4-Cl-MAR
Encyclopedic
Encyclopedic
Typical encyclopedia coverage. Cross-reference for important decisions.
- 3 corroborating sources
- 2 ROAs with full dose ladders
- duration data present
- 18 combo interactions documented
- classified Research-chemical
- dose data not in PW/TripSit (unverifiable)
- 3 corroborating sources
- 2 ROAs with full dose ladders
- duration data present
- 18 combo interactions documented
- classified Research-chemical
- dose data not in PW/TripSit (unverifiable)
Aliases: 4c-mar
Summary
4-Cl-MAR is a novel halogenated aminorex derivative with virtually no human safety data. Halogenated aminorexes may share neurotoxicity concerns seen with halogenated amphetamines. Anecdotal reports suggest inconsistent batch potency and minimal euphoria at doses below 150 mg.
Dose Information
Dose basis. Ranges are mostly from user reports; batches may vary widely in potency and may be misidentified. Start with an allergy test and titrate cautiously. Crystalline material may be hard on nasal mucosa; allergy test first (≤5–10 mg) and avoid repeated lines due to long action. (Dose figures and this note are from Drugs.Wiki.)
| ROA | Light | Common | Strong | Heavy |
|---|---|---|---|---|
| Oral | 40-80mg | 80-150mg | 150-200mg | 200mg+ |
| Insufflated | 10-25mg | 25-50mg | 50-80mg | 80mg+ |
Onset, Duration & After-effects
| ROA | Onset | Comeup | Peak | Offset | Total |
|---|---|---|---|---|---|
| Oral | 30-90 min | 1-2 hrs | 2-4 hrs | 4-6 hrs | 7.5-13.5 hrs |
| Insufflated | 5-15 min | 20-40 min | 2-4 hrs | 4-6 hrs | 6.41-10.92 hrs |
Effect Profile
Scores (1–10) curated from multiple sources:
- Effect keyword matching from PsychonautWiki catalog
- Weighted by importance: core (×3), major (×2), minor (×1)
Strong anxiety/jitters and stimulation with moderate focus, mild euphoria
Add to PsychonautWiki Journal
The PsychonautWiki Journal logging app doesn't include every substance. To track 4-Cl-MAR there, start adding an ingestion, search for the name, and choose to add it as a custom substance. Paste these values:
4-Cl-MAR Source: SubstanceSearch (substancesearch.com) Oral dose (mg): threshold 20-40 · light 40-80 · common 80-150 · strong 150-200 · heavy 200+ Insufflated dose (mg): threshold 10 · light 10-25 · common 25-50 · strong 50-80 · heavy 80+ Oral duration: onset 0.5-1.5h · come-up 1-2h · peak 2-4h · offset 4-6h · total 7.5-13.5h · after-effects 6-24h Insufflated duration: onset 5-15m · come-up 20-40m · peak 2-4h · offset 4-6h · total 6.41-10.92h · after-effects 6-24h Note: ranges are harm-reduction guidance, not a prescription. Start low, go slow, and test your substances.
Tip: for quicker logging you can also add a Custom Unit in the app, e.g. common dose ~ 115 mg (Oral).
The app keeps custom substances simple, so the full dose ranges live in the description text above. Ranges are harm-reduction guidance, not a prescription.
Tolerance
Tolerance Decay
Acute tolerance: develops within a single session — the reset numbers above apply after sustained heavy use, not after one binge. Within-session tachyphylaxis usually resets largely overnight.
Model reflects general stimulant patterns and self‑reports; exact kinetics unknown for 4C‑MAR.
Cross-Tolerances
Effects
- Stimulation
- Increased energy
- Increased heart rate
- Teeth grinding
- Insomnia
- Vasoconstriction
- Pupil dilation
- Increased blood pressure
- Increased perspiration
- Bruxism
- Focus enhancement
- Motivation enhancement
- Euphoria
- Wakefulness
- Increased sociability
- Alertness enhancement
- Anxiety
- Compulsive redosing
- Thought acceleration
- Talkativeness
- Increased libido
- Increased music appreciation
- Visual enhancement
- Tactile enhancement
- Appetite suppression
- Dehydration
- Light sensitivity
- Disinhibition
- Double vision
- Dulled perception
Combinations
Cross-Check 4-Cl-MAR with another substanceHelpful Links
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