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Active pharmaceutical ingredient (API) impurities for research

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BrandProduct dataPurityPrice rangeEstimated delivery
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Valdecoxib impurity I
REF: 3D-FA161770CAS: 1373038-59-5 		Min. 95%To inquireTue 11 Feb 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 €Tue 11 Feb 25
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Nicergoline EP Impurity B
REF: 3D-IN171534CAS: 35264-46-1 		Min. 95%To inquireTue 11 Feb 25
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Gentamicin B1
REF: 3D-AG46304CAS: 36889-16-4 		Min. 95%To inquireTue 11 Feb 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 inquireTue 11 Feb 25
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Cetirizine 3-chloro impurity dihydrochloride
REF: 3D-IC19908CAS: 1232460-29-5 		Min. 95%To inquireTue 11 Feb 25
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iso-Gemfibrozil
REF: 3D-IG23653CAS: 86837-66-3 		Min. 95%To inquireTue 11 Feb 25
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(3S,5R)-Atorvastatin calcium
REF: 3D-IA76164CAS: 887196-25-0 		Min. 95%To inquireTue 11 Feb 25
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Cefpodoxime proxetil impurity D
REF: 3D-FC63695CAS: 947692-13-9 		Min. 95%To inquireTue 11 Feb 25
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Isopropyl 2-(3-nitrobenzilidene)acetoacetate
REF: 3D-IP57944CAS: 39562-25-9 		Min. 95%To inquireTue 11 Feb 25
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(4S)-4-Cyclohexyl-1-(1,3 dioxopentyl)-L-proline
REF: 3D-IC76255CAS: 149760-14-5 		Min. 95%To inquireTue 11 Feb 25
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Ivermectin impurity I
REF: 3D-II167729CAS: 1135339-49-9 		Min. 95%To inquireTue 11 Feb 25
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Saccharin N-(2-acetic acid isopropyl ester)
REF: 3D-IS27777CAS: 76508-37-7 		Min. 95%To inquireTue 11 Feb 25
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Cetirizine impurity C
REF: 3D-IC162255CAS: 83881-59-8 		Min. 95%To inquireTue 11 Feb 25
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2,3,4,5-Tetradehydro alfuzosin hydrochloride
REF: 3D-IT28077CAS: 98902-29-5 		Min. 95%To inquireTue 11 Feb 25
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2-Demethoxy-2-chloro urapidil
REF: 3D-ID139024CAS: 34661-73-9 		Min. 95%To inquireTue 11 Feb 25
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4-Oxo valsartan benzyl ester
REF: 3D-IO26665CAS: 188240-32-6 		Min. 95%To inquireTue 11 Feb 25
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1-Benzyl-4-phenylpiperidine-4-carboxylic acid
REF: 3D-IB57902CAS: 61886-17-7 		Min. 95%To inquireTue 11 Feb 25
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Levofloxacin carboxylic acid
REF: 3D-IL24882CAS: 100986-89-8 		Min. 95%To inquireTue 11 Feb 25
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Hydrocortisone EP Impurity H
REF: 3D-IH178817		Min. 95%105.00 €~1,392.00 €Tue 11 Feb 25
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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

5mgTo inquire
10mgTo inquire
25mgTo inquire
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100mgTo inquire
Estimated delivery in United States, on Tuesday 11 Feb 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 Tuesday 11 Feb 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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2mgTo inquire
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500µgTo inquire
Estimated delivery in United States, on Tuesday 11 Feb 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 Tuesday 11 Feb 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

1mgTo inquire
5mgTo inquire
10mgTo inquire
Estimated delivery in United States, on Tuesday 11 Feb 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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10mgTo inquire
25mgTo inquire
Estimated delivery in United States, on Tuesday 11 Feb 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 Tuesday 11 Feb 2025
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(3S,5R)-Atorvastatin calcium
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(3S,5R)-Atorvastatin calcium

CAS:887196-25-0
(3S,5R)-Atorvastatin calcium is an analytical standard for the drug atorvastatin. It has a purity of …
Formula:
C66H68CaF2N4O10
Purity:
Min. 95%
Molecular weight:
1,155.34 g/mol

Ref: 3D-IA76164

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2mgTo inquire
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10mgTo inquire
25mgTo inquire
Estimated delivery in United States, on Tuesday 11 Feb 2025
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Cefpodoxime proxetil impurity D
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Cefpodoxime proxetil impurity D

