5-Methoxymethylone Online Order

Description

5-Methoxymethylone, also known as βk-MMDMA or 2-A1MP, is a synthetic research chemical from the group of Cathinone.
Chemically, it belongs to the family of β-Keto amphetamines and is structurally closely linked to Methylones (βk-MDMA) a known entactogenic derivative of MDMA.
The introduction of a methoxy group at the fifth position of the aromatic ring distinguishes 5-methoxymethylone from its parent compound and influences both its pharmacological activity and its metabolic stability.

Although 5-methoxymethylone was originally synthesized for research purposes, it briefly appeared on the grey market as a so-called „Research Chemical“ on.
However, the substance remains scientifically relevant due to its potential to provide information on the structure-activity relationships of cathinone analogs and entactogenic substances.

Chemical structure and classification

Chemically, 5-methoxymethylone belongs to the synthesis-analogous β-keto-amphetamines, derived from the natural substance cathinone (an alkaloid of the plant Catha edulis) are derived.
These compounds are characterized by a keto group (C=O) at the β-position and a substitution on the phenyl ring.

Important chemical properties

• Sum formula: C₁₂H₁₅NO₃
• Molecular weight: 221.25 g/mol
• Chemical structure: β-Keto-3,4-methylene- or methoxy-substituted amphetamine
• CAS number: not clearly assigned (analytically variable)
• Melting point: approx. 167-172 °C (variable depending on degree of isomerism)
• Stability: Sensitive to light and moisture; store at 2-8 °C

Compared to methylones, 5-methoxymethylones have an additional Methoxy group (-OCH₃) at the aromatic position 5.
This small structural modification can have significant effects on the pharmacological properties, especially on lipophilicity and receptor affinity.

Pharmacological properties

5-Methoxymethylone is one of the so-called entactogenic and stimulating cathinones.
Entactogenic substances subjectively promote empathy, social openness and emotional connectedness, while stimulating components can lead to increased activity and alertness.
However, the exact mechanisms of action of 5-methoxymethylone have not yet been sufficiently investigated.

In vitro studies of similar cathinones (e.g. methylones or butylones) have shown an effect on the Monoamine transporter for dopamine, noradrenaline and serotonin (DAT, NET, SERT).
Researchers therefore assume that 5-methoxymethylone could also influence these systems - albeit with altered selectivity due to the methoxy substitution.

Possible pharmacological effects

• Release of serotonin and noradrenaline in the synaptic cleft
• Inhibition of the reuptake of these neurotransmitters
• Moderate release of dopamine with a stimulating effect
• Entactogenic effect due to altered serotonin activity

As the pharmacodynamic data on 5-methoxymethylone is limited, it is primarily used in experimental studies to investigate structure-activity relationships (SAR) within the cathinone class.

Research interest and scientific application

The scientific relevance of 5-methoxymethylone lies in the possibility of analyzing the effects of chemical substitutions on pharmacological activity and metabolic stability.
Researchers are particularly interested in the following questions:

• How does the methoxy group change lipophilicity and receptor binding?
• What influence does it have on serotonin and noradrenaline transporter affinity?
• Which metabolites are produced during enzymatic degradation?
• How do pharmacokinetic profiles differ from methylones?

The answers to these questions are important in order to biochemical Basis entactogenic effects and to develop new pharmacological models for therapeutic research.

Analytical detection methods

In toxicology and forensic laboratories, 5-methoxymethylone is usually analyzed by Liquid chromatography with mass spectrometry (LC-MS/MS) or Gas chromatography-mass spectrometry (GC-MS) identified.
These methods enable reliable detection in biological samples (e.g. blood, urine) or residues.

The structure is often supplemented by Infrared spectroscopy (FTIR) and Nuclear magnetic resonance spectroscopy (NMR) verified to exclude isomeric impurities.

Legal status

The legal status of 5-methoxymethylone varies internationally.
In many countries, including Germany, Austria, the UK and the USA, similar cathinones are already covered by the New Psychoactive Substances Act (NpSG) or the corresponding Controlled Substance Acts.
It is therefore assumed that 5-methoxymethylone is also legally restricted or banned.

Legal overview (as at 2025)

• Germany: Most likely covered by the NpSG (analog cathinones prohibited)
• USA: Potentially regulated under the Federal Analogue Act
• UK: Illegal under the Psychoactive Substances Act
• Canada & Australia: Mostly listed under schedule-like regulations

This means that the purchase, possession or sale of 5-methoxymethylone is not permitted in many countries.
Research may only be conducted in authorized facilities that have the appropriate permits.

Safety and handling instructions

Due to the limited data available on the pharmacological effect of 5-methoxymethylone, all work with this substance must be carried out with special care to be carried out.
It may only be used in controlled laboratory environments that comply with the Good Laboratory Practice (GLP)-guidelines.

Recommended protective measures

• Wear protective clothing, gloves and respirators
• Work exclusively under a fume cupboard system
• Avoid direct skin and eye exposure
• Safe disposal in accordance with the Hazardous Substances Ordinance
• Storage in sealed, labeled sample containers

The storage should cool (2-8 °C), dry and protected from light take place.
As 5-methoxymethylone can react hygroscopically, storage under inert gas (nitrogen or argon) is recommended.

Research ethics considerations

As with all substances from the class of synthetic cathinones:
Scientific work with 5-methoxymethylone requires not only technical expertise, but also ethical responsibility.
Uncontrolled experiments or the unauthorized acquisition of such chemicals contradict the basic principles of research safety.

Researchers should instead focus on Approved chemical standards and transparent sources of supply.
This is the only way to achieve reproducible, legal and safe results.

Scientific significance

The study of 5-methoxymethylone contributes to a deeper understanding of the structure-activity relationships of entactogens.
Such findings are not only relevant for basic research, but can also help to develop new pharmacological approaches for mental illnesses in the long term.

In addition, the analysis of this compound provides valuable data for forensic and toxicological purposes, for example in the development of detection methods for emerging psychoactive substances (NPS).

Conclusion

5-Methoxymethylone is a interesting but potentially risky cathinone derivative, which is used in research to investigate neurotransmitter systems and structure-activity relationships.
Its chemical similarity to methylones makes it important for analytical studies, but due to legal restrictions it may only be used under approved conditions.

Anyone dealing with the substance should always pay attention to scientific accuracy, legal conformity and the highest safety standards.
5-Methoxymethylone thus remains an example of the balance between scientific interest in knowledge and regulatory responsibility in modern chemical research.