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
cis 5-Fluoro-1-[2-(hydroxymethyl)-1,3-oxathiolan-5-yl]-2,4(1H,3H)- pyrimidinedione REF: 3D-FF23363CAS: 145986-11-4	Min. 95%	To inquire	Mon 13 Jan 25
Valacyclovir Related Compound D REF: 3D-IV178761CAS: 1346747-69-0	Min. 95%	To inquire	Mon 13 Jan 25
7-O-(Triethylsilyl) paclitaxel REF: 3D-IT28433CAS: 148930-55-6	Min. 95%	To inquire	Mon 13 Jan 25
N,S-Carboxymethyl cysteine hydrochloride REF: 3D-IC171130CAS: 907565-13-3	Min. 95%	To inquire	Mon 13 Jan 25
N-Methyl-N-(3-chloropropyl)homoveratrylamine REF: 3D-IM145563CAS: 36770-74-8	Min. 95%	To inquire	Mon 13 Jan 25
(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	Mon 13 Jan 25
1-[(1-Methylethyl)amino]-3-phenoxy-2-propanol REF: 3D-IM63785CAS: 7695-63-8	Min. 95%	54.00 €~1,047.00 €	Mon 13 Jan 25
1'-Epi gemcitabine 3',5'-dibenzoate REF: 3D-NE16710CAS: 134790-40-2	Min. 95 Area-%	194.00 €~986.00 €	Mon 13 Jan 25
N2-Methyl alfuzosin-D7 hydrochloride REF: 3D-IM159083CAS: 1346601-27-1	Min. 95%	To inquire	Mon 13 Jan 25
1,3-Dihydro-6-methylfuro[3,4-c]pyridin-7-ol REF: 3D-ID27319CAS: 5196-20-3	Min. 95%	To inquire	Mon 13 Jan 25
(R)-3-((R)-5-Oxopyrrolidine-2-carbonyl)thiazolidine-4-carboxylic acid REF: 3D-IO145576CAS: 162148-17-6	Min. 95%	To inquire	Mon 13 Jan 25
Allopurinol impurity E REF: 3D-IA63602CAS: 31055-19-3	Min. 95%	To inquire	Mon 13 Jan 25
Labetalol EP Impurity C REF: 3D-IL170154CAS: 2386661-13-6	Min. 95%	341.00 €~2,806.00 €	Mon 13 Jan 25
Roxithromycin impurity I REF: 3D-IR106455CAS: 425365-66-8	Min. 95%	453.00 €~8,694.00 €	Mon 13 Jan 25
N,N'-Bis[2-(3,4-dimethoxyphenyl)ethyl]-N,N'-dimethyl-1,3-propanediamine dihydrochloride REF: 3D-IB145560CAS: 63434-11-7	Min. 95%	To inquire	Mon 13 Jan 25
2-(4-Ethylphenyl)-propanoic acid - Racemic REF: 3D-IE46408CAS: 3585-52-2	Min. 95%	75.00 €~1,016.00 €	Mon 13 Jan 25
Buprenorphine furanyl impurity REF: 3D-IB19360CAS: 89663-73-0	Min. 95%	To inquire	Mon 13 Jan 25
(S)-Phenylephrine hydrochloride REF: 3D-IP58255CAS: 939-38-8	Min. 95%	136.00 €~518.00 €	Mon 13 Jan 25
Amlodipine besilate impurity A REF: 3D-IA63610CAS: 88150-62-3	Min. 95%	To inquire	Mon 13 Jan 25
(5S)-5-(Aminomethyl)-3-[3-fluoro-4-(4-morpholinyl)phenyl]-1,3-oxazolidin-2-one REF: 3D-IA58038CAS: 168828-90-8	Min. 95%	177.00 €~868.00 €	Mon 13 Jan 25

cis 5-Fluoro-1-[2-(hydroxymethyl)-1,3-oxathiolan-5-yl]-2,4(1H,3H)- pyrimidinedione

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cis 5-Fluoro-1-[2-(hydroxymethyl)-1,3-oxathiolan-5-yl]-2,4(1H,3H)- pyrimidinedione

CAS:145986-11-4

cis 5-Fluoro-1-[2-(hydroxymethyl)-1,3-oxathiolan-5-yl]-2,4(1H,3H)-pyrimidinedione is a drug product that has been custom synthesized for use as an …

Formula:

C₈H₉FN₂O₄S

Purity:

Min. 95%

Molecular weight:

248.23 g/mol

Ref: 3D-FF23363

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Estimated delivery in United States, on Monday 13 Jan 2025

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Valacyclovir Related Compound D

CAS:1346747-69-0

Valacyclovir Related Compound D is a synthetic metabolite of Valacyclovir. It is the primary metabolite …

Formula:

C₁₅H₂₄N₆O₄

Purity:

Min. 95%

Molecular weight:

352.39 g/mol

Ref: 3D-IV178761

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Estimated delivery in United States, on Monday 13 Jan 2025

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7-O-(Triethylsilyl) paclitaxel

CAS:148930-55-6

7-O-(Triethylsilyl) paclitaxel is a synthetic Taxol analog. It is manufactured by custom synthesis and purified …

Formula:

C₅₃H₆₅NO₁₄Si

Purity:

Min. 95%

Molecular weight:

968.17 g/mol

Ref: 3D-IT28433

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Estimated delivery in United States, on Monday 13 Jan 2025

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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

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Estimated delivery in United States, on Monday 13 Jan 2025

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N-Methyl-N-(3-chloropropyl)homoveratrylamine

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N-Methyl-N-(3-chloropropyl)homoveratrylamine

CAS:36770-74-8

N-Methyl-N-(3-chloropropyl)homoveratrylamine is a chlorinated alkylating agent that has been shown to accumulate in the myocardium. …

