Buy Meclonazepam Online | What is Meclonazepam?
Buy Meclonazepam online . Meclonazepam is a benzodiazepine derivative studied for sedative, anxiolytic, and anticonvulsant properties. Scientific literature describes its interaction with GABA receptors and its relation to clonazepam.
As a derivative of the well known benzodiazepine class, this compound offers unique properties that distinguish it from its pharmaceutical counterparts. At Chem14.com, we provide high grade materials for laboratories studying these novel substances. Whether you are looking to buy Meclonazepam online for analytical testing or simply wish to understand its pharmacological profile, understanding its intricacies is vital.
🧐 What is Meclonazepam and Why Is It Unique?
Meclonazepam is a benzodiazepine derivative originally patented in the 1970s that gained attention for its potent anti-parasitic effects against schistosomiasis, distinguishing it from classic anxiolytic benzodiazepines.
Scientific databases such as DrugBank, Drugs.com, and PsychonautWiki describe Meclonazepam as a compound interacting with gamma aminobutyric acid (GABA) receptors, the primary inhibitory neurotransmitter system in the brain.
According to the scientific database DrugBank, benzodiazepines typically function by increasing the effect of GABA, which reduces neuronal excitability.
⚗️ What is the CAS Number and Chemical Profile of Meclonazepam?
The Meclonazepam CAS number is 58662-84-3 . It is classified as a 1,4-benzodiazepine with a nitro group at the R7 position and a methyl group at the R3 position.
Its molecular structure is critical to its function. The (S)-enantiomer is the biologically active form. Below is a comprehensive breakdown of its chemical identifiers for your laboratory records.
| Chemical Property | Details for Meclonazepam |
|---|---|
| IUPAC Name | (3S)-5-(2-chlorophenyl)-3-methyl-7-nitro-1,3-dihydro-1,4-benzodiazepin-2-one |
| CAS Number | 58662-84-3 |
| Synonyms | 3-Methylclonazepam, Ro 11-3128, Ro 05-4318 |
| Molecular Formula | C₁₆H₁₂ClN₃O₃ |
| Molecular Weight | 329.74 g/mol |
| Melting Point | >260°C (estimated) |
| Solubility | Soluble in DMSO and DMF; practically insoluble in water |
| Appearance | Off-white to pale yellow crystalline solid |
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🧬 How Does Meclonazepam Work? Mechanism of Action Explained
Meclonazepam exerts its effects through dual mechanisms: as a positive allosteric modulator of GABAᴀ receptors in mammals and as an activator of TRPM channels in schistosome parasites.
Meclonazepam enhances GABA signalling in the brain by binding to benzodiazepine receptor sites, increasing inhibitory neurotransmission and reducing neural activity.
The mechanism of action is typical for benzodiazepines.
These compounds bind to a benzodiazepine receptor site located on the GABA A receptor complex.
When binding occurs, several changes happen:
- Increased GABA receptor affinity
- Enhanced chloride ion influx
- Reduced neuronal firing
- Sedative and calming neurological effects
According to Drugs.com, benzodiazepines increase the inhibitory effect of GABA by facilitating receptor binding.
This results in decreased central nervous system activity.
🦠 What is the Anti-Parasitic Research Potential of Meclonazepam?
The most compelling research angle for Meclonazepam is its activity against schistosomiasis, a disease affecting over 200 million people worldwide.
Unlike the current primary treatment, Praziquantel, which is less effective against juvenile worms, Meclonazepam has shown efficacy against all stages of the Schistosoma mansoni parasite . A 2012 study in Chemical Biology & Drug Design confirmed that the amide moiety in its structure is the principal pharmacophoric unit responsible for this schistosomicidal activity .
Research indicates that a single dose can cause a complete shift of worms from the mesenteric veins to the liver, where they are destroyed . While clinical development was halted due to dose-limiting central nervous system side effects in humans during the 1980s , the compound remains a critical lead candidate for medicinal chemists. They use it to design new analogues that retain the anti-parasitic effect but lack the sedative properties, a challenge we support through the supply of high-purity reference materials.
🧠 What Effects Are Associated With Meclonazepam?
Reported effects of Meclonazepam include sedation, muscle relaxation, reduced anxiety, and anticonvulsant activity linked to GABA receptor modulation.
Information compiled from PsychonautWiki and pharmacological sources indicates several effects.
Common pharmacological effects
- Sedation
- Anxiolysis
- Muscle relaxation
- Anticonvulsant activity
These effects result from suppressed neuronal excitability in the brain.
