4F-pihp

4F-PIHP: Research Chemical Profile, Effects, and Legal Status

4F-PIHP (4-fluoro-α-pyrrolidinoisohexanophenone) is a synthetic stimulant from the cathinone class of compounds. Structurally related to compounds like α-PHP and 4F-PHP, 4F-PIHP has been encountered in laboratory and forensic settings, where it is used strictly for analytical and scientific research.

This compound is known for its pyrrolidine ring and 4-fluoro substitution on the phenyl ring, both of which can influence its potency, duration, and pharmacological behavior.

Chemical Information

• IUPAC Name: 1-(4-fluorophenyl)-2-(pyrrolidin-1-yl)hexan-1-one

• Molecular Formula: C16H24FNO

• Class: Substituted cathinone, stimulant

Reported Effects

Due to a lack of formal human or animal studies, the precise effects of 4F-PIHP remain uncertain. However, based on its similarity to other pyrrolidinophenones, researchers and forensic labs have noted several possible effects when handled in controlled environments:

• Stimulant-like activity

• Increased alertness or wakefulness

• Elevated energy levels

• Enhanced focus or productivity

• Potential for euphoria or mood alteration

These effects are speculative and anecdotal. 4F-PIHP is not approved for human consumption, and any use outside of laboratory settings can pose serious health and legal risks.

Safety and Handling

4F-PIHP should only be handled by trained professionals in properly equipped laboratory environments. Due to the structural similarities to other potent synthetic stimulants, potential risks may include:

• Overstimulation of the central nervous system

• Cardiovascular strain (e.g., elevated heart rate, hypertension)

• Anxiety, paranoia, or agitation

• High potential for compulsive use if misused

• Unknown long-term toxicity

There is no known antidote or approved medical use for 4F-PIHP. All safety protocols for research chemicals should be strictly followed, including the use of PPE, chemical ventilation systems, and secure storage.

Legal Status

The legality of 4F-PIHP is evolving. In many countries, it is treated as either a controlled substance or an analog of already-banned cathinones. Legal classifications may include:

• United States: Not scheduled federally, but could fall under the Federal Analog Act

• United Kingdom: Likely controlled under the Psychoactive Substances Act

• Germany and EU: Covered by blanket bans on new psychoactive substances

• China and Australia: Likely illegal due to cathinone analog laws

Researchers should confirm the current legal status of 4F-PIHP in their jurisdiction before ordering, possessing, or working with the substance.

Intended for Research Use Only

All information provided here is for scientific, forensic, and analytical research purposes only. 4F-PIHP is not intended for human or veterinary consumption. Unauthorized use may result in serious legal penalties and health consequences.