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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
N-Nitrosodiethylamine
REF: TR-N525465CAS: 55-18-5 		- - -159.00 €~516.00 €Fri 25 Oct 24
TRC logo
Risperidone Carboxylate Impurity
REF: TR-R525025CAS: 1346603-86-8 		- - -192.00 €~1,444.00 €Fri 25 Oct 24
TRC logo
(2R,4R)-Sacubitril
REF: TR-S080910CAS: 766480-48-2 		- - -297.00 €~1,959.00 €Fri 25 Oct 24
TRC logo
Ibuprofen Carboxylic Acid-d3(Mixture of Diastereomers)
REF: TR-I140017CAS: 1216505-29-1 		- - -319.00 €~2,074.00 €Fri 25 Oct 24
TRC logo
Ethyl 5-Methyl-6-oxo-5,6-dihydro-4H-benzo[f]imidazo[1,5-a][1,4]diazepine-3-carboxylate
REF: TR-E923525CAS: 78756-03-3 		- - -88.00 €~2,167.00 €Fri 25 Oct 24
TRC logo
Decarboxylated S-Adenosylmethionine Sulfate Salt
REF: TR-D222000CAS: 67380-81-8 		- - -236.00 €~1,566.00 €Fri 25 Oct 24
TRC logo
(R)-Hydroxy Des(boric Acid) Bortezomib
REF: TR-H935900CAS: 289472-78-2 		- - -321.00 €~2,074.00 €Fri 25 Oct 24
TRC logo
Desmethyl Chlorpheniramine Maleate Salt
REF: TR-D291550CAS: 22630-25-7 		- - -245.00 €~1,649.00 €Fri 25 Oct 24
TRC logo
8-Hydroxy Guanosine-13C,15N2
REF: TR-H942772CAS: 3868-31-3 		- - -881.00 €~6,360.00 €Fri 25 Oct 24
TRC logo
4-Dehydroxy-5-hydroxy Ritonavir
REF: TR-D230645CAS: 202816-62-4 		- - -263.00 €~1,749.00 €Fri 25 Oct 24
TRC logo
1,8-Diethyl-1,3,4,9-tetrahydro-pyrano[3,4-b]indole-1-acetic Acid Methyl Ester
REF: TR-D445035CAS: 122188-02-7 		- - -145.00 €~876.00 €Fri 25 Oct 24
TRC logo
Lincomycin 2-Phosphate
REF: TR-L466205CAS: 27480-30-4 		- - -322.00 €~2,215.00 €Fri 25 Oct 24
TRC logo
BGP 15
REF: TR-B411990CAS: 66611-37-8 		- - -215.00 €~1,587.00 €Fri 25 Oct 24
TRC logo
6-Des(1-methyl-2-benzimidazolyl)-6-carboxy Telmisartan
REF: TR-D291020CAS: 884330-12-5 		- - -125.00 €~376.00 €Fri 25 Oct 24
TRC logo
25-Hydroxy Vitamin D2-d6
REF: TR-H995822CAS: 1262843-46-8 		- - -390.00 €~9,154.00 €Fri 25 Oct 24
TRC logo
N,N'-Bis[4-[2-(N-methylcarbamoyl)-4-pyridyloxy]phenyl]urea
REF: TR-B414180CAS: 284670-98-0 		- - -98.00 €~232.00 €Fri 25 Oct 24
TRC logo
Chlorhexidine Digluconate Impurity N Hydrochloride
REF: TR-C377843CAS: 152504-10-4 		- - -335.00 €~2,149.00 €Fri 25 Oct 24
TRC logo
3-Ethyl-2,5-pyrazinediethanol
REF: TR-E925605CAS: 86917-74-0 		- - -480.00 €~3,321.00 €Fri 25 Oct 24
TRC logo
Finasteride Carboxylic Acid
REF: TR-F342015CAS: 116285-37-1 		- - -319.00 €~2,106.00 €Fri 25 Oct 24
TRC logo
3a,7a-Dihydroxycoprostanic Acid-d3
REF: TR-D452517CAS: 338976-76-4 		- - -316.00 €~2,045.00 €Fri 25 Oct 24
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N-Nitrosodiethylamine
TRC logo
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N-Nitrosodiethylamine

