Toxicity: Organic Compound; Amide; Drug; Food Toxin; Central Nervous System Stimulant; Anorexigenic Agent; Appetite Depressant; Phosphodiesterase Inhibitor; Metabolite; Household Toxin; Natural Compound; Purinergic P1 Receptor Antagonist Toxin, Toxin-Target Database T3D2712 Program type: Complex; Column ... (show more) class: Semi-standard non-polar; Column diameter: 0.20 mm; Column length: 30 m; Column type: Capillary; Description: 50 0C (1 min) Retention Index (Kovats): 1795 (estimated with error: 83) NIST Spectra mainlib_290714, replib_378377, replib_228814, replib_250547, replib_312821, replib_335205 Program type: Ramp; Column cl ... (show more) ass: Standard non-polar; Column diameter: 0.28 mm; Column length: 70 m; Column type: Capillary; Heat rate: 2 K/min; Start T: 80 C; End T: 200 C; CAS no: 58082; Active phase: OV-101; Carrier gas: N2; Data type: Kovats RI; Authors: Yamaguchi, K.; Shibamoto, T., Volatile constituents of green tea, Gyokuro (Camellia sinensis L. var Yabukita), J. Agric. Food Chem., 29, 1981, 366-370.) NIST Spectra nist ri Appearance: odourless white powder or crystals OU Chemical Safety Data (No longer updated) More details

Caffeine - Zhorn Software Caffeine - Zhorn Software

S-adenosyl-L-methionine + paraxanthine -> caffeine + S-adenosyl-L-homocysteine + H+ PlantCyc 1-3-7-TRIMETHYLXANTHINE

Non-selective and competitive adenosine receptor antagonist (K_i values are 27-30 and 50 µM at A₂ and A₁ receptors respectively). Improves attention and memory. Also inhibits phosphodiesterase. Shows potential protective actions against dementia and age-related memory decline and anti-cancer actions. Hello Bio Soluble to 10 mM in water with sonication, to 100 mM in 1eq. NaOH, and to 50 mM in DMSO Tocris Bioscience 2793 Chemical Class: A trimethylxanthine in which the three methyl groups are located at positions 1, 3, and 7. A purine alkaloid that occurs naturally in tea and coffee. ChEBI CHEBI:27732 caffeine + a demethylated methyl donor -> theophylline + a methylated methyl donor PlantCyc 1-3-7-TRIMETHYLXANTHINE

caffeine should I drink? | BBC Good Food How much caffeine should I drink? | BBC Good Food

S-adenosyl-L-methionine + theobromine -> caffeine + S-adenosyl-L-homocysteine + H+ PlantCyc 1-3-7-TRIMETHYLXANTHINE ORL-RAT LD50 192 mg kg-1, IPR-RAT LD50 260 mg kg-1, IVN-RAT LD50 105 mg kg-1, SCU-RAT LD50 170 mg kg-1 OU Chemical Safety Data (No longer updated) More details

Central nervous system stimulant. Antagonist at A1 and A2A adenosine receptors and inhibitor of cyclic nucleotide phosphodiesterases. Mobilizes calcium from intracellular stores and inhibits benzodiazepine binding to GABA receptors. Tocris Bioscience 2793 Stability: Stable. Incompatible with strong acids, strong bases, strongoxidizing agents, iodine, silver salts, tannins. Weakly light sensitive in solution. OU Chemical Safety Data (No longer updated) More details Central nervous system stimulant. Antagonist at A1 and A2A adenosine receptors and inhibitor of cyclic nucleotide phosphodiesterases. Mobilizes calcium from intracellular stores and inhibits benzodiaz