

1g325.00 €
10g576.00 €
25g850.00 €
Estimated delivery in United States, on Monday 28 Oct 2024
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discount label
Dihydro Donepezil(Mixture of Diastereomers)
TRC logo
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Dihydro Donepezil(Mixture of Diastereomers)

Controlled Product
CAS:120012-04-6
Impurity Donepezil Dihydro Impurity Applications A potential metabolite of Donepezil. References Dooley, M., et al.: …
Formula:
C24H31NO3
Color and Shape:
Neat
Molecular weight:
381.51

Ref: TR-D449095

5mg220.00 €
50mg1,635.00 €
Estimated delivery in United States, on Monday 28 Oct 2024
+ info
discount label
Formoterol-d6 Fumarate
TRC logo
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Formoterol-d6 Fumarate

Controlled Product
CAS:43229-80-7
Stability Hygroscopic Applications Formoterol-d6 Fumarate is the labeled analogue of Formoterol Fumarate (F693401), an impurity …
Formula:
C42H40D12N4O12
Color and Shape:
White To Light Beige
Molecular weight:
816.96

Ref: TR-F693403

5mg1,943.00 €
500µg286.00 €
Estimated delivery in United States, on Monday 28 Oct 2024
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discount label
2-Amino-N-cyclohexyl-N-methylbenzylamine
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2-Amino-N-cyclohexyl-N-methylbenzylamine

Controlled Product
CAS:57365-08-9
Impurity Bromhexine EP Impurity C Applications 2-Amino-N-cyclohexyl-N-methylbenzylamine (Bromhexine EP Impurity C) is an impurity of …
Formula:
C14H22N2
Color and Shape:
Light Yellow Solid
Molecular weight:
218.34

Ref: TR-A603680

1g565.00 €
250mg193.00 €
500mg317.00 €
Estimated delivery in United States, on Monday 28 Oct 2024
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discount label
3',4'-Dihydroxyacetophenone
TRC logo
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3',4'-Dihydroxyacetophenone

Controlled Product
CAS:1197-09-7
Applications 3',4'-Dihydroxyacetophenone is an active constituent of Chinese medicine and also has antimelanogenic actiivity. References …
Formula:
C8H8O3
Color and Shape:
Neat
Molecular weight:
152.15

Ref: TR-D446835

1g319.00 €
5g859.00 €
250mg237.00 €
Estimated delivery in United States, on Monday 28 Oct 2024
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discount label
17-Epiestriol
TRC logo
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17-Epiestriol

Controlled Product
CAS:1228-72-4
Impurity Estriol EP Impurity E Applications 17-Epiestriol (Estriol EP Impurity E) is a metabolite of …
Formula:
C18H24O3
Color and Shape:
White To Light Red
Molecular weight:
288.38

Ref: TR-E586510

5mg449.00 €
10mg837.00 €
2500µg339.00 €
Estimated delivery in United States, on Monday 28 Oct 2024
+ info
discount label
3-(N-Acetyl-L-cystein-S-yl) Acetaminophen
TRC logo
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3-(N-Acetyl-L-cystein-S-yl) Acetaminophen

Controlled Product
CAS:52372-86-8
Stability Very Hygroscopic Applications Paracetamol Mercapturate is a metabolite of Acetaminophen (A161220) (1,2). Acetaminophen is …
Formula:
C13H16N2O5S
Color and Shape:
Neat
Molecular weight:
312.34

Ref: TR-P191100

1mg317.00 €
10mg1,981.00 €
2500µg676.00 €
Estimated delivery in United States, on Monday 28 Oct 2024
+ info
discount label
No image
TRC logo
+ info

Ent-Mavacamten

Controlled Product
CAS:1642288-64-9
Formula:
C15H19N3O2
Color and Shape:
Neat

Ref: TR-M299820

10mg196.00 €
50mg856.00 €
100mg1,478.00 €
Estimated delivery in United States, on Monday 28 Oct 2024
+ info
discount label
Erythromycin A 9,11-Imino Ether
TRC logo
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Erythromycin A 9,11-Imino Ether

Controlled Product
CAS:161193-44-8
Formula:
C37H66N2O12
Color and Shape:
Neat
Molecular weight:
730.93

Ref: TR-E650025

1mg242.00 €
10mg1,499.00 €
2500µg687.00 €
Estimated delivery in United States, on Monday 28 Oct 2024
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discount label
N-Formyl Desloratadine
TRC logo
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N-Formyl Desloratadine

Controlled Product
CAS:117810-61-4
Impurity Desloratadine N-Formyl Impurity; Loratadine N-Formyl Impurity Stability Light Sensitive Applications N-Formyl Desloratadine is an …
Formula:
C20H19ClN2O
Color and Shape:
White
Molecular weight:
338.83

Ref: TR-F700300

1g2,188.00 €
100mg343.00 €
Estimated delivery in United States, on Monday 28 Oct 2024
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discount label
Acetohydrazide-D3
TRC logo
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Acetohydrazide-D3

Controlled Product
CAS:1028333-41-6
Applications cetohydrazide-D3 is a labelled analogue of Acetohydrazide (A163770). Acetohydrazide is a metabolite of Isoniazid …
Formula:
C2H3D3N2O
Color and Shape:
Neat
Molecular weight:
77.1