Potential Physiological Effects
The following physiological responses have been documented in benzodiazepine compounds:
- reduced central nervous system stimulation
- slowed reaction time
- decreased anxiety signals
- muscle relaxation
Scientific research attributes these effects to increased inhibitory signalling through GABA pathways.
⚠️ Side Effects and Safety Concerns
Side effects linked to benzodiazepine compounds may include sedation, cognitive impairment, memory disruption, and respiratory depression at high exposure levels.
According to pharmacological data from Drugs.com and other medical references, benzodiazepines can cause several adverse effects.
Possible side effects
- drowsiness
- cognitive impairment
- motor coordination issues
- memory impairment
- respiratory depression
Higher exposure levels may increase risk.
Dependence and Tolerance
Long term benzodiazepine exposure can lead to:
- tolerance
- dependence
- withdrawal symptoms
These outcomes occur due to adaptive changes in GABA receptor sensitivity.
🧬 Relationship Between Meclonazepam and Clonazepam
Meclonazepam is structurally related to clonazepam, sharing a nitrobenzodiazepine backbone and similar pharmacological interaction with GABA receptors.
Clonazepam is a clinically approved benzodiazepine used for:
- seizure disorders
- panic disorder
- anxiety treatment
Meclonazepam contains similar molecular elements, particularly the nitrobenzodiazepine core structure.
Scientific literature indicates that compounds with this structure often show similar pharmacological activity.
⚖️ Is Meclonazepam Legal? Legal Status in the UK, USA, Germany, and Australia
Meclonazepam is not approved for medical use and is classified as a designer benzodiazepine; its legal status varies significantly, operating in a strict grey area for research purposes only.
Because Meclonazepam never received widespread clinical approval, it exists in a complex legal space. It is frequently detected by forensic laboratories as a new psychoactive substance . Here is a general overview:
- United Kingdom: Under the Psychoactive Substances Act 2016, it is illegal to supply or import this compound for human consumption. Possession for legitimate research by a licensed institution may be permissible, but this requires strict adherence to Home Office regulations.
- United States: Meclonazepam is not a scheduled substance under the federal Controlled Substances Act. However, it could potentially be prosecuted under the Federal Analog Act if it is intended for human consumption, due to its structural similarity to controlled benzodiazepines like clonazepam.
- Germany: It falls under the New Psychoactive Substances Act (NpSG) , which controls substances based on their chemical structure. Possession and trade for scientific purposes are possible with authorization.
- Australia: As an analogue of a scheduled medicine, it is likely considered a prohibited substance under analogue drug laws.
At Chem14.com, we strictly supply Meclonazepam for forensic and analytical research purposes only. We recommend all researchers verify their local regulations before ordering. You can read more about our compliance on our legal disclaimer page.
Comparison With Other Benzodiazepine Compounds
| Compound | Category | Primary Activity |
|---|---|---|
| Diazepam | Benzodiazepine | Sedative, anxiolytic |
| Clonazepam | Nitrobenzodiazepine | Anticonvulsant |
| Alprazolam | Benzodiazepine | Anxiety treatment |
| Meclonazepam | Benzodiazepine analogue | Sedative research compound |
This comparison highlights the structural and pharmacological similarity among benzodiazepine molecules.
📦 Where Can You Buy Meclonazepam Online in the USA, UK, and Europe?
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📊 Comparison: Meclonazepam vs. Clonazepam
To help researchers understand the subtle but critical differences, here is a comparison between Meclonazepam and its more famous analogue, Clonazepam.
| Feature | Meclonazepam (3-Methylclonazepam) | Clonazepam |
|---|---|---|
| Primary Research Use | Anti-parasitic (schistosomiasis) model, SAR studies | Anticonvulsant, anxiolytic, panic disorder model |
| Key Structural Diff. | Methyl group (-CH₃) at the 3-position | Hydrogen atom at the 3-position |
| CAS Number | 58662-84-3 | 1622-61-3 |
| Unique Mechanism | Activates TRPM channels in parasites | Classic GABAᴀ receptor modulation |
| Clinical Status | Never marketed; research-only | FDA-approved therapeutic (e.g., Melzap MD-0.25) |
| Common Research Areas | Tropical medicine, parasitology, toxicology | Neurology, psychiatry, neuroscience |
🧑🔬 Key Takeaways for Meclonazepam Research
- Meclonazepam is a unique 3-methyl derivative of clonazepam with a distinct research profile.
