58-55-9: Caffeine EP Impurity A
Caffeine EP Impurity A (CAS No: 58-55-9) chemically known as theophylline has been utilized in the treatment of asthma and chronic obstructive pulmonary disease, It is currently a less preferred choice than inhaled corticosteroids recommended as a second-line choice in the management of patients with asthma. Although it is still used as a bronchodilator in Chronic Obstructive Pulmonary Lung Disease.
Additional information on CAS 58-55-9
Caffeine/ Pentoxifylline/ Diprophylline/ Dimenhydrinate
Theophylline; Pentoxifylline EP Impurity C; Dimenhydrinate EP Impurity A; Diprophylline EP Impurity B; 3, 9-Dihydro-1, 3-dimethyl-1H-purine-2, 6-dione; 3, 7-Dihydro-1, 3-dimethyl- 1H-purine-; 3, 9-Dihydro-1, 3-dimethyl-1H-purine-2, 6-dione; 3, 7-Dihydro-1, 3-dimethyl- 1H-purine-
Barnes, Peter J. “Theophylline.” American Journal of Respiratory and Critical Care Medicine, vol. 167, no. 6, Mar. 2003, pp. 813–18, https://doi.org/10.1164/rccm.200210-1142pp. ?
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