Oligosaccharides
Sigma Aldrich Fine Chemicals Biosciences Lipopolysaccharides from E25MG
This product is extracted from E. coli serotype O127B8 and purified by ion exchange. The source strain is ATCC 12740. This LPS serotype has been used in the study of septic shock and to induce NOS in murine macrophages and PAf synthesis in rat glomerular masangial cells.
Medchemexpress LLC Locust bean gum | 9000-40-2 | MFCD00131257 | >75.0% | Approx. 310,000 g/mol | No single molecular formula - high-molecular-weight galactomannan polymer | 100 MG
Locust bean gum is a high-molecular-weight galactomannan polysaccharide extracted from carob (Ceratonia siliqua) seeds and supplied for research use. It serves as a thickening, stabilizing, and gelling agent with strong water retention and high viscosity, commonly used in formulation studies, biochemical assays, and food technology research.
- Natural galactomannan polysaccharide from carob seeds.
- High viscosity (≈5000-6500 mPa·s) for robust thickening.
- Polysaccharide purity >75%.
- Forms stable gels at low temperatures.
- Good water retention and suspension stabilization.
- Storage: room temperature, protect from light; solutions: -20°C to -80°C for extended storage.
- For research use only; not for patient or human therapeutic use.
Medchemexpress LLC Guar gum | 9000-30-0 | MFCD00131250 | 98.0% | Not determined - polymer; no single molecular weight | Not applicable - polysaccharide polymer (no single chemical formula) | 100 G
Guar gum is a plant-derived galactomannan polysaccharide provided as a white to off-white powder for use as a pharmaceutical excipient in formulation and drug delivery research. It offers thickening, binding, gelling, emulsifying, and suspending functionality with good film-forming ability and biodegradability.
- Appearance: white to off-white powder.
- Purity: 98.0%.
- CAS number: 9000-30-0.
- Function: thickener, binder, gelling, emulsifying, and suspending agent.
- Solubility: rapid solubility in cold water; wide pH stability.
- Physical property: film-forming and biodegradable.
- Storage guidance: powder storage at -20°C or 4°C with extended shelf life when frozen.
Medchemexpress LLC Guar gum | 9000-30-0 | MFCD00131250 | 98.0% | 50,000-8,000,000 g/mol | (C6H10O5)n | 1 KG
Guar gum is a high-molecular-weight galactomannan polysaccharide used as a multifunctional pharmaceutical excipient and formulation additive. Supplied as a powdered material (CAS 9000-30-0) with a stated purity of 98.0%, it is employed to modify viscosity, stabilize dispersions, and improve tablet cohesion in drug-delivery and related applications.
- Acts as a thickener and viscosity modifier in aqueous formulations.
- Functions as an emulsifier and stabilizer for suspensions and emulsions.
- Provides binding and film-forming properties for solid dosage forms.
- Hydrates rapidly and dissolves in cold water for easy processing.
- Biodegradable and broadly stable across common pH ranges.
Medchemexpress LLC Guar gum | 9000-30-0 | MFCD00131250 | 98.0% | 50,000-8,000,000 Da | (C6H10O5)n·H2O | 250 G
Guar gum is a natural galactomannan polysaccharide used as a pharmaceutical excipient and functional polymer. It delivers thickening, emulsifying, binding, and gelling functionality, dissolves readily in cold water, shows wide pH stability, and is biodegradable - making it suitable for use in drug formulations and other industrial applications.
- Provides thickening, emulsifying, binding, and gelling properties.
- Quickly soluble in cold water.
- Wide pH stability across formulation conditions.
- Biodegradable and film-forming.
- Suitable as an excipient for thickening and suspending in formulations.
- Offered in multiple pack sizes for laboratory and production use.
Medchemexpress LLC Lipopolysaccharides from Escherichia coli O127:B8 | 10 MG
Lipopolysaccharides from E. coli O127:B8 are endotoxins extracted from Escherichia coli (O127:B8) that activate Toll-like receptor 4 (TLR-4). They are used to induce inflammatory responses in vitro and in vivo and to construct intestinal inflammation models.
