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Medchemexpress LLC 2-hydroxyethyl 4-methylbenzenesulfonate | 42772-85-0 | 216.26 | C9H12O4S | 500 MG
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Supplier:  Medchemexpress LLC HYW087424500MG

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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.

Catalog No. 50-002-08541


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