EcoDrugPlus


Synonyms	Antitussive Beldin Belix Benadryl Benylin Dibenil Diphen Diphenhdyra Diphenhydramine Hydramine Restamin Silphen
Status
Molecule Category	Free-form
ATC	D04AA32 R06AA02
UNII	8GTS82S83M
EPA CompTox	DTXSID4022949


InChI Key	ZZVUWRFHKOJYTH-UHFFFAOYSA-N
Smiles	CN(C)CCOC(c1ccccc1)c1ccccc1
InChI	InChI=1S/C17H21NO/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

Property Name	Value
Molecular Formula	C17H21NO
Molecular Weight	255.36
AlogP	3.35
Hydrogen Bond Acceptor	2.0
Number of Rotational Bond	6.0
Polar Surface Area	12.47
Molecular species	BASE
Aromatic Rings	2.0
Heavy Atoms	19.0

Targets	EC50(nM)	IC50(nM)	Kd(nM)	Ki(nM)	Inhibition(%)
Ion channel Voltage-gated ion channel Voltage-gated sodium channel	-	-	-	-	59.8
Membrane receptor Family A G protein-coupled receptor Small molecule receptor (family A GPCR) Monoamine receptor Histamine receptor	-	1	11.75	14.79	-

	EC50(nM)	IC50(nM)	Kd(nM)	Ki(nM)	Inhibition(%)
Cavia porcellus	-	1	11.75	-	59.8
Homo sapiens	-	-	-	14.79	-
Mus musculus	-	-	-	-	89.7
Rattus norvegicus	-	-	-	-	27.9-52.8

Countries
USA

Resources	Reference
ChEBI	4636
ChEMBL	CHEMBL657
DrugBank	DB01075
DrugCentral	916
FDA SRS	8GTS82S83M
Human Metabolome Database	HMDB0001927
Guide to Pharmacology	1224
KEGG	C06960
PDB	2PM
PharmGKB	PA449349
PubChem	3100
SureChEMBL	SCHEMBL4064
ZINC	ZINC000000020244

EcoDrug+ was developed under the PREMIER Innovative Medicines Initiative 2 Joint Undertaking (JU) under grant agreement No 875508. The JU receives support from the EU’s Horizon 2020 research and innovation programme and the European Federation of Pharmaceutical Industries and Associations (EFPIA). The views reflect only the authors’ perspective and the JU is not responsible for any use that may be made of the information EcoDrug+ contains.

Elements of EcoDrug+ were developed under the Biocenter Finland Drug Discovery and Chemical Biology network. CSC-IT Center for Science Ltd is thanked for providing computational resources. Credit is given to Ensembl for collecting species images (provided under public domain licences such as Wikimedia and NHGRI).

Content of EcoDrug+ is provided without guarantee for correctness.

Cite Us:

Ashenafi Legehar, Siobhán Monaghan, Mael Briand, Akseli Niemelä, Leo Ghemtio, Ziaurrehman Tanoli, A Ross Brown, Charles R Tyler, Henri Xhaard, EcoDrug PLUS: an advanced database for drug target conservation analysis and environmental risk assessment, Nucleic Acids Research, 2025, gkaf1251 Read...

This work is licensed under Creative Commons Attribution-ShareAlike 4.0 International License

Last update: Monday, 3 November 2025

DIPHENHYDRAMINE

Structure

Physicochemical Descriptors

Pharmacology

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Environmental Exposure

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