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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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Enalapril maleate impurity A
REF: 3D-IE63754CAS: 1356932-13-2 		Min. 95%400.00 €~2,296.00 €Mon 10 Feb 25
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2-O-[4-[[(2-Carboxyethyl)amino]carbonyl]phenyl] balsalazide
REF: 3D-IC167038CAS: 1346606-62-9 		Min. 95%To inquireMon 10 Feb 25
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a-Ribavirin (impurity B)
REF: 3D-NR10396CAS: 57198-02-4 		Min. 95%To inquireMon 10 Feb 25
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Pencyclovir Impurity 1
REF: 3D-FP165992CAS: 100199-40-4 		Min. 95%To inquireMon 10 Feb 25
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2-(Aminomethyl)-1-ethylpyrrolidine
REF: 3D-IA63832CAS: 26116-12-1 		Min. 95%136.00 €~639.00 €Mon 10 Feb 25
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1-Desmethyl granisetron
REF: 3D-ID21275CAS: 107007-95-4 		Min. 95%To inquireMon 10 Feb 25
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Cetirizine 3-chloro impurity dihydrochloride
REF: 3D-IC19908CAS: 1232460-29-5 		Min. 95%To inquireMon 10 Feb 25
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Omeprazole Impurity 65
REF: 3D-IE177230		Min. 95%To inquireMon 10 Feb 25
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5-Ethyl-5-phenyl-2-(1-phenylpropyl)dihydropyrimidine-4,6(1H,5H)-dione
REF: 3D-IE145635CAS: 1189504-46-8 		Min. 95%To inquireMon 10 Feb 25
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Indoxacarb Impurity 6
REF: 3D-II173125CAS: 144172-24-7 		Min. 95%To inquireMon 10 Feb 25
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Anastrozole dimer impurity - 65%
REF: 3D-IA61497CAS: 1216898-82-6 		Min. 95%To inquireMon 10 Feb 25
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N-[(6-Chloropyridin-3-yl)methyl]-N-methylacetamide
REF: 3D-IC171311CAS: 864628-19-3 		Min. 95%To inquireMon 10 Feb 25
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N1.9,N1.9-Dimethyldesmopressin
REF: 3D-ID173217		Min. 95%To inquireMon 10 Feb 25
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2-Propylimidazole-4,5-dicarboxylic acid
REF: 3D-IP57935CAS: 58954-23-7 		Min. 95%To inquireMon 10 Feb 25
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Dutasteride EP impurity E
REF: 3D-ID183744CAS: 2102935-76-0 		Min. 95%517.00 €~2,822.00 €Mon 10 Feb 25
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Ivermectin impurity I
REF: 3D-II167729CAS: 1135339-49-9 		Min. 95%To inquireMon 10 Feb 25
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Des(oxopentyl) valsartan benzyl ester
REF: 3D-ID21096CAS: 676129-93-4 		Min. 95%To inquireMon 10 Feb 25
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1,3-Bis-O-(tert-butyldimethylsilyl)-calcipotriene
REF: 3D-IC166565CAS: 112875-61-3 		Min. 95 Area-%To inquireMon 10 Feb 25
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4-[2-(5-Ethyl-2-pyridinyl)ethoxy]benzenepropanoic acid ethyl ester
REF: 3D-IE23113CAS: 868754-42-1 		Min. 95%To inquireMon 10 Feb 25
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1,4-Bis(2,3,4-trimethoxybenzyl)piperazine
REF: 3D-IB63857CAS: 1257-19-8 		Min. 95%194.00 €~1,045.00 €Mon 10 Feb 25
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Enalapril maleate impurity A
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Enalapril maleate impurity A

CAS:1356932-13-2
Enalapril maleate impurity A is an enzyme inhibitor that blocks the action of angiotensin-converting enzyme …
Formula:
C24H32N2O9
Purity:
Min. 95%
Molecular weight:
492.52 g/mol

Ref: 3D-IE63754

1mg400.00 €
2mg569.00 €
5mg813.00 €
10mg1,276.00 €
25mg2,296.00 €
Estimated delivery in United States, on Monday 10 Feb 2025
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2-O-[4-[[(2-Carboxyethyl)amino]carbonyl]phenyl] balsalazide
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2-O-[4-[[(2-Carboxyethyl)amino]carbonyl]phenyl] balsalazide

