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4-CDC (Diophedrone): An Overview
Introduction
4-CDC (Diophedrone), scientifically known as 4-Chloro-α-Pyrrolidinobutiophenone or Diophedrone, is a synthetic stimulant belonging to the cathinone family. These substances are structurally and pharmacologically related to amphetamines and occur naturally in the khat plant (Catha edulis). In recent years, 4-CDC has emerged as a designer drug, typically sold online and in illicit markets as a research chemical.
Although it has gained popularity among certain user communities, its pharmacological profile, safety, and long-term effects remain largely undocumented in formal medical literature. This article offers a structured overview based on existing data, user reports, and its relationship to other cathinones.
Chemical Structure
- IUPAC Name: 1-(4-Chlorophenyl)-2-(methylamino)butan-1-one
- Molecular Formula: C11H14ClNO
- Molar Mass: 211.69 g/mol
- Chemical Class: Synthetic Cathinone, Phenethylamine
Structural Characteristics:
4-CDC is chemically related to other substituted cathinones like 4-MMC (Mephedrone) and 4-CMC (Clephedrone). Its structure features:
- A chlorophenyl group attached to a butanone backbone.
- A methylamino group on the α-carbon.
Chemical Structure (Simplified):
Cl
|
C6H4—C(=O)—CH(CH3)—NHCH3
Pharmacology
As a cathinone derivative, 4-CDC is believed to act as a monoamine releasing agent (MRA), predominantly affecting:
- Dopamine (DA)
- Norepinephrine (NE)
- Serotonin (5-HT)
However, detailed receptor-binding studies and pharmacokinetic profiles are unavailable due to its status as an unscheduled, unregulated research chemical in many regions.
Cathinones typically:
- Increase synaptic concentrations of monoamines by reversing transporter proteins.
- Produce euphoria, increased alertness, and stimulation.
Given its similarity to other 4-substituted cathinones, 4-CDC is suspected to have comparable potency but may carry enhanced risks of neurotoxicity, cardiovascular stress, and psychological side effects.
Effects
Positive Effects (Reported by Users):
- Euphoria
- Increased sociability
- Heightened energy and motivation
- Mild empathogenic qualities
- Enhanced tactile sensations
Negative Effects:
- Bruxism (jaw clenching)
- Anxiety and agitation
- Insomnia
- Paranoia at high doses
- Elevated heart rate and blood pressure
- Nausea and gastrointestinal discomfort
Aftereffects:
- Fatigue
- Low mood or dysphoria
- Cognitive fog
- Anxiety and irritability (commonly known as the “comedown”)
Dosage and Administration
Note: No medically approved dosages exist for 4-CDC, and all values are based on anecdotal user reports. As with all research chemicals, dosing carries inherent risks.
Oral Dosage (reported ranges):
- Threshold: 20–40 mg
- Light: 50–100 mg
- Common: 100–200 mg
- Heavy: 200+ mg
Insufflation (snorting) Dosage:
- Typically 30–50% of oral doses
- Often avoided due to nasal irritation
Onset and Duration (Oral):
- Onset: 20–45 minutes
- Peak: 1–2 hours
- Total duration: 4–6 hours
- Aftereffects: up to 12–24 hours
Analogues and Related Compounds
4-CDC belongs to a broader class of substituted cathinones and shares structural or pharmacological similarities with:
- 4-CMC (Clephedrone)
- 4-MMC (Mephedrone)
- 3-MMC
- Methylone (bk-MDMA)
- α-PVP
- 4-MEC
These compounds differ by specific substitutions (e.g., halogens, alkyl chains, or methylenedioxy groups) affecting their potency, duration, and safety profile.
Safety Considerations
Known Risks:
- Cardiotoxicity: Increased heart rate, hypertension, arrhythmias.
- Neurotoxicity: Potential for dopamine and serotonin depletion with repeated use.
- Addictive Potential: High risk of compulsive redosing.
- Psychological Effects: Anxiety, paranoia, and psychosis at high or repeated doses.
- Unknown Interactions: Dangerous when combined with alcohol, MAOIs, or other stimulants.
Harm Reduction Tips:
- Avoid high doses and frequent use.
- Do not combine with other stimulants.
- Stay hydrated but avoid overhydration.
- Use in a safe, comfortable environment with trusted company.
- Test substances using reagent kits.
Legal Status:
Varies by country. Many jurisdictions have generic laws covering substituted cathinones, meaning possession or distribution could carry legal consequences.
Conclusion
4-CDC (Diophedrone) is a potent synthetic stimulant with psychoactive effects resembling those of classic cathinones and amphetamines. While it offers euphoric and energizing effects, it carries significant health risks, especially concerning cardiovascular, neurological, and psychological safety. Due to limited clinical research, its long-term effects remain unknown.
As with all research chemicals, extreme caution, harm reduction practices, and legal awareness are imperative when handling or encountering 4-CDC.




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