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Active pharmaceutical ingredient (API) impurities for research

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BrandProduct dataPurityPrice rangeEstimated delivery
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Alverine EP Impurity D
REF: 3D-IA168562		Min. 95%To inquireTue 11 Feb 25
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Mycophenolic acid lactone - EP
REF: 3D-IM26109CAS: 79081-87-1 		Min. 95%To inquireTue 11 Feb 25
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Aripiprazole EP Impurity E
REF: 3D-IA171042CAS: 129722-25-4 		Min. 95%310.00 €~1,449.00 €Tue 11 Feb 25
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Acarbose EP Impurity F
REF: 3D-FA175659CAS: 83116-09-0 		Min. 95%To inquireTue 11 Feb 25
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2-Ethoxy-4-[2-[[(1R)-3-methyl-1-[2-(1-piperidinyl)phenyl]butyl]amino]-2-oxoethyl]benzoic acid
REF: 3D-IE27700CAS: 147852-26-4 		Min. 95%To inquireTue 11 Feb 25
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2-Demethoxy-4-methoxy urapidil
REF: 3D-ID139023CAS: 34661-79-5 		Min. 95%To inquireTue 11 Feb 25
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Decarboxy ciprofloxacin
REF: 3D-IC58176CAS: 105394-83-0 		Min. 95%To inquireTue 11 Feb 25
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Chlorpromazine EP Impurity F
REF: 3D-IC176065CAS: 72372-62-4 		Min. 95%To inquireTue 11 Feb 25
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Bromfenac sodium imp-B
REF: 3D-FB172788CAS: 91713-90-5 		Min. 95%To inquireTue 11 Feb 25
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Ivermectin Impurity K
REF: 3D-II167731CAS: 74567-01-4 		Min. 95%647.00 €~2,551.00 €Tue 11 Feb 25
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(S)-(-)-1,1,2-Triphenyl-1,2-ethanediol
REF: 3D-IT58096CAS: 108998-83-0 		Min. 95%To inquireTue 11 Feb 25
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rac-N-Desbutyroyl acebutolol
REF: 3D-IR27556CAS: 57898-80-3 		Min. 95%To inquireTue 11 Feb 25
Biosynth logo
Impurity G
REF: 3D-II170912		Min. 95%To inquireTue 11 Feb 25
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Alfuzosin hydrochloride EP Impurity F hydrochloride
REF: 3D-IA182629CAS: 19216-68-3 		Min. 95%To inquireTue 11 Feb 25
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1-[3-(Dimethylamino)propyl]-1-(4-fluorophenyl)-1,3-dihydro-5-isobenzofurancarboxaldehyde oxime
REF: 3D-ID182715CAS: 227954-88-3 		Min. 95%To inquireTue 11 Feb 25
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Calcipotriol EP Impurity I
REF: 3D-FC177663		Min. 95%To inquireTue 11 Feb 25
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(Z)-2-(2-Aminothiazol-4-yl)-2-(hydroxyimino)-N-{[(2RS,5RS)-5-methyl-7-oxo-2,4,5,7-tetrahydro-1H-furo[3,4-d][1,3]thiazin-2-yl]methyl} acetamide dihydrochloride - >80%, Mixture of Diastereomers
REF: 3D-IA146455		Min. 95%To inquireTue 11 Feb 25
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Alverine EP Impurity E
REF: 3D-IA168563CAS: 408309-07-9 		Min. 95%To inquireTue 11 Feb 25
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1-(2-Deoxy-β-D-xylofuranosyl)-5-methyluracil
REF: 3D-ID144724CAS: 16053-52-4 		Min. 95%To inquireTue 11 Feb 25
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Methyl 2-sulfinobenzoate
REF: 3D-IM158239CAS: 119300-80-0 		Min. 95%To inquireTue 11 Feb 25
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Alverine EP Impurity D
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Alverine EP Impurity D

Alverine EP Impurity D is a synthetic impurity that is the result of the synthesis …
Formula:
C20H33N
Purity:
Min. 95%
Molecular weight:
287.48 g/mol

