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
Micafungin Metabolite M1 REF: 3D-IM183055CAS: 539823-80-8	Min. 95%	To inquire	Wed 05 Feb 25
Enrofloxacin impurity C REF: 3D-IE167733CAS: 138892-82-7	Min. 95%	To inquire	Wed 05 Feb 25
(2Z)-1-[5,6-Dihydro-3-(trifluoromethyl)-1,2,4-triazolo[4,3-α]pyrazin-7(8H)-yl]-4-(2,4,5-trifluorophenyl)-2-buten-1-one REF: 3D-ID183167CAS: 1803026-54-1	Min. 95%	To inquire	Wed 05 Feb 25
Di-destriazole anastrozole dimer impurity REF: 3D-ID21754CAS: 918312-71-7	Min. 95%	To inquire	Wed 05 Feb 25
Dapagliflozin Impurity 17 REF: 3D-ID181102CAS: 1807632-93-4	Min. 95%	To inquire	Wed 05 Feb 25
Demethylpiperazinyl sildenafil sulfonic acid REF: 3D-ID166407CAS: 1357931-55-5	Min. 95%	42.00 €~1,393.00 €	Wed 05 Feb 25
Olsalazine sodium impurity E REF: 3D-IO63798	Min. 95%	To inquire	Wed 05 Feb 25
Enalapril maleate impurity A REF: 3D-IE63754CAS: 1356932-13-2	Min. 95%	400.00 €~2,296.00 €	Wed 05 Feb 25
a-Ribavirin (impurity B) REF: 3D-NR10396CAS: 57198-02-4	Min. 95%	To inquire	Wed 05 Feb 25
Pencyclovir Impurity 1 REF: 3D-FP165992CAS: 100199-40-4	Min. 95%	To inquire	Wed 05 Feb 25
Desdifluoromethoxy hydroxy pantoprazole REF: 3D-ID85350CAS: 1261238-06-5	Min. 95%	To inquire	Wed 05 Feb 25
Lincomycin impurity B REF: 3D-IL171346CAS: 37744-65-3	Min. 95%	To inquire	Wed 05 Feb 25
Anastrozole dimer impurity - 65% REF: 3D-IA61497CAS: 1216898-82-6	Min. 95%	To inquire	Wed 05 Feb 25
Ropivacaine N-Oxide REF: 3D-FR162189CAS: 1391053-59-0	Min. 95%	To inquire	Wed 05 Feb 25
N1.9,N1.9-Dimethyldesmopressin REF: 3D-ID173217	Min. 95%	To inquire	Wed 05 Feb 25
2-[(2,6-Dichlorophenyl)amino]benzeneacetic Acid 2-(carboxymethoxy)-2-oxoethyl ester REF: 3D-ID156912CAS: 1215709-75-3	Min. 95%	To inquire	Wed 05 Feb 25
2-Ethoxy-1-[[2'-[1-(trityl)-1H-tetrazol-5-yl][1,1'-biphenyl]-4-yl]methyl]-1H-benzimidazole-4-carboxylic acid methyl ester REF: 3D-IE22869CAS: 150058-29-0	Min. 95%	To inquire	Wed 05 Feb 25
Des(oxopentyl) valsartan benzyl ester REF: 3D-ID21096CAS: 676129-93-4	Min. 95%	To inquire	Wed 05 Feb 25
(4-Carboxy-3-ethoxy)phenyl acetic acid REF: 3D-IC19752CAS: 220438-80-2	Min. 95%	To inquire	Wed 05 Feb 25
Loxoprofen Related Compound 2 - mixture of diastereomers REF: 3D-FL162229CAS: 1091621-62-3	Min. 95%	To inquire	Wed 05 Feb 25

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Micafungin Metabolite M1

CAS:539823-80-8

Micafungin Metabolite M1 is a metabolite of Micafungin. It is an impurity in the drug …

Formula:

C₅₆H₇₁N₉O₂₀

Purity:

Min. 95%

Molecular weight:

1,190.21 g/mol

Ref: 3D-IM183055

1mg		To inquire
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25mg		To inquire

Estimated delivery in United States, on Wednesday 5 Feb 2025

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Enrofloxacin impurity C

CAS:138892-82-7

Enrofloxacin impurity C is an impurity of enrofloxacin, a drug product. It is a metabolite …

Formula:

C₁₉H₂₃N₃O₃

Purity:

Min. 95%

Color and Shape:

Powder

Molecular weight:

341.4 g/mol

Ref: 3D-IE167733

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50mg		To inquire

Estimated delivery in United States, on Wednesday 5 Feb 2025

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(2Z)-1-[5,6-Dihydro-3-(trifluoromethyl)-1,2,4-triazolo[4,3-α]pyrazin-7(8H)-yl]-4-(2,4,5-trifluorop…

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(2Z)-1-[5,6-Dihydro-3-(trifluoromethyl)-1,2,4-triazolo[4,3-α]pyrazin-7(8H)-yl]-4-(2,4,5-trifluorophenyl)-2-buten-1-one

CAS:1803026-54-1

Please enquire for more information about (2Z)-1-[5,6-Dihydro-3-(trifluoromethyl)-1,2,4-triazolo[4,3-α]pyrazin-7(8H)-yl]-4-(2,4,5-trifluorophenyl)-2-buten-1-one including the price, delivery time and more detailed …

Formula:

C₁₆H₁₂F₆N₄O

Purity:

