{"id":23536,"date":"2025-04-13T17:39:56","date_gmt":"2025-04-13T17:39:56","guid":{"rendered":"https:\/\/globalsourcechemicals.com\/?post_type=product&p=23536"},"modified":"2025-10-03T07:29:06","modified_gmt":"2025-10-03T07:29:06","slug":"with-fumarate-n-methyl-n-ethyltryptamine","status":"publish","type":"product","link":"https:\/\/globalsourcechemicals.com\/en\/shop\/of\/with-fumarate-n-methyl-n-ethyltryptamine\/","title":{"rendered":"WITH fumarate (N-methyl-N-ethyltryptamine)"},"content":{"rendered":"

MET Fumarate \u2013 N-methyl-N-ethyltryptamine Research Substance of Pharmaceutical Purity<\/strong><\/h1>\n

Product name:<\/strong> WITH Fumarate
\nFull Chemical Name:<\/strong> N-methyl-N-ethyltryptamine (MET) Fumarate salt
\nMolecular Formula:<\/strong> C13H18N2 C4H4O4
\nMolecular Weight:<\/strong> 302.32 g\/mol
\nForm:<\/strong> White crystalline powder
\nPurity:<\/strong> \u226598% (HPLC confirmed)
\nApplication:<\/strong> For scientific research only
\nCAS number (free base):<\/strong> 61-50-7<\/p>\n

\n

What is MET Fumarate?<\/strong><\/h2>\n

MET (N-methyl-N-ethyltryptamine) is a synthetic tryptamine compound<\/strong> which is structurally related to DMT and other serotonergic substances. The fumarate salt is chosen for increased stability, accurate dosing, and better solubility in laboratory conditions.<\/p>\n

MET is known for its mild, short-lived psychoactive effects<\/strong> and is being studied in research contexts because of its rapid onset of action, low toxicity, and distinct tryptamine characteristics.<\/p>\n

\n

Applications in Research Institutions<\/strong><\/h2>\n
    \n
  • Pharmacological research:<\/strong> Study of the interaction with 5-HT2A and 5-HT1A receptors.<\/li>\n
  • Neurochemical comparative study:<\/strong> With other tryptamines such as DMT, DET and MiPT.<\/li>\n
  • Prodrug or metabolism study:<\/strong> Evaluation of degradation products and receptor binding.<\/li>\n
  • In vitro binding assays:<\/strong> Analysis of receptor selectivity at different concentrations.<\/li>\n<\/ul>\n

    \u26a0\ufe0f Not for human or animal consumption. For use in a controlled laboratory environment only.<\/strong><\/p><\/blockquote>\n

    \n

    Benefits of MET Fumarate for Scientific Use<\/strong><\/h2>\n

    \u2714 Rapid onset of action and short half-life \u2013 suitable for acute effects research
    \n\u2714 High purity and stability in fumarate form
    \n\u2714 Interesting pharmacological profile with relatively low toxicity
    \n\u2714 Readily soluble in ethanol and other analytical solvents<\/p>\n

    \n

    Disadvantages \/ Possible Limitations<\/strong><\/h2>\n
      \n
    • Short duration of action complicates long-term studies<\/li>\n
    • Less researched than DMT or psilocin \u2013 limited literature<\/li>\n
    • Sensitive to oxidation when exposed to oxygen and light<\/li>\n
    • Legal ambiguity in some regions (analogy law)<\/li>\n<\/ul>\n
      \n

      Laboratory Analysis & Batch Data<\/strong><\/h2>\n\n\n\n\n\n\n\n\n\n\n\n
      Feature<\/th>\nSpecification<\/th>\n<\/tr>\n<\/thead>\n
      Purity<\/td>\n\u226598% (HPLC)<\/td>\n<\/tr>\n
      Physical form<\/td>\nFine white powder<\/td>\n<\/tr>\n
      Solubility<\/td>\nGood in ethanol, acetone<\/td>\n<\/tr>\n
      Storage temperature<\/td>\n2\u20138\u00b0C, light and airtight<\/td>\n<\/tr>\n
      Batch number<\/td>\nMET-FUM0625<\/td>\n<\/tr>\n
      Latest analysis<\/td>\nJune 16, 2025<\/td>\n<\/tr>\n
      Melting point<\/td>\n175\u2013179 \u00b0C (fumarate)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
      \n

