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Active pharmaceutical ingredient (API) impurities for research

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BrandProduct dataPurityPrice rangeEstimated delivery
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4-(Diethylboranyl) pyridine
REF: 3D-ID158240CAS: 93830-58-1 		Min. 95%To inquireTue 11 Feb 25
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5-(4-Methoxyphenyl)-3-methyl-1-oxa-3-azaspiro[5.5]undecane
REF: 3D-IM28679CAS: 93413-70-8 		Min. 95%711.00 €~2,898.00 €Tue 11 Feb 25
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6-Des(1-methyl-2-benzimidazolyl)-6-carboxy telmisartan
REF: 3D-ID21073CAS: 884330-12-5 		Min. 95%54.00 €~739.00 €Tue 11 Feb 25
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2,2'-(1,4-Piperazinediyl)bis[6,7-dimethoxy-4-quinazolinamine]
REF: 3D-IP27062CAS: 102839-00-9 		Min. 95%194.00 €~1,160.00 €Tue 11 Feb 25
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22,23-Dihydroavermectin B1b (Ivermectin B1b)
REF: 3D-FD177819CAS: 70209-81-3 		Min. 95%541.00 €~8,671.00 €Tue 11 Feb 25
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6,7,8,9-Tetrahydro-3-[2-[4-(6-methoxy-1,2-benzisoxazol-3-yl)-1-piperidinyl]ethyl]-2-methyl-4H-pyrido[1,2-a]pyrimidin-4-one
REF: 3D-IT81401CAS: 1246817-15-1 		Min. 95%To inquireTue 11 Feb 25
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(1-Ethyl-1-methylpropyl)benzene
REF: 3D-IE157103CAS: 1985-97-3 		Min. 95%To inquireTue 11 Feb 25
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Amlodipine besilate impurity D
REF: 3D-IA63613CAS: 113994-41-5 		Min. 95%149.00 €~3,010.00 €Tue 11 Feb 25
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trans-4-(6,8-Dibromo-3(4H)-quinazolinyl)cyclohexanol hydrochloride
REF: 3D-ID183211CAS: 2356152-56-0 		Min. 95%To inquireTue 11 Feb 25
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trans-4-[[(2-Amino-5-bromophenyl)methyl]amino]cyclohexanol
REF: 3D-IA183210CAS: 101900-43-0 		Min. 95%To inquireTue 11 Feb 25
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N-Demethyl-N-(ethylsuccinyl) erythromycin
REF: 3D-ID183171		Min. 95%To inquireTue 11 Feb 25
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5-Chloro-N-[3-[[(5-chloro-2-thienyl)carbonyl]amino]-2-hydroxypropyl]-N-[4-(3-oxo-4-morpholinyl)phenyl]-2-thiophenecarboxamide
REF: 3D-IC183209CAS: 1838133-00-8 		Min. 95%To inquireTue 11 Feb 25
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δ 2 Cefdinir
REF: 3D-ID165846CAS: 934986-49-9 		Min. 95%To inquireTue 11 Feb 25
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Acyclovir Impurity K
REF: 3D-IA167660CAS: 1797131-64-6 		Min. 95%To inquireTue 11 Feb 25
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2- (Diethylboryl)pyridine
REF: 3D-ID158241CAS: 385804-67-1 		Min. 95%To inquireTue 11 Feb 25
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6-Amino-5-ethyl-5-phenyl-2,4(3H,5H)-pyrimidinedione
REF: 3D-FP171041CAS: 58042-96-9 		Min. 95%To inquireTue 11 Feb 25
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4-Epiminocycline
REF: 3D-FE159617CAS: 43168-51-0 		Min. 95%582.00 €~4,985.00 €Tue 11 Feb 25
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Donepezil benzyl bromide (donepezil impurity)
REF: 3D-ID22593CAS: 844694-85-5 		Min. 95%To inquireTue 11 Feb 25
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N-Formyl-L-leucine (3S,4S,6S)-3-hexyltetrahydro-2-oxo-6-undecyl-2H-pyran-4-yl ester
REF: 3D-IF23583CAS: 130676-65-2 		Min. 95%To inquireTue 11 Feb 25
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Pregabalin impurity PD 0312236 and Pregabalin impurity PD 0312237 (mixture of tautomeric isomers)
REF: 3D-ID63812CAS: 501666-23-5 		Min. 95%To inquireTue 11 Feb 25
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4-(Diethylboranyl) pyridine
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4-(Diethylboranyl) pyridine

