A methyl xanthine derivative, Theophylline is used in the treatment of chronic obstructive pulmonary disease (COPD) and asthma .A competitive nonselective phosphodiesterase inhibitor, Theohylline is found naturally in cocoa plant.Reference standards of Theophylline API,and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.
Theophylline
Catalogue No.:PA 20 25000
CAS :
Molecular Formula : C7H8N4O2
Molecular Weight : 180.16
Caffeine
Catalogue No.:PA 20 25010
Molecular Formula : C8H10N4O2
Molecular Weight : 194.19
3-Methyl-3,7-dihydro-1H-purine-2,6-dione
Catalogue No.:PA 20 25020
Molecular Formula : C6H6N4O2
Molecular Weight : 166.14
N-(6-amino-1,3-dimethyl-2,4-dioxo-1,2,3,4-tetrahydropyrimidin-5-yl)formamide
Catalogue No.:PA 20 25030
Molecular Formula : C7H10N4O3
Molecular Weight : 198.18
Theophyllidine Hydrochloride
Catalogue No.:PA 20 25040
Molecular Formula : C6H11ClN4O
Molecular Weight : 190.63
1,3-Dimethyl-7,9-dihydro-1H-purine-2,6,8(3H)-trione
Catalogue No.:PA 20 25050
Molecular Formula : C7H8N4O3
Molecular Weight : 196.16
Etofylline
Catalogue No.:PA 20 25060
Molecular Formula : C9H12N4O3
Molecular Weight : 224.22
1-Methyl Xanthine
Catalogue No.:PA 20 25510
7-Methyl Xanthine
Catalogue No.:PA 20 25520
7-Ethyl Theophylline
Catalogue No.:PA 20 25530
Molecular Formula : C9H12N4O2
Molecular Weight : 208.22
1-Methyluric Acid
Catalogue No.:PA 20 25540
Molecular Formula : C6H6N4O3
Molecular Weight : 182.14
1-Methyluric Acid-d3
Catalogue No.:PA STI 064800
Molecular Formula : C6H3D3N4O3
Molecular Weight : 185.16
Theophylline-1,3-15N2,13C
Catalogue No.:PA STI 082610
Molecular Formula : C613CH8N215N2O2
Molecular Weight : 183.14
Theophylline-d6
Catalogue No.:PA STI 082620
Molecular Formula : C7H2D6N4O2
Molecular Weight : 186.20
Theophylline-13C2d6
Catalogue No.:PA STI 082630
Molecular Formula : C513C2H2D6N4O2
Molecular Weight : 188.19
Catalogue No.:PA IPIPRS 13 14
Molecular Formula :
Molecular Weight : NA
Catalogue No.:PA IPIPRS 155 12
Theophylline (T0800000)
Catalogue No.:PA EPT0800000
Molecular Formula : NA
Theophylline - reference spectrum (Y0000294)
Catalogue No.:PA EPY0000294
8-Bromotheophylline (1077708)
Catalogue No.:PA USP1077708
Catalogue No.:PA USP1653004
Catalogue No.:PA USP1653026
Catalogue No.:PA USP1653037
Catalogue No.:PA USP1653048
Catalogue No.:PA USP1653060
Catalogue No.:PA USP1653117
theophylline (327RB)
Catalogue No.:PA BP327RB
1-Bromoethyl Acetate
Catalogue No.:PA 20 0251000
Molecular Formula : C4H7BrO2
Molecular Weight : 167
2-Bromoethyl Acetate
Catalogue No.:PA 20 0251001
Ethyl (Z)-3-acetoxybut-2-enoate
Catalogue No.:PA 20 0251002
Molecular Formula : C8H12O4
Molecular Weight : 172.18
N-Methyl-5-(methylamino)-1H-imidazole-4-carboxamide hydrochloride monohydrate
Catalogue No.:PA 20 0251003
Molecular Formula : C6H13ClN4O2
Molecular Weight : 208.65
1,3-Dimethyl-2,6-dioxo-2,3,6,7-tetrahydro-1H-purine-8-sulfonic Acid
Catalogue No.:PA 20 0251004
Molecular Formula : C7H8N4O5S
Molecular Weight : 260.22
1,3-Dimethyl-9-nitroso-3,9-dihydro-1H-purine-2,6-dione
Catalogue No.:PA 20 0251005
Molecular Formula : C7H7N5O3
Molecular Weight : 209.17
N-(6-Amino-1,3-dimethyl-2,4-dioxo-1,2,3,4-tetrahydropyrimidin-5-yl)-N-nitrosoformamide
Catalogue No.:PA 20 0251006
Molecular Formula : C7H9N5O4
Molecular Weight : 227.18
1,3-Dimethyl-7-nitroso-3,7-dihydro-1H-purine-2,6-dione
Catalogue No.:PA 20 0251007
8-Methylxanthine
Catalogue No.:PA 20 0251008
Theophylline (IPRST044)
Catalogue No.:PA IPRST044
N-Methyl-5-(methyl(nitroso)amino)-1H-imidazole-4-carboxamide
Catalogue No.:PA 20 0251009
Molecular Formula : C6H9N5O2
Molecular Weight : 183.17
Theophyllidine
Catalogue No.:PA 20 0250040
Molecular Formula : C6H10N4O
Molecular Weight : 154.17
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