Ref: TR-A163772

10mg237.00 €
100mg1,554.00 €
Estimated delivery in United States, on Monday 28 Oct 2024
+ info
discount label
Trametinib Impurity-I
TRC logo
+ info

Trametinib Impurity-I

Controlled Product
CAS:1383430-03-2
Formula:
C26H23FIN5O5
Color and Shape:
Neat
Molecular weight:
631.394

Ref: TR-T138340

10mg682.00 €
25mg1,444.00 €
2500µg192.00 €
Estimated delivery in United States, on Monday 28 Oct 2024
+ info
discount label
Edaravone Trimer
TRC logo
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Edaravone Trimer

Controlled Product
CAS:68195-63-1
Formula:
C29H24N6O3
Color and Shape:
Neat
Molecular weight:
504.54

Ref: TR-E335035

10mg225.00 €
50mg851.00 €
100mg1,586.00 €
Estimated delivery in United States, on Monday 28 Oct 2024
+ info
discount label
Amisulpride N-Oxide
TRC logo
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Amisulpride N-Oxide

Controlled Product
CAS:71676-01-2
Impurity Amisulpride EP Impurity F Applications Amisulpride N-Oxide is an impurity of Amisulpride (A633250). Amisulpride …
Formula:
C17H27N3O5S
Color and Shape:
White To Off-White
Molecular weight:
385.48

Ref: TR-A633265

10mg324.00 €
25mg693.00 €
50mg1,263.00 €
Estimated delivery in United States, on Monday 28 Oct 2024
+ info
discount label
2-(4-(Methylsulfonamido)phenoxy)acetic Acid
TRC logo
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2-(4-(Methylsulfonamido)phenoxy)acetic Acid

Controlled Product
CAS:103790-20-1
Applications 2-(4-(Methylsulfonamido)phenoxy)acetic Acid is a metabolite of antiarrhythmic drug Dofetilide (D525700), which is a is …
Formula:
C9H11NO5S
Color and Shape:
Neat
Molecular weight:
245.25

Ref: TR-M332215

25mg211.00 €
100mg718.00 €
Estimated delivery in United States, on Monday 28 Oct 2024
+ info
discount label
Ethionamide Sulfoxide
TRC logo
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Ethionamide Sulfoxide

Controlled Product
CAS:536-28-7
Applications The major metabolite of Ethionamide. References Rivera-Marrero, C., et al.: Microb. Pathog., 25, 307 …
Formula:
C8H10N2OS
Color and Shape:
Neat
Molecular weight:
182.24

Ref: TR-E890423

5mg185.00 €
10mg252.00 €
25mg612.00 €
Estimated delivery in United States, on Monday 28 Oct 2024
+ info
discount label
Heptadecanoic Acid 3-[2-[4-(6-Fluoro-1,2-benzisoxazol-3-yl)-1-piperidinyl]ethyl]-6,7,8,9-tetrahydr…
TRC logo
+ info

Heptadecanoic Acid 3-[2-[4-(6-Fluoro-1,2-benzisoxazol-3-yl)-1-piperidinyl]ethyl]-6,7,8,9-tetrahydro-2-methyl-4-oxo-4H-pyrido[1,2-a]pyrimidin-9-yl Ester

CAS:1404053-62-8
Applications Heptadecanoic Acid 3-[2-[4-(6-Fluoro-1,2-benzisoxazol-3-yl)-1-piperidinyl]ethyl]-6,7,8,9-tetrahydro-2-methyl-4-oxo-4H-pyrido[1,2-a]pyrimidin-9-yl ester is a derivative of Paliperidone palmitate (P141020). Paliperidone palmitate is …
Formula:
C40H59FN4O4
Color and Shape:
White Solid
Molecular weight:
678.92

Ref: TR-H281045

10mg212.00 €
25mg325.00 €
Estimated delivery in United States, on Monday 28 Oct 2024
+ info
discount label
trans-Piceatannol
TRC logo
+ info

trans-Piceatannol

CAS:10083-24-6
Applications A human metabolite of Resveratrol (R150000). Piceatannol is strong anti-oxidant. References Athar, M., et …
Formula:
C14H12O4
Color and Shape:
Neat
Molecular weight:
244.24

Ref: TR-P436300

1mg83.00 €
5mg104.00 €
10mg154.00 €
Estimated delivery in United States, on Monday 28 Oct 2024
+ info
discount label
Bisphenol A Diglycidyl Ether
TRC logo
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Bisphenol A Diglycidyl Ether

Controlled Product
CAS:1675-54-3
Applications Bisphenol A derivative. A PPARγ antagonist; exhibits estrogenic activity. References Krishnan, A.V., et al.: …
Formula:
C21H24O4
Color and Shape:
Colourless
Molecular weight:
340.41

Ref: TR-B519500

25g153.00 €
50g197.00 €
50mg111.00 €
Estimated delivery in United States, on Monday 28 Oct 2024
+ info
discount label
Dihydro Ketoprofen(Mixture of Diastereomers)
TRC logo
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Dihydro Ketoprofen(Mixture of Diastereomers)

CAS:59960-32-6
Applications A metabolite of Ketoprofen. References Jamali, F., et al.: J. Pharma. Sci., 79, 460 …
Formula:
C16H16O3
Color and Shape:
Neat
Molecular weight:
256.30

Ref: TR-D449176

25mg1,963.00 €
2500µg299.00 €
Estimated delivery in United States, on Monday 28 Oct 2024
+ info
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