Formula:

C₁₂H₁₉NO₂·HCl

Purity:

Min. 95%

Molecular weight:

245.75 g/mol

Ref: 3D-IM145563

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Estimated delivery in United States, on Monday 13 Jan 2025

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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

Ref: 3D-ID20949

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Estimated delivery in United States, on Monday 13 Jan 2025

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1-[(1-Methylethyl)amino]-3-phenoxy-2-propanol

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1-[(1-Methylethyl)amino]-3-phenoxy-2-propanol

CAS:7695-63-8

1-[(1-Methylethyl)amino]-3-phenoxy-2-propanol is an organic compound that belongs to the class of phenoxyethanol derivatives. It has …

Formula:

C₁₂H₁₉NO₂

Purity:

Min. 95%

Molecular weight:

209.28 g/mol

Ref: 3D-IM63785

1g		364.00 €
2g		517.00 €
5g		1,047.00 €
250mg		172.00 €
500mg		248.00 €

Estimated delivery in United States, on Monday 13 Jan 2025

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1'-Epi gemcitabine 3',5'-dibenzoate

CAS:134790-40-2

1'-Epi-Gemcitabine 3',5'-dibenzoate is an analytical standard that is used in the drug development process. It …

Formula:

C₂₃H₁₉F₂N₃O₆

Purity:

Min. 95 Area-%

Color and Shape:

Powder

Molecular weight:

471.41 g/mol

Ref: 3D-NE16710

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

Estimated delivery in United States, on Monday 13 Jan 2025

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N2-Methyl alfuzosin-D7 hydrochloride

CAS:1346601-27-1

N2-Methyl alfuzosin-D7 is a drug product that belongs to the group of alfuzosin, which is …

Formula:

C₁₉H₂₁D₇ClN₅O₄

Purity:

Min. 95%

Molecular weight:

432.95 g/mol

Ref: 3D-IM159083

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Estimated delivery in United States, on Monday 13 Jan 2025

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1,3-Dihydro-6-methylfuro[3,4-c]pyridin-7-ol

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1,3-Dihydro-6-methylfuro[3,4-c]pyridin-7-ol

CAS:5196-20-3

1,3-Dihydro-6-methylfuro[3,4-c]pyridin-7-ol is a compound that contains impurities such as fatty acids and uridine. It has …

Formula:

C₈H₉NO₂

Purity:

Min. 95%

Molecular weight:

151.16 g/mol

Ref: 3D-ID27319

1mg		172.00 €
5mg		364.00 €
10mg		518.00 €
25mg		801.00 €
50mg		1,160.00 €

Estimated delivery in United States, on Monday 13 Jan 2025

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(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

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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

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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 Monday 13 Jan 2025

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Roxithromycin impurity I

CAS:425365-66-8

Roxithromycin impurity I is a natural metabolite of roxithromycin. The substance has been synthesized in …

Formula:

C₄₅H₈₄N₂O₁₇

Purity:

Min. 95%

Color and Shape:

Powder

Molecular weight:

925.15 g/mol

Ref: 3D-IR106455

1mg		453.00 €
5mg		1,392.00 €
10mg		2,551.00 €
25mg		5,217.00 €
50mg		8,694.00 €

Estimated delivery in United States, on Monday 13 Jan 2025

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N,N'-Bis[2-(3,4-dimethoxyphenyl)ethyl]-N,N'-dimethyl-1,3-propanediamine dihydrochloride

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N,N'-Bis[2-(3,4-dimethoxyphenyl)ethyl]-N,N'-dimethyl-1,3-propanediamine dihydrochloride

CAS:63434-11-7

N,N'-Bis[2-(3,4-dimethoxyphenyl)ethyl]-N,N'-dimethyl-1,3-propanediamine dihydrochloride is a synthetic compound that is metabolized to the natural product naphthol AS. …

Formula:

C₂₅H₃₈N₂O₄·2HCl

Purity:

Min. 95%

Molecular weight:

503.5 g/mol

Ref: 3D-IB145560

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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 Monday 13 Jan 2025

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Buprenorphine furanyl impurity

Controlled Product

CAS:89663-73-0

Buprenorphine is a semi-synthetic opioid that is used to treat pain. It has been shown …

Formula:

C₂₈H₃₇NO₃

Purity:

Min. 95%

Molecular weight:

435.6 g/mol

Ref: 3D-IB19360

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Estimated delivery in United States, on Monday 13 Jan 2025

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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 Monday 13 Jan 2025

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Amlodipine besilate impurity A

CAS:88150-62-3

Amlodipine besilate impurity A is a low-energy impurity that is formed in the crystallization process. …

Formula:

C₂₈H₂₇ClN₂O₇

Purity:

Min. 95%

Molecular weight:

539 g/mol

Ref: 3D-IA63610

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Estimated delivery in United States, on Monday 13 Jan 2025

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(5S)-5-(Aminomethyl)-3-[3-fluoro-4-(4-morpholinyl)phenyl]-1,3-oxazolidin-2-one

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(5S)-5-(Aminomethyl)-3-[3-fluoro-4-(4-morpholinyl)phenyl]-1,3-oxazolidin-2-one

CAS:168828-90-8

(5S)-5-(Aminomethyl)-3-[3-fluoro-4-(4-morpholinyl)phenyl]-1,3-oxazolidin-2-one is a molecule with a broad spectrum of antimicrobial activity. It is a potent …

Formula:

C₁₄H₁₈FN₃O₃

Purity:

Min. 95%

Color and Shape:

Off-White Powder

Molecular weight:

295.31 g/mol

Ref: 3D-IA58038

5g		177.00 €
10g		237.00 €
25g		441.00 €
50g		523.00 €
100g		868.00 €

Estimated delivery in United States, on Monday 13 Jan 2025

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