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
(R)-3-((R)-5-Oxopyrrolidine-2-carbonyl)thiazolidine-4-carboxylic acid REF: 3D-IO145576CAS: 162148-17-6	Min. 95%	To inquire	Fri 29 Nov 24
(1RS)-1-(6-Methoxy-2-naphthyl)ethanol REF: 3D-IM25230CAS: 77301-42-9	Min. 95%	172.00 €~1,507.00 €	Fri 29 Nov 24
Allopurinol impurity E REF: 3D-IA63602CAS: 31055-19-3	Min. 95%	To inquire	Fri 29 Nov 24
Benserazide EP Impurity B hydrochloride REF: 3D-IB183713	Min. 95%	813.00 €~4,405.00 €	Fri 29 Nov 24
[6-Hydroxy-2-(4-hydroxyphenyl)-benzo[b]thien-7-yl][4-[2-(1-piperidinyl)ethoxy]phenyl]methanone REF: 3D-IH45348CAS: 1391054-73-1	Min. 95%	To inquire	Fri 29 Nov 24
Torasemide Impurity E REF: 3D-FT176082CAS: 72810-57-2	Min. 95%	136.00 €~569.00 €	Fri 29 Nov 24
Labetalol EP Impurity C REF: 3D-IL170154CAS: 2386661-13-6	Min. 95%	341.00 €~2,806.00 €	Fri 29 Nov 24
Solifenacin impurity C REF: 3D-IS167451CAS: 1534326-81-2	Min. 95 Area-%	To inquire	Fri 29 Nov 24
4-Methyl-5-[(2-aminoethyl)thiomethyl]imidazole dihydrochloride REF: 3D-IM58265CAS: 38603-72-4	Min. 95%	To inquire	Fri 29 Nov 24
2-(4-Ethylphenyl)-propanoic acid - Racemic REF: 3D-IE46408CAS: 3585-52-2	Min. 95%	75.00 €~1,016.00 €	Fri 29 Nov 24
Ambroxol hydrochloride impurity C REF: 3D-IA63604CAS: 50910-53-7	Min. 95%	136.00 €~518.00 €	Fri 29 Nov 24
(S)-Phenylephrine hydrochloride REF: 3D-IP58255CAS: 939-38-8	Min. 95%	136.00 €~518.00 €	Fri 29 Nov 24
Ciprofloxacin impurity D hydrochloride REF: 3D-IC58174CAS: 526204-10-4	Min. 95%	To inquire	Fri 29 Nov 24
(R)-7-(But-2-yn-1-yl)-8-(3-(1,3-Dioxoisoindolin-2-yl)piperidin-1-yl)-3-methyl-1-((4-methylquinazolin-2-yl)methyl)-1H-purine-2,6(3H,7 H)-dione REF: 3D-IB138938CAS: 886588-63-2	Min. 95%	To inquire	Fri 29 Nov 24
Amlodipine besilate impurity A REF: 3D-IA63610CAS: 88150-62-3	Min. 95%	To inquire	Fri 29 Nov 24
[9-Glycine]desmopressin REF: 3D-IG173262	Min. 95%	To inquire	Fri 29 Nov 24
Simvastatin impurity K REF: 3D-IS45166	Min. 95%	To inquire	Fri 29 Nov 24
N-Formyl-L-leucine (1S)-1-[[(2R,3R)-3-hexyl-4-oxo-2-oxetanyl] methyl] dodecyl ester REF: 3D-IF26581CAS: 111466-62-7	Min. 95%	To inquire	Fri 29 Nov 24
2-Butyl-3-(3,5-diiodo-4-hydroxybenzoyl)benzofuran REF: 3D-IB19486CAS: 1951-26-4	Min. 95%	To inquire	Fri 29 Nov 24
Pidotimod diketopiperazine-6-propanoic acid REF: 3D-IP27041CAS: 161771-75-1	Min. 95%	To inquire	Fri 29 Nov 24

(R)-3-((R)-5-Oxopyrrolidine-2-carbonyl)thiazolidine-4-carboxylic acid

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(R)-3-((R)-5-Oxopyrrolidine-2-carbonyl)thiazolidine-4-carboxylic acid

CAS:162148-17-6

(R)-3-((R)-5-Oxopyrrolidine-2-carbonyl)thiazolidine-4-carboxylic acid is a research and development, impurity standard, custom synthesis, drug product, synthetic, high …

Formula:

C₉H₁₂N₂O₄S

Purity:

Min. 95%

Molecular weight:

244.27 g/mol

Ref: 3D-IO145576

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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(1RS)-1-(6-Methoxy-2-naphthyl)ethanol

CAS:77301-42-9

(1RS)-1-(6-Methoxy-2-naphthyl)ethanol is a multiphase test drug that exhibits reactive properties. It reacts with hydrogen to …

Formula:

C₁₃H₁₄O₂

Purity:

Min. 95%

Molecular weight:

202.25 g/mol

Ref: 3D-IM25230

2g		172.00 €
5g		310.00 €
10g		453.00 €
25g		986.00 €
50g		1,507.00 €

Estimated delivery in United States, on Friday 29 Nov 2024

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Allopurinol impurity E

CAS:31055-19-3

This product is a synthetic impurity of Allopurinol. It is a cyclization reaction product of …

Formula:

C₇H₉N₃O₃

Purity:

Min. 95%

Molecular weight:

