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
4-Dehydroxy-4-dimethylhydroxysilyl entecavir REF: 3D-ID106394CAS: 870614-82-7	Min. 95%	To inquire	Fri 13 Dec 24
2H,5H-Pyrano[4,3-b]pyranyl mupirocin sodium impurity REF: 3D-IP27268CAS: 116182-44-6	Min. 95%	136.00 €~480.00 €	Fri 13 Dec 24
Remdesivir impurity 7 REF: 3D-IR177104CAS: 1191237-69-0	Min. 95%	To inquire	Fri 13 Dec 24
3-Ethyl 5-methyl 2-((2-aminoethoxy)methyl)-4-(2-chlorophenyl) -6-methylpyridine-3,5-dicarboxylate 2- butenedioate REF: 3D-IE171480CAS: 2138811-33-1	Min. 95%	136.00 €~436.00 €	Fri 13 Dec 24
Cefdinir impurity E REF: 3D-FC63665CAS: 946573-41-7	Min. 95%	To inquire	Fri 13 Dec 24
Remdesivir impurity 12 REF: 3D-IR177109CAS: 2093124-26-4	Min. 95%	To inquire	Fri 13 Dec 24
3'-N,N-Didesmethyl-N-(methoxycarbonyl) azithromycin REF: 3D-ID137493CAS: 16892-65-2	Min. 95%	To inquire	Fri 13 Dec 24
Pitavastatin 3S,5R isomer calcium REF: 3D-IP145451CAS: 254452-88-5	Min. 95%	192.00 €~924.00 €	Fri 13 Dec 24
4-Methoxy-N,N-dimethyl-phenethylamine REF: 3D-IM21071CAS: 775-33-7	Min. 95%	136.00 €~437.00 €	Fri 13 Dec 24
Erythromycin impurity M REF: 3D-IE167810	Min. 95%	To inquire	Fri 13 Dec 24
5-Aminolevulinic acid methyl ester hydrochloride REF: 3D-IA16049CAS: 79416-27-6	Min. 95%	167.00 €~946.00 €	Fri 13 Dec 24
Olmesartan EP Impurity C REF: 3D-IO175875CAS: 879562-26-2	Min. 95%	136.00 €~597.00 €	Fri 13 Dec 24
2-Hydroxybenzimidazole REF: 3D-IH11727CAS: 615-16-7	Min. 97.5 Area-%	136.00 €~542.00 €	Fri 13 Dec 24
2-Ethoxy-4-[2-[[(1R)-3-methyl-1-[2-(1-piperidinyl)phenyl]butyl]amino]-2-oxoethyl]benzoic acid ethyl ester REF: 3D-IE32567CAS: 147770-08-9	Min. 95%	To inquire	Fri 13 Dec 24
5-(2-Ethoxyphenyl)-1-methyl-3-n-propyl-1,6-dihydro-7H-pyrazolo[4,3-d]pyrimidin-7-one REF: 3D-NE16544CAS: 139756-21-1	Min. 95%	156.00 €~861.00 €	Fri 13 Dec 24
N,N-Dimethyl-3-(4-methylbenzoyl)propionamide REF: 3D-ID57813CAS: 402470-91-1	Min. 95%	137.00 €~888.00 €	Fri 13 Dec 24
Ethyl 3-(dimethylamino)-2-(4-methoxyphenyl)propanoate REF: 3D-IE63864CAS: 323176-93-8	Min. 95%	136.00 €~452.00 €	Fri 13 Dec 24
1-Acetate 4-methanesulfonate 1,4-butanediol REF: 3D-IA76400CAS: 19859-00-8	Min. 95%	201.00 €~1,623.00 €	Fri 13 Dec 24
3-[Benzyl(methyl)amino]-1-phenylpropan-1-one REF: 3D-IB158700CAS: 21970-65-0	Min. 95%	135.00 €~717.00 €	Fri 13 Dec 24
3,3',5,5'-Tetraiodothyroformic acid REF: 3D-FT66242CAS: 2055-97-2	Min. 95 Area-%	136.00 €~754.00 €	Fri 13 Dec 24

