Caffeine is a central nervous system stimulant of the methylxanthine class. It is used to restore mental alertness or wakefulness during fatigue or drowsiness.. Reference standards of Caffeine API, and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below
Caffeine
Catalogue No.:PA 03 04000
CAS :
Molecular Formula : C8H10N4O2
Molecular Weight : 194.19
Theophylline
Catalogue No.:PA 03 04010
Molecular Formula : C7H8N4O2
Molecular Weight : 180.16
N-(6-Amino-1,3-dimethyl-2,4-dioxo-1,2,3,4-tetrahydropyrimidin-5-yl)formamide
Catalogue No.:PA 03 04020
Molecular Formula : C7H10N4O3
Molecular Weight : 198.18
Isocaffeine
Catalogue No.:PA 03 04030
Theobromine
Catalogue No.:PA 03 04040
Caffeidine
Catalogue No.:PA 03 04050
Molecular Formula : C7H12N4O
Molecular Weight : 168.20
Caffeidine Nitrate
Catalogue No.:PA 03 04051
Molecular Formula : C7H13N5O4
Molecular Weight : 231.21
Paraxanthine
Catalogue No.:PA 03 04060
Molecular Weight : 180.17
Sodium 4-[N-Methyl-N-(N-Methylaminocarbonyl)amino]-1-methylimidazole-5-Carboxylate
Catalogue No.:PA 03 04510
Molecular Formula : C8H11N4NaO3
Molecular Weight : 234.19
N-(6-Amino-1,2,3,4-tetrahydro-1,3-dimethyl-2,4-dioxo-5-pyrimidinyl)-N-methylformamide
Catalogue No.:PA 03 04520
Molecular Formula : C8H12N4O3
Molecular Weight : 212.21
7-Methyl-3-methyluric Acid-d3
Catalogue No.:PA STI 064490
Molecular Formula : C7H5D3N4O3
Molecular Weight : 199.18
3-Methyluric Acid-d3
Catalogue No.:PA STI 064820
Molecular Formula : C6H3D3N4O3
Molecular Weight : 185.16
4-Amino-5-[(ethoxycarbonyl)amino]-1-methyl-d3 Uracil
Catalogue No.:PA STI 006110
Molecular Formula : C8H9D3N4O4
Molecular Weight : 231.22
Caffeine-d9
Catalogue No.:PA STI 016930
Molecular Formula : C8HD9N4O2
Molecular Weight : 203.25
Caffeidine-d9
Catalogue No.:PA STI 016940
Molecular Formula : C7H3D9N4O
Molecular Weight : 177.25
1,7-Dimethyluric Acid-d3
Catalogue No.:PA STI 035190
Isocaffeine-d3
Catalogue No.:PA STI 053750
Molecular Formula : C8H7D3N4O2
Molecular Weight : 197.21
Paraxanthine-1-methyl-d3
Catalogue No.:PA STI 071470
Molecular Formula : C7H5D3N4O2
Molecular Weight : 183.18
Paraxanthine-d3
Catalogue No.:PA STI 071480
1,3,7-Trimethyluric Acid-d3
Catalogue No.:PA STI 085520
Molecular Formula : C8H7D3N4O3
Molecular Weight : 213.21
Caffeine (1085003)
Catalogue No.:PA USP1085003
Molecular Formula : NA
Molecular Weight : NA
Caffeine Melting Point Standard (Approximately 236 degrees) (1086006)
Catalogue No.:PA USP1086006
Catalogue No.:PA ICRS0235
Molecular Formula :
caffeine (766RB)
Catalogue No.:PA BP766RB
Caffeine (C0100000)
Catalogue No.:PA EPC0100000
Caffeine for system suitability (Y0000787)
Catalogue No.:PA EPY0000787
Catalogue No.:PA ICRS0234
Melting Point Standard-Caffeine MPf 237.5 degrees (JP 0142)
Catalogue No.:PA JP0142
Caffeine (JP 0025)
Catalogue No.:PA JP0025
Catalogue No.:PA IPIPRS 122 14
6-Amino-5-(N-formyl-N-methyl)-3-methyluracil
Catalogue No.:PA 03 04530
Caffeidine Hydrochloride
Catalogue No.:PA 03 04052
Molecular Formula : C7H13ClN4O
Molecular Weight : 204.66
1,9-Dimethyluric Acid
Catalogue No.:PA 03 0041000
Molecular Formula : C7H8N4O3
Molecular Weight : 196.17
7-Methyl-3-methyluric Acid
Catalogue No.:PA 03 0041001
8-Bromo-1,3,7-trimethylxanthine
Catalogue No.:PA 03 0041002
Molecular Formula : C8H9BrN4O2
Molecular Weight : 273.09
Caffeidine Acid
Catalogue No.:PA 03 0041003
Caffeine-d3 (1-methyl-d3)
Catalogue No.:PA STI 088839
5-Acetylamino-6-amino-3-methyluracil Hydrate
Catalogue No.:PA 03 0041004
Molecular Formula : C7H10N4O4
Molecular Weight : 214.18
2-Amino-9-((2R,3R,4S,5R)-3,4-dihydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl)-1,7-dimethyl-6-oxo-6,9-dihydro-1H-purin-7-ium Methyl Sulfate
Catalogue No.:PAI 03 004003
Molecular Formula : C13H21N5O9S
Molecular Weight : 423.4
2-Amino-1,7-dimethyl-1,7-dihydro-6H-purin-6-one
Catalogue No.:PAI 03 004002
Molecular Formula : C7H9N5O
Molecular Weight : 179.18
N1-Methylguanosine
Catalogue No.:PAI 03 004001
Molecular Formula : C11H15N5O5
Molecular Weight : 297.27
5-Acetylamino-6-amino-3-methyluracil
Catalogue No.:PA 03 0041005
Caffeine (IPRSC050)
Catalogue No.:PA IPRSC050
Caffeine-13C3
Catalogue No.:PA STI 089518
Molecular Formula : C513C3H10N4O2
Molecular Weight : 197.17
N,1-Dimethyl-4-(methyl(nitroso)amino)-1H-imidazole-5-carboxamide
Catalogue No.:PA 03 0041006
Molecular Formula : C7H11N5O2
Molecular Weight : 197.2
N,1-Dimethyl-4-(methyl(nitroso)amino)-N-nitroso-1H-imidazole-5-carboxamide
Catalogue No.:PA 03 0041007
Molecular Formula : C7H10N6O3
Molecular Weight : 226.2
6-Amino-1,3-dimethylpyrimidine-2,4(1H,3H)-dione
Catalogue No.:PA 03 0041008
Molecular Formula : C6H9N3O2
Molecular Weight : 155.16
Caffeine (WSM)
Catalogue No.:PA WSM 00403004
1,7-Dimethylxanthine
Catalogue No.:PA BSC 00403718
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