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Postion:Product Catalog >API>Respiratory Drugs>Asthma drugs>Theophylline
Theophylline
  • Theophylline

Theophylline NEW

Price Get Latest Price
Package 1kg
Min. Order: 1kg
Supply Ability: 1000kg
Update Time: 2026-06-23

Product Details

Product Name: Theophylline CAS No.: 58-55-9
Min. Order: 1kg Purity: 0.99
Supply Ability: 1000kg Release date: 2026/06/23

**Theophylline: An Overview**  

 

**Definition:**  

Theophylline is a methylxanthine derivative, commonly used as a bronchodilator and respiratory stimulant. It is a white crystalline powder with the molecular formula C7H8N4O2 and is structurally similar to caffeine.  

 

**Function:**  

Theophylline works by relaxing the smooth muscles of the bronchial airways and improving lung function. It achieves this by inhibiting phosphodiesterase enzymes and blocking adenosine receptors, leading to reduced inflammation and enhanced airflow. Additionally, it stimulates the central nervous system and has mild diuretic effects.  

 

**Applications:**  

Theophylline is primarily used to treat respiratory conditions such as asthma, chronic obstructive pulmonary disease (COPD), and bronchitis. It is available in oral tablets, capsules, and intravenous forms, making it suitable for both acute and chronic management. Due to its narrow therapeutic index, careful dosage monitoring is required to avoid side effects.  


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