N-acetylneuraminic acid dihydrate
CAS: 50795-27-2
Category: Carbohydrates
| Purity | Research/biochemical grade typically ≥95–98% purity (HPLC or related assay), with controlled water c |
| Molecular Formula | C11H19NO9·2H2O |
| Molecular Weight | 345.3 |
| Appearance | White to off-white crystalline powder |
| Packaging | Typical research packaging: 1 g–100 g plastic or glass bottles; larger quantities in sealed bottles or containers for biochemical and carbohydrate research |
| Testing Indicators | Appearance — visual inspection (color and crystal form); Purity/assay — HPLC; Identification — ¹H/¹³C NMR and FTIR (and MS where applicable); Water content — Karl Fischer titration; Specific rotation — polarimetry; Residual solvents — GC analysis as required. |
| Storage Notes | Store in a tightly closed container in a cool, dry place (typically 2–8 °C), protected from moisture and direct light. Intended for research use only; keep away from strong oxidizing agents and incompatible chemicals. |
| Lead Time | 10 days |
Carbohydrate (sialic acid) building block used in glycobiology and carbohydrate chemistry. Applied for the preparation of sialylated oligosaccharides, glycoproteins, and glycolipids, and as a reference/research reagent in biochemical and enzymatic studies involving N-acetylneuraminic acid (Neu5Ac).