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Benzenesulfonic Acid

Benzenesulfonic acid is an organic compound. It is the simplest aromatic sulfonic acid. The alkali metal salt of benzenesulfonic acid is used in the production of phenol and resorcinol. Benzenesulfonic acid is also used as an acidic catalyst in esterification and dehydration reactions. A variety of pharmaceutical drugs are prepared as salts of benzenesulfonic acid and are known as besylates or besilates.

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Beta-2-Microglobulin is a component of MHC class I molecules, which are present on all nucleated cells (excludes red blood cells). It associates not only with the alpha chain of MHC class I molecules, but also with class I-like molecules such as CD1 and Qa. Beta-2-Microglobulin is expressed by the nucleated cells of the body and on many tumor lines.Human Beta-2-Microglobulin is a low molecular weight protein (MW 11600) consisting of a single polypeptide chain of 99 amino acids.It is identical to the small chain of the HLA-A, -B, and -C major histocompatibility complex antigens.In structure and amino acid sequence. Beta-2-Microglobulin resembles the CH3 region of IgG, though it is antigenically distinct. is eliminated via the kidneys. After filtration through the glomeruli. Beta-2-Microglobulin is reabsorbed and catabolized by the proximal tubular cells through endocytosis.It is found at low levels in the serum and urine of normal individuals.

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Bismuth Subcarbonate

Bismuth Subcarbonate is a chemical compound of bismuth containing both oxide and carbonate anions.iT occurs naturally as the mineral bismutite.It is light sensitive.It is used as a filler in radiopaque catheters,fireworks.

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Chrysoine Resorcinol

Chrysoine resorcinol is a synthetic azo dye which was formerly used as a food additive. In Europe, it was banned as a food additive in 1984. In the US, it was banned in 1988. It can be used as a pH indicator with a color change between pH 11 and pH 12.7.

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Cyanuric acid-13C3

Name Cyanuric acid-13C3
Cat# CPWBA260
Unlabeled CAS# NA
Labeled CAS# 201996-37-4
Molecular Weight NA
Chemical Purity NA

Fehling's Solution A

Fehling's Solution A is a lab reagent.

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Hexamethyldisilazane is an organosilicon compound. The molecule is a derivative of ammonia with trimethylsilyl groups in place of two hydrogen atoms. This colorless liquid is a reagent and a precursor to bases that are popular in organic synthesis and organometallic chemistry. In photolithography, hexamethyldisilazane is often used in as an adhesion promoter for photoresist. In electron microscopy, it can be used as an alternative to critical point drying during sample preparation. In pyrolysis-gas chromatography-mass spectrometry, hexamethyldisilazane is added to the analyte to create sylilated diagnostic products during pyrolysis, in order to enhance detectability of compounds with polar functional groups.

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Hexamethyldisiloxane is a chemical compound with the formula O[Si(CH3)3]2. This volatile liquid is used as a solvent and as a reagent. HMDS is used as an internal standard for calibrating chemical shift in1H NMR spectroscopy. It is more easily handled since it is less volatile than the usual standard tetramethylsilane but still displays only a singlet near 0 ppm.

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