4F-MPH Crystal


Please, check the legality in your area before placing your order. We only ship to researchers where the product is legal.

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Product information

IUPAC-name      Methyl 2-(4-fluorophenyl)-2-(piperidin-2-yl)acetate

Synonyms        4-FMPH, 4F-MPH,

Formal name      (αR,2R)-relα-(4-fluorophenyl)-2-piperidineacetic acid, methyl ester,

Cas number     1354631-33-6

Formula             C14H18FNO2 • HCl

Formula Weight    287.8

Formulation      A neat solid

Purity                 98.0 % min.
Appearance       A crystalline solid


  • DMF: 30 mg/ml
  • DMSO: 30 mg/ml
  • Ethanol: 30 mg/ml
  • PBS (pH 7.2): 10 mg/ml
Shipping & Storage Information
Storage  -20°C
Shipping  Room Temperature in continental US; may vary elsewhere
Stability   ≥ 2 years

4-Fluoromethylphenidate (4F-MPH) is a stimulant with high Characteristics of potency dopamine reuptake inhibitor than the methylphenidate. It is also considered an analytical reference material with a structure that falls under phenethylamine. It is also referred to as 4-FMPH and it is highly related to methylphenidate.

Not much is known about the pharmacological and toxicological properties of (±)-threo-4-Fluoromethylphenidate (hydrochloride). 4-FMPH has been reported as being sold as a designer drug to replace some restricted substances. Usage of this compound should be for research and forensic purposes only.

WARNING This product is not for human or veterinary use.

This product is only available to persons of 21 years old and above.
Hazard statement(s)
H302 Harmful if swallowed
H315 Causes skin irritation
H319 Causes serious eye irritation
H332 Harmful if inhaled
H335 May cause respiratory irritation
H336 May cause drowsiness or dizziness
Precautionary statement(s)
P264 Wash hands thoroughly after handling
P280 Wear protective gloves/protective clothing/eye protection/face protection
P305 + P351 + P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
P337 + P313 If eye irritation persists: Get medical advice/attention
P261 Avoid breathing dust/ fume/ gas/ mist/ vapors/ spray
P271 Use only outdoors or in a well-ventilated area
P304 + P340 IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing
P312 Call a POISON CENTER or doctor/physician if you feel unwell
P403 + P233 Store in a well-ventilated place. Keep container tightly closed
P405 Store locked up
P501 Dispose of contents/container to a licensed disposal company

Additional information


10g, 25g, 50g, 100g, 250g, 500g, 1000g


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