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
Carbidopa Impurity 2 REF: 3D-FH177505CAS: 1361017-74-4	Min. 95%	801.00 €~5,565.00 €	Fri 29 Nov 24
Levothyroxine EP impurity B REF: 3D-IL183329CAS: 1628720-66-0	Min. 95%	To inquire	Fri 29 Nov 24
rac-3-Deacetyl-3-butanoyl acebutolol hydrochloride REF: 3D-IR27447CAS: 57898-71-2	Min. 95%	To inquire	Fri 29 Nov 24
Solifenacin EP impurity F succinate REF: 3D-IS167621CAS: 1262506-09-1	Min. 95%	To inquire	Fri 29 Nov 24
N2-Methyl alfuzosin hydrochloride (1:1) REF: 3D-IM25467CAS: 1794752-97-8	Min. 95%	To inquire	Fri 29 Nov 24
Pantoprazole sulfone N-oxide REF: 3D-ID26757CAS: 953787-55-8	Min. 95%	341.00 €~1,739.00 €	Fri 29 Nov 24
Fluorometholone δ 9,11 REF: 3D-IF168680CAS: 110664-42-1	Min. 95%	To inquire	Fri 29 Nov 24
Carbidopa impurity F REF: 3D-FH177492CAS: 1458640-32-8	Min. 95%	194.00 €~986.00 €	Fri 29 Nov 24
Losartan azide REF: 3D-IL183331CAS: 727718-93-6	Min. 95%	138.00 €~801.00 €	Fri 29 Nov 24
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 €	Fri 29 Nov 24
N,S-Carboxymethyl cysteine hydrochloride REF: 3D-IC171130CAS: 907565-13-3	Min. 95%	To inquire	Fri 29 Nov 24
Risperidone E-oxime impurity REF: 3D-IR27738CAS: 691007-09-7	Min. 95%	436.00 €~2,898.00 €	Fri 29 Nov 24
L-Piperacillin REF: 3D-IP183358	Min. 95%	To inquire	Fri 29 Nov 24
Dehydrodeoxy donepezil REF: 3D-ID20964CAS: 120013-45-8	Min. 95%	To inquire	Fri 29 Nov 24
(2E,5R)-7-[(1S,2S,6R,8S,8aR)-8-(2,2-Dimethyl-1-oxobutoxy)-1,2,6,7,8,8a-hexahydro-2,6-dimethyl-1-naphthalenyl]-5-hydroxy-2-heptenoic acid sodium salt REF: 3D-ID20949CAS: 393825-04-2	Min. 95%	To inquire	Fri 29 Nov 24
Piperacillin impurity N REF: 3D-IP183355CAS: 2170771-53-4	Min. 95%	To inquire	Fri 29 Nov 24
Cefazolinamide REF: 3D-IC183354CAS: 2410652-70-7	Min. 95%	364.00 €~2,898.00 €	Fri 29 Nov 24
1-[(1-Methylethyl)amino]-3-phenoxy-2-propanol REF: 3D-IM63785CAS: 7695-63-8	Min. 95%	54.00 €~1,047.00 €	Fri 29 Nov 24
Scopine-2,2-dithienyl glycolate REF: 3D-IS145668CAS: 136310-64-0	Min. 95%	136.00 €~437.00 €	Fri 29 Nov 24
N2-Methyl alfuzosin-D7 hydrochloride REF: 3D-IM159083CAS: 1346601-27-1	Min. 95%	To inquire	Fri 29 Nov 24

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Carbidopa Impurity 2

Controlled Product

CAS:1361017-74-4

Carbidopa Impurity 2 is an impurity of carbidopa, a drug product that is used to …

Formula:

C₁₁H₁₆N₂O₄

Purity:

Min. 95%

Molecular weight:

240.26 g/mol

Ref: 3D-FH177505

1mg		801.00 €
2mg		1,160.00 €
5mg		1,855.00 €
10mg		2,898.00 €
25mg		5,565.00 €

Estimated delivery in United States, on Friday 29 Nov 2024

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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 Friday 29 Nov 2024

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rac-3-Deacetyl-3-butanoyl acebutolol hydrochloride

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rac-3-Deacetyl-3-butanoyl acebutolol hydrochloride

CAS:57898-71-2

3-Deacetyl-3-butanoyl acebutolol hydrochloride is a racemic mixture of two enantiomers, (+)-(S)-3-Deacetyl-3-butanoyl acebutolol and (-)-(R)-3-Deacetyl-3-butanoyl acebutolol. …

Formula:

C₂₀H₃₃ClN₂O₄

Purity:

Min. 95%

Molecular weight:

400.94 g/mol

Ref: 3D-IR27447

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

Estimated delivery in United States, on Friday 29 Nov 2024

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Solifenacin EP impurity F succinate

CAS:1262506-09-1

Solifenacin is an anti-cholinergic drug that has been shown to have a potent antagonistic effect …