Controlled Product
CAS:55-18-5
Applications N-Nitrosodiethylamine (DEN) is a widely occurring nitrosamine that is one of the most important …
Formula:
C4H10N2O
Color and Shape:
Yellow
Molecular weight:
102.14

Ref: TR-N525465

1g159.00 €
5g305.00 €
10g516.00 €
Estimated delivery in United States, on Friday 25 Oct 2024
+ info
discount label
Risperidone Carboxylate Impurity
TRC logo
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Risperidone Carboxylate Impurity

Controlled Product
CAS:1346603-86-8
Impurity Risperidone EP Impurity F Applications Risperidone Carboxylate Impurity (Risperidone EP Impurity F) is a …
Formula:
C24H27FN4O4
Color and Shape:
Neat
Molecular weight:
454.49

Ref: TR-R525025

10mg192.00 €
100mg1,444.00 €
Estimated delivery in United States, on Friday 25 Oct 2024
+ info
discount label
(2R,4R)-Sacubitril
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(2R,4R)-Sacubitril

CAS:766480-48-2
Applications (2R,4R)-Sacubitril is an impurity of Sacubitril (S080895) which is an antihypertensive drug used in …
Formula:
C24H29NO5
Color and Shape:
Neat
Molecular weight:
411.491

Ref: TR-S080910

1mg297.00 €
5mg1,250.00 €
10mg1,959.00 €
Estimated delivery in United States, on Friday 25 Oct 2024
+ info
discount label
Ibuprofen Carboxylic Acid-d3(Mixture of Diastereomers)
TRC logo
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Ibuprofen Carboxylic Acid-d3(Mixture of Diastereomers)

Controlled Product
CAS:1216505-29-1
Applications The major labelled metabolite of Ibuprofen; may reduce the risk of cataract by protecting …
Formula:
C13H13D3O4
Color and Shape:
Neat
Molecular weight:
239.28

Ref: TR-I140017

1mg319.00 €
10mg2,074.00 €
Estimated delivery in United States, on Friday 25 Oct 2024
+ info
discount label
Ethyl 5-Methyl-6-oxo-5,6-dihydro-4H-benzo[f]imidazo[1,5-a][1,4]diazepine-3-carboxylate
TRC logo
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Ethyl 5-Methyl-6-oxo-5,6-dihydro-4H-benzo[f]imidazo[1,5-a][1,4]diazepine-3-carboxylate

Controlled Product
CAS:78756-03-3
Impurity Flumazenil EP Impurity E Applications Ethyl 5-Methyl-6-oxo-5,6-dihydro-4H-benzo[f]imidazo[1,5-a][1,4]diazepine-3-carboxylate (Flumazenil EP Impurity E) is used in …
Formula:
C15H15N3O3
Color and Shape:
Neat
Molecular weight:
285.30

Ref: TR-E923525

1mg88.00 €
10mg513.00 €
Estimated delivery in United States, on Friday 25 Oct 2024
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discount label
Decarboxylated S-Adenosylmethionine Sulfate Salt
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Decarboxylated S-Adenosylmethionine Sulfate Salt

CAS:67380-81-8
Stability Hygroscopic Applications Decarboxylated S-Adenosylmethionine Sulfate Salt, is a substrate that is involved in the …
Formula:
C14H23N6O3S•H2SO4•HSO4
Color and Shape:
White Solid
Molecular weight:
355.4498079706

Ref: TR-D222000

1mg236.00 €
10mg1,566.00 €
2500µg484.00 €
Estimated delivery in United States, on Friday 25 Oct 2024
+ info
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(R)-Hydroxy Des(boric Acid) Bortezomib
TRC logo
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(R)-Hydroxy Des(boric Acid) Bortezomib

