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Active pharmaceutical ingredient (API) impurities for research

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BrandProduct dataPurityPrice rangeEstimated delivery
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Torasemide EP Impurity D
REF: 3D-IT177757CAS: 160972-33-8 		Min. 95%151.00 €~1,084.00 €Thu 23 Jan 25
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Ivermectin impurity I
REF: 3D-II167729CAS: 1135339-49-9 		Min. 95%To inquireThu 23 Jan 25
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Regorafenib metabolite M2 oxide
REF: 3D-IR164114CAS: 835621-11-9 		Min. 95%To inquireThu 23 Jan 25
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iso-Gemfibrozil
REF: 3D-IG23653CAS: 86837-66-3 		Min. 95%To inquireThu 23 Jan 25
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4-[(3,4-Dimethoxyphenethyl)methylamino]-2-(3,4-dimethoxyphenyl)-2-isopropylbutyronitrile monohydrochloride
REF: 3D-ID20771CAS: 1794-55-4 		Min. 95%177.00 €~1,165.00 €Thu 23 Jan 25
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Cetirizine 3-chloro impurity dihydrochloride
REF: 3D-IC19908CAS: 1232460-29-5 		Min. 95%To inquireThu 23 Jan 25
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Saccharin N-(2-acetic acid isopropyl ester)
REF: 3D-IS27777CAS: 76508-37-7 		Min. 95%To inquireThu 23 Jan 25
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Acarbose EP Impurity G
REF: 3D-IA175642CAS: 1013621-73-2 		Min. 95%To inquireThu 23 Jan 25
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2-Amino-5,6-dichloro-3(4H)-quinazoline acetic acid benzyl ester hydrobromide
REF: 3D-IA139091CAS: 1391053-41-0 		Min. 95%To inquireThu 23 Jan 25
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Gentamicin B1
REF: 3D-AG46304CAS: 36889-16-4 		Min. 95%To inquireThu 23 Jan 25
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Cetirizine impurity C
REF: 3D-IC162255CAS: 83881-59-8 		Min. 95%To inquireThu 23 Jan 25
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Nicergoline EP Impurity B
REF: 3D-IN171534CAS: 35264-46-1 		Min. 95%To inquireThu 23 Jan 25
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1,1'-[Hydroxypropane-1,3-diylbis(oxy-2,1-phenylene)]bis(3-phenylpropan-1-one)
REF: 3D-IH63819CAS: 1329643-40-4 		Min. 95%400.00 €~2,551.00 €Thu 23 Jan 25
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2,3,4,5-Tetradehydro alfuzosin hydrochloride
REF: 3D-IT28077CAS: 98902-29-5 		Min. 95%To inquireThu 23 Jan 25
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2-Demethoxy-2-chloro urapidil
REF: 3D-ID139024CAS: 34661-73-9 		Min. 95%To inquireThu 23 Jan 25
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Trazodone Impurity A
REF: 3D-IT171132CAS: 55290-66-9 		Min. 95%To inquireThu 23 Jan 25
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Valdecoxib impurity I
REF: 3D-FA161770CAS: 1373038-59-5 		Min. 95%To inquireThu 23 Jan 25
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3-[4-(4-Chlorobenzoyl)phenoxy]-2-butanone
REF: 3D-IC20198CAS: 217636-47-0 		Min. 95%To inquireThu 23 Jan 25
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4-Hydroxy azithromycin
REF: 3D-IH137487CAS: 756825-20-4 		Min. 95%To inquireThu 23 Jan 25
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(2R)-2-(3,4-Dimethoxyphenyl)-5-[2-(3,4-dimethoxyphenyl)ethyl-methylamino]-2-isopropylpentanenitrile hydrochloride
REF: 3D-ID28684CAS: 38176-02-2 		Min. 95%To inquireThu 23 Jan 25
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Torasemide EP Impurity D
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Torasemide EP Impurity D

CAS:160972-33-8
Torasemide EP Impurity D is a drug product or impurity. It is an analytical standard …
Formula:
C17H22N4O3S
Purity:
Min. 95%
Molecular weight:
362.45 g/mol

Ref: 3D-IT177757

1mg151.00 €
2mg213.00 €
5mg400.00 €
10mg569.00 €
25mg1,084.00 €
Estimated delivery in United States, on Thursday 23 Jan 2025
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Ivermectin impurity I
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Ivermectin impurity I

CAS:1135339-49-9
Ivermectin impurity I is an analytical standard that is used for pharmacopoeia and custom synthesis. …
Formula:
C48H74O14
Purity:
Min. 95%
Color and Shape:
Powder
Molecular weight:
875.09 g/mol

Ref: 3D-II167729

1mgTo inquire
2mgTo inquire
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25mgTo inquire
Estimated delivery in United States, on Thursday 23 Jan 2025
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Regorafenib metabolite M2 oxide
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Regorafenib metabolite M2 oxide

