Potassium phosphate is a reagent with high buffering capacity. It occurs in several forms: monobasic, dibasic, and tribasic (K3PO4). Most pH neutral potassium phosphate buffer solutions consist of mixtures of the monobasic and dibasic forms to varying degrees, depending on the desired pH. …

Ferrous sulfate heptahydrate is a reagent used in the manufacturing of iron compounds, in electroplating baths, aluminium etching, process engraving and lithography, and in redox polymerisation. It is used as a reducing agent in chemical processes, leather dyes and writing inks. Also, it is a…

Gellan gum is a water-soluble polysaccharide produced by Pseudomonas elodea, a bacterium. Gelrite, gellan gum, is recommended as a gelling agent for use in place of agar in microbiological media. Gellan gum is used in a wide variety of immobilization matricies. As a food additive, gellan gum is…

Sorbose is a ketose belonging to the group of sugars known as monosaccharides. It has a sweetness that is equivalent to sucrose. The commercial production of vitamin C (ascorbic acid) often begins with sorbose. L-Sorbose is used as a starting reagent for the commercial biosynthesis of ascorbic…

Sucrose is a disaccharide composed of glucose and fructose. Sucrose can be used to prepare density gradients for cell/organelle separation. It is used as a supplement in plant, insect, and bacterial culture media. It can also be used in various enzymatic assays.

N-Lauroylsarcosine is an anionic detergent. N-Lauroylsarcosine is used for solubilization and separation of membrane proteins and glycoproteins; reported to inhibit hexokinase. It is useful in concentrated salt solutions used in the cell lysis step during RNA purification (helps avoid excessive…

Imidazole is a chelator for the binding of various divalent cations. Imidazole is a highly polar, planar 5 membered ring. It is amphoteric in nature. Imidazole can be used for the elution of histidine containing proteins from divalent cation resins and can also be used in reverse staining of…

Guanidine Hydrochloride is a strong chaotropic agent useful for the denaturation and subsequent refolding of proteins. This strong denaturant can solubilize insoluble or denatured proteins such as inclusion bodies and be used for the recovery of periplasmic proteins. This can be used as the first…

Sodium metabisulfite is an antioxidant reducing agent, with antimicrobial and antifungal properties. Gastric tissue studies report that sodium metabisulfite can augment lipid peroxidation and apoptosis in a dose-dependent manner. Sodium metabisulfite is used as an active ingredient in campden…

Pepsin, an acid protease, contains a proteolytic enzyme. Pepsin contains the "cathepsin" component which has milk curdling activity. It has a broad range of substrate activity and demonstrates an esterase acitivity. It generally attacks peptide bonds. Pepsin is a peptidase used to…

Potassium Iodide is known as Potassium Salt of Hydriodic Acid [HI], available in white crystalline powder form. It is a mild reducing agent and can be easily oxidized to Iodine by powerful oxidizing agent like chlorine. With elemental iodine it forms I3 (tri iodide), the salts of tri iodide are…

Sodium phosphate is a reagent with very high buffering capacity that is widely used in molecular biology, biochemistry, and chromatography. Sodium phosphate occurs in several forms: monobasic (NaH2PO4), dibasic (Na2HPO4), and tribasic (Na3PO4). Most neutral sodium phosphate buffer solutions consist…

Lecithin is a purified, wax-like phosphatidylcholine of soybean origin. In addition to being the major structural component of cellular membranes, phosphatidylcholine serves as a reservoir for several lipid messengers, it is the source of the bioactive lipids lysophosphatidylcholine, phosphatidic…

D-(+)-Maltose Monohydrate is an α(1→4) linked disaccharide of D-glucose. D-(+)-Maltose Monohydrate is used as a substrate for α-glucosidase. It is also used as a substrate for the identification, differentiation and characterization of enzymes such as maltase(s); maltose…

Sodium phosphate dibasic anhydrous is a sodium salt of phosphoric acid. It is a white powder that is highly hygroscopic and water soluble. Sodium phosphate dibasic has been used for preparing phosphate buffer which in turn is utilized in X-gal staining. Sodium phosphate dibasic is an…