Formula:

C₂₇H₃₂N₂O₆

Purity:

Min. 95%

Molecular weight:

480.55 g/mol

Ref: 3D-IS167621

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

Estimated delivery in United States, on Friday 29 Nov 2024

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N2-Methyl alfuzosin hydrochloride (1:1)

CAS:1794752-97-8

N2-Methyl alfuzosin hydrochloride (1:1) is a synthetic compound that is used as an impurity standard …

Formula:

C₁₉H₂₈ClN₅O₄

Purity:

Min. 95%

Molecular weight:

425.91 g/mol

Ref: 3D-IM25467

2mg		To inquire
5mg		To inquire
10mg		To inquire
25mg		To inquire
50mg		To inquire

Estimated delivery in United States, on Friday 29 Nov 2024

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Pantoprazole sulfone N-oxide

CAS:953787-55-8

Pantoprazole sulfone N-oxide is a prodrug that is converted to the active form pantoprazole in …

Formula:

C₁₆H₁₅F₂N₃O₆S

Purity:

Min. 95%

Molecular weight:

415.37 g/mol

Ref: 3D-ID26757

1mg		341.00 €
2mg		480.00 €
5mg		569.00 €
10mg		949.00 €
25mg		1,739.00 €

Estimated delivery in United States, on Friday 29 Nov 2024

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Fluorometholone δ 9,11

CAS:110664-42-1

Fluorometholone delta 9,11 is a drug product that is used as an analytical reference standard …

Formula:

C₂₂H₂₈O₃

Purity:

Min. 95%

Molecular weight:

340.46 g/mol

Ref: 3D-IF168680

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

Estimated delivery in United States, on Friday 29 Nov 2024

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Carbidopa impurity F

Controlled Product

CAS:1458640-32-8

Carbidopa is an impurity of the drug L-DOPA, which is used as a treatment for …

Formula:

C₁₂H₁₈N₂O₄

Purity:

Min. 95%

Color and Shape:

Powder

Molecular weight:

254.28 g/mol

Ref: 3D-FH177492

1mg		194.00 €
2mg		310.00 €
5mg		436.00 €
10mg		647.00 €
25mg		986.00 €

Estimated delivery in United States, on Friday 29 Nov 2024

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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 Friday 29 Nov 2024

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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 Friday 29 Nov 2024

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N,S-Carboxymethyl cysteine hydrochloride

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N,S-Carboxymethyl cysteine hydrochloride

CAS:907565-13-3

N,S-Carboxymethyl cysteine hydrochloride (NCC) is a drug product that is synthesized from cysteine. It has …

Formula:

C₇H₁₁NO₆S·HCl

Purity:

Min. 95%

Molecular weight:

273.69 g/mol

Ref: 3D-IC171130

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

Estimated delivery in United States, on Friday 29 Nov 2024

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Risperidone E-oxime impurity

CAS:691007-09-7

Risperidone E-oxime impurity is a drug product that has been studied for its metabolism in …

Formula:

C₂₃H₂₈F₂N₄O₂

Purity:

Min. 95%

Color and Shape:

Powder

Molecular weight:

430.49 g/mol

Ref: 3D-IR27738

1mg		436.00 €
2mg		711.00 €
5mg		986.00 €
10mg		1,449.00 €
25mg		2,898.00 €

Estimated delivery in United States, on Friday 29 Nov 2024

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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 Friday 29 Nov 2024

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Dehydrodeoxy donepezil

CAS:120013-45-8

Dehydrodeoxy donepezil is an analytical standard that is used in the manufacture of pharmaceuticals. It …

Formula:

C₂₄H₂₉NO₂

Purity:

Min. 95%

Molecular weight:

363.49 g/mol

Ref: 3D-ID20964

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

Estimated delivery in United States, on Friday 29 Nov 2024

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(2E,5R)-7-[(1S,2S,6R,8S,8aR)-8-(2,2-Dimethyl-1-oxobutoxy)-1,2,6,7,8,8a-hexahydro-2,6-dimethyl-1-na…

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(2E,5R)-7-[(1S,2S,6R,8S,8aR)-8-(2,2-Dimethyl-1-oxobutoxy)-1,2,6,7,8,8a-hexahydro-2,6-dimethyl-1-naphthalenyl]-5-hydroxy-2-heptenoic acid sodium salt

CAS:393825-04-2

(2E,5R)-7-[(1S,2S,6R,8S,8aR)-8-(2,2-Dimethyl-1-oxobutoxy)-1,2,6,7,8,8a-hexahydro-2,6-dimethyl-1-naphthalenyl]-5-hydroxy-2-heptenoic acid sodium salt is a synthetic drug product. It is an impurity in a …

Formula:

C₂₅H₃₇NaO₅

Purity:

Min. 95%

Molecular weight:

440.55 g/mol