Description

R,R-Fenoterol is a highly selective and potent β-2 adrenergic receptor agonist. This compound is a specific stereoisomer of fenoterol, prized for its enhanced pharmacological activity and purity profile. It is a critical intermediate and reference standard in the research and development of advanced bronchodilator therapies. This product is essential for pharmaceutical R&D laboratories, analytical testing facilities, and manufacturers of active pharmaceutical ingredients (APIs) targeting respiratory conditions.

Application

• Primary use as a pharmaceutical reference standard for analytical method development and validation.
• Critical intermediate in the synthesis of high-purity, stereospecific active pharmaceutical ingredients (APIs).
• Biochemical research tool for studying β-2 adrenergic receptor mechanisms and signaling pathways.
• Used in the development and quality control of bronchodilator medications for asthma and COPD.
• Key material in preclinical and clinical research for next-generation respiratory therapeutics.

Basic Information

Product Name	R,R-Fenoterol
CAS No.	69421-37-0
Molecular Formula	C17H21NO4
Molecular Weight	303.35 g/mol
Synonyms	(R,R)-Fenoterol; (R,R)-Fenoterol Hydrobromide (common salt form); 1-(3,5-Dihydroxyphenyl)-2-[[(2R)-2-(4-hydroxyphenyl)-1-methylethyl]amino]ethanol; (R,R)-TH 1165a; Berotec (stereoisomer); (+)-(R,R)-Fenoterol; (R,R)-Formoterol related compound
EINECS	Contact for details

Quality Control

Our R,R-Fenoterol is manufactured under strict quality management systems. Every batch undergoes comprehensive analytical testing, including chiral purity verification by HPLC, to ensure it meets the stringent requirements for pharmaceutical research and development. A detailed Certificate of Analysis (COA) is provided with each shipment, confirming identity, purity, and compliance with relevant specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at controlled room temperature (typically 15-25°C). The product is hygroscopic (moisture-sensitive) and should be handled under appropriate conditions to maintain stability.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to reference spectrum
Identification (HPLC)	Retention time matches reference standard
Assay (HPLC)	≥98.0% (anhydrous basis)
Chiral Purity (HPLC)	≥99.0% (R,R-isomer)
Water Content (KF)	≤1.0%
Residue on Ignition	≤0.1%
Heavy Metals	≤20 ppm

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.