CAS:1346606-62-9
2-O-[4-[[(2-Carboxyethyl)amino]carbonyl]phenyl] balsalazide is a drug product that has been custom synthesized and purified to high …
Formula:
C27H24N4O9
Purity:
Min. 95%
Molecular weight:
548.5 g/mol

Ref: 3D-IC167038

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Estimated delivery in United States, on Monday 10 Feb 2025
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a-Ribavirin (impurity B)
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a-Ribavirin (impurity B)

Controlled Product
CAS:57198-02-4
Ribavirin is an antiviral drug that inhibits the synthesis of RNA and DNA. It is …
Formula:
C8H12N4O5
Purity:
Min. 95%
Molecular weight:
244.2 g/mol

Ref: 3D-NR10396

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Estimated delivery in United States, on Monday 10 Feb 2025
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Pencyclovir Impurity 1
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Pencyclovir Impurity 1

CAS:100199-40-4
Pencyclovir Impurity 1 is a drug product that is used as an analytical reference for …
Formula:
C10H14CIN5O2
Purity:
Min. 95%
Molecular weight:
375.17 g/mol

Ref: 3D-FP165992

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2mgTo inquire
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25mgTo inquire
Estimated delivery in United States, on Monday 10 Feb 2025
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2-(Aminomethyl)-1-ethylpyrrolidine
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2-(Aminomethyl)-1-ethylpyrrolidine

CAS:26116-12-1
2-(Aminomethyl)-1-ethylpyrrolidine is a pharmaceutical preparation that has been used in the analytical method for determining …
Formula:
C7H16N2
Purity:
Min. 95%
Color and Shape:
Clear Liquid
Molecular weight:
128.22 g/mol

Ref: 3D-IA63832

25g136.00 €
50g152.00 €
100g213.00 €
250g400.00 €
500g639.00 €
Estimated delivery in United States, on Monday 10 Feb 2025
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1-Desmethyl granisetron
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1-Desmethyl granisetron

CAS:107007-95-4
1-Desmethyl granisetron is an impurity found in the synthesis of granisetron hydrochloride. It is a …
Formula:
C17H22N4O
Purity:
Min. 95%
Molecular weight:
298.38 g/mol

Ref: 3D-ID21275

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Estimated delivery in United States, on Monday 10 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

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Estimated delivery in United States, on Monday 10 Feb 2025
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Omeprazole Impurity 65
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Omeprazole Impurity 65

Impurity 65 is an impurity of Omeprazole, a drug used to treat gastroesophageal reflux disease …
Formula:
C17H17N3O4
Purity:
Min. 95%
Molecular weight:
327.33 g/mol

Ref: 3D-IE177230

50mgTo inquire
Estimated delivery in United States, on Monday 10 Feb 2025
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5-Ethyl-5-phenyl-2-(1-phenylpropyl)dihydropyrimidine-4,6(1H,5H)-dione
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5-Ethyl-5-phenyl-2-(1-phenylpropyl)dihydropyrimidine-4,6(1H,5H)-dione

CAS:1189504-46-8
5-Ethyl-5-phenyl-2-(1-phenylpropyl)dihydropyrimidine-4,6(1H,5H)-dione is an impurity in the drug product of the drug 5-[3-(3,4-dihydroisoquinolin-2(1H)-yl)propoxy]-2,2'-bis[N-(2-hydroxyethyl)]ethaneamine. It is an …
Formula:
C21H24N2O2
Purity:
Min. 95%
Color and Shape:
White Powder
Molecular weight:
336.43 g/mol

Ref: 3D-IE145635

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Estimated delivery in United States, on Monday 10 Feb 2025
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Indoxacarb Impurity 6
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Indoxacarb Impurity 6

CAS:144172-24-7
Indoxacarb is a racemic compound that is used as an insecticide. It belongs to the …
Formula:
C11H9ClO4
Purity:
Min. 95%
Molecular weight:
240.64 g/mol

Ref: 3D-II173125

25gTo inquire
Estimated delivery in United States, on Monday 10 Feb 2025
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Anastrozole dimer impurity - 65%
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Anastrozole dimer impurity - 65%

CAS:1216898-82-6
Anastrozole is an aromatase inhibitor used in the treatment of breast cancer. It is a …
Formula:
C30H31N9
Purity:
Min. 95%
Molecular weight:
517.63 g/mol

Ref: 3D-IA61497

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N-[(6-Chloropyridin-3-yl)methyl]-N-methylacetamide
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N-[(6-Chloropyridin-3-yl)methyl]-N-methylacetamide