4-Dehydroxy-4-dimethylhydroxysilyl entecavir

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4-Dehydroxy-4-dimethylhydroxysilyl entecavir

CAS:870614-82-7

4-Dehydroxy-4-dimethylhydroxysilyl entecavir is an impurity standard for the drug product Entecavir. It is a synthetic …

Formula:

C₁₄H₂₁N₅O₃Si

Purity:

Min. 95%

Molecular weight:

335.43 g/mol

Ref: 3D-ID106394

Undefined size To inquire

Estimated delivery in United States, on Friday 13 Dec 2024

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2H,5H-Pyrano[4,3-b]pyranyl mupirocin sodium impurity

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2H,5H-Pyrano[4,3-b]pyranyl mupirocin sodium impurity

CAS:116182-44-6

2H,5H-Pyrano[4,3-b]pyranyl mupirocin sodium impurity is an impurity standard that has been custom synthesized for research …

Formula:

C₂₆H₄₃NaO₉

Purity:

Min. 95%

Color and Shape:

Powder

Molecular weight:

522.6 g/mol

Ref: 3D-IP27268

10µg		136.00 €
25µg		151.00 €
50µg		213.00 €
100µg		341.00 €
250µg		480.00 €

Estimated delivery in United States, on Friday 13 Dec 2024

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Remdesivir impurity 7

CAS:1191237-69-0

Remdesivir is an antiviral drug. It is an RNA-dependent RNA polymerase inhibitor that has been …

Formula:

C₁₅H₂₄NO₅P

Purity:

Min. 95%

Molecular weight:

329.33 g/mol

Ref: 3D-IR177104

Undefined size To inquire

Estimated delivery in United States, on Friday 13 Dec 2024

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3-Ethyl 5-methyl 2-((2-aminoethoxy)methyl)-4-(2-chlorophenyl) -6-methylpyridine-3,5-dicarboxylate …

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3-Ethyl 5-methyl 2-((2-aminoethoxy)methyl)-4-(2-chlorophenyl) -6-methylpyridine-3,5-dicarboxylate 2- butenedioate

CAS:2138811-33-1

3-Ethyl 5-methyl 2-((2-aminoethoxy)methyl)-4-(2-chlorophenyl) -6-methylpyridine-3,5-dicarboxylate 2- butenedioate is a synthetic compound that has been developed for …

Formula:

C₂₀H₂₃ClN₂O₅•C₄H₄O₄

Purity:

Min. 95%

Color and Shape:

Powder

Molecular weight:

522.93 g/mol

Ref: 3D-IE171480

2mg		136.00 €
5mg		138.00 €
10mg		194.00 €
25mg		310.00 €
50mg		436.00 €

Estimated delivery in United States, on Friday 13 Dec 2024

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Cefdinir impurity E

CAS:946573-41-7

Cefdinir impurity E is a research and development, impurity standard, custom synthesis, drug product, synthetic, …

Purity:

Min. 95%

Ref: 3D-FC63665

Undefined size To inquire

Estimated delivery in United States, on Friday 13 Dec 2024

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Remdesivir impurity 12

CAS:2093124-26-4

Remdesivir impurity 12 is a drug product that is used in research and development. It …

Formula:

C₂₁H₃₁N₆O₈P

Purity:

Min. 95%

Molecular weight:

526.48 g/mol

Ref: 3D-IR177109

Undefined size To inquire

Estimated delivery in United States, on Friday 13 Dec 2024

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3'-N,N-Didesmethyl-N-(methoxycarbonyl) azithromycin

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3'-N,N-Didesmethyl-N-(methoxycarbonyl) azithromycin

CAS:16892-65-2

3'-N,N-Didesmethyl-N-(methoxycarbonyl) azithromycin is a research and development impurity standard. It is synthesized by reacting 3-desacetylazithromycin …

Formula:

C₃₉H₇₄N₂O₁₄

Purity:

Min. 95%

Molecular weight:

795.01 g/mol

Ref: 3D-ID137493

Undefined size To inquire

Estimated delivery in United States, on Friday 13 Dec 2024

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Pitavastatin 3S,5R isomer calcium

