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Buy 4F-MPH for sale online from USA vendor

Product Name: 4F-MPH
IUPAC Name: 4-Fluoromethylphenidate
Other Names: 4-Fluoromethylphenidate , 4-FMPH , 4F-MPH
Cas Number: 1354631-33-6
Molecular Formula: C14H18FNO2
Molar Mass: 251.3 g/mol
Effect: stimulant, psychedelic
Purity of the substance: ≥99.8%
Physical properties: Crystals
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4f-MPH, or 4-Fluoromethylphenidate, belongs to the phenidate class of stimulants. Structurally, it is closely related to methylphenidate (Ritalin), a medication used to treat attention deficit hyperactivity disorder (ADHD). The "4f" in its name refers to the fluorine atom in the para position of the molecule. This structural alteration gives rise to unique effects and potency compared to its predecessor.

The History

The exact origins of 4f-MPH are not well-documented, but it is believed to have emerged in the early 21st century as part of the expanding realm of research chemicals. These compounds are often developed to mimic the effects of controlled substances while evading legal regulations. 4f-MPH was likely synthesized as an attempt to explore the potential cognitive-enhancing properties of methylphenidate derivatives.


The effects of 4f-MPH are primarily stimulant in nature. Researchers and users have reported increased focus, alertness, and wakefulness after its consumption. It is often compared to its parent compound, methylphenidate, albeit with greater potency and a longer duration of action. However, like many research chemicals, the full scope of its effects is not well understood, and caution is advised when considering its use.


Due to its high potency, 4f-MPH is often consumed in small doses. Oral ingestion is the most common method, with initial doses ranging from 5 to 10 milligrams. It's important to note that individual sensitivity can vary greatly, and a "less is more" approach is recommended. Users often titrate their dosage slowly to avoid overwhelming side effects. As with any research chemical, accurate measuring tools, such as milligram scales, are essential to ensure safe consumption.

Legal Status

The legal status of 4f-MPH varies from country to country. In many regions, it falls into a legal gray area due to its emergence as a research chemical after legislation was enacted to control more established substances. As such, its sale, possession, and use may not be explicitly regulated. However, staying informed about local laws and regulations is crucial to avoid legal complications.


4f-MPH's mechanism of action closely mirrors that of methylphenidate. It primarily functions as a dopamine and norepinephrine reuptake inhibitor, leading to increased levels of these neurotransmitters in the brain. This results in heightened arousal, improved concentration, and enhanced cognitive function. The fluorine substitution likely influences its potency and duration of action, but further research is needed to fully elucidate its pharmacological profile.


Chemically, 4f-MPH shares similarities with other compounds in the phenidate family. Its molecular structure consists of a phenyl ring attached to a piperidine ring, with the addition of a fluorine atom in the para position. This subtle alteration can significantly impact interactions with neural receptors and enzymes, leading to the compound's distinct effects.

Trip Reports

Trip reports, often shared by individuals who have experimented with 4f-MPH, provide anecdotal insights into the compound's effects. These reports vary widely, with some users praising its ability to enhance productivity and cognitive performance. In contrast, others caution about potential side effects such as increased heart rate, restlessness, and difficulty sleeping. Individual reactions can vary with any substance, making it essential to approach such reports skeptically.


4f-MPH stands as a testament to the ever-evolving landscape of research chemicals. Its origins, effects, and potential benefits are still being explored, and its legal status remains uncertain in many jurisdictions. As interest in cognitive enhancement and novel experiences grows, compounds like 4f-MPH remind us of the complexities and responsibilities inherent in such explorations. Whether delving into its chemistry, understanding its pharmacology, or contemplating its effects, 4f-MPH continues to captivate the curious minds of researchers and enthusiasts alike. However, it's crucial to approach it with caution, respect for safety, and a commitment to responsible usage.


What is 4-Fluoromethylphenidate (4F-MPH)?

4-Fluoromethylphenidate, often abbreviated as 4F-MPH, is a synthetic stimulant compound belonging to the substituted phenethylamine class. It is chemically related to methylphenidate, commonly known as Ritalin.

What are the common street names for 4F-MPH?

4F-MPH may be referred to by various street names, including "4F," "Fluoromethylphenidate," and "4-Fluoromethylmethylphenidate."

What is the legal status of 4F-MPH?

The legal status of 4F-MPH can vary from country to country and region to region. It is essential to research and understand the specific regulations and laws in your area before obtaining, possessing, or using 4F-MPH.

How is 4F-MPH typically used?

4F-MPH is often used as a research chemical and is not intended for human consumption. Some individuals may misuse it for its stimulant effects, but its safety and long-term effects on humans are not well-documented.

What are the potential effects of 4F-MPH?

The effects of 4F-MPH are similar to those of other stimulant drugs and may include increased alertness, focus, energy, and wakefulness. It can also lead to an increased heart rate, elevated blood pressure, and potential side effects such as anxiety, restlessness, and insomnia.

What are the risks associated with 4F-MPH use?

The use of 4F-MPH can be associated with various risks, including addiction, cardiovascular problems, and adverse psychological effects. It is essential to be aware of these risks and use the substance with caution, if at all.

Is 4F-MPH safe to use?

There is limited scientific research on the safety of 4F-MPH in humans. Due to its unregulated nature and potential risks, it is not recommended for use. Always prioritize safety and consult with a healthcare professional before using any substance.

Can 4F-MPH be used for medical purposes?

4F-MPH is not approved for medical use, and there are no established medical applications for this substance.

What should I do if I or someone I know is struggling with 4F-MPH misuse?

If you or someone you know is experiencing problems related to 4F-MPH use, seek help from a medical professional or addiction specialist. They can provide guidance on treatment and support options.

Where can I find more information about 4F-MPH?

It is essential to approach any information about 4F-MPH with caution and skepticism, as much of it may not be reliable. When seeking information, consult scientific sources and harm reduction organizations that focus on providing accurate and unbiased information related to substances like 4F-MPH.

Where to get 4F-MPH?

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