CAS:93830-58-1
4-(Diethylboranyl)pyridine is a nucleophilic, anticoagulant drug. It interacts with the electronegative oxygen atoms in the …
Formula:
C9H14BN
Purity:
Min. 95%
Molecular weight:
147.03 g/mol

Ref: 3D-ID158240

250mgTo inquire
Estimated delivery in United States, on Tuesday 11 Feb 2025
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5-(4-Methoxyphenyl)-3-methyl-1-oxa-3-azaspiro[5.5]undecane
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5-(4-Methoxyphenyl)-3-methyl-1-oxa-3-azaspiro[5.5]undecane

CAS:93413-70-8
5-(4-Methoxyphenyl)-3-methyl-1-oxa-3-azaspiro[5.5]undecane is an analytical standard used in HPLC and GC. It can also be used …
Formula:
C17H25NO2
Purity:
Min. 95%
Molecular weight:
275.39 g/mol

Ref: 3D-IM28679

1mg711.00 €
2mg986.00 €
5mg2,087.00 €
10mg2,898.00 €
Estimated delivery in United States, on Tuesday 11 Feb 2025
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6-Des(1-methyl-2-benzimidazolyl)-6-carboxy telmisartan
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6-Des(1-methyl-2-benzimidazolyl)-6-carboxy telmisartan

CAS:884330-12-5
Telmisartan is a drug that belongs to the class of angiotensin II receptor antagonists and …
Formula:
C26H24N2O4
Purity:
Min. 95%
Molecular weight:
428.48 g/mol

Ref: 3D-ID21073

5mg172.00 €
10mg248.00 €
25mg363.00 €
50mg518.00 €
100mg739.00 €
Estimated delivery in United States, on Tuesday 11 Feb 2025
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2,2'-(1,4-Piperazinediyl)bis[6,7-dimethoxy-4-quinazolinamine]
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2,2'-(1,4-Piperazinediyl)bis[6,7-dimethoxy-4-quinazolinamine]

CAS:102839-00-9
2,2'-(1,4-Piperazinediyl)bis[6,7-dimethoxy-4-quinazolinamine] is a chemical compound that is used as a lead to develop new drugs …
Formula:
C24H28N8O4
Purity:
Min. 95%
Molecular weight:
492.53 g/mol

Ref: 3D-IP27062

1mg194.00 €
2mg310.00 €
5mg436.00 €
10mg647.00 €
25mg1,160.00 €
Estimated delivery in United States, on Tuesday 11 Feb 2025
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22,23-Dihydroavermectin B1b (Ivermectin B1b)
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22,23-Dihydroavermectin B1b (Ivermectin B1b)

CAS:70209-81-3
Ivermectin is a drug that belongs to the anthelmintic class of drugs. It is active …
Formula:
C47H72O14
Purity:
Min. 95%
Molecular weight:
861.07 g/mol

Ref: 3D-FD177819

1mg1,531.00 €
2mg2,806.00 €
5mg5,356.00 €
10mg8,671.00 €
Estimated delivery in United States, on Tuesday 11 Feb 2025
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6,7,8,9-Tetrahydro-3-[2-[4-(6-methoxy-1,2-benzisoxazol-3-yl)-1-piperidinyl]ethyl]-2-methyl-4H-pyri…
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6,7,8,9-Tetrahydro-3-[2-[4-(6-methoxy-1,2-benzisoxazol-3-yl)-1-piperidinyl]ethyl]-2-methyl-4H-pyrido[1,2-a]pyrimidin-4-one

CAS:1246817-15-1
A custom synthesis of 6,7,8,9-tetrahydro-3-[2-[4-(6-methoxy-1,2-benzisoxazol-3-yl)-1-piperidinyl]ethyl]-2-methyl-4H-[1]pyrido[1,2-a]pyrimidin-4one A synthetic analog of the natural product erythromycin A. Metabolite: …
Formula:
C24H30N4O3
Purity:
Min. 95%
Molecular weight:
422.52 g/mol

