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

MedKoo CAT#: 576461

CAS#: 53034-85-8

Description: Ibuterol is the diisobutyrate ester of terbutaline and a symphaticomimetic and bronchodilator.

Chemical Structure

CAS# 53034-85-8

Theoretical Analysis

MedKoo Cat#: 576461
Name: Ibuterol
CAS#: 53034-85-8
Chemical Formula: C20H31NO5
Exact Mass: 365.2202
Molecular Weight: 365.47
Elemental Analysis: C, 65.73; H, 8.55; N, 3.83; O, 21.89

Price and Availability

This product is not in stock, which may be available by custom synthesis. For cost-effective reason, minimum order is 1g (price is usually high, lead time is 2~3 months, depending on the technical challenge). Quote less than 1g will not be provided. To request quote, please email to sales @medkoo.com or click below button.
Note: Price will be listed if it is available in the future.

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Synonym: Ibuterol; KWD 2058; KWD2058; KWD-2058

IUPAC/Chemical Name: 2-Methylpropanoicacid 5-(2-((1,1-dimethylethyl)amino)-1-hydroxy ethyl)-1,3-phenylene ester


InChi Code: InChI=1S/C20H31NO5/c1-12(2)18(23)25-15-8-14(17(22)11-21-20(5,6)7)9-16(10-15)26-19(24)13(3)4/h8-10,12-13,17,21-22H,11H2,1-7H3

SMILES Code: CC(C)C(=O)Oc1cc(OC(=O)C(C)C)cc(c1)C(O)CNC(C)(C)C

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 365.47 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

Molarity Calculator

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Reconstitution Calculator

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Dilution Calculator

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1. Höglund E, Westling H, White T. Circulatory effects of oral and subcutaneous administration in normal subjects of a new bronchodilator, ibuterol, a pro-drug to terbutaline. Br J Pharmacol. 1976 Sep;58(1):43-6. doi: 10.1111/j.1476-5381.1976.tb07691.x. PMID: 974376; PMCID: PMC1667123.

2. Andersson P. Bronchospasmolytic and cardiovascular effects in anaesthetized cats of ibuterol and terbutaline given intravenously and after inhalation: drug and prodrug compared. Acta Pharmacol Toxicol (Copenh). 1976 Aug;39(2):225-31. doi: 10.1111/j.1600-0773.1976.tb03173.x. PMID: 947299.