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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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BrandProduct dataPurityPrice rangeEstimated delivery
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Norethindrone acetate impurity
REF: 3D-FN26446CAS: 1175129-26-6 		Min. 95%248.00 €~1,623.00 €Fri 29 Nov 24
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rac-Norphenylephrine hydrochloride
REF: 3D-IN27563CAS: 4779-94-6 		Min. 95%172.00 €~646.00 €Fri 29 Nov 24
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Cefotaxime sodium impurity C
REF: 3D-IC63685CAS: 66403-32-5 		Min. 95%To inquireFri 29 Nov 24
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(3R)-Tetrahydrofuran-3-yl 4-Methylbenzenesulfonate
REF: 3D-FT181167CAS: 219823-47-9 		Min. 95%To inquireFri 29 Nov 24
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Anastrozole dimer impurity - 65%
REF: 3D-IA61497CAS: 1216898-82-6 		Min. 95%To inquireFri 29 Nov 24
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Desmethyl fluvoxamine - EP
REF: 3D-ID21269CAS: 192876-02-1 		Min. 95%To inquireFri 29 Nov 24
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10-Oxo mirtazapine
REF: 3D-IO26655CAS: 191546-97-1 		Min. 95%194.00 €~1,047.00 €Fri 29 Nov 24
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2-Hydroxy-2,3-tetrahydrofuranyl entecavir
REF: 3D-IH106332CAS: 1984788-96-6 		Min. 95%To inquireFri 29 Nov 24
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Amino albendazole sulfone
REF: 3D-IA17360CAS: 80983-34-2 		Min. 95%136.00 €~453.00 €Fri 29 Nov 24
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1-Desmethyl 2-methyl granisetron
REF: 3D-ID21230CAS: 127472-42-8 		Min. 95%To inquireFri 29 Nov 24
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1-[1-(4-Methoxyphenyl)-2-(methylamino)ethyl]-cyclohexanol hydrochloride
REF: 3D-IM63866CAS: 93413-90-2 		Min. 95%136.00 €~480.00 €Fri 29 Nov 24
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N-Formyl-L-leucine (1R)-1-[[(2R,3R)-3-Hexyl-4-oxo-2-oxetanyl]methyl]dodecyl ester
REF: 3D-IF26579CAS: 111466-61-6 		Min. 95%To inquireFri 29 Nov 24
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Remdesivir impurity 1
REF: 3D-IR177098CAS: 1355049-95-4 		Min. 95%To inquireFri 29 Nov 24
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Pencyclovir Impurity 1
REF: 3D-FP165992CAS: 100199-40-4 		Min. 95%To inquireFri 29 Nov 24
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1-Isopropyl-1-N-methylpropylamino-(3,4-dimethoxyphenyl)acetonitrile
REF: 3D-II27496CAS: 34245-14-2 		Min. 95%To inquireFri 29 Nov 24
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a-Ribavirin (impurity B)
REF: 3D-NR10396CAS: 57198-02-4 		Min. 95%To inquireFri 29 Nov 24
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3-(Methylamino)-1-(2-thienyl)propan-1-ol
REF: 3D-IM58102CAS: 116539-56-1 		Min. 95%To inquireFri 29 Nov 24
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7 S-Cefdinir
REF: 3D-IC165847CAS: 178601-89-3 		Min. 95%To inquireFri 29 Nov 24
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[4-(4-Amino-6,7-dimethoxy-2-quinazolinyl)-1-piperazinyl][(5S)-tetrahydro-5-methyl-2-furanyl]-methanone
REF: 3D-IA63848CAS: 1177261-85-6 		Min. 95%To inquireFri 29 Nov 24
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Salmeterol Dimer Impurity (Mixture of Diastereomers)
REF: 3D-FS178211CAS: 1391051-88-9 		Min. 95%To inquireFri 29 Nov 24
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Norethindrone acetate impurity
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Norethindrone acetate impurity

CAS:1175129-26-6
Norethindrone acetate impurity is a drug product that is used in the development and research …
Formula:
C22H28O3
Purity:
Min. 95%
Color and Shape:
Powder
Molecular weight:
340.46 g/mol

Ref: 3D-FN26446

1mg248.00 €
2mg364.00 €
5mg517.00 €
10mg863.00 €
25mg1,623.00 €
Estimated delivery in United States, on Friday 29 Nov 2024
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rac-Norphenylephrine hydrochloride
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rac-Norphenylephrine hydrochloride

Controlled Product
CAS:4779-94-6
Racemic norphenylephrine hydrochloride is a sympathomimetic amine. It is the racemic mixture of two enantiomers: …
Formula:
C8H12ClNO2
Purity:
Min. 95%
Molecular weight:
189.64 g/mol

Ref: 3D-IN27563

10g172.00 €
25g310.00 €
50g436.00 €
100g646.00 €
Estimated delivery in United States, on Friday 29 Nov 2024
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Cefotaxime sodium impurity C
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Cefotaxime sodium impurity C