Ref: 3D-IT81401

1mgTo inquire
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10mgTo inquire
Estimated delivery in United States, on Tuesday 11 Feb 2025
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(1-Ethyl-1-methylpropyl)benzene
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(1-Ethyl-1-methylpropyl)benzene

CAS:1985-97-3
(1-Ethyl-1-methylpropyl)benzene is an impurity of some drugs. It is a metabolite of the drug, and …
Formula:
C12H18
Purity:
Min. 95%
Molecular weight:
162.27 g/mol

Ref: 3D-IE157103

50mgTo inquire
100mgTo inquire
250mgTo inquire
Estimated delivery in United States, on Tuesday 11 Feb 2025
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Amlodipine besilate impurity D
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Amlodipine besilate impurity D

CAS:113994-41-5
Amlodipine besilate impurity D is a diluent, additive, and stabilizer. It is used in the …
Formula:
C20H23ClN2O5
Purity:
Min. 95%
Molecular weight:
406.86 g/mol

Ref: 3D-IA63613

1g3,010.00 €
50mg925.00 €
100mg1,159.00 €
250mg1,623.00 €
500mg2,437.00 €
Estimated delivery in United States, on Tuesday 11 Feb 2025
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trans-4-(6,8-Dibromo-3(4H)-quinazolinyl)cyclohexanol hydrochloride
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trans-4-(6,8-Dibromo-3(4H)-quinazolinyl)cyclohexanol hydrochloride

CAS:2356152-56-0
Trans-4-(6,8-Dibromo-3(4H)-quinazolinyl)cyclohexanol hydrochloride is a potent kinase inhibitor that has shown promising results in anticancer research. …
Formula:
C14H16Br2N2O•HCl
Purity:
Min. 95%
Molecular weight:
424.56 g/mol

Ref: 3D-ID183211

25mgTo inquire
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Estimated delivery in United States, on Tuesday 11 Feb 2025
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trans-4-[[(2-Amino-5-bromophenyl)methyl]amino]cyclohexanol
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trans-4-[[(2-Amino-5-bromophenyl)methyl]amino]cyclohexanol

CAS:101900-43-0
Please enquire for more information about trans-4-[[(2-Amino-5-bromophenyl)methyl]amino]cyclohexanol including the price, delivery time and more detailed …
Formula:
C13H19BrN2O
Purity:
Min. 95%
Molecular weight:
299.21 g/mol

Ref: 3D-IA183210

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Estimated delivery in United States, on Tuesday 11 Feb 2025
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N-Demethyl-N-(ethylsuccinyl) erythromycin
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N-Demethyl-N-(ethylsuccinyl) erythromycin

Please enquire for more information about N-Demethyl-N-(ethylsuccinyl) erythromycin including the price, delivery time and more …
Formula:
C42H73NO16
Purity:
Min. 95%
Molecular weight:
848.03 g/mol

Ref: 3D-ID183171

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Estimated delivery in United States, on Tuesday 11 Feb 2025
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5-Chloro-N-[3-[[(5-chloro-2-thienyl)carbonyl]amino]-2-hydroxypropyl]-N-[4-(3-oxo-4-morpholinyl)phe…
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5-Chloro-N-[3-[[(5-chloro-2-thienyl)carbonyl]amino]-2-hydroxypropyl]-N-[4-(3-oxo-4-morpholinyl)phenyl]-2-thiophenecarboxamide

CAS:1838133-00-8
Please enquire for more information about 5-Chloro-N-[3-[[(5-chloro-2-thienyl)carbonyl]amino]-2-hydroxypropyl]-N-[4-(3-oxo-4-morpholinyl)phenyl]-2-thiophenecarboxamide including the price, delivery time and more detailed …
Formula:
C23H21Cl2N3O5S2
Purity:
Min. 95%
Molecular weight:
554.47 g/mol

Ref: 3D-IC183209

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Estimated delivery in United States, on Tuesday 11 Feb 2025
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δ 2 Cefdinir
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δ 2 Cefdinir

