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Product | Description | |
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Theophylline Impurity 2 Quick inquiry Where to buy Suppliers range | An impurity of Dyphylline which is a xanthine derivative used to relieve breathing problems caused by bronchial asthma, chronic bronchitis, or emphysema. Grades: > 95%. Molecular formula: C9H12N4O4. Mole weight: 240.22. | |
Theophylline Impurity 3 Quick inquiry Where to buy Suppliers range | An impurity of Dyphylline which is a theophylline derivative used to treat and prevent wheezing and trouble breathing caused by ongoing lung disease. Synonyms: 1,3-Dimethyluric acid; 944-73-0; Oxytheophylline; 1,3-diMethyl-1H-purine-2,6,8(3H,7H,9H)-trione; Ba 2751; 1,3-Dimethylurate; 1,3-dimethyl-7,9-dihydropurine-2,6,8-trione; Uric acid, 1,3-dimethyl-; 1H-Purine-2,6,8(3H)-trione, 7,9-dihydro-1,3-dimethyl-; 7,9-Dihydro-1,3-dimethyl-1H-purine-2,6,8(3H)-trione. Grades: > 95%. CAS No. 944-73-0. Molecular formula: C7H8N4O3. Mole weight: 196.17. | |
Theophylline Impurity 4 Quick inquiry Where to buy Suppliers range | Theophyline impurity. Synonyms: 9-(1,3-Dioxolan-2-ylmethyl)-3,9-dihydro-1,3-dimethyl-1H-purine-2,6-dione. Grades: > 95%. CAS No. 1174289-18-9. Molecular formula: C11H14N4O4. Mole weight: 266.25. | |
Theophylline Impurity 5 Quick inquiry Where to buy Suppliers range | An impurity of Dyphylline which is a mainstay of therapy in some patients with acute and chronic obstructive airway disease. Grades: > 95%. Molecular formula: C10H16N4O3. Mole weight: 240.26. | |
7-(2-Cyanoethyl)-theophylline Quick inquiry Where to buy Suppliers range | 7-(2-Cyanoethyl)-theophylline is one of Caffeine impurities. Caffeine is a CNS stimulant. Alkaloid, purified from plants of Coffea genus, Rubiaceae. Synonyms: 1,2,3,6-Tetrahydro-1,3-dimethyl-2,6-dioxo-7H-purine-7-propanenitrile; 3-(1,3-Dimethyl-2,6-dioxo-1,2,3,6-tetrahydropurin-7-yl)propanenitrile; 1,3-dimethyl-7H-xanthine-7-propanenitrile; 7-Cyanoethyltheophylline; 7H-Purine-7-propanenitrile,1,2,3,6-tetrahydro-1,3-dimethyl-2,6-dioxo. Grades: 98%. CAS No. 1811-38-7. Molecular formula: C10H11N5O2. Mole weight: 233.23. | |
7-butyl-1,3-dimethylpurine-2,6-dione Quick inquiry Where to buy Suppliers range | Doxofylline Impurity 13 is a Doxofylline impurity. Doxofylline is a phosphodiesterase inhibitor and a xanthine derivative drug for asthma. Synonyms: 7-Butyltheophylline; Theophylline,7-butyl-; UNII-N2R6WU63DY; BRN0250158. Grades: 95%. CAS No. 1021-65-4. Molecular formula: C11H16N4O2. Mole weight: 236.27. | |