CAS:66403-32-5
Cefotaxime sodium impurity C is a by-product of the synthesis of cefotaxime. It is an …
Formula:
C17H17N5O8S2
Purity:
Min. 95%
Molecular weight:
483.48 g/mol

Ref: 3D-IC63685

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Estimated delivery in United States, on Friday 29 Nov 2024
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(3R)-Tetrahydrofuran-3-yl 4-Methylbenzenesulfonate
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(3R)-Tetrahydrofuran-3-yl 4-Methylbenzenesulfonate

CAS:219823-47-9
Tetrahydrofuran-3-yl 4-methylbenzenesulfonate is a synthetic compound that has been used as an impurity standard for …
Formula:
C11H14O4S
Purity:
Min. 95%
Molecular weight:
242.29 g/mol

Ref: 3D-FT181167

25mgTo inquire
50mgTo inquire
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Estimated delivery in United States, on Friday 29 Nov 2024
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Anastrozole dimer impurity - 65%
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Anastrozole dimer impurity - 65%

CAS:1216898-82-6
Anastrozole is an aromatase inhibitor used in the treatment of breast cancer. It is a …
Formula:
C30H31N9
Purity:
Min. 95%
Molecular weight:
517.63 g/mol

Ref: 3D-IA61497

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Estimated delivery in United States, on Friday 29 Nov 2024
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Desmethyl fluvoxamine - EP
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Desmethyl fluvoxamine - EP

CAS:192876-02-1
Desmethyl fluvoxamine is the active metabolite of fluvoxamine, which is a drug used to treat …
Formula:
C14H19F3N2O2
Purity:
Min. 95%
Molecular weight:
304.31 g/mol

Ref: 3D-ID21269

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2mgTo inquire
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25mgTo inquire
Estimated delivery in United States, on Friday 29 Nov 2024
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10-Oxo mirtazapine
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10-Oxo mirtazapine

CAS:191546-97-1
10-Oxo mirtazapine is a metabolite of the antidepressant drug mirtazapine. It is an impurity in …
Formula:
C17H17N3O
Purity:
Min. 95%
Molecular weight:
279.34 g/mol

Ref: 3D-IO26655

1mg194.00 €
2mg310.00 €
5mg436.00 €
10mg647.00 €
25mg1,047.00 €
Estimated delivery in United States, on Friday 29 Nov 2024
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2-Hydroxy-2,3-tetrahydrofuranyl entecavir
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2-Hydroxy-2,3-tetrahydrofuranyl entecavir

CAS:1984788-96-6
2-Hydroxy-2,3-tetrahydrofuranyl entecavir is a drug product that is an impurity standard for 2-hydroxy-2,3-dihydrofuranilide. It is …
Formula:
C12H15N5O4
Purity:
Min. 95%
Molecular weight:
293.28 g/mol

Ref: 3D-IH106332

25mgTo inquire
50mgTo inquire
Estimated delivery in United States, on Friday 29 Nov 2024
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Amino albendazole sulfone
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Amino albendazole sulfone

CAS:80983-34-2
Amino albendazole sulfone is an anthelmintic drug that is used to treat worm infestations in …
Formula:
C10H13N3O2S
Purity:
Min. 95%
Molecular weight:
239.3 g/mol

Ref: 3D-IA17360

5mg136.00 €
10mg138.00 €
25mg194.00 €
50mg310.00 €
100mg453.00 €
Estimated delivery in United States, on Friday 29 Nov 2024
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1-Desmethyl 2-methyl granisetron
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1-Desmethyl 2-methyl granisetron

CAS:127472-42-8
Granisetron is a serotonin 5-hydroxytryptamine 3 (5-HT3) receptor antagonist. It is used in the prevention …
Formula:
C18H24N4O
Purity:
Min. 95%
Molecular weight:
312.41 g/mol

Ref: 3D-ID21230

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Estimated delivery in United States, on Friday 29 Nov 2024
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1-[1-(4-Methoxyphenyl)-2-(methylamino)ethyl]-cyclohexanol hydrochloride
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1-[1-(4-Methoxyphenyl)-2-(methylamino)ethyl]-cyclohexanol hydrochloride

CAS:93413-90-2
1-[1-(4-Methoxyphenyl)-2-(methylamino)ethyl]-cyclohexanol hydrochloride is a drug product that is not yet approved for use in humans. …
Formula:
C16H25NO2·HCl
Purity:
Min. 95%
Molecular weight:
299.84 g/mol

Ref: 3D-IM63866

5mg136.00 €
10mg151.00 €
25mg213.00 €
50mg341.00 €
100mg480.00 €
Estimated delivery in United States, on Friday 29 Nov 2024
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N-Formyl-L-leucine (1R)-1-[[(2R,3R)-3-Hexyl-4-oxo-2-oxetanyl]methyl]dodecyl ester
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N-Formyl-L-leucine (1R)-1-[[(2R,3R)-3-Hexyl-4-oxo-2-oxetanyl]methyl]dodecyl ester

