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Organic heterocyclic compounds that contain an imidazole ring fused to a pyrimidine ring. Imidazole is five-membered ring with three carbon atoms and two nitrogen atoms; pyrimidine is a six-membered ring with four carbon atoms and two nitrogen atoms.
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Small and Specialty Supplier Partner Small and/or specialty supplier based on Federal laws and SBA requirements. Learn More
Theophylline impurity 9 (2-hydroxyethyl 4-methylbenzenesulfonate) is an analytical reference standard used for identification and quantification of a theophylline-related impurity in research and quality-control workflows.
Analytical reference standard for theophylline impurity identification.
Cas 42772-85-0.
Molecular formula C9H12O4S; molecular weight 216.26 g/mol.
Available pack sizes include 100 mg, 250 mg, 500 mg, and 1 g; larger sizes by inquiry.
Storage: pure form -20°C (3 years) or 4°C (2 years); in solvent -80°C (6 months) or -20°C (1 month).
Batch-specific purity and analytical data provided in the certificate of analysis.
Encompass Procurement Services Non-distribution item offered as a customer accommodation; additional freight charges may apply. Learn More