CAS:934986-49-9
Delta 2 Cefdinir is a cephalosporin antibiotic used for the treatment of respiratory tract infections …
Formula:
C14H13N5O5S2
Purity:
Min. 95%
Molecular weight:
395.42 g/mol

Ref: 3D-ID165846

1gTo inquire
Estimated delivery in United States, on Tuesday 11 Feb 2025
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Acyclovir Impurity K
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Acyclovir Impurity K

CAS:1797131-64-6
Acyclovir Impurity K is a drug product that is used as an analytical reference standard …
Formula:
C17H22N10O6
Purity:
Min. 95%
Molecular weight:
462.42 g/mol

Ref: 3D-IA167660

1mgTo inquire
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2- (Diethylboryl)pyridine
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2- (Diethylboryl)pyridine

CAS:385804-67-1
2- (Diethylboryl)pyridine is a custom synthesis drug product that is used in research and development …
Formula:
C9H14BN
Purity:
Min. 95%
Molecular weight:
147.03 g/mol

Ref: 3D-ID158241

5mgTo inquire
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25mgTo inquire
Estimated delivery in United States, on Tuesday 11 Feb 2025
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6-Amino-5-ethyl-5-phenyl-2,4(3H,5H)-pyrimidinedione
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6-Amino-5-ethyl-5-phenyl-2,4(3H,5H)-pyrimidinedione

CAS:58042-96-9
Phenobarbital impurity B is an analytical reference material that is available as a HPLC standard …
Formula:
C12H13N3O2
Purity:
Min. 95%
Molecular weight:
231.25 g/mol

Ref: 3D-FP171041

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Estimated delivery in United States, on Tuesday 11 Feb 2025
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4-Epiminocycline
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4-Epiminocycline

CAS:43168-51-0
4-Epiminocycline is a pharmaceutical preparation that belongs to the class of antibiotics. It is a …
Formula:
C23H27N3O7
Purity:
Min. 95%
Color and Shape:
Yellow Powder
Molecular weight:
457.48 g/mol

Ref: 3D-FE159617

1mg863.00 €
2mg1,507.00 €
5mg3,362.00 €
10mg4,985.00 €
500µg582.00 €
Estimated delivery in United States, on Tuesday 11 Feb 2025
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Donepezil benzyl bromide (donepezil impurity)
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Donepezil benzyl bromide (donepezil impurity)

CAS:844694-85-5
Donepezil benzyl bromide is a by-product of donepezil hydrochloride, which is an industrially important drug …
Formula:
C31H36BrNO3
Purity:
Min. 95%
Molecular weight:
550.53 g/mol

Ref: 3D-ID22593

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Estimated delivery in United States, on Tuesday 11 Feb 2025
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N-Formyl-L-leucine (3S,4S,6S)-3-hexyltetrahydro-2-oxo-6-undecyl-2H-pyran-4-yl ester
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N-Formyl-L-leucine (3S,4S,6S)-3-hexyltetrahydro-2-oxo-6-undecyl-2H-pyran-4-yl ester

CAS:130676-65-2
N-Formyl-L-leucine (3S,4S,6S)-3-hexyltetrahydro-2-oxo-6-undecyl-2H-pyran-4-yl ester is a synthetic compound that has been used as an impurity standard …
Formula:
C29H53NO5
Purity:
Min. 95%
Molecular weight:
495.73 g/mol

Ref: 3D-IF23583

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Estimated delivery in United States, on Tuesday 11 Feb 2025
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Pregabalin impurity PD 0312236 and Pregabalin impurity PD 0312237 (mixture of tautomeric isomers)
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Pregabalin impurity PD 0312236 and Pregabalin impurity PD 0312237 (mixture of tautomeric isomers)

CAS:501666-23-5
Lactose conjugate degradation product of pregabalin
Formula:
C20H35NO11
Purity:
Min. 95%
Molecular weight:
465.49 g/mol

Ref: 3D-ID63812

5mgTo inquire
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25mgTo inquire
Estimated delivery in United States, on Tuesday 11 Feb 2025
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