CAS:111466-61-6
N-Formyl-L-leucine (1R)-1-[[(2R,3R)-3-Hexyl-4-oxo-2-oxetanyl]methyl]dodecyl ester is an impurity standard for HPLC. It is a synthetic compound that …
Formula:
C29H53NO5
Purity:
Min. 95%
Molecular weight:
495.73 g/mol

Ref: 3D-IF26579

10mgTo inquire
Estimated delivery in United States, on Friday 29 Nov 2024
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Remdesivir impurity 1
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Remdesivir impurity 1

CAS:1355049-95-4
Remdesivir impurity 1 is a drug product, analytical and Metabolism studies. It is a custom …
Formula:
C12H13N5O4
Purity:
Min. 95%
Molecular weight:
291.26 g/mol

Ref: 3D-IR177098

10mgTo inquire
Estimated delivery in United States, on Friday 29 Nov 2024
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Pencyclovir Impurity 1
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Pencyclovir Impurity 1

CAS:100199-40-4
Pencyclovir Impurity 1 is a drug product that is used as an analytical reference for …
Formula:
C10H14CIN5O2
Purity:
Min. 95%
Molecular weight:
375.17 g/mol

Ref: 3D-FP165992

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2mgTo inquire
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25mgTo inquire
Estimated delivery in United States, on Friday 29 Nov 2024
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1-Isopropyl-1-N-methylpropylamino-(3,4-dimethoxyphenyl)acetonitrile
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1-Isopropyl-1-N-methylpropylamino-(3,4-dimethoxyphenyl)acetonitrile

CAS:34245-14-2
1-Isopropyl-1-N-methylpropylamino-(3,4-dimethoxyphenyl)acetonitrile is a fluorescent probe that can be used for the detection of drugs in …
Formula:
C17H26N2O2
Purity:
Min. 95%
Color and Shape:
Powder
Molecular weight:
290.4 g/mol

Ref: 3D-II27496

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Estimated delivery in United States, on Friday 29 Nov 2024
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a-Ribavirin (impurity B)
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a-Ribavirin (impurity B)

Controlled Product
CAS:57198-02-4
Ribavirin is an antiviral drug that inhibits the synthesis of RNA and DNA. It is …
Formula:
C8H12N4O5
Purity:
Min. 95%
Molecular weight:
244.2 g/mol

Ref: 3D-NR10396

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3-(Methylamino)-1-(2-thienyl)propan-1-ol
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3-(Methylamino)-1-(2-thienyl)propan-1-ol

CAS:116539-56-1
3-(Methylamino)-1-(2-thienyl)propan-1-ol is a lipase inhibitor that belongs to the group of 1-fluoronaphthalene. It is an …
Formula:
C8H13NOS
Purity:
Min. 95%
Molecular weight:
171.26 g/mol

Ref: 3D-IM58102

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100mgTo inquire
Estimated delivery in United States, on Friday 29 Nov 2024
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7 S-Cefdinir
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7 S-Cefdinir

CAS:178601-89-3
7 S-Cefdinir is an oral cephalosporin antibiotic that binds to penicillin-binding proteins in the bacterial …
Formula:
C14H13N5O5S2
Purity:
Min. 95%
Molecular weight:
395.42 g/mol

Ref: 3D-IC165847

50mgTo inquire
Estimated delivery in United States, on Friday 29 Nov 2024
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[4-(4-Amino-6,7-dimethoxy-2-quinazolinyl)-1-piperazinyl][(5S)-tetrahydro-5-methyl-2-furanyl]-metha…
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[4-(4-Amino-6,7-dimethoxy-2-quinazolinyl)-1-piperazinyl][(5S)-tetrahydro-5-methyl-2-furanyl]-methanone

CAS:1177261-85-6
Furegrelate is an analytical reference standard for the hydroxylation of 4-(4-amino-6,7-dimethoxy-2-quinazolinyl)-1-piperazinyl[(5S)-tetrahydro-5-methyl-2-furanyl]-methanone. Furegrelate is a synthetic …
Formula:
C20H27N5O4
Purity:
Min. 95%
Molecular weight:
401.46 g/mol

Ref: 3D-IA63848

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Estimated delivery in United States, on Friday 29 Nov 2024
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Salmeterol Dimer Impurity (Mixture of Diastereomers)
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Salmeterol Dimer Impurity (Mixture of Diastereomers)

CAS:1391051-88-9
Salmeterol dimer impurity is a drug product. It is a custom synthesis with high purity. …
Formula:
C50H72N2O7
Purity:
Min. 95%
Molecular weight:
812.53395

Ref: 3D-FS178211

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10mgTo inquire
500µgTo inquire
Estimated delivery in United States, on Friday 29 Nov 2024
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