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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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Levovirin
REF: 3D-IL167156CAS: 206269-27-4 		Min. 95%To inquireTue 14 Jan 25
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Levofloxacin diamine impurity
REF: 3D-FL176031CAS: 1797099-76-3 		Min. 95%To inquireTue 14 Jan 25
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N-[(6-Chloropyridin-3-yl)methyl]-N-methylacetamide
REF: 3D-IC171311CAS: 864628-19-3 		Min. 95%To inquireTue 14 Jan 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 inquireTue 14 Jan 25
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1-[1-(4-Methoxyphenyl)-2-[[2-(4-methoxyphenyl)ethyl]amino]ethyl]cyclohexanol
REF: 3D-IM63868CAS: 1329795-88-1 		Min. 95%189.00 €~1,084.00 €Tue 14 Jan 25
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m-Glimepiride impurity
REF: 3D-IM25123CAS: 791104-62-6 		Min. 95%711.00 €~7,141.00 €Tue 14 Jan 25
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Remdesivir impurity 9
REF: 3D-IR177106CAS: 1689993-65-4 		Min. 95%To inquireTue 14 Jan 25
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2-(2,3-Dichlorophenyl)-2-(guanidinoimino) acetonitrile
REF: 3D-ID58056CAS: 94213-23-7 		Min. 95%To inquireTue 14 Jan 25
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2-Cyclohexyl-2-(4-methoxyphenyl)-N,N-dimethylethanamine
REF: 3D-IC63867CAS: 1076199-92-2 		Min. 95%151.00 €~949.00 €Tue 14 Jan 25
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Capecitabine 2',3'-cyclic carbonate
REF: 3D-NC16644CAS: 921769-65-5 		Min. 95%189.00 €~1,021.00 €Tue 14 Jan 25
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1,1-Bis(p-isobutylphenyl)ethane
REF: 3D-IB171023CAS: 102120-87-6 		Min. 95%To inquireTue 14 Jan 25
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Monic acid A
REF: 3D-FM26045CAS: 66262-68-8 		Min. 95%To inquireTue 14 Jan 25
Biosynth logo
N2-Methyl alfuzosin hydrochloride (1:x)
REF: 3D-IM159048CAS: 72104-34-8 		Min. 95%To inquireTue 14 Jan 25
Biosynth logo
Cefazolin EP Impurity G
REF: 3D-IC181318CAS: 1172998-53-6 		Min. 95%To inquireTue 14 Jan 25
Biosynth logo
Remdesivir impurity 4
REF: 3D-IR177101CAS: 2096985-18-9 		Min. 95%To inquireTue 14 Jan 25
Biosynth logo
Simvastatin hydroxy acid methyl ester
REF: 3D-IS27837CAS: 145576-26-7 		Min. 95%To inquireTue 14 Jan 25
Biosynth logo
Chlorhexidine dihydrochloride impurity B
REF: 3D-IC74834CAS: 1308292-89-8 		Min. 95%310.00 €~2,402.00 €Tue 14 Jan 25
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(R)-Pramipexole 2HCl
REF: 3D-FP27117CAS: 104632-28-2 		Min. 95%To inquireTue 14 Jan 25
Biosynth logo
(Z) -2- [4- (1, 2- Diphenylethenyl) phenoxy] - N, N- diethyl- ethanamine hydrochloride (E/Z Mixture)
REF: 3D-OD166680CAS: 97800-41-4 		Min. 95%To inquireTue 14 Jan 25
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(3R,4S,5S,6R)-2-(4-Chloro-3-(4-(((S)-tetrahydrofuran-3-yl)oxy)benzyl)phenyl)-6-(hydroxymethyl)-2-methoxytetrahydro-2H-pyran-3,4,5-tr iol
REF: 3D-IE181146CAS: 915095-96-4 		Min. 95%To inquireTue 14 Jan 25
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Levovirin
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Levovirin

Controlled Product
CAS:206269-27-4
Levovirin is an antiviral agent that belongs to the class of ribonucleotide reductase inhibitors. It …
Formula:
C8H12N4O5
Purity:
Min. 95%
Molecular weight:
244.2 g/mol

Ref: 3D-IL167156

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10mgTo inquire
25mgTo inquire
Estimated delivery in United States, on Tuesday 14 Jan 2025
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Levofloxacin diamine impurity
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Levofloxacin diamine impurity

CAS:1797099-76-3
Levofloxacin is a synthetic fluoroquinolone antibiotic. The diamine impurity of levofloxacin is the major metabolite …
Purity:
Min. 95%

Ref: 3D-FL176031

250mgTo inquire
500mgTo inquire
Estimated delivery in United States, on Tuesday 14 Jan 2025
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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

1gTo inquire
500mgTo inquire
Estimated delivery in United States, on Tuesday 14 Jan 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