Ref: 3D-IA168562

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10mgTo inquire
Estimated delivery in United States, on Tuesday 11 Feb 2025
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Mycophenolic acid lactone - EP
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Mycophenolic acid lactone - EP

CAS:79081-87-1
Mycophenolic acid lactone (MPA) is an analytical standard for HPLC, used as a reference material …
Formula:
C17H20O6
Purity:
Min. 95%
Molecular weight:
320.34 g/mol

Ref: 3D-IM26109

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Estimated delivery in United States, on Tuesday 11 Feb 2025
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Aripiprazole EP Impurity E
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Aripiprazole EP Impurity E

CAS:129722-25-4
Aripiprazole EP Impurity E is a potential impurity of aripiprazole, which is an antipsychotic drug. …
Formula:
C23H25Cl2N3O2
Purity:
Min. 95%
Molecular weight:
446.37 g/mol

Ref: 3D-IA171042

1mg310.00 €
2mg465.00 €
5mg647.00 €
10mg986.00 €
25mg1,449.00 €
Estimated delivery in United States, on Tuesday 11 Feb 2025
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Acarbose EP Impurity F
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Acarbose EP Impurity F

CAS:83116-09-0
Acarbose EP Impurity F is an analytical impurity that is found in Acarbose EP, a …
Formula:
C31H53NO23
Purity:
Min. 95%
Molecular weight:
807.75 g/mol

Ref: 3D-FA175659

1mgTo inquire
Estimated delivery in United States, on Tuesday 11 Feb 2025
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2-Ethoxy-4-[2-[[(1R)-3-methyl-1-[2-(1-piperidinyl)phenyl]butyl]amino]-2-oxoethyl]benzoic acid
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2-Ethoxy-4-[2-[[(1R)-3-methyl-1-[2-(1-piperidinyl)phenyl]butyl]amino]-2-oxoethyl]benzoic acid

CAS:147852-26-4
2-Ethoxy-4-[2-[[(1R)-3-methyl-1-[2-(1-piperidinyl)phenyl]butyl]amino]-2-oxoethyl]benzoic acid is a synthetic amino acid. It is used for research and development purposes, …
Formula:
C27H36N2O4
Purity:
Min. 95%
Molecular weight:
452.59 g/mol

Ref: 3D-IE27700

10mg740.00 €
25mg1,449.00 €
50mg1,855.00 €
Estimated delivery in United States, on Tuesday 11 Feb 2025
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2-Demethoxy-4-methoxy urapidil
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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

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Estimated delivery in United States, on Tuesday 11 Feb 2025
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Decarboxy ciprofloxacin
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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

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Estimated delivery in United States, on Tuesday 11 Feb 2025
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Chlorpromazine EP Impurity F
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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

200mgTo inquire
Estimated delivery in United States, on Tuesday 11 Feb 2025
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Bromfenac sodium imp-B
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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

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Estimated delivery in United States, on Tuesday 11 Feb 2025
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Ivermectin Impurity K
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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

1mg647.00 €
2mg986.00 €
5mg1,855.00 €
10mg2,551.00 €
Estimated delivery in United States, on Tuesday 11 Feb 2025
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(S)-(-)-1,1,2-Triphenyl-1,2-ethanediol
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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

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Estimated delivery in United States, on Tuesday 11 Feb 2025
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rac-N-Desbutyroyl acebutolol
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rac-N-Desbutyroyl acebutolol

CAS:57898-80-3
rac-N-Desbutyroyl acebutolol is a prodrug that is metabolized to the active form, acebutolol. The metabolism …
Formula:
C14H22N2O3
Purity:
Min. 95%
Molecular weight:
266.34 g/mol

Ref: 3D-IR27556

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Estimated delivery in United States, on Tuesday 11 Feb 2025
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Impurity G
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Impurity G

Impurity G is an impurity found in the drug Iohexol. It is a synthetic, amide, …
Purity:
Min. 95%

Ref: 3D-II170912

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Alfuzosin hydrochloride EP Impurity F hydrochloride
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Alfuzosin hydrochloride EP Impurity F hydrochloride

