{"product_id":"l-seleno-l-methionine-2x2p-2x2p","title":"L-Seleno-L-methionine, 5 g","description":"\u003cp\u003eL-Seleno-L-methionine is a selenium-containing amino acid analogue for biochemical research, registered under CAS number 3211-76-5 with the empirical formula C₅H₁₁NO₂Se. Its molar mass is 196,11 g\/mol, enabling precise stoichiometric calculations when the compound is weighed or dissolved for experimental work. The structure combines the L-methionine carbon skeleton with selenium in place of sulfur, a substitution widely recognised in specialised amino-acid and metalloid biochemistry contexts. L-Seleno-L-methionine (Carl ROTH) is listed among biochemical chemicals and is associated with UN number 3283 for transport classification. Documented CAS, formula, and molar-mass data help laboratories align orders with protocols that specify this enantiomerically designated seleno-methionine derivative.\u003c\/p\u003e\n\u003c!-- lx-pdp-inline --\u003e\n\u003cp\u003eThis article belongs on \u003ca href=\"\/en-nl\/collections\/microscopy-stains-and-staining-solutions\"\u003eMicroscopy stains \u0026amp; staining solutions\u003c\/a\u003e, in \u003ca href=\"\/en-nl\/collections\/dyes-stains-and-indicators\"\u003eDyes, stains \u0026amp; indicators\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3\u003eKey features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCAS number: 3211-76-5\u003c\/li\u003e\n\u003cli\u003ePack sizes: 5 g, 10 g, 25 g\u003c\/li\u003e\n\u003cli\u003eEmpirical formula: C₅H₁₁NO₂Se\u003c\/li\u003e\n\u003cli\u003eMolar mass: 196,11 g\/mol\u003c\/li\u003e\n\u003cli\u003eStorage temperature: +2 to +8 °C\u003c\/li\u003e\n\u003cli\u003eUN nr.: 3283\u003c\/li\u003e\n\u003cli class=\"lx-tis-li\"\u003eSafety Data Sheet: \u003ca class=\"sds-link\" href=\"https:\/\/www.carlroth.com\/downloads\/sdb\/DE\/2\/SDB_2X2P_DE_EN.pdf\" target=\"_blank\" rel=\"noopener noreferrer\" style=\"display:inline;vertical-align:middle\" title=\"SDS PDF\" aria-label=\"SDS PDF\"\u003e\u003cimg class=\"sds-icon\" src=\"https:\/\/img.icons8.com\/color\/48\/pdf.png\" alt=\"PDF\" width=\"18\" height=\"18\" style=\"width:18px;height:18px;max-width:18px;margin:0;padding:0;display:inline;vertical-align:middle;border:0;\"\u003e\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Carl Roth","offers":[{"title":"5 g \/ 1 piece","offer_id":56147888439628,"sku":"2X2P.3","price":439.7,"currency_code":"EUR","in_stock":true},{"title":"5 g \/ 6+ pieces","offer_id":56147888472396,"sku":"2X2P.3","price":417.72,"currency_code":"EUR","in_stock":true},{"title":"5 g \/ 24+ pieces","offer_id":56147888505164,"sku":"2X2P.3","price":395.73,"currency_code":"EUR","in_stock":true},{"title":"10 g \/ 1 piece","offer_id":56147888537932,"sku":"2X2P.4","price":794.45,"currency_code":"EUR","in_stock":true},{"title":"10 g \/ 6+ pieces","offer_id":56147888570700,"sku":"2X2P.4","price":754.73,"currency_code":"EUR","in_stock":true},{"title":"10 g \/ 24+ pieces","offer_id":56147888603468,"sku":"2X2P.4","price":715.01,"currency_code":"EUR","in_stock":true},{"title":"25 g \/ 1 piece","offer_id":56147888636236,"sku":"2X2P.5","price":289.2,"currency_code":"EUR","in_stock":true},{"title":"25 g \/ 6+ pieces","offer_id":56147888669004,"sku":"2X2P.5","price":274.74,"currency_code":"EUR","in_stock":true},{"title":"25 g \/ 24+ pieces","offer_id":56147888701772,"sku":"2X2P.5","price":260.28,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0955\/4827\/7068\/files\/1000Wx1000H-2X2P-SF_bf48c2de-9b9b-4372-a2c2-f47367ddbd79.jpg?v=1766419615","url":"https:\/\/www.luminixhealth.com\/en-nl\/products\/l-seleno-l-methionine-2x2p-2x2p","provider":"Luminix Health","version":"1.0","type":"link"}