- Its CAS number is 58662-84-3 and its molecular formula is C₁₆H₁₂ClN₃O₃ .
- It acts on GABAᴀ receptors in mammals and TRPM channels in parasites .
- It demonstrates potent anti-schistosomal activity, effective against both mature and juvenile worms .
- Legal status is complex; it is strictly for forensic and laboratory research and is not for human consumption.
- Purchase high-purity Meclonazepam from a reliable research chemical vendor like Chem14.com to ensure the integrity of your work.
Is Meclonazepam legal in the United Kingdom ?
The legal status in the UK is complex. While it might not be explicitly listed, the Psychoactive Substances Act 2016 controls substances intended for human consumption. It is safest to assume it is regulated for non research use.
What is the primary use of Meclonazepam in research ?
Researchers primarily use Meclonazepam as a reference standard in forensic toxicology to identify and quantify novel benzodiazepines in biological samples.
How does Meclonazepam compare to Clonazepam ?
Meclonazepam is the N methyl analog of Clonazepam. It shares a similar mechanism of action but has a distinct metabolic profile and was historically investigated for anti parasitic effects.
Can I buy Meclonazepam for human consumption ?
No. Meclonazepam is sold strictly for research and forensic analysis purposes. It is not intended for human or veterinary use.
Where can I find reliable Meclonazepam for sale in the USA ?
Reliable vendors prioritize purity and legal compliance. We recommend choosing suppliers like Chem14.com that provide verified products and transparent business practices. You can check our legit research chemical vendors usa page for more details.
What is the main difference between Meclonazepam and Clonazepam?
The primary difference is a methyl group at the 3-position of the benzodiazepine ring. This small change gives Meclonazepam potent anti-parasitic properties that Clonazepam does not possess, while both share sedative-hypnotic profiles .
Can I use Meclonazepam for human consumption?
Absolutely not. Meclonazepam is strictly for research and forensic use only. It is not approved for human consumption, and its safety and toxicity profile outside of controlled studies is unknown. Using it outside a lab poses severe health risks.
How should Meclonazepam be stored for long-term stability?
For long-term storage, keep Meclonazepam in a tightly sealed container, protected from light, at a temperature of -20°C. Under these conditions, it can remain stable for several years .
What are the main metabolites of Meclonazepam identified in research?
High-resolution mass spectrometry studies have identified the main metabolites as amino-meclonazepam and acetamido-meclonazepam, which result from the reduction of the nitro group. These are key biomarkers for intake studies .
Why was Meclonazepam never marketed as a drug?
Although it was effective against schistosomiasis in human trials, its development was halted because it caused severe sedative side effects at therapeutic doses. These effects, typical of benzodiazepines, were deemed unacceptable for treating a parasitic infection .
Is Meclonazepam the same as the medication found on Apollo Pharmacy?
No. The product on Apollo Pharmacy is Melzap MD-0.25, which contains clonazepam . While structurally similar, they are different chemical compounds with different research and medical applications.
Where can I find reliable vendors to buy research chemicals?
Finding a reliable research chemical supplier is key. Look for vendors who provide clear product specifications, certificates of analysis, and have transparent policies. At Chem14.com, we prioritize these standards. You can also learn more in our guide on how to find reliable research chemical suppliers.
What is Meclonazepam used for?
Meclonazepam has been studied for sedative and anticonvulsant properties related to GABA receptor modulation similar to other benzodiazepines.
Research focuses on central nervous system depressant activity and benzodiazepine receptor interaction.
Is Meclonazepam similar to clonazepam?
Yes. Meclonazepam shares structural similarity with clonazepam and belongs to the nitrobenzodiazepine class affecting GABA receptors.
Both compounds interact with the same neurological receptor system.
How does Meclonazepam affect the brain?
Meclonazepam enhances GABA neurotransmission, which reduces neuronal activity and produces sedative and anxiolytic effects.
This mechanism is typical of benzodiazepine pharmacology.
What are the risks of benzodiazepine compounds?
Risks include sedation, cognitive impairment, tolerance development, dependence, and respiratory depression at high exposure levels.
These risks appear in many central nervous system depressants.
Is Meclonazepam legal worldwide?
No. The legal classification of Meclonazepam depends on national drug laws and analogue legislation governing benzodiazepine derivatives.
Regulatory frameworks vary among countries.
Disclaimer: All products and information provided on Chem14.com are intended for legitimate research and forensic purposes only. We do not condone or support the misuse of research chemicals. Buyers must be at least 18 years old and agree to our terms and conditions.


