Diphenidol hydrochloride

盐酸地芬尼多

Also known as: Difenidol hydrochloride, Diphenidol HCl, 1,1-Diphenyl-4-piperidino-1-butanol hydrochloride, 1,1-Diphenyl-4-(piperidin-1-yl)butan-1-ol hydrochloride, Cephadol, Ansmin, Vontrol, alpha,alpha-diphenyl-1-piperidinebutanol hydrochloride

Diphenidol hydrochloride (CAS 3254-89-5) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C21H28ClNO and a molecular weight of 345.91 g/mol. It is also known as Difenidol hydrochloride, Diphenidol HCl and 1,1-Diphenyl-4-piperidino-1-butanol hydrochloride. Key properties include a boiling point of 473.3ºC at 760 mmHg and a flash point of 233.5ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 3254-89-5
Jingsj CID: J-1498196-8
Molecular Formula: C₂₁H₂₈ClNO
Chinese Name: 盐酸地芬尼多
Molecular Weight: 345.91 g/mol
Category: Organic Acids
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	473.3ºC at 760 mmHg
Flash Point	233.5ºC
PSA	23.47000
LogP	4.12650

Activity & Biological Data

Additional Information	[1]. Leung YM, et al. Inhibition of voltage-gated K+ channels and Ca2+ channels by diphenidol. Pharmacol Rep. 2012;64(3):739-44. [2]. Leung YM, et al. Diphenidol inhibited sodium currents and produced spinal anesthesia. Neuropharmacology. 2010 Jun;58(7):1147-52. [3]. Andersson M, et al. Muscarinic receptor subtypes involved in urothelium-derived relaxatory effects in the inflamed rat urinary bladder. Auton Neurosci. 2012 Sep 25;170(1-2):5-11.

Additional Information

[1]. Leung YM, et al. Inhibition of voltage-gated K+ channels and Ca2+ channels by diphenidol. Pharmacol Rep. 2012;64(3):739-44. [2]. Leung YM, et al. Diphenidol inhibited sodium currents and produced spinal anesthesia. Neuropharmacology. 2010 Jun;58(7):1147-52. [3]. Andersson M, et al. Muscarinic receptor subtypes involved in urothelium-derived relaxatory effects in the inflamed rat urinary bladder. Auton Neurosci. 2012 Sep 25;170(1-2):5-11.

Customs & Trade Information

HS Code	2933399090
Summary	2933399090. other compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Frequently Asked Questions

What is the CAS number of Diphenidol hydrochloride?

The CAS number of Diphenidol hydrochloride is 3254-89-5.

What are the molecular formula and molecular weight of Diphenidol hydrochloride?

Diphenidol hydrochloride has molecular formula C21H28ClNO and molecular weight 345.91 g/mol.

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

Last updated: 8/21/2026

How to cite: Jingsj. "Diphenidol hydrochloride (CAS 3254-89-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1498196-8 (accessed 2026-10-28).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.