CAS:254452-88-5

Pitavastatin 3S,5R isomer Calcium Salt is a potent inhibitor of cholesterol biosynthesis. It is marketed …

Formula:

(C₂₅H₂₄FNO₄)₂•Ca

Purity:

Min. 95%

Color and Shape:

White/Off-White Solid

Molecular weight:

880.98 g/mol

Ref: 3D-IP145451

1mg		192.00 €
2mg		303.00 €
5mg		497.00 €
10mg		711.00 €
25mg		924.00 €

Estimated delivery in United States, on Friday 13 Dec 2024

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4-Methoxy-N,N-dimethyl-phenethylamine

CAS:775-33-7

4-Methoxy-N,N-dimethylphenethylamine is a natural product that has been shown to inhibit the transfer of bacteria …

Formula:

C₁₁H₁₇NO

Purity:

Min. 95%

Color and Shape:

Clear Liquid

Molecular weight:

179.26 g/mol

Ref: 3D-IM21071

5mg		136.00 €
10mg		138.00 €
25mg		194.00 €
50mg		310.00 €
100mg		437.00 €

Estimated delivery in United States, on Friday 13 Dec 2024

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Erythromycin impurity M

Erythromycin impurity M is a natural, API impurity (impurity standard) that is a metabolite of …

Formula:

C₃₇H₆₇NO₁₃

Purity:

Min. 95%

Molecular weight:

733.93 g/mol

Ref: 3D-IE167810

Undefined size To inquire

Estimated delivery in United States, on Friday 13 Dec 2024

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5-Aminolevulinic acid methyl ester hydrochloride

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5-Aminolevulinic acid methyl ester hydrochloride

CAS:79416-27-6

5-Aminolevulinic acid methyl ester hydrochloride is a drug that is used to treat skin conditions …

Formula:

C₆H₁₁NO₃·HCl

Purity:

Min. 95%

Color and Shape:

Powder

Molecular weight:

181.62 g/mol

Ref: 3D-IA16049

1g		167.00 €
2g		240.00 €
5g		411.00 €
10g		575.00 €
25g		946.00 €

Estimated delivery in United States, on Friday 13 Dec 2024

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Olmesartan EP Impurity C

CAS:879562-26-2

Olmesartan medoxomil is a prodrug that is metabolized to the active form, olmesartan, in the …

Formula:

C₂₉H₂₈N₆O₅

Purity:

Min. 95%

Color and Shape:

White Off-White Powder

Molecular weight:

540.57 g/mol

Ref: 3D-IO175875

1mg		136.00 €
2mg		191.00 €
5mg		298.00 €
10mg		447.00 €
25mg		597.00 €

Estimated delivery in United States, on Friday 13 Dec 2024

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2-Hydroxybenzimidazole

CAS:615-16-7

2-Hydroxybenzimidazole is a benzimidazole compound that is used in the treatment of nervous system diseases. …

Formula:

C₇H₆N₂O

Purity:

Min. 97.5 Area-%

Color and Shape:

Off-White Powder

Molecular weight:

134.14 g/mol

Ref: 3D-IH11727

25g		136.00 €
50g		168.00 €
100g		217.00 €
250g		406.00 €
500g		542.00 €

Estimated delivery in United States, on Friday 13 Dec 2024

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2-Ethoxy-4-[2-[[(1R)-3-methyl-1-[2-(1-piperidinyl)phenyl]butyl]amino]-2-oxoethyl]benzoic acid ethy…

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2-Ethoxy-4-[2-[[(1R)-3-methyl-1-[2-(1-piperidinyl)phenyl]butyl]amino]-2-oxoethyl]benzoic acid ethyl ester

CAS:147770-08-9

2-Ethoxy-4-[2-[[(1R)-3-methyl-1-[2-(1-piperidinyl)phenyl]butyl]amino]-2-oxoethyl]benzoic acid ethyl ester is a drug product that has been custom synthesized for use …

Formula:

C₂₉H₄₀N₂O₄

Purity:

Min. 95%

Molecular weight:

480.64 g/mol