CAS:947692-13-9
Cefpodoxime proxetil impurity D is a cephalosporin antibiotic that is an oral prodrug. It is …
Formula:
C21H27N5O9S2
Purity:
Min. 95%
Molecular weight:
557.6 g/mol

Ref: 3D-FC63695

1mgTo inquire
2mgTo inquire
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10mgTo inquire
25mgTo inquire
Estimated delivery in United States, on Tuesday 11 Feb 2025
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Isopropyl 2-(3-nitrobenzilidene)acetoacetate
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Isopropyl 2-(3-nitrobenzilidene)acetoacetate

CAS:39562-25-9
This isopropyl 2-(3-nitrobenzylidene)acetoacetate is a reaction solution that can be used to produce the antihypertensive …
Formula:
C14H15NO5
Purity:
Min. 95%
Molecular weight:
277.27 g/mol

Ref: 3D-IP57944

1gTo inquire
5gTo inquire
10gTo inquire
Estimated delivery in United States, on Tuesday 11 Feb 2025
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(4S)-4-Cyclohexyl-1-(1,3 dioxopentyl)-L-proline
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(4S)-4-Cyclohexyl-1-(1,3 dioxopentyl)-L-proline

CAS:149760-14-5
(4S)-4-Cyclohexyl-1-(1,3 dioxopentyl)-L-proline is a synthetic, non-natural amino acid. It is a metabolite of the pharmaceutical …
Formula:
C16H25NO4
Purity:
Min. 95%
Molecular weight:
295.37 g/mol

Ref: 3D-IC76255

1mg172.00 €
5mg364.00 €
10mg518.00 €
25mg924.00 €
50mg1,449.00 €
Estimated delivery in United States, on Tuesday 11 Feb 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

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2mgTo inquire
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25mgTo inquire
Estimated delivery in United States, on Tuesday 11 Feb 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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100mgTo inquire
Estimated delivery in United States, on Tuesday 11 Feb 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 Tuesday 11 Feb 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 Tuesday 11 Feb 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 Tuesday 11 Feb 2025
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4-Oxo valsartan benzyl ester
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4-Oxo valsartan benzyl ester

CAS:188240-32-6
4-Oxo valsartan benzyl ester is a drug product that is used for research and development …
Formula:
C31H33N5O4
Purity:
Min. 95%
Molecular weight:
539.63 g/mol

Ref: 3D-IO26665

1mgTo inquire
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10mgTo inquire
Estimated delivery in United States, on Tuesday 11 Feb 2025
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1-Benzyl-4-phenylpiperidine-4-carboxylic acid
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1-Benzyl-4-phenylpiperidine-4-carboxylic acid

Controlled Product
CAS:61886-17-7
1-Benzyl-4-phenylpiperidine-4-carboxylic acid (1BPPC) is a soluble guanylate cyclase activator that is used as a research …
Formula:
C18H21NO2
Purity:
Min. 95%
Molecular weight:
283.36 g/mol

Ref: 3D-IB57902

25mgTo inquire
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100mgTo inquire
Estimated delivery in United States, on Tuesday 11 Feb 2025
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Levofloxacin carboxylic acid
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Levofloxacin carboxylic acid

CAS:100986-89-8
Levofloxacin is a synthetic molecule with an asymmetric carbon atom in its heterocycle. It is …
Formula:
C13H9F2NO4
Purity:
Min. 95%
Color and Shape:
Powder
Molecular weight:
281.21 g/mol

Ref: 3D-IL24882

10g172.00 €
25g310.00 €
50g436.00 €
100g646.00 €
250g1,047.00 €
Estimated delivery in United States, on Tuesday 11 Feb 2025
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Hydrocortisone EP Impurity H
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Hydrocortisone EP Impurity H

Hydrocortisone EP Impurity H is an analytical standard that is used as an impurity in …
Formula:
C21H30O6
Purity:
Min. 95%
Molecular weight:
378.46 g/mol

Ref: 3D-IH178817

1mg232.00 €
2mg364.00 €
5mg647.00 €
10mg986.00 €
25mg1,392.00 €
Estimated delivery in United States, on Tuesday 11 Feb 2025
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