Controlled Product
CAS:289472-78-2
Impurity Bortezomib USP Impurity I Applications (R)-Hydroxy Des(boric acid) Bortezomib is an impurity in the …
Formula:
C19H24N4O3
Color and Shape:
Neat
Molecular weight:
356.42

Ref: TR-H935900

25mg2,074.00 €
2500µg321.00 €
Estimated delivery in United States, on Friday 25 Oct 2024
+ info
discount label
Desmethyl Chlorpheniramine Maleate Salt
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Desmethyl Chlorpheniramine Maleate Salt

CAS:22630-25-7
Impurity Chlorpeniramine EP Impurity C Maleate Applications Desmethyl Chlorpheniramine Maleate Salt (Chlorpeniramine EP Impurity C) …
Formula:
C15H17ClN2·C4H4O4
Color and Shape:
White To Off-White
Molecular weight:
376.83

Ref: TR-D291550

1mg245.00 €
5mg1,062.00 €
10mg1,649.00 €
Estimated delivery in United States, on Friday 25 Oct 2024
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discount label
8-Hydroxy Guanosine-13C,15N2
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8-Hydroxy Guanosine-13C,15N2

CAS:3868-31-3
Stability Hygroscopic Applications Labelled 8-Hydroxy Guanosine (H942770). It is a representative metabolite derived by the …
Formula:
C913CH13N315N2O6
Color and Shape:
Off White Solid
Molecular weight:
302.22

Ref: TR-H942772

5mg6,360.00 €
500µg881.00 €
Estimated delivery in United States, on Friday 25 Oct 2024
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discount label
4-Dehydroxy-5-hydroxy Ritonavir
TRC logo
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4-Dehydroxy-5-hydroxy Ritonavir

Controlled Product
CAS:202816-62-4
Impurity Ritonavir EP Impurity N Applications 4-Dehydroxy-5-Hydroxy Ritonavir (Ritonavir EP Impurity N) is an impurity …
Formula:
C37H48N6O5S2
Color and Shape:
Neat
Molecular weight:
720.94

Ref: TR-D230645

25mg263.00 €
250mg1,749.00 €
Estimated delivery in United States, on Friday 25 Oct 2024
+ info
discount label
1,8-Diethyl-1,3,4,9-tetrahydro-pyrano[3,4-b]indole-1-acetic Acid Methyl Ester
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1,8-Diethyl-1,3,4,9-tetrahydro-pyrano[3,4-b]indole-1-acetic Acid Methyl Ester

CAS:122188-02-7
Impurity Etodolac EP Impurity K Applications 1,8-Diethyl-1,3,4,9-tetrahydro-pyrano[3,4-b]indole-1-acetic Acid Methyl Ester (Etodolac EP Impurity K) is …
Formula:
C18H23NO3
Color and Shape:
White To Off-White
Molecular weight:
301.38

Ref: TR-D445035

5mg145.00 €
25mg480.00 €
50mg876.00 €
Estimated delivery in United States, on Friday 25 Oct 2024
+ info
discount label
Lincomycin 2-Phosphate
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Lincomycin 2-Phosphate

Controlled Product
CAS:27480-30-4
Impurity Clindamycin Phosphate EP Impurity F Applications Lincomycin 2-Phosphate (Clindamycin Phosphate EP Impurity F) is …
Formula:
C18H35N2O9PS
Color and Shape:
Off-White
Molecular weight:
486.52

Ref: TR-L466205

1mg322.00 €
5mg1,422.00 €
10mg2,215.00 €
Estimated delivery in United States, on Friday 25 Oct 2024
+ info
discount label
BGP 15
TRC logo
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BGP 15

Controlled Product
CAS:66611-37-8
Applications BGP 15 is a calcipotriene-based vitamin D3 analog that inhibits poly(ADP-ribose) polymerasesis (PARP), a …
Formula:
C14H22N4O2HCl
Color and Shape:
Neat
Molecular weight:
351.27