1mgTo inquire
2mgTo inquire
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25mgTo inquire
Estimated delivery in United States, on Tuesday 14 Jan 2025
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1-[1-(4-Methoxyphenyl)-2-[[2-(4-methoxyphenyl)ethyl]amino]ethyl]cyclohexanol
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1-[1-(4-Methoxyphenyl)-2-[[2-(4-methoxyphenyl)ethyl]amino]ethyl]cyclohexanol

CAS:1329795-88-1
1-[1-(4-Methoxyphenyl)-2-[[2-(4-methoxyphenyl)ethyl]amino]ethyl]cyclohexanol is a drug product that is used as a standard for HPLC. It is …
Formula:
C24H33NO3
Purity:
Min. 95%
Molecular weight:
383.52 g/mol

Ref: 3D-IM63868

1mg189.00 €
2mg307.00 €
5mg400.00 €
10mg640.00 €
25mg1,084.00 €
Estimated delivery in United States, on Tuesday 14 Jan 2025
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m-Glimepiride impurity
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m-Glimepiride impurity

CAS:791104-62-6
m-Glimepiride impurity is a chemical substance that belongs to the sulfonylurea family. It is used …
Formula:
C24H34N4O5S
Purity:
Min. 95%
Molecular weight:
490.62 g/mol

Ref: 3D-IM25123

1mg1,084.00 €
2mg2,041.00 €
5mg4,081.00 €
10mg7,141.00 €
500µg711.00 €
Estimated delivery in United States, on Tuesday 14 Jan 2025
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Remdesivir impurity 9
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Remdesivir impurity 9

CAS:1689993-65-4
CAS No.: 159970-52-6 Remdesivir impurity 9 is a synthetic, natural and drug development impurity standard. …
Formula:
C27H35N6O8P
Purity:
Min. 95%
Molecular weight:
602.58 g/mol

Ref: 3D-IR177106

10mgTo inquire
25mgTo inquire
Estimated delivery in United States, on Tuesday 14 Jan 2025
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2-(2,3-Dichlorophenyl)-2-(guanidinoimino) acetonitrile
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2-(2,3-Dichlorophenyl)-2-(guanidinoimino) acetonitrile

CAS:94213-23-7
Lamotrigine is a chemically unrelated compound, which is the active ingredient of a new class …
Formula:
C9H7Cl2N5
Purity:
Min. 95%
Molecular weight:
256.09 g/mol

Ref: 3D-ID58056

1gTo inquire
2gTo inquire
5gTo inquire
Estimated delivery in United States, on Tuesday 14 Jan 2025
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2-Cyclohexyl-2-(4-methoxyphenyl)-N,N-dimethylethanamine
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2-Cyclohexyl-2-(4-methoxyphenyl)-N,N-dimethylethanamine

CAS:1076199-92-2
2-Cyclohexyl-2-(4-methoxyphenyl)-N,N-dimethylethanamine is a synthetic research and development impurity standard. This compound is used as an …
Formula:
C17H27NO
Purity:
Min. 95%
Molecular weight:
261.4 g/mol

Ref: 3D-IC63867

1mg151.00 €
2mg213.00 €
5mg341.00 €
10mg480.00 €
25mg949.00 €
Estimated delivery in United States, on Tuesday 14 Jan 2025
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Capecitabine 2',3'-cyclic carbonate
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Capecitabine 2',3'-cyclic carbonate

CAS:921769-65-5
Capecitabine is a prodrug that is converted to 5-fluorouracil in the body. It has been …
Formula:
C16H20FN3O7
Purity:
Min. 95%
Molecular weight:
385.34 g/mol

Ref: 3D-NC16644

1mg189.00 €
2mg307.00 €
5mg400.00 €
10mg569.00 €
25mg1,021.00 €
Estimated delivery in United States, on Tuesday 14 Jan 2025
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1,1-Bis(p-isobutylphenyl)ethane
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1,1-Bis(p-isobutylphenyl)ethane

CAS:102120-87-6
1,1-Bis(p-isobutylphenyl)ethane is an acid catalyst that can be used in the synthesis of alkyl esters. …
Formula:
C22H30
Purity:
Min. 95%
Molecular weight:
294.47 g/mol

Ref: 3D-IB171023

1gTo inquire
50mgTo inquire
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500mgTo inquire
Estimated delivery in United States, on Tuesday 14 Jan 2025
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Monic acid A
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Monic acid A

CAS:66262-68-8
Metabolite of mupirocin
Formula:
C17H28O7
Purity:
Min. 95%
Molecular weight:
344.4 g/mol

Ref: 3D-FM26045

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10mgTo inquire
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100mgTo inquire
Estimated delivery in United States, on Tuesday 14 Jan 2025
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N2-Methyl alfuzosin hydrochloride (1:x)
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N2-Methyl alfuzosin hydrochloride (1:x)

