Skip to Content
Merck
All Photos(2)

Key Documents

View All Documentation

L4762

Sigma-Aldrich

Loperamide hydrochloride

98-102% (USP), powder, Ca2+ channel blocker

Synonym(s):

4-(p-Chlorophenyl)-4-hydroxy-N,N-dimethyl-α,α-diphenyl-1-piperidinebutyramide hydrochloride

Sign Into View Organizational & Contract Pricing
All Photos(2)

About This Item

Empirical Formula (Hill Notation):
C29H33ClN2O2 · HCl
CAS Number:
34552-83-5
Molecular Weight:
513.50
EC Number:
252-082-4
MDL number:
MFCD00058581
UNSPSC Code:
12352200
PubChem Substance ID:
24278042
NACRES:
NA.77

product name

Loperamide hydrochloride,

originator

Johnson & Johnson

SMILES string

Cl.CN(C)C(=O)C(CCN1CCC(O)(CC1)c2ccc(Cl)cc2)(c3ccccc3)c4ccccc4

InChI

1S/C29H33ClN2O2.ClH/c1-31(2)27(33)29(24-9-5-3-6-10-24,25-11-7-4-8-12-25)19-22-32-20-17-28(34,18-21-32)23-13-15-26(30)16-14-23;/h3-16,34H,17-22H2,1-2H3;1H

InChI key

PGYPOBZJRVSMDS-UHFFFAOYSA-N

Gene Information

human ... OPRM1(4988)

Looking for similar products? Visit Product Comparison Guide

Application

Loperamide hydrochloride (HCl) has been used in inflammatory pain experiments and to assess the functionality of proteins. 54

Biochem/physiol Actions

Loperamide hydrochloride (HCl) is a non-selective Ca2+ channel blocker. At nanomolar concentrations, it binds to μ-opioid receptors. Loperamide HCl does not cross the blood-brain barrier.

Features and Benefits

This compound is a featured product for ADME Tox research. Click here to discover more featured ADME Tox products. Learn more about bioactive small molecules for other areas of research at sigma.com/discover-bsm.
This compound was developed by Johnson & Johnson. To browse the list of other pharma-developed compounds and Approved Drugs/Drug Candidates, click here.

Preparation Note

Slightly soluble in water and dilute acids, freely soluble in methanol and in chloroform, soluble in ethanol (95%).

Pictograms

Skull and crossbones
GHS06

Signal Word

Danger

Hazard Statements

H301

Hazard Classifications

Acute Tox. 3 Oral

Storage Class Code

6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

WGK

WGK 3

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

J Church et al.
Molecular pharmacology, 45(4), 747-757 (1994-04-01)
The effects of the antidiarrheal agent loperamide on high-voltage-activated (HVA) calcium channel activity and excitatory amino acid-evoked responses in two preparations of cultured hippocampal pyramidal neurons were examined. In rat hippocampal neurons loaded with the calcium-sensitive dye fura-2, rises in
Raphaël Weibel et al.
PloS one, 8(9), e74706-e74706 (2013-09-27)
Opiates are powerful drugs to treat severe pain, and act via mu opioid receptors distributed throughout the nervous system. Their clinical use is hampered by centrally-mediated adverse effects, including nausea or respiratory depression. Here we used a genetic approach to
Olivia Benguettat et al.
PLoS pathogens, 14(9), e1007279-e1007279 (2018-09-05)
The digestive tract is the first organ affected by the ingestion of foodborne bacteria. While commensal bacteria become resident, opportunistic or virulent bacteria are eliminated from the gut by the local innate immune system. Here we characterize a new mechanism
Daniel Reker et al.
Cell reports, 30(11), 3710-3716 (2020-03-19)
Inactive ingredients and generally recognized as safe compounds are regarded by the US Food and Drug Administration (FDA) as benign for human consumption within specified dose ranges, but a growing body of research has revealed that many inactive ingredients might
D L DeHaven-Hudkins et al.
The Journal of pharmacology and experimental therapeutics, 289(1), 494-502 (1999-03-23)
The antihyperalgesic properties of the opiate antidiarrheal agent loperamide (ADL 2-1294) were investigated in a variety of inflammatory pain models in rodents. Loperamide exhibited potent affinity and selectivity for the cloned micro (Ki = 3 nM) compared with the delta
View All Related Papers

Articles

Using Human iPS Cell-derived Colon Organoids for Cytotoxicity Screening of Drug Compounds

Human epithelial intestinal colonic organoids can be used as an alternative to Caco-2 drug permeability assays for drug screening and compound toxicity testing.

Discover Bioactive Small Molecules for ADME/Tox

Discover Bioactive Small Molecules for ADME/Tox

Discover Bioactive Small Molecules for ADME/Tox

Discover Bioactive Small Molecules for ADME/Tox

Discover Bioactive Small Molecules for ADME/Tox

Discover Bioactive Small Molecules for ADME/Tox

See All

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service