Arecoline Hydrobromide CAS 300-08-3
Muscarinic Acetylcholine Receptor Agonist
Arecoline hydrobromide (CAS 300-08-3) is the hydrobromide salt of arecoline, a natural alkaloid from areca nut and a muscarinic acetylcholine receptor agonist (partial agonist at M1/M2/M3). It stimulates cholinergic signaling in cognition, gastrointestinal motility and parasympathetic research. The HBr salt improves handling and solubility. Formula C8H14BrNO2, MW 236.11. Research-grade with COA.
Molecular Information
CAS: 300-08-3
Formula: C8H14BrNO2
MW: 236.11 g/mol
Class: Muscarinic ACh receptor agonist
Core: Tetrahydropyridine carboxylate (HBr salt)
Target: Muscarinic ACh receptors (M1/M2/M3)
Activity: Cholinergic stimulation
MP: Not firmly reported
Appearance: White to off-white crystalline powder
Synonyms: Arecoline HBr
Storage: -20°C, protect from light
Product Technical Specifications
Complete physicochemical properties and QC parameters for Arecoline Hydrobromide (CAS 300-08-3)
📋 Physicochemical Properties
- Product NameArecoline Hydrobromide
- IUPAC Namemethyl 1-methyl-3,6-dihydro-2H-pyridine-3-carboxylate;hydrobromide
- CAS Number300-08-3
- SynonymsArecoline hydrobromide; Arecoline HBr
- Molecular FormulaC8H14BrNO2
- Molecular Weight236.11 g/mol
- SourceBotanical alkaloid (areca) / semi-synthetic
- AppearanceWhite to off-white crystalline powder
- Water SolubilityGood (hydrobromide salt)
- Organic SolubilityDMSO; ethanol
- Compound ClassMuscarinic acetylcholine receptor agonist
- HS Code2934.99
🔬 Quality Control & Handling
- Purity (HPLC)≥98%
- FormCrystalline powder (hydrobromide salt)
- Primary TargetMuscarinic ACh receptors (M1/M2/M3)
- Assay ReadoutCholinergic / motility readouts
- SelectivityPartial muscarinic (M1/M2/M3) agonist
- Storage Condition-20°C, sealed, protect from light
- Solution StabilityAqueous/DMSO stock stable at -20°C
- ShippingRoom temp / cold chain
- QC DocumentationCOA / HPLC / NMR / MS / MSDS
- Pack Sizes100mg / 500mg / 1g / 5g / 10g
- Stock StatusIn Stock
- Use StatementResearch use only; not for human/clinical use
Key Molecular Targets & Pathway Nodes
Arecoline Hydrobromide engages the molecular machinery and pathway nodes that define its research utility.
How Arecoline Works: Stimulating the Cholinergic System
Arecoline activates muscarinic acetylcholine receptors, driving parasympathetic and cognitive effects
Agonism of Muscarinic ACh Receptors
Arecoline is a muscarinic acetylcholine receptor agonist (partial agonist at M1/M2/M3 subtypes), mimicking the endogenous neurotransmitter acetylcholine.
Activation of Cholinergic & Parasympathetic Pathways
Receptor activation stimulates cholinergic neurotransmission and parasympathetic responses — including smooth-muscle and secretory activity.
Cognitive, Motor & GI Phenotypes
In research, arecoline is used to probe cognition, attention and gastrointestinal motility, and as a cholinergic probe in pharmacology and natural-product studies.
⚖️ Arecoline Hydrobromide vs Comparators
- Arecoline (this product)Natural muscarinic (M1/M2/M3) agonist
- PilocarpineMuscarinic agonist (M3-focused)
- BethanecholMuscarinic agonist (GI/bladder)
- Selective EdgePartial agonist; natural alkaloid
- Research NicheCholinergic & cognition / GI
♻️ Downstream Biological Consequences
- ReceptorMuscarinic M1/M2/M3 on
- NeuroCholinergic transmission up
- ParasympatheticSecretory / motor effects
- CognitionAttention / memory readouts
- GIMotility increased
- ModelsCholinergic pharmacology
Research Applications & Models
Arecoline is a classic cholinergic probe for cognition, motility and receptor studies.
Cholinergic / Cognition Research
Probes acetylcholine signaling in learning, memory and attention models.
CognitionMuscarinic Receptor Profiling
Benchmarks M1/M2/M3 agonism and SAR.
MuscarinicGI Motility Models
Studied for parasympathetic smooth-muscle and motility effects.
GI MotilityParasympathomimetic Studies
Investigates parasympathetic physiology.
ParasympatheticNatural-Product Pharmacology
Areca / betel alkaloid research and toxicology.
NaturalReceptor Assay Development
Functional muscarinic assays and screening.
AssaysKey Literature & Landmark Publications
Landmark work on arecoline, muscarinic receptors and cholinergic pharmacology.
Available Sizes & Ordering
Research-grade Arecoline Hydrobromide (CAS 300-08-3) with full QC documentation; standard packs and bulk custom quantities supported.
| Tier | Pack Size | Stock Status | Suitable For | Lead Time |
|---|---|---|---|---|
| Standard | 100mg | In Stock | Receptor / cholinergic assays | Same/next-day ship |
| Medium | 500mg | In Stock | Cell & binding studies | Same/next-day ship |
| Large | 1g | In Stock | In vivo models | Same/next-day ship |
| Bulk | 5g | In Stock | Screening & formulation | Quote to confirm |
| Industrial | 10g+ | Made to order | Process development | Batch delivery |
💡 Reference sizes shown above; for exact pricing and availability please contact us for a quote. Bulk orders qualify for tiered discounts.
Frequently Asked Questions (FAQ)
What is arecoline hydrobromide and what does it do?
Why is it supplied as the hydrobromide?
What is arecoline researched for?
What readouts confirm activity?
How soluble is arecoline HBr and how should it be prepared?
Is QC documentation provided?
Need Arecoline Hydrobromide for Your Research?
Research-grade Arecoline Hydrobromide (CAS 300-08-3) — purity ≥98% HPLC, COA included
Muscarinic (M1/M2/M3) Agonist — request a quote today