Min. 95%

Molecular weight:

390.28 g/mol

Ref: 3D-ID183167

50mg To inquire

Estimated delivery in United States, on Wednesday 5 Feb 2025

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Di-destriazole anastrozole dimer impurity

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Di-destriazole anastrozole dimer impurity

CAS:918312-71-7

Di-destriazole anastrozole dimer impurity is a synthetic impurity that is created during the synthesis of …

Formula:

C₂₆H₂₉N₃

Purity:

Min. 95%

Molecular weight:

383.53 g/mol

Ref: 3D-ID21754

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Estimated delivery in United States, on Wednesday 5 Feb 2025

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Dapagliflozin Impurity 17

CAS:1807632-93-4

Dapagliflozin Impurity 17 is a research and development impurity standard for HPLC. It is a …

Formula:

C₁₅H₁₄Br₂O

Purity:

Min. 95%

Molecular weight:

370.08 g/mol

Ref: 3D-ID181102

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Estimated delivery in United States, on Wednesday 5 Feb 2025

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Demethylpiperazinyl sildenafil sulfonic acid

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Demethylpiperazinyl sildenafil sulfonic acid

CAS:1357931-55-5

Demethylpiperazinyl Sildenafil Sulfonic Acid is a prodrug of sildenafil, which is an organic compound. It …

Formula:

C₁₇H₂₀N₄O₅S

Purity:

Min. 95%

Color and Shape:

Powder

Molecular weight:

392.43 g/mol

Ref: 3D-ID166407

10mg		179.00 €
25mg		336.00 €
50mg		453.00 €
100mg		711.00 €
250mg		1,393.00 €

Estimated delivery in United States, on Wednesday 5 Feb 2025

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Olsalazine sodium impurity E

CAS No. is a drug product that has been custom synthesized for research and development …

Formula:

C₁₅H₁₂N₂O₈S

Purity:

Min. 95%

Molecular weight:

380.33 g/mol

Ref: 3D-IO63798

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Estimated delivery in United States, on Wednesday 5 Feb 2025

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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

1mg		400.00 €
2mg		569.00 €
5mg		813.00 €
10mg		1,276.00 €
25mg		2,296.00 €

Estimated delivery in United States, on Wednesday 5 Feb 2025

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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 Wednesday 5 Feb 2025

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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

1mg		To inquire
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Estimated delivery in United States, on Wednesday 5 Feb 2025

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Desdifluoromethoxy hydroxy pantoprazole

CAS:1261238-06-5

Desdifluoromethoxy hydroxy pantoprazole is a synthetic compound that is used as an impurity standard for …

Formula:

C₁₅H₁₅N₃O₄S

Purity:

Min. 95%

Molecular weight:

333.36 g/mol

Ref: 3D-ID85350

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Estimated delivery in United States, on Wednesday 5 Feb 2025

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Lincomycin impurity B

CAS:37744-65-3

Lincomycin impurity B is a chemical substance which is the result of the metabolism of …

Formula:

C₁₈H₃₂N₂O₆S

Purity:

Min. 95%

Molecular weight:

404.52 g/mol

Ref: 3D-IL171346

1mg		To inquire
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500µg		To inquire

Estimated delivery in United States, on Wednesday 5 Feb 2025

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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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Estimated delivery in United States, on Wednesday 5 Feb 2025

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Ropivacaine N-Oxide

CAS:1391053-59-0

Ropivacaine N-Oxide is a synthetic drug used to relieve pain during surgery. It is metabolized …

Formula:

C₁₇H₂₆N₂O₂

Purity:

Min. 95%

Color and Shape:

Solid

Molecular weight:

290.4 g/mol

Ref: 3D-FR162189

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Estimated delivery in United States, on Wednesday 5 Feb 2025

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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

100mg To inquire

Estimated delivery in United States, on Wednesday 5 Feb 2025

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2-[(2,6-Dichlorophenyl)amino]benzeneacetic Acid 2-(carboxymethoxy)-2-oxoethyl ester

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2-[(2,6-Dichlorophenyl)amino]benzeneacetic Acid 2-(carboxymethoxy)-2-oxoethyl ester

CAS:1215709-75-3

2-[(2,6-Dichlorophenyl)amino]benzeneacetic Acid 2-(carboxymethoxy)-2-oxoethyl ester is a drug product that belongs to the class of Custom …

Formula:

C₁₈H₁₅Cl₂NO₆

Purity:

Min. 95%

Molecular weight:

412.22 g/mol

Ref: 3D-ID156912

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Estimated delivery in United States, on Wednesday 5 Feb 2025

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2-Ethoxy-1-[[2'-[1-(trityl)-1H-tetrazol-5-yl][1,1'-biphenyl]-4-yl]methyl]-1H-benzimidazole-4-carbo…

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2-Ethoxy-1-[[2'-[1-(trityl)-1H-tetrazol-5-yl][1,1'-biphenyl]-4-yl]methyl]-1H-benzimidazole-4-carboxylic acid methyl ester

CAS:150058-29-0

2-Ethoxy-1-[2'-[1-(trityl)-1H-tetrazol-5-yl][1,1'-biphenyl]-4-yl]methyl]-1H-benzimidazole-4-carboxylic acid methyl ester is an impurity in the drug product, which is a synthetic …

Formula:

C₄₄H₃₆N₆O₃

Purity:

Min. 95%

Molecular weight:

696.8 g/mol