What Is Clenbuterol?
Clenbuterol is a synthetic β2-adrenergic receptor agonist widely studied in laboratory and preclinical research settings. It is structurally distinct from classical stimulants and is primarily researched for its effects on adrenergic signaling, metabolic rate modulation, and smooth muscle relaxation pathways.
Clenbuterol is not approved for human consumption and is offered strictly as a research-use-only (RUO) compound.
Chemical & Research Properties
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Chemical Name: Clenbuterol Hydrochloride
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Molecular Formula: C₁₂H₁₈Cl₂N₂O
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Molecular Weight: 277.19 g/mol
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Compound Class: β2-Adrenergic Agonist
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Solubility: Soluble in polar solvents such as ethanol and DMSO
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Stability: Stable under dry, cool, and light-protected storage conditions
These characteristics make Clenbuterol suitable for controlled experimental environments and receptor-binding studies.
Mechanism of Action (Research Context)
In research models, Clenbuterol selectively binds to β2-adrenergic receptors, leading to:
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Increased cyclic AMP (cAMP) signaling
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Enhanced lipolytic pathway activation
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Modulation of thermogenic signaling cascades
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Smooth muscle relaxation responses
Due to its receptor selectivity, Clenbuterol is commonly studied in metabolic, respiratory, and adrenergic system research.
Common Research Applications
Clenbuterol is frequently referenced in laboratory research involving:
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β-adrenergic receptor signaling pathways
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Metabolic rate and energy expenditure models
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Muscle fiber composition studies
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Bronchodilatory mechanism research
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Sympathetic nervous system activity analysis
These applications are strictly confined to in vitro and animal-model research settings.
Handling & Storage Guidelines
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Store in a cool, dry environment
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Protect from moisture and direct light
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Use appropriate PPE and laboratory controls
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Not intended for ingestion or therapeutic use
Always follow institutional research handling protocols.
Research-Use Disclaimer
This product is sold for research purposes only.
Not for human or veterinary use.
Not a dietary supplement, drug, or cosmetic.
The buyer assumes all responsibility for proper handling and compliance with applicable regulations.
Frequently Asked Questions (FAQ)
Is Clenbuterol approved for human use?
No. Clenbuterol is not FDA-approved for human consumption and is sold strictly for research use.
Is Clenbuterol a stimulant?
In research contexts, it is classified as a β2-adrenergic agonist, not a classical CNS stimulant.
Can Clenbuterol be used in metabolic studies?
Yes, it is commonly referenced in metabolic and adrenergic signaling research models.
How should Clenbuterol be stored?
Store sealed, dry, and protected from light at controlled temperatures.
| CAS Number | 21898-19-1 |
| Other Names | 4-Amino-α-(t-butylaminomethyl)-3,5-dichlorobenzyl alcohol hydrochloride |
| Molecular Formula | C12H18Cl2N2O |
| Molecular Weight | 313.65 |
| Dry-Fill Capsule Concentration | 40mcg |
| Liquid Concentration And Solution | 80mcg/ml Propylene Glycol |









