Adenine /ˈædnn/ (A, Ade) is a nucleobase (a purine derivative) wi a variety of roles in biochemistry includin cellular respiration, in the form of baith the energy-rich adenosine triphosphate (ATP) an the cofactors nicotinamide adenine dinucleotide (NAD) an flavin adenine dinucleotide (FAD), an protein synthesis, as a chemical component o DNA an RNA.[2]

Adenine
Adenine.svg
Adenine-3D-balls.png
Adenine-3D-vdW.png
Names
IUPAC name
9H-purin-6-amine
Ither names
6-aminopurine
Identifiers
3D model (JSmol)
ChEBI
ChEMBL
ChemSpider
DrugBank
ECHA InfoCard 100.000.724
EC Nummer 200-796-1
KEGG
RTECS nummer AU6125000
UNII
Properties
C5H5N5
Molar mass 135.13 g/mol
Appearance white to light yellow, crystalline
Density 1.6 g/cm3 (calculated)
Meltin pynt 360 °C (680 °F; 633 K) decomposes
0.103 g/100 mL
Solubility negligible in ethanol
Acidity (pKa) 4.15 (secondary), 9.80 (primary)[1]
Thermochemistry
Speceefic heat capacity, C 147.0 J/K·mol
Std enthalpy o
formation
ΔfHo298
96.9 kJ/mol
Hazards
Lethal dose or concentration (LD, LC):
227 mg/kg (rat, oral)
Except whaur itherwise notit, data are gien for materials in thair staundart state (at 25 °C [77 °F], 100 kPa).
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Infobox references

ReferencesEedit

  1. Dawson, R.M.C., et al., Data for Biochemical Research, Oxford, Clarendon Press, 1959.
  2. Definition of Adenine from the Genetics Home Reference - National Institutes of Health