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
N-Succinyl-L-tyrosine REF: 3D-IS27922CAS: 374816-32-7	Min. 95%	213.00 €~1,531.00 €	Tue 11 Feb 25
Isopropyl 2-hydroxy-2-phenylacetate REF: 3D-II156828CAS: 4118-51-8	Min. 95%	To inquire	Tue 11 Feb 25
PSI 7976 REF: 3D-IP102673CAS: 1190308-01-0	Min. 95%	436.00 €~2,606.00 €	Tue 11 Feb 25
2'-Hydroxy-3-phenylpropiophenone REF: 3D-IH24242CAS: 3516-95-8	Min. 95%	194.00 €~863.00 €	Tue 11 Feb 25
Modafinil S-enantiomer CIV ((S)-2-(Benzhydrylsulfinyl)acetamide) REF: 45-1445415CAS: 112111-47-4	- - -	To inquire	Tue 11 Feb 25
Atorvastatin lactam phenanthrene calcium salt impurity REF: 3D-IA18017CAS: 148127-12-2	Min. 95%	517.00 €~2,898.00 €	Tue 11 Feb 25
Desfluoro ezetimibe REF: 3D-FD21193CAS: 302781-98-2	Min. 95%	To inquire	Tue 11 Feb 25
5,6-Dimethoxy-2-(4-pyridylmethylene)-1-indanone REF: 3D-ID22170CAS: 4803-74-1	Min. 95%	172.00 €~802.00 €	Tue 11 Feb 25
Fentanyl Related Compound E CII (N-Phenyl-1-(2-phenylethyl)-4-piperidinamine) REF: 45-1269957CAS: 21409-26-7	- - -	To inquire	Tue 11 Feb 25
Naltrexone impurity H REF: 3D-IN167110CAS: 503090-99-1	Min. 95%	232.00 €~1,855.00 €	Tue 11 Feb 25
2-(2-Amino-5-bromobenzoyl)pyridine REF: 3D-IA17613CAS: 1563-56-0	Min. 95%	To inquire	Tue 11 Feb 25
Rosuvastatin EP impurity M calcium REF: 3D-IR183834CAS: 847849-66-5	Min. 95%	64.00 €~801.00 €	Tue 11 Feb 25
Atorvastatin 3-deoxyhept-2-enoic acid REF: 3D-FA165520CAS: 1105067-93-3	Min. 95%	138.00 €~647.00 €	Tue 11 Feb 25
Clarithromycin EP Impurity A REF: 3D-FC166203CAS: 124412-58-4	90%Nmr	652.00 €~3,483.00 €	Tue 11 Feb 25
Cefdinir impurity F REF: 3D-IC63666CAS: 1356842-10-8	Min. 95%	740.00 €~4,753.00 €	Tue 11 Feb 25
N-[4-[2-(2-Amino-4,7-dihydro-4-oxo-3H-pyrrolo[2,3-d]pyrimidin-5-yl)ethyl]benzoyl]-L-γ-glutamyl-L-glutamic acid REF: 3D-IA63809CAS: 144051-68-3	Min. 95%	138.00 €~647.00 €	Tue 11 Feb 25
Apixaban Impurity 1 REF: 3D-IA176149CAS: 503614-91-3	Min. 95%	49.00 €~1,160.00 €	Tue 11 Feb 25
Piperacilloic acid REF: 3D-FP27061CAS: 64817-22-7	(Elemental Analysis) Min. 90 Area-%	205.00 €~1,276.00 €	Tue 11 Feb 25
Mitoxantrone (2-hydroxyethyl)piperazine impurity REF: 3D-IM26023CAS: 137132-70-8	Min. 95%	324.00 €~2,667.00 €	Tue 11 Feb 25
Pitavastatin N-oxide REF: 3D-IP145433CAS: 1611499-16-1	Min. 95%	136.00 €~711.00 €	Tue 11 Feb 25

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N-Succinyl-L-tyrosine

CAS:374816-32-7

N-Succinyl-L-tyrosine is a synthetic compound that is used as an impurity standard for the determination …

Formula:

C₁₃H₁₅NO₆

Purity:

Min. 95%

Color and Shape:

Light Blue To Blue Solid

Molecular weight:

281.26 g/mol

Ref: 3D-IS27922

1mg		213.00 €
2mg		341.00 €
5mg		498.00 €
10mg		813.00 €
25mg		1,531.00 €

Estimated delivery in United States, on Tuesday 11 Feb 2025

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Isopropyl 2-hydroxy-2-phenylacetate