Ammonium persulfate is a strong oxidizing agent. It is a radical initiator. Ammonium persulfate is a polymerization catalyst used with TEMED for polyacrylamide gel formation. APS has also been utilized to study protein-protein interactions via photoinitiated crosslinking chemistry. Other…

Potassium sodium tartrate is a double salt. Potassium sodium tartrate tetrahydrate has been used in organic synthesis to break up emulsions in aqueous workups. The compound is an ingredient of Fehling’s solution and Biuret reagent and is used in detection of aldose and ketose functional…

Tris have been useful as buffers in a wide variety of biological systems. It has been used as a starting material for polymers, oxazolones (with carboxylic acids) and oxazolidines (with aldehydes). It does not precipitate calcium salts and is of value in maintaining solubility of manganese salts.…

Anhydrous, ACS reagent grade, White Crystalline Powder

Ammonium Molybdate Tetrahydrate is an analgesic.

Tris has been useful as buffers in a wide variety of biological systems. Uses include pH control in vitro and in vivo for body fluids and in buffering systems for electrophoresis applications. Tris has been used as a starting material for polymers, oxazolones (with carboxylic acids) and…

Dextran sulfate sodium salt, or DSS, is a synthetic sulfated branched polysaccharide derivative of dextran that has multiple uses in biomedical and clinical research. One important property of DSS is to trigger colitis in mice and rats when administered in drinking water. DSS binds to…

Sodium bicarbonate is a commonly used laboratory chemical. The compound can react with both acids and bases, therefore it can be used as a neutralizer. When reacting with bases the compound forms carbonates. Sodium bicarbonate may be used to remove or wash acidic impurities from a crude liquid to…

Dextran sulfate is a polyanionic derivative of dextran produced by esterification of Dextran with chlorosulphonic acid. The sulfur content is approximately 17% which corresponds to an average of 1.9 sulfate groups per glucosyl residue of the dextran molecule. Dextran sulfate sodium (DSS) is the…

Tris-HCl is an excellent biochemical and biological buffer for all applications where ultra high purity is required. The pH values of all buffers are temperature and concentration dependent. For Tris buffers, pH increases about 0.03 unit per °C decrease in temperature, and decreases 0.03-0.05…

Hemoglobin is the major component of red blood cells, and is responsible for their red color. Native hemoglobin from bovine erythrocytes. A major oxygen-transporting component of red blood cells Its normal concentration in erythrocytes is 34%. Hemoglobin is the most important respiratory protein of…

Fructose, or fruit sugar, is a simple monosaccharide found in many plants. It is one of the three dietary monosaccharides, along with glucose and galactose, that are absorbed directly into the bloodstream during digestion. Fructose is a 6-carbon polyhydroxyketone. It is an isomer of glucose which…

L-Cysteine hydrochloride monohydrate (LCHCMH) is a water soluble salt of the non-essential amino acid, L-cysteine. Widely employed in the medicine industry Thermodynamic features of a solution of LCHCMH in water have been reported NMDA glutamatergic receptor antagonist L-Cysteine…

Ammonium sulfate is an inorganic salt. Ammonium Sulfate may be used for the precipitation or fractionation of proteins or for purification of antibodies. Useful for crystallographic analysis of nucleic acids and proteins. The use of ammonium sulfate in long PCR buffer, in PCR lysis solution, and…

Polyvinylpyrrolidone is a water-soluble polymer made from the monomer N-vinylpyrrolidone. Typically used as thickeners, dispersing agents, detoxicant, complexing agent, lubricants and binders. Polyvinylpyrrolidone is used as an emulsifier and disintegrant for solution polymerization; also for…

Deoxycholic Acid Sodium Salt Monohydrate is an anionic biological detergent for the solubilization of membrane-bound proteins. Anionic detergent; useful for extraction of membrane receptors and other plasma membrane proteins and for nuclei isolation. Deoxycholic acid has been used in a modified…

Sodium bicarbonate is broadly used as a physiological buffer in cell culture applications. The pKa for bicarbonate <-> carbonic acid reaction is 6.4 The pKa for bicarbonate <-> carbonate reaction is 10.3. Sodum bicarbonate has two pKas, 6.4 and 10.3. The compound can react with both…