Overview
Sedoheptulose is a naturally occurring monosaccharide with seven carbon atoms, classified as a ketose sugar. It was first isolated from Sedum spectabile (ice plant), hence its name. This compound serves as a key intermediate in the pentose phosphate pathway and plays roles in carbon fixation in plants through the Calvin cycle. In industrial contexts, sedoheptulose is primarily used as a biochemical reagent and research chemical. Its unique structure makes it valuable for studying carbohydrate metabolism and enzyme mechanisms. Pharmaceutical applications include its use as a chiral building block for drug synthesis.
Physical and Chemical Properties
As a white crystalline solid, sedoheptulose exhibits typical sugar properties including hygroscopicity and optical activity. Its molecular structure features a keto group at the C2 position, making it a reducing sugar capable of participating in Maillard reactions. The sugar demonstrates good water solubility (approximately 500 mg/mL at 20°C) due to multiple hydroxyl groups, while showing limited solubility in organic solvents. In solution, it exists as an equilibrium mixture of linear and cyclic forms, with the β-pyranose form being predominant at room temperature.
Main Applications
In biochemistry research, sedoheptulose serves as a standard for studying the pentose phosphate pathway and nucleotide synthesis. It's particularly useful in investigations of metabolic disorders and enzyme deficiencies affecting these pathways. The pharmaceutical industry utilizes sedoheptulose as a starting material for synthesizing nucleoside analogs and other bioactive compounds. In plant science, it helps researchers understand photosynthetic carbon metabolism and stress responses in crassulacean acid metabolism (CAM) plants.
Safety and Storage
Sedoheptulose presents low acute toxicity (LD50 >2000 mg/kg in rats) but requires standard laboratory handling procedures. Use personal protective equipment including gloves and safety glasses to prevent potential eye or skin irritation from prolonged exposure. Proper storage involves airtight containers with desiccants, maintained at 2-8°C to prevent degradation. The material is stable for at least two years when stored correctly, though solutions should be prepared fresh due to potential microbial growth in aqueous environments.
B2B Procurement Guide
When sourcing sedoheptulose, buyers should verify analytical certificates including HPLC purity reports (typically ≥95%), residual solvent analysis, and microbial limits. Bulk quantities (100g+) often offer better value for industrial users compared to small research quantities. Suppliers should provide detailed technical data sheets and proper shipping documentation. International shipments may require special declarations as a biochemical substance. Consider vendors with GMP-compliant production capabilities for pharmaceutical-grade requirements.
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