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D3630

Sigma-Aldrich

Diphenhydramine hydrochloride

≥98% (HPLC)

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:
Molecular Weight:
291.82
EC Number:
MDL number:
UNSPSC Code:
12352116
PubChem Substance ID:
NACRES:
NA.77

Assay

≥98% (HPLC)

form

powder

originator

Johnson & Johnson

SMILES string

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

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

InChI key

PCHPORCSPXIHLZ-UHFFFAOYSA-N

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

Signal Word

Warning

Hazard Statements

Precautionary Statements

Hazard Classifications

Acute Tox. 4 Oral

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

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’.

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Reevaluation of the embryonic stem cell test
Inselman AL, et al.
International journal of regulatory science, 1(1), 32-49 (2013)
Potentiation of P2RX7 as a host-directed strategy for control of mycobacterial infection
Matty MA, et al.
eLife, 8, e39123-e39123 (2019)
Alina Tokmakova et al.
iScience, 26(4), 106422-106422 (2023-04-25)
The 25 human bitter taste receptors (TAS2Rs) are expressed on taste and extra-oral cells representing an integrated chemosensory system. The archetypal TAS2R14 is activated by > 150 topographically diverse agonists, raising the question of how this uncharacteristic accommodation is achieved for these
Simultaneous determination of pseudoephedrine hydrochloride and diphenhydramine hydrochloride in cough syrup by gas chromatography (GC)
Raj SV, et al.
Talanta, 46(1), 221-225 (1998)
The long duration of action of the second generation antihistamine bilastine coincides with its long residence time at the histamine H1 receptor
Bosma R, et al.
European Journal of Pharmacology, 838, 107-111 (2018)

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