- Solid, white to off-white appearance for easy visual identification.
- Soluble in water at ~1 mg/mL with gentle warming and sonication.
- Heterogeneous molecular weight (typically 10-100 kDa or higher), reflecting natural variability.
- Storage: solid at 4°C sealed; in solvent -80°C up to 6 months, -20°C up to 1 month.
- Available in multiple pack sizes, including 10 mg.
- Documentation available: data sheet, COA, SDS, and handling instructions.
Sigma Aldrich Fine Chemicals Biosciences Lipopolysaccharides from E25MG
This product is extracted from E. coli serotype O55B5 and purified by ion exchange. The source strain is CDC 1644-70. The LPS O55B5 has been used to stimulate human peritoneal macrophages at 1 ng/mL and to stimulate equine peritoneal macrophages at 1-100 ng/mL.
eMolecules beta-Cyclodextrin hydrate | 68168-23-0 | | 1g
Oakwood Chemicals | beta-Cyclodextrin hydrate | 1g | 480164996 | 245731 | | 68168-23-0 | | 1153.002 | C42H72O36
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Sigma Aldrich Fine Chemicals Biosciences Lipopolysaccharides from E25MG
This product is extracted from E. coli serotype O111B4 and purified by gel filtration. The source strain is from a private collection. This LPS serotype has been used to stimulate B-cells and induce NOS in human hepatocytes.
Medchemexpress LLC Locust bean gum from Ceratonia siliqua seeds | 9000-40-2 | MFCD00131257 | >75.0% | 856.8 g/mol | Not applicable | 500 MG
Locust bean gum is a natural galactomannan polysaccharide extracted from Ceratonia siliqua (carob) seeds. It is supplied as a powdered reagent used as a thickening, stabilizing, and gelling agent in food formulation, research, and laboratory applications (CAS 9000-40-2).
- Thickens and stabilizes formulations.
- Forms gels and improves texture in low-temperature systems.
- High water retention for moisture control.
- Compatible with other hydrocolloids such as xanthan and guar.
- Typical polysaccharide content greater than 75%.
Sigma Aldrich Fine Chemicals Biosciences Lipopolysaccharides E500MG
This product is TCA extracted from E. coli serotype O111B4. The source strain is from a private collection. This LPS serotype has been used to stimulate B-cells and induce NOS in human hepatocytes.
Medchemexpress LLC Lipopolysaccharides, from P. aeruginosa 10 | 10 MG
Lipopolysaccharides from Pseudomonas aeruginosa 10 are endotoxin preparations used to activate Toll-like receptor 4 (TLR4) in in vitro immune assays and endotoxin challenge studies. The material is supplied as a white to off-white solid with high endotoxin potency and low protein contamination, suitable as a positive control for immune stimulation.
- Source: Pseudomonas aeruginosa strain 10.
- High endotoxin potency (600,000 EU/mg) for consistent immune activation.
- Low protein contamination (0.82% protein content by COA).
- White to off-white solid form for easy handling and storage.
- Storage recommendations: 4°C sealed; in solvent store -80°C up to 6 months, -20°C up to 1 month.
Medchemexpress LLC Fructo-oligosaccharide DP9/GF8 | 143625-74-5 | 5 MG
Fructo-oligosaccharide DP9/GF8 is a fructooligosaccharide (FOS) characterized by a degree of polymerization (DP) of 9. These FOS molecules consist of 8 fructose units connected by (2→1)-β-glycosidic bonds and feature a single D-glucosyl unit at the non-reducing end. This product is designed strictly for research purposes.
- Purity: 99.49%
- Appearance: Solid
- Color: White to off-white
- Structure classification: Saccharides, polysaccharides
- Initial source: Plants, Gramineae, Saccharum officinarum
Sigma Aldrich Fine Chemicals Biosciences Digitoxin >=92% (HPLC), powder | 71-63-6 | MFCD00003686 | 500MG
Digitoxin >=92% (HPLC), powder | Purity: >=92% (HPLC) | Mol Wt: 764.94 | 71-63-6 | MFCD00003686 | 500MG