Levobetaxolol

Also known as: (-)-Betaxolol, (2S)-1-[4-[2-(Cyclopropylmethoxy)ethyl]phenoxy]-3-(isopropylamino)propan-2-ol, (2S)-1-[4-[2-(Cyclopropylmethoxy)ethyl]phenoxy]-3-(propan-2-ylamino)propan-2-ol, (S)-(-)-3-[4-[2-(Cyclopropylmethoxy)ethyl]phenoxy]-1-(isopropylamino)-2-propanol, (S)-(-)-3-[4-[2-(Cyclopropylmethoxy)]ethyl]phenoxy-1-(N-isopropylamino)-propan-2-ol, (S)-(-)-Betaxolol, (S)-1-[4-[2-(Cyclopropylmethoxy)ethyl]phenoxy]-3-[(1-methylethyl)amino]-2-propanol, (S)-Betaxolol, 2-Propanol, 1-[4-[2-(cyclopropylmethoxy)ethyl]phenoxy]-3-[(1-methylethyl)amino]-, (2S)-, Levobetaxolol [INN], UNII-75O9XHA4TU

Levobetaxolol (CAS 93221-48-8) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C18H29NO3 and a molecular weight of 307.42800 g/mol. Key properties include a melting point of 71-72ºC, a boiling point of 448ºC at 760 mmHg, a density of 1.067g/cm3 and a flash point of 224.7ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 93221-48-8
Jingsj CID: J-1714-1
Molecular Formula: C₁₈H₂₉NO₃
Molecular Weight: 307.42800 g/mol
Category: Organic Compounds
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	71-72ºC
Boiling Point	448ºC at 760 mmHg
Density	1.067g/cm3
Flash Point	224.7ºC
Exact Mass	307.21500
PSA	50.72000
LogP	2.78430
Refractive Index	1.529

Activity & Biological Data

Target	β1 adrenoceptor:33.2 nM (IC50) β2 adrenoceptor:2970 nM (IC50) β3 adrenoceptor:709 nM (IC50)
Additional Information	[1]. Sharif NA, et al. Levobetaxolol (Betaxon) and other beta-adrenergic antagonists: preclinical pharmacology, IOP-lowering activity and sites of action in human eyes. J Ocul Pharmacol Ther. 2001 Aug;17(4):305-17. [2]. Osborne NN, et al. Effectiveness of levobetaxolol and timolol at blunting retinal ischaemia is related to their calcium and sodium blocking activities: relevance to glaucoma. Brain Res Bull. 2004 Feb 15;62(6):525-8.

Target

β1 adrenoceptor:33.2 nM (IC50) β2 adrenoceptor:2970 nM (IC50) β3 adrenoceptor:709 nM (IC50)

Additional Information

[1]. Sharif NA, et al. Levobetaxolol (Betaxon) and other beta-adrenergic antagonists: preclinical pharmacology, IOP-lowering activity and sites of action in human eyes. J Ocul Pharmacol Ther. 2001 Aug;17(4):305-17. [2]. Osborne NN, et al. Effectiveness of levobetaxolol and timolol at blunting retinal ischaemia is related to their calcium and sodium blocking activities: relevance to glaucoma. Brain Res Bull. 2004 Feb 15;62(6):525-8.

Frequently Asked Questions

What is the CAS number of Levobetaxolol?

The CAS number of Levobetaxolol is 93221-48-8.

What are the molecular formula and molecular weight of Levobetaxolol?

Levobetaxolol has molecular formula C18H29NO3 and molecular weight 307.42800 g/mol.

What are the upstream and downstream products of Levobetaxolol?

For Levobetaxolol, Upstream Products: Diiodomethane, Isopropylamine, 2-(4-Benzyloxyphenyl)ethanol.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 8/21/2026

How to cite: Jingsj. "Levobetaxolol (CAS 93221-48-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1714-1 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.