Caffeine
From Wikipedia, the free encyclopedia
Caffeine (/kæˈfiːn, ˈkæfiːn, ˈkæfiːɪn/) is a bitter, white crystalline xanthine alkaloid an a stimulant drug.
Quick Facts Clinical data, AHFS/Drugs.com ...
Clinical data | |
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AHFS/Drugs.com | monograph |
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Dependence liability | Low–moderate[1] No addiction liability[1] |
Routes o admeenistration | oral, insufflation, enema, rectal, intravenous |
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Pharmacokinetic data | |
Bioavailability | 99% |
Protein bindin | 25–36%[2] |
Metabolism | Primarily CYP1A2;[2] Other enzymes: CYP2E1, CYP2C8, CYP2C9, CYP3A4[2] |
Biological hauf-life | Adults: 3–7 hours[2] Neonates: 65–130 hours[2] |
Excretion | urine (100%) |
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IUPAC name
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Synonyms | Methyltheobromine |
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PDB ligand | |
ECHA InfoCard | 100.000.329 |
Chemical and physical data | |
Formula | C8H10N4O2 |
Molar mass | 194.19 g/mol |
3D model (Jmol) | |
Density | 1.23 g/cm3 |
Meltin pynt | 235 tae 238 °C (455 tae 460 °F) (anhydrous) |
Bylin pynt | 178 °C (352 °F) (sublimes) |
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