D-Ribose
Minimum Order: 0
Quality/Safety Certification: 0.00
D-ribose is used in the synthesis of VB2 and nucleoside, mostly used in health food or as food additives.
D-ribose details as follows,
Item | Specification |
Appearance | white or slightly yellow crystals or crystaline powder, reducing sugar |
State of solution | ≥95% |
Melting point | 164-168°C |
Specific optical rotation | -18.0° to -22.0° |
Residue on ignition | ≤0.2% |
Loss on drying | ≤3.0% (in vaccum, 60C, 3 hours) |
Heavy metals | ≤10 ppm |
Arsenic | ≤0.1mg/kg |
Lead (Pb) | ≤0.1mg/kg |
Total plate count | NMT100cfu/g |
Pathogenic bacteria | Negative |
Assay | 97.0-102% (dry basis) |
