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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Product data	Purity	Price range	Estimated delivery
3,4-Dimethoxyphenyl isopropyl ketone REF: 3D-ID145569CAS: 14046-55-0	Min. 95%	To inquire	Tue 21 Jan 25
7-Hydroxyhyoscyamine REF: 3D-IH171348CAS: 949092-65-3	Min. 95%	186.00 €~2,104.00 €	Tue 21 Jan 25
Defluoropitavastatin calcium Salt REF: 3D-ID145425CAS: 1258947-30-6	Min. 95%	To inquire	Tue 21 Jan 25
Bisoprolol impurity G REF: 3D-IB157247CAS: 1215342-36-1	Min. 95%	310.00 €~1,449.00 €	Tue 21 Jan 25
(3R,5S,6E)-7-[4-(4-Fluorophenyl)-6-(1-methylethyl)-2-[methyl[(2-hydroxy-2-methylpropyl)sulfonyl]amino]-5-pyrimidinyl]-3,5-dihydroxy- 6-heptenoic acid sodium salt REF: 3D-IF156830CAS: 1714147-50-8	Min. 95%	172.00 €~1,305.00 €	Tue 21 Jan 25
Capecitabine 2',3'-cyclic carbonate REF: 3D-NC16644CAS: 921769-65-5	Min. 95%	189.00 €~1,021.00 €	Tue 21 Jan 25
(3R,5S,6E)-7-[1-ethyl-3-(4-fluorophenyl)-1H-indol-2-yl]-3,5-dihydroxy-6-heptenoic acid sodium salt REF: 3D-IE23517CAS: 93936-64-2	Min. 95%	To inquire	Tue 21 Jan 25
1,1-Bis(p-isobutylphenyl)ethane REF: 3D-IB171023CAS: 102120-87-6	Min. 95%	To inquire	Tue 21 Jan 25
Glimepiride EP Impurity F REF: 3D-IG183143CAS: 2731586-74-4	Min. 95%	To inquire	Tue 21 Jan 25
1-Phenyl-1,2,3,4-tetrahydro-isoquinoline REF: 3D-IP14816CAS: 22990-19-8	Min. 95%	136.00 €~455.00 €	Tue 21 Jan 25
Monic acid A REF: 3D-FM26045CAS: 66262-68-8	Min. 95%	To inquire	Tue 21 Jan 25
N2-Methyl alfuzosin hydrochloride (1:x) REF: 3D-IM159048CAS: 72104-34-8	Min. 95%	To inquire	Tue 21 Jan 25
2-Hydroxy-5-[2-[4-(2-imino-1(2H)-pyridinyl)phenyl]diazenyl]-benzoic acid REF: 3D-IH145665CAS: 66030-25-9	85%Min	To inquire	Tue 21 Jan 25
Metformin EP Impurity B Dinitrate REF: 3D-FM171049CAS: 27369-26-2	Min. 95%	To inquire	Tue 21 Jan 25
3-[2-[(5-Ethyl-2-pyridinyl)ethoxy]phenyl] Pioglitazone Impurity REF: 3D-IE165312CAS: 952187-99-4	Min. 95%	To inquire	Tue 21 Jan 25
Lansoprazole impurity H REF: 3D-FL162188CAS: 1346598-28-4	90%Min	194.00 €~925.00 €	Tue 21 Jan 25
2-Methoxy-5-sulfamoylbenzamide REF: 3D-IM145488CAS: 52395-25-2	Min. 95%	To inquire	Tue 21 Jan 25
Cefazolin EP Impurity G REF: 3D-IC181318CAS: 1172998-53-6	Min. 95%	To inquire	Tue 21 Jan 25
(5E)-2,2-Dimethyl-7-[methyl(1-naphthalenylmethyl)amino]-5-hepten-3-ynoic acid REF: 3D-ID19739CAS: 99473-14-0	Min. 95%	To inquire	Tue 21 Jan 25
Remdesivir impurity 4 REF: 3D-IR177101CAS: 2096985-18-9	Min. 95%	To inquire	Tue 21 Jan 25

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3,4-Dimethoxyphenyl isopropyl ketone

CAS:14046-55-0

3,4-Dimethoxyphenyl isopropyl ketone (DMPK) is a calcium antagonist that has been shown to be hypotensive …

Formula:

C₁₂H₁₆O₃

Purity:

Min. 95%

Molecular weight:

208.25 g/mol

Ref: 3D-ID145569

1g		1,047.00 €
50mg		194.00 €
100mg		310.00 €
250mg		453.00 €
500mg		711.00 €

Estimated delivery in United States, on Tuesday 21 Jan 2025

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7-Hydroxyhyoscyamine

CAS:949092-65-3

7-Hydroxyhyoscyamine is an antibacterial agent that is used in the treatment of bacterial infections. It …

