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Trihexyphenidyl

Also known as: Trihexyphenidyl, Benzhexol, Artane, 1-Cyclohexyl-1-phenyl-3-(1-piperidyl)propan-1-ol, 1-Cyclohexyl-1-phenyl-3-piperidino-1-propanol, α-Cyclohexyl-α-(2-piperidinoethyl)benzenemethanol

Trihexyphenidyl (CAS 144-11-6) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C20H31NO and a molecular weight of 301.46600 g/mol. Key properties include a melting point of 258.5ºC, a boiling point of 447.9ºC at 760 mmHg, a density of 1.04g/cm3 and a flash point of 211ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
144-11-6
Jingsj CID
J-35313-5
Molecular Formula
C20H31NO
Molecular Weight
301.46600 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Melting Point258.5ºC
Boiling Point447.9ºC at 760 mmHg
Density1.04g/cm3
Flash Point211ºC
Exact Mass301.24100
PSA23.47000
LogP4.26840
Vapor Pressure8.34E-09mmHg at 25°C
Refractive Index1.546

Activity & Biological Data

Additional Information[1]. Giachetti A, et al. Binding and functional profiles of the selective M1 muscarinic receptor antagonists trihexyphenidyl and dicyclomine. Br J Pharmacol. 1986 Sep;89(1):83-90. [2]. Jilani TN, et al. Trihexyphenidyl. 2022 Feb 27. In: StatPearls [Internet]. Treasure Island (FL): StatPearls Publishing; 2022 Jan–.

Customs & Trade Information

HS Code2933399090
Summary2933399090. 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 Trihexyphenidyl?

The CAS number of Trihexyphenidyl is 144-11-6.

What are the molecular formula and molecular weight of Trihexyphenidyl?

Trihexyphenidyl has molecular formula C20H31NO and molecular weight 301.46600 g/mol.

What are the upstream and downstream products of Trihexyphenidyl?

For Trihexyphenidyl, Upstream Products: β-Piperidinopropiophenone, Cyclohexylmagnesium bromide, Pridinol.

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

Last updated:

How to cite: Jingsj. "Trihexyphenidyl (CAS 144-11-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-35313-5 (accessed 2026-11-06).

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