4-(2-(4,4-Dimethyl-4,5-dihydrooxazol-2-yl)propan-2-yl)phenethyl 4-methylbenzenesulfonate

CAS NO.：202189-76-2
Empirical Formula: C23H29NO4S
Molecular Weight: 415.55
MDL number: MFCD11046409
EINECS: 606-467-2
SAFETY DATA SHEET (SDS)
Update Date: 2026-05-28 06:28:03

What is 4-(2-(4,4-Dimethyl-4,5-dihydrooxazol-2-yl)propan-2-yl)phenethyl 4-methylbenzenesulfonate?

The Uses of 4-(2-(4,4-Dimethyl-4,5-dihydrooxazol-2-yl)propan-2-yl)phenethyl 4-methylbenzenesulfonate

4-(2-(4,4-Dimethyl-4,5-dihydrooxazol-2-yl)propan-2-yl)phenethyl 4-methylbenzenesulfonate (or Benzeneethanol, 4-[1-(4,5-dihydro-4,4-dimethyl-2-oxazolyl)-1-methylethyl]-, 4-methylbenzenesulfonate (ester)) is an intermediate used in the synthesis of Bilastine-d6 (B385002), which is labelled Bilastine. It is a novel, nonsedating H1-antihistamine developed for symptomatic treatment of allergic rhinitis and chronic idiopathic urticaria.

Properties of 4-(2-(4,4-Dimethyl-4,5-dihydrooxazol-2-yl)propan-2-yl)phenethyl 4-methylbenzenesulfonate

Boiling point:	545.1±45.0 °C(Predicted)
Density	1.14±0.1 g/cm3(Predicted)
vapor pressure	0Pa at 25℃
storage temp.	2-8°C
solubility	soluble in Dichloromethane;
pka	5.78±0.70(Predicted)
Water Solubility	5.717μg/L at 25℃
InChI	InChI=1S/C23H29NO4S/c1-17-6-12-20(13-7-17)29(25,26)28-15-14-18-8-10-19(11-9-18)23(4,5)21-24-22(2,3)16-27-21/h6-13H,14-16H2,1-5H3

Safety information for 4-(2-(4,4-Dimethyl-4,5-dihydrooxazol-2-yl)propan-2-yl)phenethyl 4-methylbenzenesulfonate

Signal word	Warning
Pictogram(s)	Exclamation Mark Irritant GHS07
GHS Hazard Statements	H302:Acute toxicity,oral H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation
Precautionary Statement Codes	P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

Computed Descriptors for 4-(2-(4,4-Dimethyl-4,5-dihydrooxazol-2-yl)propan-2-yl)phenethyl 4-methylbenzenesulfonate

InChIKey	BGUOPDZOVDIWLE-UHFFFAOYSA-N
SMILES	C(C1C=CC(CCOS(C2C=CC(C)=CC=2)(=O)=O)=CC=1)(C1OCC(C)(C)N=1)(C)C

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