CAS:19216-68-3
Alfuzosin EP Impurity F hydrochloride is a drug product that is used as an analytical …
Formula:
C12H16N4O2•HCl
Purity:
Min. 95%
Molecular weight:
284.74 g/mol

Ref: 3D-IA182629

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1-[3-(Dimethylamino)propyl]-1-(4-fluorophenyl)-1,3-dihydro-5-isobenzofurancarboxaldehyde oxime
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1-[3-(Dimethylamino)propyl]-1-(4-fluorophenyl)-1,3-dihydro-5-isobenzofurancarboxaldehyde oxime

CAS:227954-88-3
1-[3-(Dimethylamino)propyl]-1-(4-fluorophenyl)-1,3-dihydro-5-isobenzofurancarboxaldehyde oxime is an impurity in the drug product of 1-[3-(dimethylamino)propyl]-1-(4-fluorophenyl)-1,3-dihydro-5-isobenzofuran. It is a metabolite …
Formula:
C20H23FN2O2
Purity:
Min. 95%
Molecular weight:
342.41 g/mol

Ref: 3D-ID182715

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Estimated delivery in United States, on Tuesday 11 Feb 2025
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Calcipotriol EP Impurity I
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Calcipotriol EP Impurity I

Calcipotriol EP Impurity I is a metabolite of calcipotriol which acts as a natural, synthetic …
Formula:
C27H40O3
Purity:
Min. 95%
Molecular weight:
412.6 g/mol

Ref: 3D-FC177663

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Estimated delivery in United States, on Tuesday 11 Feb 2025
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(Z)-2-(2-Aminothiazol-4-yl)-2-(hydroxyimino)-N-{[(2RS,5RS)-5-methyl-7-oxo-2,4,5,7-tetrahydro-1H-fu…
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(Z)-2-(2-Aminothiazol-4-yl)-2-(hydroxyimino)-N-{[(2RS,5RS)-5-methyl-7-oxo-2,4,5,7-tetrahydro-1H-furo[3,4-d][1,3]thiazin-2-yl]methyl} acetamide dihydrochloride - >80%, Mixture of Diastereomers

(Z)-2-(2-Aminothiazol-4-yl)-2-(hydroxyimino)-N-[(2RS,5RS)-5-methyl-7-oxo-2,4,5,7-tetrahydro-1H-furo[3,4-d][1,3]thiazin-2-yl]methyl} acetamide dihydrochloride is a drug product with purity of >80%. It is a mixture …
Formula:
C13H15N5O4S2·2HCl
Purity:
Min. 95%
Molecular weight:
442.34 g/mol

Ref: 3D-IA146455

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Estimated delivery in United States, on Tuesday 11 Feb 2025
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Alverine EP Impurity E
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Alverine EP Impurity E

CAS:408309-07-9
Alverine EP Impurity E is a nitrogen containing compound with the molecular formula C9H10N. It …
Formula:
C27H33N
Purity:
Min. 95%
Molecular weight:
371.56 g/mol

Ref: 3D-IA168563

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Estimated delivery in United States, on Tuesday 11 Feb 2025
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1-(2-Deoxy-β-D-xylofuranosyl)-5-methyluracil
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1-(2-Deoxy-β-D-xylofuranosyl)-5-methyluracil

CAS:16053-52-4
1-(2-Deoxy-beta-D-xylofuranosyl)-5-methyluracil (1DXP) is a nucleoside that inhibits the enzyme UDP glucose pyrophosphorylase. This enzyme is …
Formula:
C10H14N2O5
Purity:
Min. 95%
Molecular weight:
242.23 g/mol

Ref: 3D-ID144724

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Methyl 2-sulfinobenzoate
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Methyl 2-sulfinobenzoate

CAS:119300-80-0
Methyl 2-sulfinobenzoate (MSB) is an analytical, research and development, and drug development impurity that is …
Formula:
C8H8O4S
Purity:
Min. 95%
Molecular weight:
200.21 g/mol

Ref: 3D-IM158239

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Estimated delivery in United States, on Tuesday 11 Feb 2025
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