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
Torasemide Impurity E REF: 3D-FT176082CAS: 72810-57-2	Min. 95%	136.00 €~569.00 €	Thu 23 Jan 25
2-Demethoxy-4-methoxy urapidil REF: 3D-ID139023CAS: 34661-79-5	Min. 95%	To inquire	Thu 23 Jan 25
Benserazide EP Impurity B hydrochloride REF: 3D-IB183713	Min. 95%	813.00 €~4,405.00 €	Thu 23 Jan 25
3-Carboxy-a-methyl-benzeneacetic acid REF: 3D-IC19808CAS: 68432-95-1	Min. 95%	310.00 €~1,913.00 €	Thu 23 Jan 25
Cefazolinamide REF: 3D-IC183354CAS: 2410652-70-7	Min. 95%	364.00 €~2,898.00 €	Thu 23 Jan 25
Piperacillin impurity N REF: 3D-IP183355CAS: 2170771-53-4	Min. 95%	To inquire	Thu 23 Jan 25
L-Piperacillin REF: 3D-IP183358	Min. 95%	To inquire	Thu 23 Jan 25
Decarboxy ciprofloxacin REF: 3D-IC58176CAS: 105394-83-0	Min. 95%	To inquire	Thu 23 Jan 25
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 €	Thu 23 Jan 25
Acyclovir Impurity O REF: 3D-IA158674	Min. 95%	To inquire	Thu 23 Jan 25
Losartan azide REF: 3D-IL183331CAS: 727718-93-6	Min. 95%	138.00 €~801.00 €	Thu 23 Jan 25
Chlorpromazine EP Impurity F REF: 3D-IC176065CAS: 72372-62-4	Min. 95%	To inquire	Thu 23 Jan 25
Solifenacin Impurity D REF: 3D-IS167472CAS: 2216750-52-4	Min. 96 Area-%	To inquire	Thu 23 Jan 25
Bromfenac sodium imp-B REF: 3D-FB172788CAS: 91713-90-5	Min. 95%	To inquire	Thu 23 Jan 25
Ivermectin Impurity K REF: 3D-II167731CAS: 74567-01-4	Min. 95%	647.00 €~2,551.00 €	Thu 23 Jan 25
(24R)-Calcipotriene REF: 3D-IC76464CAS: 112827-99-3	Min. 95%	To inquire	Thu 23 Jan 25
(S)-(-)-1,1,2-Triphenyl-1,2-ethanediol REF: 3D-IT58096CAS: 108998-83-0	Min. 95%	To inquire	Thu 23 Jan 25
Levothyroxine EP impurity B REF: 3D-IL183329CAS: 1628720-66-0	Min. 95%	To inquire	Thu 23 Jan 25
3-Hydroxy mepivacaine REF: 3D-IH24042CAS: 37055-90-6	Min. 95%	To inquire	Thu 23 Jan 25
Acyclovir Impurity K REF: 3D-IA167660CAS: 1797131-64-6	Min. 95%	To inquire	Thu 23 Jan 25

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Torasemide Impurity E

CAS:72810-57-2

Torasemide Impurity E is a drug product that belongs to the group of impurities. It …

Formula:

C₁₅H₁₇N₃O₄S

Purity:

Min. 95%

Molecular weight:

335.38 g/mol

Ref: 3D-FT176082

5mg		136.00 €
10mg		189.00 €
25mg		273.00 €
50mg		400.00 €
100mg		569.00 €

Estimated delivery in United States, on Thursday 23 Jan 2025

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2-Demethoxy-4-methoxy urapidil

CAS:34661-79-5

2-Demethoxy-4-methoxy urapidil is a drug product that is used in the development of new drugs. …

Formula:

C₂₀H₂₉N₅O₃

Purity:

Min. 95%

Molecular weight:

387.48 g/mol

Ref: 3D-ID139023

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

Estimated delivery in United States, on Thursday 23 Jan 2025

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Benserazide EP Impurity B hydrochloride

Please enquire for more information about Benserazide EP Impurity B hydrochloride including the price, delivery …

Formula:

C₁₇H₂₁N₃O₈•HCl

Purity:

Min. 95%

Molecular weight:

431.83 g/mol

Ref: 3D-IB183713

1mg		813.00 €
2mg		1,276.00 €
5mg		2,667.00 €
10mg		4,405.00 €

Estimated delivery in United States, on Thursday 23 Jan 2025

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3-Carboxy-a-methyl-benzeneacetic acid

CAS:68432-95-1

3-Carboxy-a-methyl-benzeneacetic acid (3CMA) is an impurity in the synthesis of 3,4-methylenedioxyphenylacetone. It is a preservative …

Formula:

C₁₀H₁₀O₄

Purity:

Min. 95%

Molecular weight:

194.18 g/mol

Ref: 3D-IC19808

1mg		310.00 €
2mg		436.00 €
5mg		582.00 €
10mg		924.00 €
25mg		1,913.00 €

Estimated delivery in United States, on Thursday 23 Jan 2025

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Cefazolinamide

CAS:2410652-70-7

Please enquire for more information about Cefazolinamide including the price, delivery time and more detailed …

Formula:

C₁₄H₁₅N₉O₃S₃

Purity:

Min. 95%

Molecular weight:

453.5 g/mol

Ref: 3D-IC183354

1mg		364.00 €
5mg		801.00 €
10mg		1,160.00 €
25mg		2,029.00 €
50mg		2,898.00 €

Estimated delivery in United States, on Thursday 23 Jan 2025

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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

25mg		To inquire
50mg		To inquire

Estimated delivery in United States, on Thursday 23 Jan 2025

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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