Formula:

C₁₇H₂₃NO₄

Purity:

Min. 95%

Color and Shape:

Powder

Molecular weight:

305.4 g/mol

Ref: 3D-IH171348

2mg		548.00 €
5mg		820.00 €
10mg		1,193.00 €
25mg		1,543.00 €
50mg		2,104.00 €

Estimated delivery in United States, on Tuesday 21 Jan 2025

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Defluoropitavastatin calcium Salt

CAS:1258947-30-6

Defluoropitavastatin calcium salt is a synthetic, high purity, pharmacopoeia drug product. It is a metabolite …

Purity:

Min. 95%

Ref: 3D-ID145425

1mg		To inquire
5mg		To inquire
10mg		To inquire

Estimated delivery in United States, on Tuesday 21 Jan 2025

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Bisoprolol impurity G

CAS:1215342-36-1

Bisoprolol impurity G is a metabolite of bisoprolol. It is the standard for bisoprolol impurities …

Formula:

C₁₉H₃₃NO₅

Purity:

Min. 95%

Molecular weight:

355.47 g/mol

Ref: 3D-IB157247

1mg		310.00 €
2mg		436.00 €
5mg		582.00 €
10mg		863.00 €
25mg		1,449.00 €

Estimated delivery in United States, on Tuesday 21 Jan 2025

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(3R,5S,6E)-7-[4-(4-Fluorophenyl)-6-(1-methylethyl)-2-[methyl[(2-hydroxy-2-methylpropyl)sulfonyl]am…

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(3R,5S,6E)-7-[4-(4-Fluorophenyl)-6-(1-methylethyl)-2-[methyl[(2-hydroxy-2-methylpropyl)sulfonyl]amino]-5-pyrimidinyl]-3,5-dihydroxy- 6-heptenoic acid sodium salt

CAS:1714147-50-8

(3R,5S,6E)-7-[4-(4-Fluorophenyl)-6-(1-methylethyl)-2-[methyl[(2-hydroxy-2-methylpropyl)sulfonyl]amino]-5-pyrimidinyl]-3,5-dihydroxy- 6-heptenoic acid sodium salt is a synthetic drug product. It is an impurity standard …

Formula:

C₂₅H₃₃FN₃NaO₇S

Purity:

Min. 95%

Molecular weight:

561.6 g/mol

Ref: 3D-IF156830

1mg		172.00 €
2mg		248.00 €
5mg		436.00 €
10mg		647.00 €
25mg		1,305.00 €

Estimated delivery in United States, on Tuesday 21 Jan 2025

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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

1mg		189.00 €
2mg		307.00 €
5mg		400.00 €
10mg		569.00 €
25mg		1,021.00 €

Estimated delivery in United States, on Tuesday 21 Jan 2025

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(3R,5S,6E)-7-[1-ethyl-3-(4-fluorophenyl)-1H-indol-2-yl]-3,5-dihydroxy-6-heptenoic acid sodium salt

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(3R,5S,6E)-7-[1-ethyl-3-(4-fluorophenyl)-1H-indol-2-yl]-3,5-dihydroxy-6-heptenoic acid sodium salt

CAS:93936-64-2

(3R,5S,6E)-7-[1-ethyl-3-(4-fluorophenyl)-1H-indol-2-yl]-3,5-dihydroxy-6-heptenoic acid sodium salt is an impurity standard for the drug product. It is a …

Formula:

C₂₃H₂₃FNNaO₄

Purity:

Min. 95%

Molecular weight:

419.42 g/mol

Ref: 3D-IE23517

1mg		To inquire
2mg		To inquire
5mg		To inquire
10mg		To inquire

Estimated delivery in United States, on Tuesday 21 Jan 2025

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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

1g		To inquire
50mg		To inquire
100mg		To inquire
250mg		To inquire
500mg		To inquire

Estimated delivery in United States, on Tuesday 21 Jan 2025

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Glimepiride EP Impurity F

CAS:2731586-74-4

Please enquire for more information about Glimepiride EP Impurity F including the price, delivery time …

Formula:

C₁₈H₂₃N₃O₆S

Purity:

Min. 95%

Molecular weight:

409.46 g/mol

Ref: 3D-IG183143

10mg		To inquire
25mg		To inquire
50mg		To inquire
100mg		To inquire

Estimated delivery in United States, on Tuesday 21 Jan 2025

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1-Phenyl-1,2,3,4-tetrahydro-isoquinoline

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1-Phenyl-1,2,3,4-tetrahydro-isoquinoline

CAS:22990-19-8

1-Phenyl-1,2,3,4-tetrahydro-isoquinoline is a synthetic compound which has been used as a lead compound for the …