CAS:835621-11-9
Regorafenib metabolite M2 oxide (M2O) is a cancer drug that is an inhibitor of multikinase. …
Formula:
C21H15ClF4N4O4
Purity:
Min. 95%
Molecular weight:
498.81 g/mol

Ref: 3D-IR164114

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25mgTo inquire
Estimated delivery in United States, on Thursday 23 Jan 2025
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iso-Gemfibrozil
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iso-Gemfibrozil

CAS:86837-66-3
iso-Gemfibrozil is a natural, synthetic drug product. It is an impurity standard for the pharmacopoeia …
Formula:
C15H22O3
Purity:
Min. 95%
Molecular weight:
250.33 g/mol

Ref: 3D-IG23653

1mgTo inquire
2mgTo inquire
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10mgTo inquire
25mgTo inquire
Estimated delivery in United States, on Thursday 23 Jan 2025
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4-[(3,4-Dimethoxyphenethyl)methylamino]-2-(3,4-dimethoxyphenyl)-2-isopropylbutyronitrile monohydro…
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4-[(3,4-Dimethoxyphenethyl)methylamino]-2-(3,4-dimethoxyphenyl)-2-isopropylbutyronitrile monohydrochloride

CAS:1794-55-4
Metoclopramide is a dopamine receptor ligand used as an antiemetic in the treatment of nausea …
Formula:
C26H36N2O4•HCl
Purity:
Min. 95%
Color and Shape:
Powder
Molecular weight:
477.04 g/mol

Ref: 3D-ID20771

1mg177.00 €
5mg369.00 €
10mg523.00 €
25mg806.00 €
50mg1,165.00 €
Estimated delivery in United States, on Thursday 23 Jan 2025
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Cetirizine 3-chloro impurity dihydrochloride
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Cetirizine 3-chloro impurity dihydrochloride

CAS:1232460-29-5
Cetirizine 3-chloro impurity dihydrochloride is a drug substance that contains the impurity cetirizine. The compound …
Formula:
C21H27Cl3N2O3
Purity:
Min. 95%
Color and Shape:
Solid
Molecular weight:
461.81 g/mol

Ref: 3D-IC19908

1mgTo inquire
2mgTo inquire
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25mgTo inquire
Estimated delivery in United States, on Thursday 23 Jan 2025
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Saccharin N-(2-acetic acid isopropyl ester)
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Saccharin N-(2-acetic acid isopropyl ester)

CAS:76508-37-7
Saccharin is a drug product that consists of saccharin N-isopropyl ester and an impurity standard. …
Formula:
C12H13NO5S
Purity:
Min. 95%
Molecular weight:
283.3 g/mol

Ref: 3D-IS27777

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10mgTo inquire
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100mgTo inquire
Estimated delivery in United States, on Thursday 23 Jan 2025
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Acarbose EP Impurity G
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Acarbose EP Impurity G

CAS:1013621-73-2
Acarbose EP Impurity G is a pharmaceutical grade impurity that is used as a reference …
Purity:
Min. 95%

Ref: 3D-IA175642

1mgTo inquire
Estimated delivery in United States, on Thursday 23 Jan 2025
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2-Amino-5,6-dichloro-3(4H)-quinazoline acetic acid benzyl ester hydrobromide
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2-Amino-5,6-dichloro-3(4H)-quinazoline acetic acid benzyl ester hydrobromide

CAS:1391053-41-0
2-Amino-5,6-dichloro-3-(4H)-quinazoline acetic acid benzyl ester hydrobromide is a drug product that is used as an …
Formula:
C17H15Cl2N3O2
Purity:
Min. 95%
Molecular weight:
364.23 g/mol

Ref: 3D-IA139091

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Estimated delivery in United States, on Thursday 23 Jan 2025
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Gentamicin B1
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Gentamicin B1

CAS:36889-16-4
Gentamicin B1 is a gentamicin antibiotic that is used to treat skin cancer. It inhibits …
Formula:
C20H40N4O10
Purity:
Min. 95%
Color and Shape:
Solid
Molecular weight:
496.55 g/mol

Ref: 3D-AG46304

1mgTo inquire
Estimated delivery in United States, on Thursday 23 Jan 2025
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Cetirizine impurity C
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Cetirizine impurity C

CAS:83881-59-8
Cetirizine impurity C is a potential impurity of cetirizine. It is used in the synthesis …
Formula:
C21H25ClN2O3
Purity:
Min. 95%
Molecular weight:
388.89 g/mol

Ref: 3D-IC162255

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Estimated delivery in United States, on Thursday 23 Jan 2025
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Nicergoline EP Impurity B
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Nicergoline EP Impurity B

CAS:35264-46-1
Nicergoline EP Impurity B is a metabolite of nicergoline, a drug product. It has been …
Purity:
Min. 95%