CAS:72104-34-8
Alfuzosin is a drug used to treat the signs and symptoms of benign prostatic hyperplasia …
Purity:
Min. 95%

Ref: 3D-IM159048

5mgTo inquire
10mgTo inquire
25mgTo inquire
Estimated delivery in United States, on Tuesday 14 Jan 2025
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Cefazolin EP Impurity G
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Cefazolin EP Impurity G

CAS:1172998-53-6
Cefazolin EP Impurity G is a synthetic, impure drug product of cefazolin. It is an …
Formula:
C11H10N6O4S
Purity:
Min. 95%
Molecular weight:
322.3 g/mol

Ref: 3D-IC181318

5g8,115.00 €
10g11,708.00 €
10mg826.00 €
25mg1,768.00 €
50mg2,609.00 €
Estimated delivery in United States, on Tuesday 14 Jan 2025
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Remdesivir impurity 4
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Remdesivir impurity 4

CAS:2096985-18-9
Remdesivir is an antiviral drug that inhibits the viral enzyme, RNA-dependent RNA polymerase. Remdesivir is …
Formula:
C21H27N2O7P
Purity:
Min. 95%
Molecular weight:
450.42 g/mol

Ref: 3D-IR177101

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10mgTo inquire
Estimated delivery in United States, on Tuesday 14 Jan 2025
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Simvastatin hydroxy acid methyl ester
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Simvastatin hydroxy acid methyl ester

CAS:145576-26-7
Simvastatin hydroxy acid methyl ester is a drug product that belongs to the group of …
Formula:
C26H42O6
Purity:
Min. 95%
Molecular weight:
450.61 g/mol

Ref: 3D-IS27837

1mgTo inquire
2mgTo inquire
5mgTo inquire
10mgTo inquire
25mgTo inquire
Estimated delivery in United States, on Tuesday 14 Jan 2025
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Chlorhexidine dihydrochloride impurity B
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Chlorhexidine dihydrochloride impurity B

CAS:1308292-89-8
Chlorhexidine dihydrochloride impurity B is an impurity found in chlorhexidine dihydrochloride, a drug that is …
Formula:
C16H28Cl3N9O
Purity:
Min. 95%
Color and Shape:
White Powder
Molecular weight:
468.81 g/mol

Ref: 3D-IC74834

1mg480.00 €
2mg711.00 €
5mg1,044.00 €
10mg1,971.00 €
500µg310.00 €
Estimated delivery in United States, on Tuesday 14 Jan 2025
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(R)-Pramipexole 2HCl
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(R)-Pramipexole 2HCl

Controlled Product
CAS:104632-28-2
Dopamine (D2 and D3) receptor agonist; has anti-parkinsonian effects
Formula:
C10H19Cl2N3S
Purity:
Min. 95%
Molecular weight:
283.06767

Ref: 3D-FP27117

2mgTo inquire
5mgTo inquire
10mgTo inquire
25mgTo inquire
50mgTo inquire
Estimated delivery in United States, on Tuesday 14 Jan 2025
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(Z) -2- [4- (1, 2- Diphenylethenyl) phenoxy] - N, N- diethyl- ethanamine hydrochloride (E/Z Mixtur…
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(Z) -2- [4- (1, 2- Diphenylethenyl) phenoxy] - N, N- diethyl- ethanamine hydrochloride (E/Z Mixture)

CAS:97800-41-4
(Z) -2- [4- (1, 2- Diphenylethenyl) phenoxy] - N, N- diethyl- ethanamine hydrochloride is a …
Formula:
C26H29NO
Purity:
Min. 95%
Molecular weight:
371.51 g/mol

Ref: 3D-OD166680

250mgTo inquire
Estimated delivery in United States, on Tuesday 14 Jan 2025
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(3R,4S,5S,6R)-2-(4-Chloro-3-(4-(((S)-tetrahydrofuran-3-yl)oxy)benzyl)phenyl)-6-(hydroxymethyl)-2-m…
Biosynth logo
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(3R,4S,5S,6R)-2-(4-Chloro-3-(4-(((S)-tetrahydrofuran-3-yl)oxy)benzyl)phenyl)-6-(hydroxymethyl)-2-methoxytetrahydro-2H-pyran-3,4,5-tr iol

CAS:915095-96-4
(3R,4S,5S,6R)-2-(4-Chloro-3-(4-(((S)-tetrahydrofuran-3-yl)oxy)benzyl)phenyl)-6-(hydroxymethyl)-2-methoxytetrahydro-2H-pyran-3,4,5-tr iol is an analytical standard that is used to calibrate HPLC. It has a …
Formula:
C24H29ClO8
Purity:
Min. 95%
Molecular weight:
480.9 g/mol

Ref: 3D-IE181146

25mgTo inquire
50mgTo inquire
Estimated delivery in United States, on Tuesday 14 Jan 2025
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