Phenols
Medchemexpress LLC Polydextrose | 68424-04-4 | MFCD30176547 | 95.3% | No single molecular weight (polymeric; variable) | (C6H10O5)n | 500 G
Polydextrose is a water-soluble, randomly bonded glucose polymer used as a prebiotic research reagent. It supports growth of beneficial probiotic strains and has been studied for effects on cholesterol and glycemic control, making it useful for investigations in metabolic and gastrointestinal research settings.
- Water-soluble polymeric prebiotic suitable for research use.
- Promotes growth of probiotic strains such as Pediococcus pentosaceus.
- Studied for cholesterol-lowering and blood sugar-modulating effects.
- Supplied as a powder for easy handling and formulation.
- Typical listed purity approximately 95.3% (batch dependent).
Medchemexpress LLC Cholestyramine resin | 11041-12-6 | MFCD00130784 | 13.0-17.0% | Not applicable (polymeric, no defined molecular weight) | C27H47N | 25 G
Cholestyramine is a polymeric bile acid-binding anion-exchange resin supplied as a dry powder for laboratory research. It binds intestinal bile acids, reducing their reabsorption and thereby increasing bile acid synthesis from cholesterol. The material is an insoluble styrene/divinylbenzene-based resin with quaternary ammonium functional groups and variable molecular weight.
- Binds intestinal bile acids effectively.
- Reduces bile acid reabsorption and increases bile acid synthesis from cholesterol.
- Insoluble polymeric resin suitable for preparation of aqueous suspensions.
- Anion-exchange resin containing quaternary ammonium functional groups.
- Supplied as a dry powder for laboratory and research use.
- Used in studies of cholesterol and bile acid metabolism.
Medchemexpress LLC Maltodextrin | 9050-36-6 | MFCD00146679 | Variable (no fixed molecular weight; polymeric - represented as (C6H10O5)n·xH2O) | (C6H10O5)n·xH2O | 100 G
Maltodextrin, dextrose equivalent 16.5-19.5 is a water-soluble polysaccharide used as an excipient and formulation aid in research applications. It provides intermediate hydrolysis (DE 16.5-19.5) and is supplied as a white to off-white powder for laboratory use.
- Water-soluble excipient for stabilization and encapsulation.
- Intermediate dextrose equivalent for balanced solubility and viscosity.
- Forms nanoparticles with narrow size distribution for delivery studies.
- Non-toxic at tested concentrations in cell assays.
- Available in common laboratory pack sizes for research use.
Medchemexpress LLC Shellac (wax-free) | 9000-59-3 | MFCD03101446 | Mixture - no single molecular weight | Mixture - no single chemical formula | 100 G
Shellac (wax-free) is a natural, biodegradable resin obtained from the secretions of the lac insect (Kerria lacca). Supplied as a wax-free resin, it functions as a film former, binder, and encapsulating agent for coatings, pharmaceutical and food supplement formulations, and cosmetic applications. Composition is variable and referenced under CAS 9000-59-3.
- Biodegradable natural resin suitable for environmentally sensitive applications.
- Wax-free formulation for cleaner processing and consistent performance.
- Functions as a film former and wood coating.
- Provides binding and encapsulation for pharmaceuticals and supplements.
- Compatible with cosmetic formulations as a binder or coating.
- Available in laboratory package sizes for formulation and testing.
Medchemexpress LLC Polyethylene glycol 8000 | 25322-68-3 | MFCD00081839 | 99.9% | Average molecular weight ≈8,000 g/mol | H(OCH2CH2)nOH | 100g
PEG8000 can be used for phage precipitation isolation of plasmid DNA and promotion of flat end-junction reactions[1]
Medchemexpress LLC Poly(oxy-1,2-ethanediyl), α-hydro-ω-hydroxy- | 25322-68-3 | MFCD00081839 | 99.5% | 1,400-1,600 g/mol (average molecular mass) | H(OCH2CH2)nOH | 100g
PEG1500 can be used as an excipient such as ointment base lubricant Pharmaceutical excipients or pharmaceutical auxiliaries refer to other chemical substances used in the pharmaceutical process other than pharmaceutical ingredients Pharmaceutical excipients generally refer to inactive ingredients in pharmaceutical preparations which can improve the stability solubility and processability of pharmaceutical preparations Pharmaceutical excipients also affect the absorption distribution metabolism and elimination (ADME) processes of co-administered drugs[1][2]
Medchemexpress LLC Arabinogalactan, from larch wood | 9036-66-2 | MFCD00062638 | 99.6% | Not specified - polymeric/variable (manufacturer does not list molecular weight) | Not specified by manufacturer - polymeric; representative formula C20H36O14 (repeating unit approx. (C5H8O4)n) | 25 G
Arabinogalactan from larch wood is a naturally derived polysaccharide supplied as an off-white to light yellow powder for glycobiology and biochemical research. It is water-soluble and commonly used as a carbohydrate reagent, stabilizer, or formulation component in in vitro assays; for research use only.
- Natural polysaccharide extracted from larch wood.
- Approx. 80% polyarabinogalactan composition.
- Off-white to light yellow powder form, solid.
- Water soluble; ~10 mg/mL (may require ultrasonic treatment).
- High assay/purity (about 99.6%).
- Stable when stored frozen; powder stable at -20°C for up to 3 years.
- Intended for research use only.
Sigma Aldrich Nonylphenol
MilliporeSigma Sigma Organics products encompass a wide range of quality reagents, solvents, catalysts, and building blocks for organic synthesis. From benchtop discovery to process development and scale-up, Sigma Organics solutions are built to meet the needs of synthetic chemists.
Sigma Aldrich 2-Formylbenzenesulfonic acid sodium salt hydrate
MilliporeSigma Sigma Organics products encompass a wide range of quality reagents, solvents, catalysts, and building blocks for organic synthesis. From benchtop discovery to process development and scale-up, Sigma Organics solutions are built to meet the needs of synthetic chemists.
Sigma Aldrich 4-Bromo-2,6-xylenol
MilliporeSigma Sigma Organics products encompass a wide range of quality reagents, solvents, catalysts, and building blocks for organic synthesis. From benchtop discovery to process development and scale-up, Sigma Organics solutions are built to meet the needs of synthetic chemists.
Sigma Aldrich 2,2,4,4,6,8,8-Heptamethylnonane
MilliporeSigma Sigma Organics products encompass a wide range of quality reagents, solvents, catalysts, and building blocks for organic synthesis. From benchtop discovery to process development and scale-up, Sigma Organics solutions are built to meet the needs of synthetic chemists.
Sigma Aldrich Tripentaerythritol
MilliporeSigma Sigma Organics products encompass a wide range of quality reagents, solvents, catalysts, and building blocks for organic synthesis. From benchtop discovery to process development and scale-up, Sigma Organics solutions are built to meet the needs of synthetic chemists.
Sigma Aldrich 2,3,4,5-Tetrafluorobenzoyl chloride
MilliporeSigma Sigma Organics products encompass a wide range of quality reagents, solvents, catalysts, and building blocks for organic synthesis. From benchtop discovery to process development and scale-up, Sigma Organics solutions are built to meet the needs of synthetic chemists.
Sigma Aldrich 2-(3,4-Dimethoxyphenyl)ethanol
MilliporeSigma Sigma Organics products encompass a wide range of quality reagents, solvents, catalysts, and building blocks for organic synthesis. From benchtop discovery to process development and scale-up, Sigma Organics solutions are built to meet the needs of synthetic chemists.