{"product_id":"mpeg-sub-10-sub-ch-sub-2-sub-cooh-2px4-2px4","title":"mPEG10-CH2COOH, 50 mg","description":"\u003cp\u003emPEG10-CH2COOH is a monodisperse methoxy polyethylene glycol carboxylic acid reagent with CAS number 908258-58-2 and the empirical formula C₂₃H₄₆O₁₃. Its molar mass is 530,6 g\/mol and the density is 1,122 g\/cm³, giving clear molecular and physical reference points for weighing, formulation, and analytical verification. The product is Specification of chain length in the product name (mPEG10) together with the stated formula and molar mass supports consistent batch documentation and stoichiometric calculations. Offered by manufacturer Carl ROTH within chemical and biochemical ranges, this material presents the essential identity data—CAS, formula, molar mass, density, and unit quantity—needed for laboratory procurement and experimental design without extending beyond the manufacturer’s published parameters.\u003c\/p\u003e\n\u003c!-- lx-pdp-inline --\u003e\n\u003cp\u003eThis article is part of \u003ca href=\"\/en-be\/collections\/organic-building-blocks-and-synthesis-reagents\"\u003eOrganic building blocks \u0026amp; synthesis reagents\u003c\/a\u003e, in \u003ca href=\"\/en-be\/collections\/organic-chemicals-and-synthesis-reagents\"\u003eOrganic chemicals \u0026amp; synthesis reagents\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch3\u003eKey features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePurity (HPLC): ≥ 97 %\u003c\/li\u003e\n\u003cli\u003eColour: colorless to yellow\u003c\/li\u003e\n\u003cli\u003eForm: liquid\u003c\/li\u003e\n\u003cli\u003e¹H-NMR Spectrum: corresponds to assigned structure\u003c\/li\u003e\n\u003cli\u003eCAS number: 908258-58-2\u003c\/li\u003e\n\u003cli\u003ePack sizes: 50 mg, 100 mg, 250 mg, 500 mg\u003c\/li\u003e\n\u003cli\u003eEmpirical formula: C₂₃H₄₆O₁₃\u003c\/li\u003e\n\u003cli\u003eMolar mass: 530,6 g\/mol\u003c\/li\u003e\n\u003cli\u003eDensity: 1,122 g\/cm³\u003c\/li\u003e\n\u003cli\u003eStorage temperature: +2 to +8 °C\u003c\/li\u003e\n\u003cli class=\"lx-tis-li\"\u003eTechnical Information Sheet: \u003ca class=\"sds-link\" href=\"https:\/\/api.carlroth.com\/medias\/SPEZ-2PX4-EN.pdf?context=bWFzdGVyfHNwZWNpZmljYXRpb25zfDEwMzA4MHxhcHBsaWNhdGlvbi9wZGZ8YUdKbUwyaGlNUzg1TWpVME56UTFPRFkyTWpjd0wxTlFSVnBmTWxCWU5GOUZUaTV3WkdZfDAwYWY4ZGNhZTMzMDI3OGFlNmIxNWFhNzM5ODlhMGRjMDNiYThkOGM1YWQxZGU5NDIzYTk3ZDA4NmIxZjRlOGE\" target=\"_blank\" rel=\"noopener noreferrer\" style=\"display:inline;vertical-align:middle\" title=\"Technical sheet PDF\" aria-label=\"Technical sheet 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\u003cli class=\"lx-tis-li\"\u003eSafety Data Sheet: \u003ca class=\"sds-link\" href=\"https:\/\/api.carlroth.com\/medias\/SDB-2PX4-DE-DE.pdf?context=bWFzdGVyfHNlY3VyaXR5RGF0YXNoZWV0c3w3ODY1MHxhcHBsaWNhdGlvbi9wZGZ8YUdabEwyZzFZaTg1TVRrMk1qWXlOREkwTmpBMkwxTkVRbDh5VUZnMFgwUkZYMFJGTG5Ca1pnfGMyN2Q1NjdiOTVlMTlkMWIxZjkzZGUyYTQ2MGVmMDZmZDUyN2I4ZTk3NmYzODc0MTk3ODE5MzQyOTAxZjU0ZGM\" 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":"50 mg \/ 1 piece","offer_id":56146215010636,"sku":"2PX4.2","price":289.2,"currency_code":"EUR","in_stock":true},{"title":"50 mg \/ 6+ pieces","offer_id":56146215043404,"sku":"2PX4.2","price":274.74,"currency_code":"EUR","in_stock":true},{"title":"50 mg \/ 24+ pieces","offer_id":56146215076172,"sku":"2PX4.2","price":260.28,"currency_code":"EUR","in_stock":true},{"title":"100 mg \/ 1 piece","offer_id":56146215108940,"sku":"2PX4.3","price":478.4,"currency_code":"EUR","in_stock":true},{"title":"100 mg \/ 6+ pieces","offer_id":56146215141708,"sku":"2PX4.3","price":454.48,"currency_code":"EUR","in_stock":true},{"title":"100 mg \/ 24+ pieces","offer_id":56146215174476,"sku":"2PX4.3","price":430.56,"currency_code":"EUR","in_stock":true},{"title":"250 mg \/ 1 piece","offer_id":56146215207244,"sku":"2PX4.4","price":762.2,"currency_code":"EUR","in_stock":true},{"title":"250 mg \/ 6+ pieces","offer_id":56146215240012,"sku":"2PX4.4","price":724.09,"currency_code":"EUR","in_stock":true},{"title":"250 mg \/ 24+ pieces","offer_id":56146215272780,"sku":"2PX4.4","price":685.98,"currency_code":"EUR","in_stock":true},{"title":"500 mg \/ 1 piece","offer_id":56146215305548,"sku":"2PX4.5","price":1144.9,"currency_code":"EUR","in_stock":true},{"title":"500 mg \/ 6+ pieces","offer_id":56146215338316,"sku":"2PX4.5","price":1087.66,"currency_code":"EUR","in_stock":true},{"title":"500 mg \/ 24+ pieces","offer_id":56146215371084,"sku":"2PX4.5","price":1030.41,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0955\/4827\/7068\/files\/1000Wx1000H-2PX4-SF_b3b60aa6-adc5-4611-aeda-30845b133047.jpg?v=1766419153","url":"https:\/\/www.luminixhealth.com\/en-be\/products\/mpeg-sub-10-sub-ch-sub-2-sub-cooh-2px4-2px4","provider":"Luminix Health","version":"1.0","type":"link"}