Darifenacin hydrobromide

Also known as: Darifenacin HBr, UK-88525, Emselex, Enablex, 2-{(3S)-1-[2-(2,3-dihydro-1-benzofuran-5-yl)ethyl]pyrrolidin-3-yl}-2,2-diphenylacetamide hydrobromide, (3S)-1-[2-(2,3-dihydro-5-benzofuranyl)ethyl]-α,α-diphenyl-3-pyrrolidineacetamide hydrobromide, 2-[(3S)-1-[2-(2,3-dihydro-1-benzofuran-5-yl)ethyl]pyrrolidin-3-yl]-2,2-diphenylacetamide hydrobromide, 3-Pyrrolidineacetamide, 1-[2-(2,3-dihydro-5-benzofuranyl)ethyl]-α,α-diphenyl-, (3S)-, hydrobromide (1:1)

Darifenacin hydrobromide (CAS 133099-07-7) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C28H31BrN2O2 and a molecular weight of 507.46 g/mol. Key properties include a melting point of 228-230ºC, a boiling point of 614.3ºC at 760 mmHg and a flash point of 325.3ºC. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 133099-07-7
Jingsj CID: J-1961677-4
Molecular Formula: C₂₈H₃₁BrN₂O₂
Molecular Weight: 507.46 g/mol
Category: Organic Acids
Last updated: 8/21/2026

Request MSDS / TDS

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point	228-230ºC
Boiling Point	614.3ºC at 760 mmHg
Flash Point	325.3ºC
PSA	41.57000
LogP	5.94630
Vapor Pressure	1.11E-16mmHg at 25°C
Storage Conditions	-20°C Freezer

GHS Safety & Compliance

IrritantSignal word: Warning

H315 — Causes skin irritation
H319 — Causes serious eye irritation
H335 — May cause respiratory irritation

Activity & Biological Data

Additional Information	[1]. Hegde SS, et al. Functional role of M2 and M3 muscarinic receptors in the urinary bladder of rats in vitro and in vivo. Br J Pharmacol, 1997, 120(8), 1409-1418. [2]. Miller DW, et al. Evaluation of drug efflux transporter liabilities of darifenacin in cell culture models of the blood-brain and blood-ocular barriers. Neurourol Urodyn, 2011, 30(8), 1633-1638. [3]. Iijima K, et al. Effects of the M3 receptor selective muscarinic antagonist darifenacin on bladder afferent activity of the rat pelvic nerve. Eur Urol, 2007, 52(3), 842-847.

Additional Information

[1]. Hegde SS, et al. Functional role of M2 and M3 muscarinic receptors in the urinary bladder of rats in vitro and in vivo. Br J Pharmacol, 1997, 120(8), 1409-1418. [2]. Miller DW, et al. Evaluation of drug efflux transporter liabilities of darifenacin in cell culture models of the blood-brain and blood-ocular barriers. Neurourol Urodyn, 2011, 30(8), 1633-1638. [3]. Iijima K, et al. Effects of the M3 receptor selective muscarinic antagonist darifenacin on bladder afferent activity of the rat pelvic nerve. Eur Urol, 2007, 52(3), 842-847.

Frequently Asked Questions

What is the CAS number of Darifenacin hydrobromide?

The CAS number of Darifenacin hydrobromide is 133099-07-7.

What are the molecular formula and molecular weight of Darifenacin hydrobromide?

Darifenacin hydrobromide has molecular formula C28H31BrN2O2 and molecular weight 507.46 g/mol.

Is Darifenacin hydrobromide hazardous?

Darifenacin hydrobromide has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.

What are the upstream and downstream products of Darifenacin hydrobromide?

For Darifenacin hydrobromide, Upstream Products: Darifenacin oxidized impurity, 5-(2-Bromoethyl)-2,3-dihydrobenzofuran, Darifenacin L-tartrate; Downstream Products: Darifenacin.

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. "Darifenacin hydrobromide (CAS 133099-07-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1961677-4 (accessed 2026-11-09).

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