Mapenterol HCl

    WARNING: This product is for research use only, not for human or veterinary use.

MedKoo CAT#: 464939

CAS#: 54238-51-6

Description: Mapenterol is an agonist of β2-adrenergic receptors (β2-ARs). It has been used as a standard for the simultaneous detection of multiple drug residues in commercial livestock synovial fluids by GC-MS. It has been used as an illicit feed additive to promote growth in livestock.

Chemical Structure

Mapenterol HCl
CAS# 54238-51-6

Theoretical Analysis

MedKoo Cat#: 464939
Name: Mapenterol HCl
CAS#: 54238-51-6
Chemical Formula: C14H21Cl2F3N2O
Exact Mass:
Molecular Weight: 361.2302
Elemental Analysis: C, 46.55; H, 5.86; Cl, 19.63; F, 15.78; N, 7.76; O, 4.43

Price and Availability

Size Price Availability Quantity
5.0mg USD 240.0 2 Weeks
10.0mg USD 390.0 2 Weeks
25.0mg USD 600.0 2 Weeks
50.0mg USD 930.0 2 Weeks
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Synonym: Mapenterol HCl; Mapenterol hydrochloride;

IUPAC/Chemical Name: 1-(4-amino-3-chloro-5-(trifluoromethyl)phenyl)-2-(tert-pentylamino)ethan-1-ol hydrochloride


InChi Code: InChI=1S/C14H20ClF3N2O.ClH/c1-4-13(2,3)20-7-11(21)8-5-9(14(16,17)18)12(19)10(15)6-8;/h5-6,11,20-21H,4,7,19H2,1-3H3;1H


Appearance: Solid powder

Purity: >98% (or refer to the Certificate of Analysis)

Shipping Condition: Shipped under ambient temperature as non-hazardous chemical. This product is stable enough for a few weeks during ordinary shipping and time spent in Customs.

Storage Condition: Dry, dark and at 0 - 4 C for short term (days to weeks) or -20 C for long term (months to years).

Solubility: To be determined

Shelf Life: >2 years if stored properly

Drug Formulation: To be determined

Stock Solution Storage: 0 - 4 C for short term (days to weeks), or -20 C for long term (months).

HS Tariff Code: 2934.99.9001

Preparing Stock Solutions

The following data is based on the product molecular weight 361.2302 Batch specific molecular weights may vary from batch to batch due to the degree of hydration, which will affect the solvent volumes required to prepare stock solutions.

Recalculate based on batch purity %
Concentration / Solvent Volume / Mass 1 mg 5 mg 10 mg
1 mM 1.15 mL 5.76 mL 11.51 mL
5 mM 0.23 mL 1.15 mL 2.3 mL
10 mM 0.12 mL 0.58 mL 1.15 mL
50 mM 0.02 mL 0.12 mL 0.23 mL

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2: Zhao L, Yang S, Cheng Y, Hou C, You X, Zhao J, Zhang Y, He W. Identification of transcriptional biomarkers by RNA-sequencing for improved detection of β2-agonists abuse in goat skeletal muscle. PLoS One. 2017 Jul 26;12(7):e0181695. doi: 10.1371/journal.pone.0181695. PMID: 28746361; PMCID: PMC5528896.

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4: Bi S, Zhao T, Wang Y, Zhou H. Study on the interactions of mapenterol with serum albumins using multi-spectroscopy and molecular docking. Luminescence. 2016 Mar;31(2):372-379. doi: 10.1002/bio.2969. Epub 2015 Jul 14. PMID: 26179292.

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