Catalog division
Impurity Reference Standards
Pharmacopoeial impurities, nitrosamines, metabolites, labelled internal standards and API working standards, each backed by analytical data for method development and QC.
Methyl-2-ethoxy-1H- benzimidazole -7-carboxylate
- CAS
- 150058-27-8
- Formula
- C11H12N2O3
- MW
- 220.22 g/mol
ZX-021009
Methyl(3r)-3-(tert-butyldimethylsilyloxy)-5-oxo-6-triphenylphosphoranylidene hexanoate
- CAS
- 147118-35-2
- Formula
- C31H39O4PSi
- MW
- 534.7 g/mol
ZX-026821
Methyl(S)-2-amino-3-((S)-2-oxopyrrolidin-3-yl)propanoate hydrochloride
- CAS
- 1429218-41-6
- Formula
- C8H15ClN2O3
- MW
- 222.67 g/mol
ZX-030872
Methyl2,3-O-Isopropylidene-5-O-tosyl-beta-D-ribofuranoside
- CAS
- 4137-56-8
- Formula
- C16H22O7S
- MW
- 358.4 g/mol
ZX-033146
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