      Recommended Use Scenarios (Laboratory)<\/strong><\/h2>\n\n\n\n\n\n\n
      Usage type<\/th>\nConcentration<\/th>\nMethod<\/th>\nObjective<\/th>\n<\/tr>\n<\/thead>\n
      In vitro<\/td>\n1\u201325 \u00b5M<\/td>\nDissolved in ethanol\/DMSO<\/td>\nReceptor binding studies<\/td>\n<\/tr>\n
      In vivo (animal model)<\/td>\nOnly by permit<\/td>\nInjection or oral administration<\/td>\nKinetics and metabolism analysis<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
      \n

      Frequently Asked Questions (FAQ)<\/strong><\/h2>\n

      \u2753 What is the difference between MET and DMT?<\/h3>\n

      Although both belong to the tryptamine class, MET is slightly less potent than DMT and has a shorter and milder onset. MET is also less visual and more mental\/cognitive focused.<\/p>\n

      \u2753 Why is fumarate form chosen?<\/h3>\n

      The fumarate form increases chemical stability, facilitates dosing and extends shelf life compared to the free base.<\/p>\n

      \u2753 Is MET legal in the Netherlands or Belgium?<\/h3>\n

      MET is not explicitly regulated in many countries, but may be subject to similar legislation. Always check the applicable regulations for your region.<\/p>\n

      \u2753 Can I use MET outside of a laboratory?<\/h3>\n

      No. This product is intended for academic or forensic research only. Use outside laboratory conditions is prohibited.<\/p>\n

      \n

      Summary<\/strong><\/h2>\n

      WITH Fumarate<\/strong> offers researchers a unique opportunity to analyze a lesser-studied, synthetic tryptamine with distinct pharmacological properties. Due to its stable salt form, high purity, and mild action, this compound is ideal for comparative neurochemical and receptor studies.<\/p>","protected":false},"excerpt":{"rendered":"

      WITH fumarate properties<\/span><\/span><\/span><\/h3>\n

      Synonym:<\/span><\/span><\/strong> N-methyl-N-ethyltryptamine fumarate <\/span><\/span>
      \nCAS Number:<\/span><\/span><\/strong> 5599-69-9 <\/span><\/span>
      \nFormula:<\/span><\/span><\/strong> 3-[2-(ethyl(methyl)amino)ethyl]-1H-indole fumarate <\/span><\/span>
      \nMolar Mass:<\/span><\/span><\/strong> 318.4 g\/mol <\/span><\/span>
      \nPurity:<\/span><\/span><\/strong> >97%<\/span><\/span><\/p>\n","protected":false},"featured_media":27910,"comment_status":"closed","ping_status":"closed","template":"","meta":[],"product_brand":[],"product_cat":[508,398,381],"product_tag":[326],"class_list":{"0":"post-23536","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-met","7":"product_cat-verkoop","8":"product_cat-tryptamines","9":"product_tag-nl","11":"first","12":"instock","13":"sale","14":"taxable","15":"shipping-taxable","16":"purchasable","17":"product-type-variable"},"_links":{"self":[{"href":"https:\/\/globalsourcechemicals.com\/en\/wp-json\/wp\/v2\/product\/23536","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/globalsourcechemicals.com\/en\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/globalsourcechemicals.com\/en\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/globalsourcechemicals.com\/en\/wp-json\/wp\/v2\/comments?post=23536"}],"version-history":[{"count":3,"href":"https:\/\/globalsourcechemicals.com\/en\/wp-json\/wp\/v2\/product\/23536\/revisions"}],"predecessor-version":[{"id":26606,"href":"https:\/\/globalsourcechemicals.com\/en\/wp-json\/wp\/v2\/product\/23536\/revisions\/26606"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/globalsourcechemicals.com\/en\/wp-json\/wp\/v2\/media\/27910"}],"wp:attachment":[{"href":"https:\/\/globalsourcechemicals.com\/en\/wp-json\/wp\/v2\/media?parent=23536"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/globalsourcechemicals.com\/en\/wp-json\/wp\/v2\/product_brand?post=23536"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/globalsourcechemicals.com\/en\/wp-json\/wp\/v2\/product_cat?post=23536"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/globalsourcechemicals.com\/en\/wp-json\/wp\/v2\/product_tag?post=23536"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}