Theophylline, CAS 58-55-9

Formulation: A solid

Formal Name: 3,9-dihydro-1,3-dimethyl-1H-purine-2,6-dione

Purity: ≥98%

Formula Markup: C7H8N4O2

Formula Weight: 180,2

Shelf life (days): 1460

CAS Number: 58-55-9

Notes: Theophylline is a methylxanthine alkaloid that is a competitive inhibitor of phosphodiesterase (PDE; Ki = 100 µM).{41252} It is also a non-selective antagonist of adenosine A receptors (Ki = 14 µM for A1 and A2).{41253} Theophylline induces relaxation of feline bronchiole smooth muscle precontracted with acetylcholine (EC40 = 117 µM; EC80 = 208 µM).{41254} Formulations containing theophylline have been used in the treatment of asthma and chronic obstructive pulmonary disease (COPD).

• SKU: CAY23760-100
• Manufacturer: Cayman Chemical
• Manufacturer SKU: 23760-100
• Green Labware: No
• Package Unit: 100 g
• Quantity Unit: STK