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Trolox (6-hydroxy-2,5,7,8-tetramethylchroman-2-carboxylic acid) is a water-soluble analog of vitamin E sold by Hoffman-LaRoche.It is an antioxidant like vitamin E and it is used in biological or biochemical applications to reduce oxidative stress or damage.
Thermo Fisher Scientific's previous headquarters in Waltham, Massachusetts Thermo Fisher Scientific office in Canada. Thermo Fisher Scientific Inc. is an American life, science and clinical research company.
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In philately, the Higgins & Gage World Postal Stationery Catalog is the most recent encyclopedic catalogue of postal stationery covering the whole world. Despite most volumes not having been updated for over thirty years, the catalogue and the H & G numbering system are still widely used by philatelists and stamp dealers although the values given in the catalogue are out of date.
2-Methyl-2,4-pentanediol (MPD) is an organic compound with the formula (CH 3) 2 C(OH)CH 2 CH(OH)CH 3.This colourless liquid is a chiral diol.It is produced industrially from diacetone alcohol by hydrogenation. [4]
Pinacyanol is a cyanine dye.It is an organic cation, typically isolated as the chloride or iodide salts.The blue dye is prepared from 2-methylquinoline by quaternization with ethyl chloride or ethyl iodide.
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Help keep this category in order, modify [[Category:Henry Draper Catalogue objects]] to [[Category:Henry Draper Catalogue objects|#####]], dropping the HD or HDE or HDEC prefix, using only the number, on pages that categorize here. To ensure proper sorting, pad the number with leading zeros up to six digits.