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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
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Piperacillin impurity N
REF: 3D-IP183355CAS: 2170771-53-4 		Min. 95%To inquireTue 14 Jan 25
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L-Piperacillin
REF: 3D-IP183358		Min. 95%To inquireTue 14 Jan 25
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N-(1-Oxobutyl)-N-[[2'-(2H-tetrazol-5-yl)[1,1'-biphenyl]-4-yl]methyl]-L-valine
REF: 3D-IO28664CAS: 952652-79-8 		Min. 95%248.00 €~1,449.00 €Tue 14 Jan 25
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Losartan azide
REF: 3D-IL183331CAS: 727718-93-6 		Min. 95%138.00 €~801.00 €Tue 14 Jan 25
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iso-Gemfibrozil
REF: 3D-IG23653CAS: 86837-66-3 		Min. 95%To inquireTue 14 Jan 25
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Levothyroxine EP impurity B
REF: 3D-IL183329CAS: 1628720-66-0 		Min. 95%To inquireTue 14 Jan 25
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a-(Aminocarbonyl)-4-[2-(5-ethyl-2-pyridinyl)ethoxy]benzeneethanesulfonic acid
REF: 3D-IA27057CAS: 625853-73-8 		Min. 95%To inquireTue 14 Jan 25
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Clarithromycin-N-methyl-d3
REF: 3D-IC183141CAS: 959119-22-3 		Min. 95%341.00 €~2,296.00 €Tue 14 Jan 25
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(5aR,10aR)-Tetrahydro-3H,5H,8H,10H-bisthiazolo[3,4-a:3',4'-d]pyrazine-5,10-dione
REF: 3D-IT145578CAS: 72744-67-3 		Min. 95%To inquireTue 14 Jan 25
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2-Methoxyethyl-3-aminocrotonate
REF: 3D-IM57945CAS: 50899-10-0 		Min. 95%To inquireTue 14 Jan 25
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Cefpodoxime proxetil impurity D
REF: 3D-FC63695CAS: 947692-13-9 		Min. 95%To inquireTue 14 Jan 25
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Sodium picosulfate EP Impurity A
REF: 3D-IS178199CAS: 32500-19-9 		Min. 95%To inquireTue 14 Jan 25
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3-(3-Trifluoromethylphenyl)propionaldehyde diethylacetal
REF: 3D-IT58181CAS: 2059999-49-2 		Min. 95%To inquireTue 14 Jan 25
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Isopropyl 2-(3-nitrobenzilidene)acetoacetate
REF: 3D-IP57944CAS: 39562-25-9 		Min. 95%To inquireTue 14 Jan 25
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1-[1-(4-Methoxyphenyl)-2-(methylamino)ethyl]-cyclohexanol hydrochloride
REF: 3D-IM63866CAS: 93413-90-2 		Min. 95%136.00 €~480.00 €Tue 14 Jan 25
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(4S)-4-Cyclohexyl-1-(1,3 dioxopentyl)-L-proline
REF: 3D-IC76255CAS: 149760-14-5 		Min. 95%To inquireTue 14 Jan 25
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1-Desmethyl 2-methyl granisetron
REF: 3D-ID21230CAS: 127472-42-8 		Min. 95%To inquireTue 14 Jan 25
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Ivermectin impurity I
REF: 3D-II167729CAS: 1135339-49-9 		Min. 95%To inquireTue 14 Jan 25
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Desmethyl fluvoxamine - EP
REF: 3D-ID21269CAS: 192876-02-1 		Min. 95%To inquireTue 14 Jan 25
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Saccharin N-(2-acetic acid isopropyl ester)
REF: 3D-IS27777CAS: 76508-37-7 		Min. 95%To inquireTue 14 Jan 25
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Piperacillin impurity N
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Piperacillin impurity N

CAS:2170771-53-4
Please enquire for more information about Piperacillin impurity N including the price, delivery time and …
Formula:
C46H54N10O14S2
Purity:
Min. 95%
Molecular weight:
1,035.11 g/mol

Ref: 3D-IP183355

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50mgTo inquire
Estimated delivery in United States, on Tuesday 14 Jan 2025
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L-Piperacillin
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L-Piperacillin

Please enquire for more information about L-Piperacillin including the price, delivery time and more detailed …
Formula:
C23H27N5O7S
Purity:
Min. 95%
Molecular weight:
517.56 g/mol

Ref: 3D-IP183358

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Estimated delivery in United States, on Tuesday 14 Jan 2025
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N-(1-Oxobutyl)-N-[[2'-(2H-tetrazol-5-yl)[1,1'-biphenyl]-4-yl]methyl]-L-valine
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N-(1-Oxobutyl)-N-[[2'-(2H-tetrazol-5-yl)[1,1'-biphenyl]-4-yl]methyl]-L-valine

CAS:952652-79-8
N-(1-Oxobutyl)-N-[[2'-(2H-tetrazol-5-yl)[1,1'-biphenyl]-4-yl]methyl]-L-valine (GW1929) is a potent vasodilator that is used for the treatment of hypertension. It …
Formula:
C23H27N5O3
Purity:
Min. 95%
Color and Shape:
White Powder
Molecular weight:
421.49 g/mol

Ref: 3D-IO28664

1mg248.00 €
2mg364.00 €
5mg517.00 €
10mg801.00 €
25mg1,449.00 €
Estimated delivery in United States, on Tuesday 14 Jan 2025
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Losartan azide
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Losartan azide

CAS:727718-93-6
Please enquire for more information about Losartan azide including the price, delivery time and more …
Formula:
C22H22ClN9
Purity:
Min. 95%
Molecular weight:
447.93 g/mol