1mg		To inquire
2mg		To inquire
5mg		To inquire
10mg		To inquire
25mg		To inquire

Estimated delivery in United States, on Thursday 23 Jan 2025

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Decarboxy ciprofloxacin

CAS:105394-83-0

Decarboxy ciprofloxacin is a prodrug that is active against bacteria and other microorganisms. It has …

Formula:

C₁₆H₁₈FN₃O

Purity:

Min. 95%

Color and Shape:

Powder

Molecular weight:

287.33 g/mol

Ref: 3D-IC58176

1mg		To inquire
2mg		To inquire
5mg		To inquire
10mg		To inquire
25mg		To inquire

Estimated delivery in United States, on Thursday 23 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

1mg		248.00 €
2mg		364.00 €
5mg		517.00 €
10mg		801.00 €
25mg		1,449.00 €

Estimated delivery in United States, on Thursday 23 Jan 2025

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Acyclovir Impurity O

Acyclovir Impurity O is an impurity found in the drug Acyclovir. It has been shown …

Formula:

C₉H₁₃N₅O₄

Purity:

Min. 95%

Molecular weight:

255.23 g/mol

Ref: 3D-IA158674

1mg		To inquire
2mg		To inquire
5mg		To inquire
10mg		To inquire
25mg		To inquire

Estimated delivery in United States, on Thursday 23 Jan 2025

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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

1mg		138.00 €
2mg		194.00 €
5mg		310.00 €
10mg		453.00 €
25mg		801.00 €

Estimated delivery in United States, on Thursday 23 Jan 2025

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Chlorpromazine EP Impurity F

CAS:72372-62-4

Chlorpromazine EP Impurity F is a research and development impurity standard for the drug product, …

Purity:

Min. 95%

Ref: 3D-IC176065

200mg To inquire

Estimated delivery in United States, on Thursday 23 Jan 2025

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Solifenacin Impurity D

CAS:2216750-52-4

Solifenacin Impurity D is a synthetic impurity of solifenacin. Solifenacin is an anti-cholinergic drug used …

Formula:

C₃₁H₂₈N₂O

Purity:

Min. 96 Area-%

Color and Shape:

White Powder

Molecular weight:

444.57 g/mol

Ref: 3D-IS167472

25mg		To inquire
50mg		To inquire
100mg		To inquire
250mg		To inquire
500mg		To inquire

Estimated delivery in United States, on Thursday 23 Jan 2025

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Bromfenac sodium imp-B

CAS:91713-90-5

Bromfenac sodium imp-B is an analytical standard that is used in drug development and research …

Formula:

C₁₆H₁₂BrNO₂S

Purity:

Min. 95%

Molecular weight:

362.24 g/mol

Ref: 3D-FB172788

1mg		To inquire
2mg		To inquire
5mg		To inquire
10mg		To inquire
25mg		To inquire

Estimated delivery in United States, on Thursday 23 Jan 2025

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Ivermectin Impurity K

CAS:74567-01-4

Ivermectin Impurity K is an impurity in Ivermectin, a drug product. It is a natural …

Formula:

C₄₈H₇₆O₁₄

Purity:

Min. 95%

Molecular weight:

877.11 g/mol

Ref: 3D-II167731

1mg		647.00 €
2mg		986.00 €
5mg		1,855.00 €
10mg		2,551.00 €

Estimated delivery in United States, on Thursday 23 Jan 2025

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(24R)-Calcipotriene

CAS:112827-99-3

(24R)-Calcipotriene is a synthetic analog of calcitriol, the active form of vitamin D3. It is …

Formula:

C₂₇H₄₀O₃

Purity:

Min. 95%

Molecular weight:

412.6 g/mol

Ref: 3D-IC76464

1mg		To inquire
2mg		To inquire
5mg		To inquire
10mg		To inquire
500µg		To inquire

Estimated delivery in United States, on Thursday 23 Jan 2025

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(S)-(-)-1,1,2-Triphenyl-1,2-ethanediol

CAS:108998-83-0

(S)-(-)-1,1,2-Triphenyl-1,2-ethanediol is a chiral compound that is used in the synthesis of pharmaceuticals. The allylation …

Formula:

C₂₀H₁₈O₂

Purity:

Min. 95%

Molecular weight:

290.36 g/mol

Ref: 3D-IT58096

1g		To inquire
2g		To inquire
5g		To inquire
10g		To inquire
25g		To inquire

Estimated delivery in United States, on Thursday 23 Jan 2025

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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

25mg		To inquire
50mg		To inquire
100mg		To inquire
250mg		To inquire
500mg		To inquire

Estimated delivery in United States, on Thursday 23 Jan 2025

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3-Hydroxy mepivacaine

CAS:37055-90-6

3-Hydroxy mepivacaine is a drug product that is synthesized in the laboratory for research and …

Formula:

C₁₅H₂₂N₂O₂

Purity:

Min. 95%

Color and Shape:

Powder

Molecular weight:

262.35 g/mol

Ref: 3D-IH24042

10µg		To inquire
25µg		To inquire
50µg		To inquire
100µg		To inquire
250µg		To inquire

Estimated delivery in United States, on Thursday 23 Jan 2025

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Acyclovir Impurity K

CAS:1797131-64-6

Acyclovir Impurity K is a drug product that is used as an analytical reference standard …

Formula:

C₁₇H₂₂N₁₀O₆

Purity:

Min. 95%

Molecular weight:

462.42 g/mol

Ref: 3D-IA167660

1mg		To inquire
2mg		To inquire
5mg		To inquire
10mg		To inquire
25mg		To inquire

Estimated delivery in United States, on Thursday 23 Jan 2025

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