CAS:4118-51-8

Isopropyl 2-hydroxy-2-phenylacetate is an inorganic acid that is used as a solvent and as a …

Formula:

C₁₁H₁₄O₃

Purity:

Min. 95%

Molecular weight:

194.23 g/mol

Ref: 3D-II156828

1g		801.00 €
50mg		172.00 €
100mg		248.00 €
250mg		364.00 €
500mg		517.00 €

Estimated delivery in United States, on Tuesday 11 Feb 2025

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PSI 7976

CAS:1190308-01-0

PSI 7976 is an analog of the nucleophilic attack drug, ribavirin. PSI 7976 inhibits the …

Formula:

C₂₂H₂₉FN₃O₉P

Purity:

Min. 95%

Molecular weight:

529.45 g/mol

Ref: 3D-IP102673

1mg		582.00 €
2mg		863.00 €
5mg		1,507.00 €
10mg		2,551.00 €
500µg		436.00 €

Estimated delivery in United States, on Tuesday 11 Feb 2025

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2'-Hydroxy-3-phenylpropiophenone

CAS:3516-95-8

2'-Hydroxy-3-phenylpropiophenone is a nucleophile that is hydrogenated to form 2'-hydroxy-3-phenylpropionic acid. It is used as …

Formula:

C₁₅H₁₄O₂

Purity:

Min. 95%

Color and Shape:

Colourless To Pale Yellow Liquid

Molecular weight:

226.27 g/mol

Ref: 3D-IH24242

1kg		582.00 €
2kg		863.00 €
100g		194.00 €
250g		310.00 €
500g		436.00 €

Estimated delivery in United States, on Tuesday 11 Feb 2025

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Modafinil S-enantiomer CIV ((S)-2-(Benzhydrylsulfinyl)acetamide)

Controlled Product

CAS:112111-47-4

Other aromatic organo-sulfur compounds (excluding pesticides)

Formula:

C₁₅H₁₅NO₂S

Color and Shape:

White Off-White Solid

Molecular weight:

273.08235

Ref: 45-1445415

Estimated delivery in United States, on Tuesday 11 Feb 2025

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Atorvastatin lactam phenanthrene calcium salt impurity

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Atorvastatin lactam phenanthrene calcium salt impurity

CAS:148127-12-2

Atorvastatin lactam phenanthrene calcium salt impurity is a high purity, custom synthesis drug product. It …

Formula:

C₆₆H₆₄CaF₂N₄O₁₂

Purity:

Min. 95%

Molecular weight:

1,183.31 g/mol

Ref: 3D-IA18017

1mg		801.00 €
2mg		1,160.00 €
5mg		1,855.00 €
10mg		2,898.00 €
500µg		517.00 €

Estimated delivery in United States, on Tuesday 11 Feb 2025

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Desfluoro ezetimibe

CAS:302781-98-2

Desfluoro ezetimibe is a synthetic cholesterol-lowering drug that inhibits intestinal cholesterol absorption. It is chemically …

Formula:

C₂₄H₂₂FNO₃

Purity:

Min. 95%

Color and Shape:

White To Off-White Solid

Molecular weight:

391.43 g/mol

Ref: 3D-FD21193

10mg		232.00 €
25mg		436.00 €
50mg		646.00 €
100mg		986.00 €
250mg		1,449.00 €

Estimated delivery in United States, on Tuesday 11 Feb 2025

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5,6-Dimethoxy-2-(4-pyridylmethylene)-1-indanone

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5,6-Dimethoxy-2-(4-pyridylmethylene)-1-indanone

CAS:4803-74-1

5,6-Dimethoxy-2-(4-pyridylmethylene)-1-indanone is a hydroxide that is obtained by the reflux of 4-hydroxybenzaldehyde with an alkali …

Formula:

C₁₇H₁₅NO₃

Purity:

Min. 95%

Molecular weight:

281.31 g/mol

Ref: 3D-ID22170

5g		172.00 €
10g		248.00 €
25g		363.00 €
50g		518.00 €
100g		802.00 €

Estimated delivery in United States, on Tuesday 11 Feb 2025

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Fentanyl Related Compound E CII (N-Phenyl-1-(2-phenylethyl)-4-piperidinamine)

Controlled Product

CAS:21409-26-7

4-anilino-n-phenethylpiperidine (anpp)

Formula:

C₁₉H₂₄N₂

Color and Shape:

