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Amfexa — Research & Analytical Reference Information

Synonyms

• Dexamfetamine (active substance)
• Dexamphetamine
• Dextroamphetamine
• (+)-Amphetamine
• Amfetamine enantiomer (S-enantiomer)
• Amfexa Tablets (brand/medicinal product name)

CAS Number (Active Ingredient)

300-62-9 (Dexamfetamine)

Molecular Formula & Structure

• Formula: C₉H₁₃N (for dexamfetamine base)
• Chemical Class: Phenethylamine derivative; central nervous system stimulant
• Structure Notes:
  Amfexa contains dexamfetamine, the dextro-rotatory isomer of amphetamine, known for higher activity at monoamine transporters.
  (Researchers can refer to chemical databases for structural diagrams.)

Purity & Grade

• Purity: ≥ 98% (research/analytical grade for laboratory reference material)
• Form: Powder, crystalline material, or standardized reference solution depending on supplier
• Intended Use: Analytical, pharmacological, and forensic laboratory research only.

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Physical & Chemical Properties

• Appearance: White to off-white crystalline powder
• Melting Point: ~150–155°C (for dexamfetamine sulfate form)
• Solubility:
  • Soluble in ethanol and methanol
  • Soluble in water (especially its salt forms)
• Stability: Stable under typical laboratory storage; sensitive to moisture and prolonged light exposure

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Safety & Handling Information

Amfexa (dexamfetamine) is a controlled stimulant substance and must be handled with strict laboratory protocols.

Potential Hazards

• May cause skin or eye irritation
• Dust inhalation may irritate respiratory system
• Handle powders with caution
• Strictly avoid accidental ingestion or improper exposure

Required PPE

• Gloves (nitrile recommended)
• Lab coat
• Protective eyewear
• Use fume hood or controlled ventilation

First-Aid Measures

• Skin Contact: Rinse with water and mild soap
• Eye Contact: Rinse for 10–15 minutes with clean water
• Inhalation: Move to fresh air; monitor for symptoms
• Ingestion: Seek immediate medical attention

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Research Uses & Applications

Amfexa’s active substance, dexamfetamine, is commonly used in scientific environments for:

Primary Research Areas

• Neurochemical studies involving dopamine and norepinephrine pathways
• Pharmacokinetic and pharmacodynamic modelling
• Forensic toxicology
• Reference standard in LC-MS/MS and GC-MS analytical calibration
• Studies involving psychostimulant structure–activity relationships (SAR)

This compound is not intended for human use or self-administration within a research-chemical context.

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Regulatory Information

Amfexa (dexamfetamine) is a controlled psychostimulant in many jurisdictions and may require special licensing for laboratory possession.
Regulations differ by region; researchers must comply with all applicable laws and institutional guidelines.

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Storage Guidelines

• Store in a cool, dry environment
• Keep container airtight and protected from moisture
• Avoid direct sunlight and excessive heat
• Use desiccants when needed for long-term stability

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Extended Chemical Background

Dexamfetamine — the active component in Amfexa — is the dextrorotatory enantiomer of amphetamine.
Notable characteristics include:

• High affinity for dopamine and norepinephrine transporters
• Used frequently as a reference compound in psychostimulant research
• Important in studies of monoamine release, transporter blockade, and CNS stimulation
• Valuable for mass spectrometric identification in toxicology panels

Its well-characterized profile makes it a core molecule for neurochemical, analytical, and forensic research.

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Amfexa (dexamfetamine) is a high-purity research compound used for analytical, forensic, and neuropharmacological studies. Learn about its chemical structure, safety data, properties, and storage requirements.

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FAQ 

1. What is Amfexa?

Amfexa is a medicinal product name for formulations containing dexamfetamine, a well-characterized stimulant used in research and analytical environments.

2. What is the purity of research-grade Amfexa materials?

Analytical-grade dexamfetamine materials are typically ≥98% pure for laboratory applications.

3. What type of research is Amfexa used for?

It is used in neurochemical modelling, analytical calibration, forensic toxicology, and stimulant SAR studies.

4. Is Amfexa intended for human consumption on RC sites?

No. In a research-chemical context, Amfexa/dexamfetamine is for laboratory use only and not for therapeutic or personal use.

5. How should Amfexa be stored?

Store in a cool, dry, sealed container away from light and moisture.

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