Formula: C5H10O5
Formula Weight: 150.13
CAS No.: 10323-20-3
Purity: ≥99.0% (sum of enantiomers, HPLC); ≥99.0%
Biochem/physiol Actions: D-Arabinose is a reducing sugar. It is a pentose analog of D-ribose that is a constituent of mycobacterial cell wall arabinogalactans. It is also a substrate for D-erythroascorbic acid synthesis in yeast.
Anion Traces: chloride (Cl-): ≤50 mg/kg
Assay: ≥99.0% (sum of enantiomers, HPLC)
Cation Traces: Pb: ≤5 mg/kg
Grade: for microbiology
Ign. Residue: ≤0.1% (as SO4)
Loss: ≤0.1% loss on drying, 20 °C (HV)
MP: 162-164°C(lit.)
Optical Activity: [α]20/D −104±2.0°, 24 hr, c = 10% in H2O