White Light Brown Crystalline Powder

Molecular weight:

280.19395

Ref: 45-1269957

Estimated delivery in United States, on Tuesday 11 Feb 2025

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Naltrexone impurity H

Controlled Product

CAS:503090-99-1

Naltrexone impurity H is an analytical standard for the detection of naltrexone in drug products. …

Formula:

C₂₀H₂₅NO₄

Purity:

Min. 95%

Color and Shape:

Powder

Molecular weight:

343.42 g/mol

Ref: 3D-IN167110

1mg		232.00 €
2mg		364.00 €
5mg		647.00 €
10mg		986.00 €
25mg		1,855.00 €

Estimated delivery in United States, on Tuesday 11 Feb 2025

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2-(2-Amino-5-bromobenzoyl)pyridine

CAS:1563-56-0

2-(2-Amino-5-bromobenzoyl)pyridine (2ABBP) is a chemical compound with the molecular formula C10H7BrN3. It is a glucuronide …

Formula:

C₁₂H₉BrN₂O

Purity:

Min. 95%

Molecular weight:

277.12 g/mol

Ref: 3D-IA17613

10g		172.00 €
25g		248.00 €
50g		363.00 €
100g		518.00 €
250g		863.00 €

Estimated delivery in United States, on Tuesday 11 Feb 2025

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Rosuvastatin EP impurity M calcium

CAS:847849-66-5

Please enquire for more information about Rosuvastatin EP impurity M calcium including the price, delivery …

Formula:

(C₂₂H₂₉N₃O₆S)₂•Ca

Purity:

Min. 95%

Molecular weight:

967.1 g/mol

Ref: 3D-IR183834

2mg		172.00 €
5mg		248.00 €
10mg		364.00 €
25mg		517.00 €
50mg		801.00 €

Estimated delivery in United States, on Tuesday 11 Feb 2025

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Atorvastatin 3-deoxyhept-2-enoic acid

CAS:1105067-93-3

Atorvastatin is a potent inhibitor of the enzyme HMG-CoA reductase, which is responsible for the …

Formula:

C₃₃H₃₃FN₂O₄

Purity:

Min. 95%

Color and Shape:

Powder

Molecular weight:

540.62 g/mol

Ref: 3D-FA165520

1mg		138.00 €
2mg		194.00 €
5mg		310.00 €
10mg		436.00 €
25mg		647.00 €

Estimated delivery in United States, on Tuesday 11 Feb 2025

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Clarithromycin EP Impurity A

CAS:124412-58-4

Clarithromycin EP Impurity A is an analytical standard for clarithromycin. Clarithromycin EP Impurity A is …

Formula:

C₃₈H₆₉NO₁₄

Purity:

90%Nmr

Color and Shape:

Powder

Molecular weight:

763.95 g/mol

Ref: 3D-FC166203

1mg		1,026.00 €
2mg		1,536.00 €
5mg		2,324.00 €
10mg		3,483.00 €
500µg		652.00 €

Estimated delivery in United States, on Tuesday 11 Feb 2025

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Cefdinir impurity F

CAS:1356842-10-8

Cefdinir impurity F is an impurity of cefdinir that has been identified in some batches. …

Formula:

C₁₃H₁₁N₃O₆S

Purity:

Min. 95%

Molecular weight:

337.31 g/mol

Ref: 3D-IC63666

1mg		1,044.00 €
2mg		1,623.00 €
5mg		3,130.00 €
10mg		4,753.00 €
500µg		740.00 €

Estimated delivery in United States, on Tuesday 11 Feb 2025

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N-[4-[2-(2-Amino-4,7-dihydro-4-oxo-3H-pyrrolo[2,3-d]pyrimidin-5-yl)ethyl]benzoyl]-L-γ-glutamyl-L-g…

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N-[4-[2-(2-Amino-4,7-dihydro-4-oxo-3H-pyrrolo[2,3-d]pyrimidin-5-yl)ethyl]benzoyl]-L-γ-glutamyl-L-glutamic acid

CAS:144051-68-3

N-[4-[2-(2-Amino-4,7-dihydro-4-oxo-3H-pyrrolo[2,3-d]pyrimidin-5-yl)ethyl]benzoyl]-L-gamma-glutamyl-L-glutamic acid is used as a research and development purity standard. It is a white …

Formula:

C₂₅H₂₈N₆O₉

Purity:

Min. 95%

Molecular weight:

556.52 g/mol