Ref: 3D-IL183331

1mg138.00 €
2mg194.00 €
5mg310.00 €
10mg453.00 €
25mg801.00 €
Estimated delivery in United States, on Tuesday 14 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

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Estimated delivery in United States, on Tuesday 14 Jan 2025
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Levothyroxine EP impurity B
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Levothyroxine EP impurity B

CAS:1628720-66-0
Please enquire for more information about Levothyroxine EP impurity B including the price, delivery time …
Formula:
C15H11ClI3NO4
Purity:
Min. 95%
Molecular weight:
685.42 g/mol

Ref: 3D-IL183329

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a-(Aminocarbonyl)-4-[2-(5-ethyl-2-pyridinyl)ethoxy]benzeneethanesulfonic acid
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a-(Aminocarbonyl)-4-[2-(5-ethyl-2-pyridinyl)ethoxy]benzeneethanesulfonic acid

CAS:625853-73-8
a-(Aminocarbonyl)-4-[2-(5-ethyl-2-pyridinyl)ethoxy]benzeneethanesulfonic acid is an analytical standard that is used in the drug development process. It …
Formula:
C18H22N2O5S
Purity:
Min. 95%
Molecular weight:
378.44 g/mol

Ref: 3D-IA27057

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Estimated delivery in United States, on Tuesday 14 Jan 2025
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Clarithromycin-N-methyl-d3
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Clarithromycin-N-methyl-d3

CAS:959119-22-3
Please enquire for more information about Clarithromycin-N-methyl-d3 including the price, delivery time and more detailed …
Formula:
C38H66D3NO13
Purity:
Min. 95%
Molecular weight:
750.97 g/mol

Ref: 3D-IC183141

1mg341.00 €
2mg455.00 €
5mg711.00 €
10mg1,021.00 €
25mg2,296.00 €
Estimated delivery in United States, on Tuesday 14 Jan 2025
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(5aR,10aR)-Tetrahydro-3H,5H,8H,10H-bisthiazolo[3,4-a:3',4'-d]pyrazine-5,10-dione
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(5aR,10aR)-Tetrahydro-3H,5H,8H,10H-bisthiazolo[3,4-a:3',4'-d]pyrazine-5,10-dione

CAS:72744-67-3
(5aR,10aR)-Tetrahydro-3H,5H,8H,10H-bisthiazolo[3,4-a:3',4'-d]pyrazine-5,10-dione is a drug product that is an impurity standard for the API (Active Pharmaceutical …
Formula:
C8H10N2O42S2
Purity:
Min. 95%
Molecular weight:
870.29 g/mol

Ref: 3D-IT145578

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2-Methoxyethyl-3-aminocrotonate
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2-Methoxyethyl-3-aminocrotonate

CAS:50899-10-0
2-Methoxyethyl-3-aminocrotonate is an impurity of a drug product. It is an analytical standard that is …
Formula:
C7H13NO3
Purity:
Min. 95%
Molecular weight:
159.18 g/mol

Ref: 3D-IM57945

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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

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Sodium picosulfate EP Impurity A
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Sodium picosulfate EP Impurity A

CAS:32500-19-9
Sodium picosulfate EP Impurity A is a drug product, analytical, Metabolism studies, Natural, API impurity, …
Formula:
C18H14NNaO5S
Purity:
Min. 95%

Ref: 3D-IS178199

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3-(3-Trifluoromethylphenyl)propionaldehyde diethylacetal
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3-(3-Trifluoromethylphenyl)propionaldehyde diethylacetal

CAS:2059999-49-2
3-(3-Trifluoromethylphenyl)propionaldehyde diethylacetal is a synthetic compound that belongs to the class of drug products. It …
Formula:
C14H19F3O2
Purity:
Min. 95%
Molecular weight:
276.29 g/mol

Ref: 3D-IT58181

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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

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1-[1-(4-Methoxyphenyl)-2-(methylamino)ethyl]-cyclohexanol hydrochloride
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1-[1-(4-Methoxyphenyl)-2-(methylamino)ethyl]-cyclohexanol hydrochloride

CAS:93413-90-2
1-[1-(4-Methoxyphenyl)-2-(methylamino)ethyl]-cyclohexanol hydrochloride is a drug product that is not yet approved for use in humans. …
Formula:
C16H25NO2·HCl
Purity:
Min. 95%
Molecular weight:
299.84 g/mol

Ref: 3D-IM63866

5mg136.00 €
10mg151.00 €
25mg213.00 €
50mg341.00 €
100mg480.00 €
Estimated delivery in United States, on Tuesday 14 Jan 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 14 Jan 2025
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1-Desmethyl 2-methyl granisetron
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1-Desmethyl 2-methyl granisetron

CAS:127472-42-8
Granisetron is a serotonin 5-hydroxytryptamine 3 (5-HT3) receptor antagonist. It is used in the prevention …
Formula:
C18H24N4O
Purity:
Min. 95%
Molecular weight:
312.41 g/mol

Ref: 3D-ID21230

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Estimated delivery in United States, on Tuesday 14 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

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Estimated delivery in United States, on Tuesday 14 Jan 2025
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Desmethyl fluvoxamine - EP
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Desmethyl fluvoxamine - EP

CAS:192876-02-1
Desmethyl fluvoxamine is the active metabolite of fluvoxamine, which is a drug used to treat …
Formula:
C14H19F3N2O2
Purity:
Min. 95%
Molecular weight:
304.31 g/mol

Ref: 3D-ID21269

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Estimated delivery in United States, on Tuesday 14 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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Estimated delivery in United States, on Tuesday 14 Jan 2025
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