{"id":723,"date":"2022-10-04T16:31:40","date_gmt":"2022-10-04T16:31:40","guid":{"rendered":"https:\/\/flmodafinil.pl\/sklep\/cdp-choline-%e2%89%a5-99-1000mg\/"},"modified":"2026-08-13T18:24:00","modified_gmt":"2022-10-29T20:23:49","slug":"cdp-choline-%e2%89%a5-99-1000mg","status":"publish","type":"product","link":"https:\/\/flmodafinil.pl\/en\/sklep\/cdp-choline-%e2%89%a5-99-1000mg\/","title":{"rendered":"CDP-choline 1000 mg \u2014 laboratory notes on a nucleotide-choline conjugate"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">These notes describe the 1000 mg unit of CDP-choline as a laboratory material: what identifies it, how its structure constrains handling, and which entries the accompanying document has to carry. Zobacz r\u00f3wnie\u017c odczynnik w opakowaniu gramowym: <a href=\"\/sklep\/idra-21\/\">IDRA-21, czysto\u015b\u0107 \u2265 99% 1000mg<\/a>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Identity of the material<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Four entries identify the substance without ambiguity.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Common names: citicoline, CDP-choline, cytidine 5&#8242;-diphosphocholine.<\/li>\n<li>CAS number: 987-78-0.<\/li>\n<li>Molecular formula: C14H26N4O11P2.<\/li>\n<li>Molar mass: 488.33 g\/mol.<\/li>\n<li>Note: trade listings frequently carry a mis-copied formula and molar mass for this compound; the values above follow reagent supplier and reference databases.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Where the compound sits among choline derivatives<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">It is a conjugate rather than a simple salt of choline.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Class: nucleotide-choline conjugate, formally a pyrophosphate diester.<\/li>\n<li>Building blocks: a cytidine nucleoside and a choline unit joined through a diphosphate bridge.<\/li>\n<li>Related materials on the shelf: choline salts and glycerophosphocholine, which differ in molar mass and in solubility.<\/li>\n<li>Consequence: molar comparisons with those materials require the full molar mass, not the choline fraction.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Structural elements that matter in handling<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Three fragments of the molecule set the practical rules.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Quaternary ammonium centre: permanently charged, which keeps the compound polar across the usual pH range.<\/li>\n<li>Diphosphate bridge: an ester linkage, and esters of phosphoric acid are the part of the molecule to protect from strongly acidic or strongly alkaline media.<\/li>\n<li>Cytosine base: an aromatic chromophore, useful for detection and a reason to keep solutions away from prolonged illumination.<\/li>\n<li>Overall polarity: high water affinity, which is why the solid is supplied in a sealed sachet.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Storage, weighing and solution preparation<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">The packaging is part of the specification, not merely a container.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Keep the sachet sealed until use and reclose it immediately; polar phosphate solids readily pick up atmospheric moisture.<\/li>\n<li>Let the packet reach room temperature before opening, so that moisture does not condense on cold material.<\/li>\n<li>Weigh quickly and record the ambient conditions alongside the mass.<\/li>\n<li>Prepare aqueous stocks fresh and note the water quality used.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">What the paperwork must state<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">A batch without documentation cannot be requalified later.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Lot marking, assay method and the purity determined by that method.<\/li>\n<li>Water content, since it changes the mass basis of every calculation.<\/li>\n<li>Storage temperature recommended by the manufacturer for that lot.<\/li>\n<li>Date of packaging and the expiry marking.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Pokrewne odczynniki laboratoryjne<\/h2>\n\n\n\n<ul class=\"powiazane-odczynniki wp-block-list\">\n<li><a href=\"\/sklep\/idra-21\/\">IDRA-21, czysto\u015b\u0107 \u2265 99% 1000mg<\/a><\/li>\n<li><a href=\"\/sklep\/acetylo-l-karnityna\/\">ALCAR \/ Acetylo-L-Karnityna &#8211; Czysto\u015b\u0107 \u2265 99% masa netto 1000mg.<\/a><\/li>\n<li><a href=\"\/sklep\/methylenblau\/\">Methylenblau \/ METHYLENBLAU. Reinheit \u2265 99,99% 1000mg.<\/a><\/li>\n<li><a href=\"\/sklep\/methylene-blue\/\">Methylene Blue \/ METHYLENE BLUE. Purity \u2265 99.99% 1000mg.<\/a><\/li>\n<\/ul>\n\n\n\n<h2>Warunek dopuszczenia do pracy<\/h2>\n<p>Produkt nie mo\u017ce by\u0107 stosowany u ludzi w \u017cadnej postaci. Zastosowanie weterynaryjne jest r\u00f3wnie wykluczone. Materia\u0142 s\u0142u\u017cy wy\u0142\u0105cznie jako wzorzec i odczynnik w analizie HPLC oraz GC-MS. Poza kategori\u0105 produkt\u00f3w leczniczych i spo\u017cywczych.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>CDP-Cholin increases the availability of dopamine in the body. Permeates the BBB.<\/p>\n","protected":false},"featured_media":506,"template":"","meta":[],"product_brand":[],"product_cat":[178],"product_tag":[250,256,253,259,262,264],"class_list":["post-723","product","type-product","status-publish","has-post-thumbnail","product_cat-uncategorized-en","product_tag-cdp-choline-en","product_tag-cdp-choline-en-2","product_tag-choline-en","product_tag-citicoline","product_tag-cytidine","product_tag-gpc-choline","first","instock","shipping-taxable","purchasable","product-type-variable"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>CDP-choline 1000 mg \u2014 citicoline reagent notes<\/title>\n<meta name=\"description\" content=\"Citicoline (CDP-choline), CAS 987-78-0, C14H26N4O11P2, 488.33 g\/mol: conjugate structure, hygroscopic packaging, weighing and documentation notes.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, 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