Formula:

C₁₅H₁₅N

Purity:

Min. 95%

Color and Shape:

Powder

Molecular weight:

209.29 g/mol

Ref: 3D-IP14816

5g		136.00 €
10g		151.00 €
25g		213.00 €
50g		340.00 €
100g		455.00 €

Estimated delivery in United States, on Tuesday 21 Jan 2025

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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

5mg		To inquire
10mg		To inquire
25mg		To inquire
50mg		To inquire
100mg		To inquire

Estimated delivery in United States, on Tuesday 21 Jan 2025

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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

5mg		To inquire
10mg		To inquire
25mg		To inquire

Estimated delivery in United States, on Tuesday 21 Jan 2025

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2-Hydroxy-5-[2-[4-(2-imino-1(2H)-pyridinyl)phenyl]diazenyl]-benzoic acid

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2-Hydroxy-5-[2-[4-(2-imino-1(2H)-pyridinyl)phenyl]diazenyl]-benzoic acid

CAS:66030-25-9

2-Hydroxy-5-[2-[4-(2-imino-1(2H)-pyridinyl)phenyl]diazenyl]-benzoic acid (DPC) is a drug product that is used in pharmaceutical research and development. …

Formula:

C₁₈H₁₄N₄O₃

Purity:

85%Min

Molecular weight:

334.33 g/mol

Ref: 3D-IH145665

2mg		194.00 €
5mg		310.00 €
10mg		453.00 €
25mg		711.00 €
50mg		1,160.00 €

Estimated delivery in United States, on Tuesday 21 Jan 2025

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Metformin EP Impurity B Dinitrate

CAS:27369-26-2

Metformin EP Impurity B Dinitrate is a metabolite of metformin. Metformin is a drug product …

Formula:

C₄H₈N₈·2HNO₃

Purity:

Min. 95%

Molecular weight:

294.19 g/mol

Ref: 3D-FM171049

5mg		To inquire
10mg		To inquire
25mg		To inquire
50mg		To inquire
100mg		To inquire

Estimated delivery in United States, on Tuesday 21 Jan 2025

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3-[2-[(5-Ethyl-2-pyridinyl)ethoxy]phenyl] Pioglitazone Impurity

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3-[2-[(5-Ethyl-2-pyridinyl)ethoxy]phenyl] Pioglitazone Impurity

CAS:952187-99-4

3-[2-[(5-Ethyl-2-pyridinyl)ethoxy]phenyl] Pioglitazone Impurity is a drug product that is used for analytical purposes and as …

Formula:

C₃₄H₃₅N₃O₄S

Purity:

Min. 95%

Molecular weight:

581.73 g/mol

Ref: 3D-IE165312

25mg		To inquire
50mg		To inquire
100mg		To inquire

Estimated delivery in United States, on Tuesday 21 Jan 2025

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Lansoprazole impurity H

CAS:1346598-28-4

Lansoprazole impurity H is a metabolite of lansoprazole, a proton pump inhibitor that inhibits the …

Formula:

C₂₃H₁₆F₃N₅OS

Purity:

90%Min

Molecular weight:

467.47 g/mol

Ref: 3D-FL162188

2mg		194.00 €
5mg		310.00 €
10mg		453.00 €
25mg		647.00 €
50mg		925.00 €

Estimated delivery in United States, on Tuesday 21 Jan 2025

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2-Methoxy-5-sulfamoylbenzamide

CAS:52395-25-2

2-Methoxy-5-sulfamoylbenzamide is a white crystalline solid that is soluble in water. This compound has been …

Formula:

C₈H₁₀N₂O₄S

Purity:

Min. 95%

Molecular weight:

230.24 g/mol

Ref: 3D-IM145488

5mg		To inquire
10mg		To inquire
25mg		To inquire

Estimated delivery in United States, on Tuesday 21 Jan 2025

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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

5g		8,115.00 €
10g		11,708.00 €
10mg		826.00 €
25mg		1,768.00 €
50mg		2,609.00 €

Estimated delivery in United States, on Tuesday 21 Jan 2025

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(5E)-2,2-Dimethyl-7-[methyl(1-naphthalenylmethyl)amino]-5-hepten-3-ynoic acid

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(5E)-2,2-Dimethyl-7-[methyl(1-naphthalenylmethyl)amino]-5-hepten-3-ynoic acid

CAS:99473-14-0

(5E)-2,2-Dimethyl-7-[methyl(1-naphthalenylmethyl)amino]-5-hepten-3-ynoic acid is a drug product that has been custom synthesized. It is available in …

Formula:

C₂₁H₂₃NO₂

Purity:

Min. 95%

Molecular weight:

321.41 g/mol