CAS:864628-19-3
N-[(6-Chloropyridin-3-yl)methyl]-N-methylacetamide (CAS No. 864628-19-3) is a drug product that has a natural and synthetic origin. …
Formula:
C9H11ClN2O
Purity:
Min. 95%
Molecular weight:
198.65 g/mol

Ref: 3D-IC171311

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Estimated delivery in United States, on Monday 10 Feb 2025
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N1.9,N1.9-Dimethyldesmopressin
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N1.9,N1.9-Dimethyldesmopressin

N1.9,N1.9-Dimethyldesmopressin is a synthetic analog of the natural hormone vasopressin. It is used as a …
Purity:
Min. 95%

Ref: 3D-ID173217

100mgTo inquire
Estimated delivery in United States, on Monday 10 Feb 2025
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2-Propylimidazole-4,5-dicarboxylic acid
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2-Propylimidazole-4,5-dicarboxylic acid

CAS:58954-23-7
2-Propylimidazole-4,5-dicarboxylic acid is an organic compound with the chemical formula CH2=C(CH3)CO2H. It is a colorless …
Formula:
C8H10N2O4
Purity:
Min. 95%
Molecular weight:
198.18 g/mol

Ref: 3D-IP57935

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Estimated delivery in United States, on Monday 10 Feb 2025
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Dutasteride EP impurity E
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Dutasteride EP impurity E

CAS:2102935-76-0
Please enquire for more information about Dutasteride EP impurity E including the price, delivery time …
Formula:
C27H30F6N2O2
Purity:
Min. 95%
Molecular weight:
528.54 g/mol

Ref: 3D-ID183744

1mg801.00 €
2mg1,160.00 €
5mg1,855.00 €
10mg2,783.00 €
500µg517.00 €
Estimated delivery in United States, on Monday 10 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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25mgTo inquire
Estimated delivery in United States, on Monday 10 Feb 2025
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Des(oxopentyl) valsartan benzyl ester
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Des(oxopentyl) valsartan benzyl ester

CAS:676129-93-4
Des(oxopentyl) Valsartan Benzyl Ester is an analytical standard for the drug valsartan. It is a …
Formula:
C26H27N5O2
Purity:
Min. 95%
Molecular weight:
441.53 g/mol

Ref: 3D-ID21096

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Estimated delivery in United States, on Monday 10 Feb 2025
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1,3-Bis-O-(tert-butyldimethylsilyl)-calcipotriene
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1,3-Bis-O-(tert-butyldimethylsilyl)-calcipotriene

CAS:112875-61-3
1,3-Bis-O-(tert-butyldimethylsilyl)-calcipotriene is a synthetic silyl ether of calcipotriene. It is used for the synthesis of …
Formula:
C39H68O3Si2
Purity:
Min. 95 Area-%
Color and Shape:
Powder
Molecular weight:
641.13 g/mol

Ref: 3D-IC166565

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Estimated delivery in United States, on Monday 10 Feb 2025
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4-[2-(5-Ethyl-2-pyridinyl)ethoxy]benzenepropanoic acid ethyl ester
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4-[2-(5-Ethyl-2-pyridinyl)ethoxy]benzenepropanoic acid ethyl ester

CAS:868754-42-1
4-[2-(5-Ethyl-2-pyridinyl)ethoxy]benzenepropanoic acid ethyl ester is an analytical standard for metabolite identification and quantitation in human …
Formula:
C20H25NO3
Purity:
Min. 95%
Molecular weight:
327.42 g/mol

Ref: 3D-IE23113

50mgTo inquire
Estimated delivery in United States, on Monday 10 Feb 2025
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1,4-Bis(2,3,4-trimethoxybenzyl)piperazine
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1,4-Bis(2,3,4-trimethoxybenzyl)piperazine

CAS:1257-19-8
1,4-Bis(2,3,4-trimethoxybenzyl)piperazine (1,4BTMP) is a piperazine derivative that has been shown to have inotropic properties. 1,4BTMP …
Formula:
C24H34O6
Purity:
Min. 95%
Molecular weight:
418.52 g/mol

Ref: 3D-IB63857

25mg194.00 €
50mg310.00 €
100mg453.00 €
250mg711.00 €
500mg1,045.00 €
Estimated delivery in United States, on Monday 10 Feb 2025
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