MET Fumarate (Methylethyltryptamine)
MET Fumarate (systematically designated as N-ethyl-N-methyl-1H-indole-3-ethanamine fumarate) is a prominent asymmetrical synthetic tryptamine derivative and a close structural analogue of base indolealkylamines such as dimethyltryptamine (DMT) and diethyltryptamine (DET). This analytical-grade crystalline powder is engineered as a stable fumarate salt vector specifically for in vitro laboratory analysis, forensic identification screening, and mass spectrometry calibration. Sourcing this compound in its raw isolated salt format allows clinical and forensic testing facilities to explore the active molecule free from foreign tableting binders, processing lubricants, or liquid suspension stabilizers.
By fixing the active molecule within a solid fumaric acid crystalline matrix, chemical researchers establish an exceptionally stable testing baseline. MET serves as a vital reference standard within neuropharmacological networks and toxicological laboratories to map structural mass fragmentations, competitive serotonin receptor binding dynamics, and metabolic enzyme pathways.

Why Source Analytical-Grade MET Fumarate?
Sourcing an analytically pure MET Fumarate powder is essential for maintaining baseline reproducibility, clear spectral definition, and precise fluid reconstitution metrics during tryptamine assays.
1. Superior Solid-State Stability and Archiving
While many base tryptamine freebases exist as highly volatile oils or amorphous solids that oxidize rapidly when exposed to environmental oxygen, moisture, or light, the fumarate salt configuration introduces significant thermodynamic stability. The pairing of the base molecule with a rigid fumaric acid counter-ion elevates the substance’s decomposition threshold. This protective crystal matrix shields the tertiary amine sites from premature breakdown, extending its shelf life for multi-year baseline archives.
2. High-Performance Fingerprint Analysis and Reconstitution
Lower-grade chemical formats or pre-blended liquid solutions introduce risks of concentration drift or trace manufacturing impurities. Our raw crystalline powder is isolated under strict quality control to guarantee absolute structural homogeneity. This clean chemical baseline yields exceptionally sharp, well-defined tracking peaks when conducting gas chromatography-mass spectrometry (GC-MS) or high-performance liquid chromatography (HPLC) calibration routines.
The Structural Science of MET Fumarate
The molecular architecture of MET Fumarate serves as an essential point of study within targeted structural-activity relationship ($SAR$) modeling. According to comprehensive technical files curated inside the National Center for Biotechnology Information (NCBI) PubChem Database, the specific integration of two distinct, asymmetrical alkyl groups on the terminal nitrogen differentiates its behavioral data from its symmetrical counterparts.
1. Asymmetrical Alkyl Side-Chain Dynamics
The defining feature of the MET backbone relies on its unique amine substitution profile:
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Steric Dissymmetry: The terminal nitrogen links one methyl group ($-\text{CH}_3$) alongside one ethyl chain ($-\text{CH}_2\text{CH}_3$). This structural asymmetry creates a distinct spatial and lipophilic profile that alters the compound’s overall molecular volume compared to DMT or DET.
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Serotonergic Receptor Agonism: In vitro binding assays demonstrate that the active agent behaves as a selective agonist at central neurotransmitter fields, demonstrating high binding affinity markers across serotonin $5\text{-}HT_{1A}$ and $5\text{-}HT_{2A}$ receptor pathways.
2. Streamlined Solution Kinetics
The choice of a fumarate salt complex ensures highly predictable liquid interactions within standard biochemical modeling:
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Hydrophilic Compatibility: MET Fumarate dissolves rapidly and uniformly in water and standard laboratory saline buffers, eliminating the need to introduce aggressive organic solvents like DMSO that could potentially alter sensitive cell culture environments.
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Predictable Stoichiometric Ratios: The fumarate matrix features a reliable crystalline layout, allowing researchers to measure exact micro-gram weights for consistent serial dilutions.
Technical Specifications: MET Fumarate Assay
We replace promotional descriptions with verifiable, empirical chemical parameters so you can execute your laboratory research and calibration tests with complete validation.
| Parameter | Detailed Empirical Specification |
| Chemical Identification | MET Fumarate (N-Methyl-N-ethyltryptamine Fumarate) |
| Substance Classification | Indolealkylamines / Asymmetrical Base Tryptamines |
| CAS Registry Number | 5599-39-3 (Freebase Core) |
| Systemic Purity Level | ≥98.5% Pure Active Assay verified via HPLC / GC-MS |
| Molecular Formula | $C_{13}H_{18}N_{2} \cdot C_{4}H_{4}O_{4}$ |
| Combined Formula Weight | 318.37 g/mol |
| Solubility Profile | Highly soluble in Water, Methanol, and Anhydrous Ethanol |
Frequently Asked Questions Regarding Laboratory Compliance
What are the primary solubility limits of this fumarate salt?
As a verified fumarate complex, MET demonstrates excellent hydrophilic characteristics, breaking down completely in aqueous laboratory mediums. For specialized liquid profiling, automated forensic testing, or updating spectral libraries, it also exhibits exceptional solubility in high-purity methanol and anhydrous laboratory ethanol.
How should this bulk raw material be stored to prevent degradation?
To maximize stability and avoid atmospheric moisture absorption or degradation, keep the container tightly sealed in a dry, dark environment away from direct UV radiation. Ambient room temperatures between 15°C and 25°C are sufficient to maintain full molecular potency over short-term testing windows; however, for multi-year archives, storing the sealed material at -20°C will completely halt any trace molecular breakdown. For additional regulatory guidance on handling research chemicals safely, researchers can view active parameters outlined by the European Chemicals Agency (ECHA).
Is this chemical compound approved for diagnostic human use?
No. This material is synthesized strictly for in vitro laboratory analysis, forensic identification, and scientific research applications. It is an unapproved novel psychoactive substance with zero recognized therapeutic uses, and is explicitly prohibited from human consumption, veterinary trials, or any form of in vivo clinical testing.
Secure Industrial Chemical Excellence
Do not compromise your laboratory’s analytical data or ongoing research cycles on unverified, loosely handled chemical products that exhibit heavy localized degradation. By selecting our MET Fumarate, you introduce uncompromising laboratory purity, verifiable chemical stability, and immaculate baseline precision into your experimental workflow. The resulting mitigation of trace impurities, highly predictable solubility profiles, and clear assay metrics will empower your research collective to break through analytical plateaus with absolute, unwavering confidence.
