Drug Impurities Reference Standards

We offer a large selection of reference standards of drug-related process impurities, drug degradation products, including compendial impurities listed by USP, EP and other compendia. We strive to offer complete sets of drug impurities in line with analytical target profiles of drug substances. Many of our products are not available from any other manufacturer.

Showing 1–10 of 1775 results

Calcipotriol EP Impurity I
- Product Number CCT-15-001
- Parent Drug Calcipotriol
- CAS Number N/A
- Category Drug Impurities Reference Standards
Pending QC
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+ Synonyms -(6S,7R,8R,22E,24S)-24-cyclopropyl-6,8:7,19-dicyclo-9,10-secochola-5(10),22-diene-1a,3ß,24-triol Suprasterol of calcipotriol
Calcipotriol EP Impurity F
- Product Number CCT-14-001
- Parent Drug Calcipotriol
- CAS Number 112875-61-3
- Category Drug Impurities Reference Standards
In Stock - Ready to Ship
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+ Synonyms -(5Z,7E,22E,24S)-24-cyclopropyl-1a,3ß-bis[[(1,1-dimethylethyl)dimethylsilyl]oxy]-9,10-secochola-5,7,10(19), 22-tetraen-24-ol Bis-tert-butyldimethylsilyl-cis-calcipotriol
Calcipotriol Isopropyl Ether
- Product Number ACB-170818-0003
- Parent Drug Calcipotriol
- CAS Number N/A
- Category Drug Impurities Reference Standards
Made to Order - Lead Time: 2-3 week(s)
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+ Synonyms -Calcipotriene Isopropyl Ether
Calcipotriol EP Impurity H
- Product Number CCT-15-003
- Parent Drug Calcipotriol
- CAS Number N/A
- Category Drug Impurities Reference Standards
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+ Synonyms -(5Z 10(19)10-secochola-5 22-tetraene-1a 22E 22tetraen-24-yl]oxy]-9 24R)-24-cyclopropyl-24-[[(5Z 24S)-24-cyclopropyl-1a 3ß-dihydroxy-9 3ß-diol]7 7E
Adapalene Hydroxy Methyl Ester
- Product Number ADA-16-002
- Parent Drug Adapalene
- CAS Number N/A
- Category Drug Impurities Reference Standards
Made to Order - Lead Time: 4 to 6 week(s)
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Aripiprazole 4,4′-Dimer
- Product Number ARI-12-002
- Parent Drug Aripiprazole
- CAS Number 1797986-18-5
- Category Drug Impurities Reference Standards
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+ Synonyms -1,1’-(Ethane-1,1-diyl)bis(2,3-dichloro-4-{4-[3,4-dihydroquinolin-2(1H)-one-7-yloxybutyl]piperazin-1-yl}benzene)USP 4,4'-dimer impurity
Olopatadine Carbaldehyde (as Hydrochloride)
- Product Number OLO-11-004
- Parent Drug Olopatadine
- CAS Number N/A
- Category Drug Impurities Reference Standards
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+ Synonyms -(Z)-11-[3-(Dimethylamino)propylidene]-6 11-dihydrodibenzo[b e]oxepine-2-carbaldehyde USP Olopatadine Carbaldehyde Impurity
Cabozantinib m-Fluoro
- Product Number B-70831-4
- Parent Drug Cabozantinib
- CAS Number N/A
- Category Drug Impurities Reference Standards
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+ Synonyms -N-(4-(6,7-dimethoxyquinolin-4-yloxy)phenyl)-N'-(3-fluorophenyl)cyclopropane-1,1-dicarboxamide
Argatroban N-Nitro Impurity
- Product Number B-80327-0002
- Parent Drug Argatroban
- CAS Number 74874-10-5
- Category Drug Impurities Reference Standards
Pending QC
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Argatroban Desguanidyl Amino Impurity
- Product Number B-80327-0003
- Parent Drug Argatroban
- CAS Number N/A
- Category Drug Impurities Reference Standards
Pending QC
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