8-Chlorotheophylline Quick inquiry Where to buy Suppliers range | 8-Chlorotheophylline. Uses: For analytical and research use. Group: API Standards. Alternative Names: 8-Chloro-3,9-dihydro-1,3-dimethyl-1H-purine-2,6-dione, 1,3-Dimethyl-8-chloroxanthine, 8-Chlorotheophylline, NSC 6113, Theophylline, 8-chloro- (6CI,7CI,8CI), 8-Chloro-1,3-dimethylxanthine,1H-Purine-2,6-dione, 8-chloro-3,9-dihydro-1,3-dimethyl-, 1H-Purine-2,6-dione, 8-chloro-3,7-dihydro-1,3-dimethyl- (9CI). CAS No. 85-18-7. IUPAC Name: 8-chloro-1,3-dimethyl-7H-purine-2,6-dione. Molecular formula: C7H7ClN4O2. Mole weight: 214.61. Catalog: APS85187. SMILES: CN1C(=O)N(C)c2nc(Cl)[nH]c2C1=O. Format: Neat. Product Type: API component; Impurity. Shipping: Room Temperature. | |
Doxofylline Impurity 10 Quick inquiry Where to buy Suppliers range | Doxofylline Impurity 10 is a Doxofylline impurity. Doxofylline is a phosphodiesterase inhibitor and a xanthine derivative drug for asthma. Synonyms: ethyl 7-theophyllineacetate; (1,3-dimethyl-2,6-dioxo-1,2,3,6-tetrahydro-purin-7-yl)-acetic acid ethyl ester. CAS No. 7029-96-1. Molecular formula: C11H14N4O4. Mole weight: 266.25. | |
Doxofylline Impurity 2 Quick inquiry Where to buy Suppliers range | Doxofylline Impurity 2 (Theophylline Impurity 2) is a Doxofylline impurity. Doxofylline is a phosphodiesterase inhibitor and a xanthine derivative drug for asthma. Synonyms: Theophylline Impurity 1; 1,2,3,6-Tetrahydro-1,3-dimethyl-2,6-dioxopurine-7-acetaldehyde; 7-(Formylmethyl)theophylline; 7-Theophyllineacetaldehyde. Grades: > 95%. CAS No. 5614-53-9. Molecular formula: C9H10N4O3. Mole weight: 222.20. | |
Doxofylline Impurity 9 Quick inquiry Where to buy Suppliers range | Doxofylline Impurity 9 is a Doxofylline impurity. Doxofylline is a phosphodiesterase inhibitor and a xanthine derivative drug for asthma. Synonyms: 7-(2',2'-Diethoxyethyl)theophylline1111. CAS No. 43135-57-5. Molecular formula: C13H20N4O4. Mole weight: 296.32. | |
Etofylline Quick inquiry Where to buy Suppliers range | Etofylline. Uses: For analytical and research use. Group: API Standards; European Pharmacopoeia (Ph. Eur.); Impurity Standards; Pharmaceutical Toxicology; Pharmacopoeial Standards. Alternative Names: 7-(2-Hydroxyethyl)theophylline, 7-(2-Hydroxyethyl)-1,3-dimethylxanthine, Dilaphyllin, NSC 113373, Etophylline, Phyllocormin N, Hydroxyethyltheophylline, Frekaphyllin, Cordalin, Ascorphylline, Corophyllin-N, Etophyllin, Oxyphylline, Soluphylline, 7-Theophyllineethanol, 7-(beta-Hydroxyethyl)theophylline, Theophylline-Ethylenediamine Anhydrous Imp. F (EP), Oxyethyltheophylline, Oxyethophylline, KT 200G, Oxytheonyl,Diprophylline Imp. C (EP), Etofylline, Theophylline-Ethylenediamine Imp. F (EP), 7-(Hydroxyethyl)theophylline, Oxyphyllin, 7-(2-Hydroxyethyl)-1,3-dimethyl-3,7-dihydro-1H-purine-2,6-dione, 3,7-Dihydro-7-(2-hydroxyethyl)-1,3-dimethyl-1H-purine-2,6-dione, Bio-phylline, Theophylline USP Related Compound F, Theophylline USP RC F, Aethophyllinum, Theophylline Imp. F (EP), Oxphylline. CAS No. 519-37-9. IUPAC Name: 7-(2-hydroxyethyl)-1,3-dimethylpurine-2,6-dione. Molecular formula: C9H12N4O3. Mole weight: 224.22. Catalog: APS519379. SMILES: CN1C(=O)N(C)c2ncn(CCO)c2C1=O. Format: Neat. |