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Merck
CN

D3630

Diphenhydramine hydrochloride

≥98% (HPLC), H1 histamine receptor antagonist, powder

Synonym(s):

2-Diphenylmethoxy-N,N-dimethylethylamine hydrochloride, N-(2-Diphenylmethoxyethyl)-N,N-dimethylamine hydrochloride

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About This Item

Empirical Formula (Hill Notation):
C17H21NO · HCl
CAS Number:
147-24-0
Molecular Weight:
291.82
NACRES:
NA.77
PubChem Substance ID:
24277771
UNSPSC Code:
12352116
EC Number:
205-687-2
MDL number:
MFCD00012479
Assay:
≥98% (HPLC)
Form:
powder
Quality level:
200

Key Documents

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Product Name

Diphenhydramine hydrochloride, ≥98% (HPLC)

InChI key

PCHPORCSPXIHLZ-UHFFFAOYSA-N

InChI

1S/C17H21NO.ClH/c1-18(2)13-14-19-17(15-9-5-3-6-10-15)16-11-7-4-8-12-16;/h3-12,17H,13-14H2,1-2H3;1H

SMILES string

Cl[H].CN(C)CCOC(c1ccccc1)c2ccccc2

assay

≥98% (HPLC)

form

powder

originator

Johnson & Johnson

Quality Level

200

Gene Information

human ... HRH1(3269)

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Application

Diphenhydramine hydrochloride has been used:
as a reference compound to study the long duration of action of antihistamine bilastine in vivo
to detect its embryotoxicity by embryonic stem cell test (EST) using cardiomyocyte differentiation and osteoblasts differentiation
as an antihistamine in experimental studies

Biochem/physiol Actions

H1 histamine receptor antagonist
Diphenhydramine hydrochloride (DPH) is an antihistaminic agent that relieves symptoms of hypersensitive reactions. It exhibits antimuscarinic and marked sedative effects. DPH is also used to prevent nausea, vomiting and vertigo of various causes. In addition, it acts as a potential therapeutic for insomnia.

Features and Benefits

This compound was developed by Johnson & Johnson. To browse the list of other pharma-developed compounds and Approved Drugs/Drug Candidates, click here.

pictograms

Exclamation mark
GHS07

signalword

Warning

hcodes

H302

Hazard Classifications

Acute Tox. 4 Oral

Storage Class

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Faceshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
WXBF7261V
WXBD8929V
WXBD5792V
WXBD1369V
MKCK2475

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Morgan Panitchpakdi et al.
PloS one, 17(7), e0271794-e0271794 (2022-07-27)
Clinical testing typically relies on invasive blood draws and biopsies. Alternative methods of sample collection are continually being developed to improve patient experience; swabbing the skin is one of the least invasive sampling methods possible. To show that skin swabs
Pharmacologic characterization of AMG8379, a potent and selective small molecule sulfonamide antagonist of the voltage-gated sodium channel NaV1. 7
Kornecook TJ, et al.
Journal of Pharmacology and Experimental Therapeutics, 362(1), 146-160 (2017)
Jiayi Chen et al.
Cell stem cell, 29(11), 1531-1546 (2022-10-21)
The communication between glioblastoma stem cells (GSCs) and the surrounding microenvironment is a prominent feature accounting for the aggressive biology of glioblastoma multiforme (GBM). However, the mechanisms by which GSCs proactively drive interactions with microenvironment is not well understood. In
R U Agu et al.
Pharmaceutical research, 16(9), 1380-1385 (1999-09-25)
To test two in vitro human nasal epithelial cell culture systems for their ability to screen the effects of pharmaceutical compounds on ciliary beating. Human nasal epithelial cells were cultured as monolayer and in a sequential monolayer-suspension culture with in
Clinical evaluation of diphenhydramine hydrochloride for the treatment of insomnia in psychiatric patients: a double-blind study
Kudo Y and Kurihara M
Journal of Clinical Pharmacology, 30(11), 1041-1048 (1990)
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