Levalbuterol tartrate

Catalog No.S3153

For research use only.

Levalbuterol HCl is a relatively selective beta2-adrenergic receptor agonist used for the treatment of asthma.

Levalbuterol tartrate Chemical Structure

CAS No. 661464-94-4

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Biological Activity

Description Levalbuterol HCl is a relatively selective beta2-adrenergic receptor agonist used for the treatment of asthma.
In vivo Racemic albuterol (7.5 mg, bid) results in a greater improvement in their forced expiratory volume in 1 second (FEV1) as well as in their asthma scores after 1 hour of continuous treatment compared to the Levalbuterol (3.75 mg, bid) administration in children with asthma. The greater improvement in asthma scores is maintained after the second hour of continuous therapy in the racemic albuterol group but not for forced expiratory volume in 1 second (FEV1) measurements. [1] Levalbuterol (1.25 mg) requires significantly fewer median total nebulizations and scheduled nebulizations compared with those in the racemic albuterol (2.5 mg) group in patients with asthma or chronic obstructive pulmonary disease (COPD). Disease symptom assessment and subject general well-being score scores improves significantly from baseline in both levalbuterol (1.25 mg) and racemic albuterol (2.5 mg) treatment groups, and beta-mediated adverse effects mean scores are significantly greater with levalbuterol versus racemic albuterol. [2]

Protocol (from reference)

Solubility (25°C)

In vitro

DMSO 100 mg/mL
(159.05 mM)
Water 100 mg/mL
(159.05 mM)
Ethanol Insoluble

Chemical Information

Molecular Weight 628.71
Formula

C30H48N2O12

CAS No. 661464-94-4
Storage 3 years -20°C powder
2 years -80°C in solvent
Smiles CC(C)(C)NCC(C1=CC(=C(C=C1)O)CO)O.C(C(C(=O)O)O)(C(=O)O)O

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Method for preparing in vivo formulation: Take μL DMSO master liquid, next addμL PEG300, mix and clarify, next addμL Tween 80, mix and clarify, next add μL ddH2O, mix and clarify.

Method for preparing in vivo formulation: Take μL DMSO master liquid, next add μL Corn oil, mix and clarify.

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