≥98% (TLC), powder

(±)-4-[2-Hydroxy-3-[(1-methylethyl)amino]propoxy]benzeneacetamide, 4-[2′-Hydroxy-3′-(isopropylamino)propoxy]phenylacetamide
Empirical Formula (Hill Notation):
CAS Number:
Molecular Weight:
EC Number:
MDL number:
PubChem Substance ID:
Pricing and availability is not currently available.

Quality Level


≥98% (TLC)




white to off-white


H2O: 0.3 mg/mL
DMSO: 18 mg/mL
ethanol: 3.4 mg/mL



SMILES string




InChI key


Gene Information

human ... ADRB1(153)
rat ... Adrb1(24925)

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Atenolol is a β-adrenergic blocker and used in the management of hypertension. Atenolol has antianginal and antiarrhythmic properties.

Biochem/physiol Actions

Selective β1-adrenoceptor antagonist; antihypertensive; antianginal; antiarrhythmic.

Features and Benefits

This compound is featured on the β-Adrenoceptors page of the Handbook of Receptor Classification and Signal Transduction. To browse other handbook pages, click here.
This compound was developed by AstraZeneca. To browse the list of other pharma-developed compounds and Approved Drugs/Drug Candidates, click here.
This compound is also offered as part of Sigma′s Library of Pharmacologically Active Compounds (LOPAC®1280), a biologically annotated collection of high-quality, ready-to-screen compounds. Click here to learn more.

Other Notes

Shelf-life of the solid is at least three years.

Legal Information

LOPAC is a registered trademark of Sigma-Aldrich Co. LLC

Personal Protective Equipment

dust mask type N95 (US),Eyeshields,Gloves


NONH for all modes of transport

WGK Germany


Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificate of Analysis
Certificate of Origin
Ganesha Rai et al.
Journal of medicinal chemistry, 52(20), 6474-6483 (2009-09-19)
Schistosomiasis is a chronic parasitic disease affecting hundreds of millions of individuals worldwide. Current treatment depends on a single agent, praziquantel, raising concerns of emergence of resistant parasites. Here, we continue our explorations of an oxadiazole-2-oxide class of compounds we...
Hsin-Hui Chiu et al.
Mayo Clinic proceedings, 88(3), 271-276 (2013-01-17)
To assess the tolerability and efficacy of the investigational use of the angiotensin II receptor blocker losartan added to β-blockade (BB) to prevent progressive aortic root dilation in patients with Marfan syndrome (MFS). Between May 1, 2007, and September 31...
Ronald V Lacro et al.
American heart journal, 165(5), 828-835 (2013-04-30)
The Pediatric Heart Network designed a clinical trial to compare aortic root growth and other short-term cardiovascular outcomes in children and young adults with Marfan syndrome randomized to receive atenolol or losartan. We report here the characteristics of the screened...
Ronald V Lacro et al.
The New England journal of medicine, 371(22), 2061-2071 (2014-11-19)
Aortic-root dissection is the leading cause of death in Marfan's syndrome. Studies suggest that with regard to slowing aortic-root enlargement, losartan may be more effective than beta-blockers, the current standard therapy in most centers. We conducted a randomized trial comparing...
Laura M Kuyper et al.
The Canadian journal of cardiology, 30(5 Suppl), S47-S53 (2014-04-23)
Previous reviews have shown that β-blocker use for the treatment of hypertension without compelling indications was associated with increased risk of stroke in the elderly. It remains unclear whether this increased risk was driven by the type of β-blocker. We...

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