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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
EC Number:
205-687-2
MDL number:
MFCD00012479
UNSPSC Code:
12352116
PubChem Substance ID:
24277771
NACRES:
NA.77

Key Documents

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Product Name

Diphenhydramine hydrochloride, ≥98% (HPLC)

Quality Level

200

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
GHS07

Signal Word

Warning

Hazard Statements

H302

Precautionary Statements

P264 - P270 - P301 + P312 - P501

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

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Certificates of Analysis (COA)

Lot/Batch Number
WXBF7261V
WXBD8929V
WXBD5792V
WXBD1369V
MKCK2475

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Potentiation of P2RX7 as a host-directed strategy for control of mycobacterial infection
Matty MA, et al.
eLife, 8, e39123-e39123 (2019)
Reevaluation of the embryonic stem cell test
Inselman AL, et al.
International journal of regulatory science, 1(1), 32-49 (2013)
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)
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
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