Theophylline Raw powder CAS 58-55-9 Livraison rapide et sûre
Détail rapide:
Synonymes: CLOBETASOL-17-PROPIONATE; 17-propionate;cgp9555;clobésol;pregna-1,4-diène-3,20-dione,21-chloro-9-fluoro-11-bêta,17-dihydroxy-16-bêta-me
CAS: 25122-46-7
Formule moléculaire: C25H32ClFO5
Masse moléculaire: 466.97
EINECS: 246-634-3
Essai: 97-102%, USP33
Emballage: 1 kg/foil bag or tin.
Personnage: Poudre cristalline blanche. Mp 195-197
La description:
This product has a direct relaxation effect on the smooth muscle of the respiratory tract. Its mechanism of action is more complex, in the past that by inhibiting the phosphodiesterase, so that the increase in intracellular cell content caused. Recent studies suggest that the role of theophylline of bronchial dilatation is partly due to the release of endogenous adrenaline and norepinephrine, en outre, theophylline is purine receptor blockers, against adenine and other contraction of the respiratory tract.
Application:
Theophylline is used to prevent and treat wheezing, shortness of breath, and chest tightness caused by asthma, chronic bronchitis, emphysema, and other lung diseases.It relaxes and opens air passages in the lungs, making it easier to breathe.Theophylline is a smooth muscle relaxant used chiefly for it’s bronchodilator effect, treating of chronic obstructive pulmonary emphysema(COPD), bronchial asthma, chronic bronchitis and bronchospastic distress.Theophylline can increase blood pressure and renal blood flow, increasing heart muscle contractility and efficiency;As a positive inotropic, increasing heart rate:Positive chronotropic, some anti-inflammatory effects, central nervous system stimulatory effect mainly on the medullary respiratory center.