Ref: TR-B411990

25mg215.00 €
100mg770.00 €
250mg1,587.00 €
Estimated delivery in United States, on Friday 25 Oct 2024
+ info
discount label
6-Des(1-methyl-2-benzimidazolyl)-6-carboxy Telmisartan
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6-Des(1-methyl-2-benzimidazolyl)-6-carboxy Telmisartan

Controlled Product
CAS:884330-12-5
Impurity Telmisartan EP Impurity E / Telmisartan Diacid Applications An impurity of Telmisartan (T017000). References …
Formula:
C26H24N2O4
Color and Shape:
Neat
Molecular weight:
428.49

Ref: TR-D291020

10mg125.00 €
50mg209.00 €
100mg376.00 €
Estimated delivery in United States, on Friday 25 Oct 2024
+ info
discount label
25-Hydroxy Vitamin D2-d6
TRC logo
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25-Hydroxy Vitamin D2-d6

Controlled Product
CAS:1262843-46-8
Stability Light Sensitive, Temperature Sensitive, Toxic Applications A labelled metabolite of Vitamin D2 (V676040). Not …
Formula:
C28H6H38O2
Color and Shape:
White To Off-White
Molecular weight:
418.68

Ref: TR-H995822

1mg1,114.00 €
10mg9,154.00 €
250µg390.00 €
Estimated delivery in United States, on Friday 25 Oct 2024
+ info
discount label
N,N'-Bis[4-[2-(N-methylcarbamoyl)-4-pyridyloxy]phenyl]urea
TRC logo
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N,N'-Bis[4-[2-(N-methylcarbamoyl)-4-pyridyloxy]phenyl]urea

Controlled Product
CAS:284670-98-0
Formula:
C27H24N6O5
Color and Shape:
Beige To Dark Brown
Molecular weight:
512.52

Ref: TR-B414180

10mg98.00 €
100mg232.00 €
Estimated delivery in United States, on Friday 25 Oct 2024
+ info
discount label
Chlorhexidine Digluconate Impurity N Hydrochloride
TRC logo
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Chlorhexidine Digluconate Impurity N Hydrochloride

CAS:152504-10-4
Formula:
C15H25ClN8•x(HCl)
Color and Shape:
White To Light Yellow
Molecular weight:
352.873646

Ref: TR-C377843

10mg335.00 €
100mg2,149.00 €
Estimated delivery in United States, on Friday 25 Oct 2024
+ info
discount label
3-Ethyl-2,5-pyrazinediethanol
TRC logo
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3-Ethyl-2,5-pyrazinediethanol

Controlled Product
CAS:86917-74-0
Impurity Clavulanate Potassium EP Impurity C Applications 3-Ethyl-2,5-pyrazinediethanol (Clavulanate Potassium EP Impurity C) is an …
Formula:
C10H16N2O2
Color and Shape:
Yellow
Molecular weight:
196.25

Ref: TR-E925605

1mg480.00 €
10mg3,321.00 €
2500µg958.00 €
Estimated delivery in United States, on Friday 25 Oct 2024
+ info
discount label
Finasteride Carboxylic Acid
TRC logo
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Finasteride Carboxylic Acid

Controlled Product
CAS:116285-37-1
Formula:
C23H34N2O4
Color and Shape:
Light Yellow Solid
Molecular weight:
402.53

Ref: TR-F342015

25mg2,106.00 €
2500µg319.00 €
Estimated delivery in United States, on Friday 25 Oct 2024
+ info
discount label
3a,7a-Dihydroxycoprostanic Acid-d3
TRC logo
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3a,7a-Dihydroxycoprostanic Acid-d3

Controlled Product
CAS:338976-76-4
Formula:
C27H43D3O4
Color and Shape:
Neat
Molecular weight:
437.67

Ref: TR-D452517

5mg2,045.00 €
500µg316.00 €
2500µg1,301.00 €
Estimated delivery in United States, on Friday 25 Oct 2024
+ info
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