Title: D-Ribose-5-phosphoric Acid
CAS Registry Number: 4300-28-1
CAS Name: 5-(Dihydrogen phosphate)-D-ribose
Additional Names: D-ribofuranose-5-phosphoric acid; D-ribose-5-phosphate
Molecular Formula: C5H11O8P
Molecular Weight: 230.11
Percent Composition: C 26.10%, H 4.82%, O 55.62%, P 13.46%
Literature References: From inosinic acid: Levene, Jacobs, Ber. 41, 2703 (1908); 44, 746 (1911); Levene, Mori, J. Biol. Chem. 81, 215 (1929); Levene, Stiller, ibid. 104, 299 (1934); LePage, Umbreit, ibid. 148, 255 (1943); Marmur et al., Arch. Biochem. Biophys. 34, 209 (1951). Purification: Groth et al., J. Biol. Chem. 199, 389 (1952). Differentiation between ribose-5-phosphate and ribose-3-phosphate by means of the orcinol-pentose reaction: Albaum, Umbreit, ibid. 167, 369 (1947).
Derivative Type: Barium salt hemihendecahydrate
Molecular Formula: C5H9BaO8P.5½H2O
Molecular Weight: 464.50
Percent Composition: C 12.93%, H 4.34%, Ba 29.56%, O 46.50%, P 6.67%
Properties: Hexagonal plates from water. Sparingly soluble in cold water. Reduces Fehling's soln.
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