Ref: 3D-IN171534

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Estimated delivery in United States, on Thursday 23 Jan 2025
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1,1'-[Hydroxypropane-1,3-diylbis(oxy-2,1-phenylene)]bis(3-phenylpropan-1-one)
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1,1'-[Hydroxypropane-1,3-diylbis(oxy-2,1-phenylene)]bis(3-phenylpropan-1-one)

CAS:1329643-40-4
1,1'-[Hydroxypropane-1,3-diylbis(oxy-2,1-phenylene)]bis(3-phenylpropan-1-one) is an analytical standard for HPLC. It is a natural and synthetic metabolite of …
Formula:
C33H32O5
Purity:
Min. 95%
Molecular weight:
508.6 g/mol

Ref: 3D-IH63819

1mg400.00 €
2mg569.00 €
5mg949.00 €
10mg1,531.00 €
25mg2,551.00 €
Estimated delivery in United States, on Thursday 23 Jan 2025
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2,3,4,5-Tetradehydro alfuzosin hydrochloride
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2,3,4,5-Tetradehydro alfuzosin hydrochloride

CAS:98902-29-5
Alfuzosin is a potent, selective, and long-acting α1A-adrenergic receptor antagonist. It is used to treat …
Formula:
C19H24ClN5O4
Purity:
Min. 95%
Color and Shape:
White Powder
Molecular weight:
421.88 g/mol

Ref: 3D-IT28077

100mgTo inquire
Estimated delivery in United States, on Thursday 23 Jan 2025
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2-Demethoxy-2-chloro urapidil
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2-Demethoxy-2-chloro urapidil

CAS:34661-73-9
2-Demethoxy-2-chloro urapidil is an analytical standard that is used in drug development and research. It …
Formula:
C19H26ClN5O2
Purity:
Min. 95%
Molecular weight:
391.89 g/mol

Ref: 3D-ID139024

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1500mgTo inquire
Estimated delivery in United States, on Thursday 23 Jan 2025
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Trazodone Impurity A
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Trazodone Impurity A

CAS:55290-66-9
Trazodone Impurity A is a drug product that is an impurity standard for Trazodone. It …
Formula:
C19H22ClN5O
Purity:
Min. 95%
Molecular weight:
371.86 g/mol

Ref: 3D-IT171132

100mgTo inquire
Estimated delivery in United States, on Thursday 23 Jan 2025
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Valdecoxib impurity I
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Valdecoxib impurity I

CAS:1373038-59-5
Valdecoxib impurity I is a synthetic compound that is used as an impurity standard for …
Formula:
C16H15N3O5S2
Purity:
Min. 95%
Molecular weight:
393.44 g/mol

Ref: 3D-FA161770

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Estimated delivery in United States, on Thursday 23 Jan 2025
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3-[4-(4-Chlorobenzoyl)phenoxy]-2-butanone
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3-[4-(4-Chlorobenzoyl)phenoxy]-2-butanone

CAS:217636-47-0
3-[4-(4-Chlorobenzoyl)phenoxy]-2-butanone is an impurity in the drug product, N-{3-[4-(4-chlorobenzoyl)phenoxy]-2-butenyl}acetamide. It can be used as an …
Formula:
C17H15ClO3
Purity:
Min. 95%
Molecular weight:
302.75 g/mol

Ref: 3D-IC20198

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Estimated delivery in United States, on Thursday 23 Jan 2025
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4-Hydroxy azithromycin
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4-Hydroxy azithromycin

CAS:756825-20-4
4-Hydroxy azithromycin is an impurity of Azithromycin that is a metabolite of the drug. 4-Hydroxy …
Formula:
C38H72N2O13
Purity:
Min. 95%
Molecular weight:
764.98 g/mol

Ref: 3D-IH137487

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5mgTo inquire
Estimated delivery in United States, on Thursday 23 Jan 2025
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(2R)-2-(3,4-Dimethoxyphenyl)-5-[2-(3,4-dimethoxyphenyl)ethyl-methylamino]-2-isopropylpentanenitril…
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(2R)-2-(3,4-Dimethoxyphenyl)-5-[2-(3,4-dimethoxyphenyl)ethyl-methylamino]-2-isopropylpentanenitrile hydrochloride

CAS:38176-02-2
(2R)-2-(3,4-Dimethoxyphenyl)-5-[2-(3,4-dimethoxyphenyl)ethyl-methylamino]-2-isopropylpentanenitrile hydrochloride (ZD4054) is a drug that has been shown to be sensitive to the …
Formula:
C27H39ClN2O4
Purity:
Min. 95%
Molecular weight:
491.06 g/mol

Ref: 3D-ID28684

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10mgTo inquire
Estimated delivery in United States, on Thursday 23 Jan 2025
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