183.16 g/mol

Ref: 3D-IA63602

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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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 Friday 29 Nov 2024

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[6-Hydroxy-2-(4-hydroxyphenyl)-benzo[b]thien-7-yl][4-[2-(1-piperidinyl)ethoxy]phenyl]methanone

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[6-Hydroxy-2-(4-hydroxyphenyl)-benzo[b]thien-7-yl][4-[2-(1-piperidinyl)ethoxy]phenyl]methanone

CAS:1391054-73-1

6-Hydroxy-2-(4-hydroxyphenyl)-benzo[b]thien-7-yl][4-[2-(1-piperidinyl)ethoxy]phenyl]methanone is a synthetic impurity standard that is used as a reference material in the …

Formula:

C₂₈H₂₇NO₄S

Purity:

Min. 95%

Molecular weight:

473.58 g/mol

Ref: 3D-IH45348

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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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 Friday 29 Nov 2024

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Labetalol EP Impurity C

CAS:2386661-13-6

Labetalol EP Impurity C is a synthetic impurity standard that is used to calibrate HPLC …

Formula:

C₁₆H₁₈N₂O₃

Purity:

Min. 95%

Molecular weight:

286.33 g/mol

Ref: 3D-IL170154

1mg		341.00 €
2mg		480.00 €
5mg		949.00 €
10mg		1,403.00 €
25mg		2,806.00 €

Estimated delivery in United States, on Friday 29 Nov 2024

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Solifenacin impurity C

CAS:1534326-81-2

Solifenacin impurity C is an impurity that is found in the drug product Solifenacin. It …

Formula:

C₃₁H₂₈N₂O

Purity:

Min. 95 Area-%

Color and Shape:

White Powder

Molecular weight:

444.57 g/mol

Ref: 3D-IS167451

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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4-Methyl-5-[(2-aminoethyl)thiomethyl]imidazole dihydrochloride

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4-Methyl-5-[(2-aminoethyl)thiomethyl]imidazole dihydrochloride

CAS:38603-72-4

4-Methyl-5-[(2-aminoethyl)thiomethyl]imidazole dihydrochloride is a synthetic drug product that has been purified to high purity. This …

Formula:

C₇H₁₃N₃S·2HCl

Purity:

Min. 95%

Molecular weight:

244.19 g/mol

Ref: 3D-IM58265

1g		To inquire
2g		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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2-(4-Ethylphenyl)-propanoic acid - Racemic

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2-(4-Ethylphenyl)-propanoic acid - Racemic

CAS:3585-52-2

2-(4-Ethylphenyl)-propanoic acid is a supplement that is used to relieve pain and inflammation. It belongs …

Formula:

C₁₁H₁₄O₂

Purity:

Min. 95%

Molecular weight:

178.23 g/mol

Ref: 3D-IE46408

10mg		189.00 €
25mg		273.00 €
50mg		400.00 €
100mg		569.00 €
250mg		1,016.00 €

Estimated delivery in United States, on Friday 29 Nov 2024

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Ambroxol hydrochloride impurity C

CAS:50910-53-7

Ambroxol hydrochloride impurity C is a by-product of ambroxol hydrochloride. It is a diammonium salt …

Formula:

C₁₃H₁₆Br₂N₂O·HCl

Purity:

Min. 95%

Molecular weight:

412.55 g/mol

Ref: 3D-IA63604

1mg		136.00 €
2mg		172.00 €
5mg		248.00 €
10mg		364.00 €
25mg		518.00 €

Estimated delivery in United States, on Friday 29 Nov 2024

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(S)-Phenylephrine hydrochloride

CAS:939-38-8

(S)-Phenylephrine hydrochloride is a chiral sulfate salt of phenylephrine that is used as a bronchodilator. …

Formula:

C₉H₁₄ClNO₂

Purity:

Min. 95%

Molecular weight:

203.67 g/mol

Ref: 3D-IP58255

1mg		136.00 €
2mg		172.00 €
5mg		248.00 €
10mg		364.00 €
25mg		518.00 €

Estimated delivery in United States, on Friday 29 Nov 2024

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Ciprofloxacin impurity D hydrochloride

CAS:526204-10-4

Ciprofloxacin impurity D hydrochloride is a drug product that is an analytical standard. It is …

Formula:

C₁₇H₁₈ClN₃O₃·HCl

Purity:

Min. 95%

Molecular weight:

384.26 g/mol

Ref: 3D-IC58174

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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(R)-7-(But-2-yn-1-yl)-8-(3-(1,3-Dioxoisoindolin-2-yl)piperidin-1-yl)-3-methyl-1-((4-methylquinazol…

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(R)-7-(But-2-yn-1-yl)-8-(3-(1,3-Dioxoisoindolin-2-yl)piperidin-1-yl)-3-methyl-1-((4-methylquinazolin-2-yl)methyl)-1H-purine-2,6(3H,7 H)-dione

CAS:886588-63-2

7-(But-2-yn-1-yl)-8-(3-(1,3-Dioxoisoindolin-2-yl)piperidin-1-yl)-3-methyl-1-(4-methylquinazolin-2(4H)-yl)methyl)-1H -purine-2,6(3H,7H)-dione is a synthetic drug that has been modified to have a higher flow …

Formula:

C₃₃H₃₀N₈O₄

Purity:

Min. 95%

Molecular weight:

602.64 g/mol