CAS Registry Number

CAS 58-55-9 — Theophylline

Theophylline is a methylxanthine derivative used primarily as a bronchodilator in respiratory treatments, such as asthma and COPD, and as a smooth muscle relaxant. It functions by inhibiting phosphodiesterase enzymes, increasing cyclic AMP levels, and relaxing airway smooth muscle. This chemical has a CAS number of 58-55-9, with the molecular formula C7H8N4O2 and a molecular weight of 180.164 g/mol. It is stored at ambient conditions and carries a "Danger" signal word due to its toxicity. Molekula supplies Theophylline from research to bulk quantities with full documentation and ISO 9001:2015 traceability.