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Loperamide

Also known as: 4-(4-chlorophenyl)-4-hydroxy-N,N-dimethyl-α,α-diphenyl-1-piperidinebutanamide, 4-[4-(4-chlorophenyl)-4-hydroxypiperidin-1-yl]-N,N-dimethyl-2,2-diphenylbutanamide, Imodium, Kaopectate II, Loperamida, Loperamidum, ADL 2-1294, MFCD00600388, EINECS 258-416-5

Loperamide (CAS 53179-11-6) is a compound in the Organic Bases category listed in the Jingsj chemical database. It has the molecular formula C29H33ClN2O2 and a molecular weight of 477.04 g/mol. Key properties include a boiling point of 647.2ºC at 760 mmHg, a density of 1.187g/cm3 and a flash point of 345.2ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
53179-11-6
Jingsj CID
J-1991281-3
Molecular Formula
C29H33ClN2O2
Molecular Weight
477.04 g/mol
Category
Organic Bases
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point647.2ºC at 760 mmHg
Density1.187g/cm3
Flash Point345.2ºC
Exact Mass476.22300
PSA43.78000
LogP5.02590
Refractive Index1.6

Activity & Biological Data

TargetKi: 3 nM (μ opioid receptor), 48 nM (δ opioid receptor), 1156 nM (κ opioid receptor)[1]
Additional Information[1]. DeHaven-Hudkins DL, et al. Loperamide (ADL 2-1294), an opioid antihyperalgesic agent with peripheral selectivity. J Pharmacol Exp Ther. 1999 Apr;289(1):494-502.

Customs & Trade Information

HS Code29252000

Frequently Asked Questions

What is the CAS number of Loperamide?

The CAS number of Loperamide is 53179-11-6.

What are the molecular formula and molecular weight of Loperamide?

Loperamide has molecular formula C29H33ClN2O2 and molecular weight 477.04 g/mol.

What are the upstream and downstream products of Loperamide?

For Loperamide, Upstream Products: 4-(4-Chlorophenyl)piperidin-4-ol, 3,3-Diphenyltetrahydrofuran-2-ylidene(dimethyl)ammonium bromide, 4-Bromo-2,2-diphenylbutyric acid.

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

Last updated:

How to cite: Jingsj. "Loperamide (CAS 53179-11-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1991281-3 (accessed 2026-11-09).

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