Discontinued Product

Unfortunately Clenbuterol (Cat. No. 0688) has been withdrawn from sale for commercial reasons.
Cat.No. 0688 - Clenbuterol | CAS No. 37148-27-9
Description: b2 agonist
Chemical Name: 4-Amino-a-[(tert-butylamino)methyl]-3,5-dichlorobenzylalcohol

Biological Activity

β 2 agonist (Ki values are 60, 190 and 1100 nM for β 2, β 1 and β 3 receptors respectively). Bronchodilator, tocolytic.

Technical Data

M. Wt 277.19
Storage Store at RT
CAS Number 37148-27-9

The technical data provided above is for guidance only. For batch specific data refer to the Certificate of Analysis.

All Tocris products are intended for laboratory research use only.

Preparing Stock Solutions

The following data is based on the product molecular weight 277.19. Batch specific molecular weights may vary from batch to batch due to solvent of hydration, which will affect the solvent volumes required to prepare stock solutions.

Concentration / Solvent Volume / Mass 1 mg 5 mg 10 mg
1 mM 3.61 mL 18.04 mL 36.08 mL
5 mM 0.72 mL 3.61 mL 7.22 mL
10 mM 0.36 mL 1.8 mL 3.61 mL
50 mM 0.07 mL 0.36 mL 0.72 mL

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Product Datasheets

Certificate of Analysis is currently unavailable
on-line. Please contact Customer Service
Safety Datasheet


References are publications that support the products' biological activity.

Marin and Balfagon (1998) Effect of clenbuterol on non-endothelial nitric oxide release in rat mesenteric arteries and the involvement of β-adrenoceptors. Br.J.Pharmacol. 124 473 PMID: 9647470

Strosberg and Pietri-Rouxel (1996) Function and regulation of the β3 adrenoceptor. TiPS 17 373 PMID: 8979772

Merck Index 12 2407 PMID:

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Keywords: Clenbuterol, supplier, Adrenergic, Beta-2, Receptors, Adrenergic, Beta-2, Receptors, Tocris Bioscience

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