Diphenhydramine Hydrochloride - ≥98%(HPLC) , Histamine H1 receptor antagonist, CAS No.147-24-0, Histamine H1 receptor antagonist

CAS: 147-24-0 Cat. No.: D129201 Molecular Weight: 291.82 EC Number: 205-687-2
AVAILABLE TO ORDER
GRADE & PURITY ≥98%(HPLC)
Synonyms
2-Diphenylmethoxy-N,N-dimethylethylamine hydrochloride | CAS-147-24-0 | Sleepeze | Dimedrol hydrochloride | Diphenhydramine-d6Hydrochloride | NSC-33299 | 2-(diphenylmethoxy)-N,N-dimethylethanamine hydrochloride | BenadrylAllergy | Diphenydramine hydrochlo
Storage
Store at 2-8°C,Protected from light
Shipped In
Wet ice
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
5g
D129201-5g
1

$11.90

$17.90
Save $6.00 (33.52%)
25g
D129201-25g
2

$33.90

$50.90
Save $17.00 (33.40%)
100g
D129201-100g
2

$55.90

$83.90
Save $28.00 (33.37%)
500g
D129201-500g
2

$196.90

$295.90
Save $99.00 (33.46%)
Enter a quantity for the sizes you want to add.
🧪

Why this grade

≥98%(HPLC) for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Store at 2-8°C,Protected from light Ships Wet ice Check lot-specific COA for exact specifications.

📋

Quality documents

SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.

📚

Literature proof

Cited in 3 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Overview

A histamine H1-receptor antagonist.

Specifications

Synonyms
2-Diphenylmethoxy-N, N-dimethylethylamine hydrochloride | CAS-147-24-0 | Sleepeze | Dimedrol hydrochloride | Diphenhydramine-d6Hydrochloride | NSC-33299 | 2-(diphenylmethoxy)-N, N-dimethylethanamine hydrochloride | BenadrylAllergy | Diphenydramine hydrochlo
Specifications & Purity
≥98%(HPLC)
Biochemical and Physiological Mechanisms
Potent H 1 receptor antagonist (K i = 1 nM). Shows antihistaminergic, antiemetic, sedative and hypnotic effects.
Storage
Store at 2-8°C, Protected from light
Shipped In
Wet ice
This product requires cold chain shipping. Ground and other economy services are not available.
Action Type
ANTAGONIST
Mechanism of action
Histamine H1 receptor antagonist
Note
Wherever possible, you should prepare and use solutions on the same day. However, if you need to make up stock solutions in advance, we recommend that you store the solution as aliquots in tightly sealed vials at -20°C. Generally, these will be useable for up to one month. Before use, and prior to opening the vial we recommend that you allow your product to equilibrate to room temperature for at least 1 hour. Need more advice on solubility, usage and handling? Please visit our frequently asked questions (FAQ) page for more details.
Purity
≥98%(HPLC)
Names and Identifiers
Canonical SmilesCN(C)CCOC(C1=CC=CC=C1)C2=CC=CC=C2.Cl
IUPAC Name2-benzhydryloxy-N,N-dimethylethanamine;hydrochloride
InChIKeyPCHPORCSPXIHLZ-UHFFFAOYSA-N
INCHI1S/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
Isomeric SMILES CN(C)CCOC(C1=CC=CC=C1)C2=CC=CC=C2.Cl
WGK Germany 3
RTECS KR7000000
Molecular Weight 291.82
Reaxy-Rn 3918132
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=3918132&ln=

Documentation

📋 Safety Data Sheet (SDS)

Comprehensive hazard, handling, storage, and regulatory compliance document.

Download SDS →

✅ Certificate of Analysis (COA)

Lot-specific quality data. Enter your lot number to retrieve the exact COA.

Look up COA →

📊 Datasheet

Quick-reference summary of product specifications and applications.

View datasheet →

🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

View spec sheet →

Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomOrganic compounds
SuperclassBenzenoids
ClassBenzene and substituted derivatives
SubclassDiphenylmethanes
Intermediate Tree Nodes Not available
Direct ParentDiphenylmethanes
Alternative Parents Benzylethers  Trialkylamines  Dialkyl ethers  Organopnictogen compounds  Hydrochlorides  Hydrocarbon derivatives  
Molecular FrameworkAromatic homomonocyclic compounds
Substituents Diphenylmethane - Benzylether - Tertiary aliphatic amine - Tertiary amine - Ether - Dialkyl ether - Organic nitrogen compound - Organic oxygen compound - Organopnictogen compound - Hydrocarbon derivative - Hydrochloride - Organooxygen compound - Organonitrogen compound - Amine - Aromatic homomonocyclic compound
DescriptionThis compound belongs to the class of organic compounds known as diphenylmethanes. These are compounds containing a diphenylmethane moiety, which consists of a methane wherein two hydrogen atoms are replaced by two phenyl groups.
External Descriptors hydrochloride - organoammonium salt
3D Structure
Interactive Chemical Structure Model





Associated Targets(Human)
ESR1 Tclin Estrogen receptor alpha (17718 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
KCNH2 Tclin HERG (29587 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
THRB Tclin Thyroid hormone receptor beta-1 (7926 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
RXRA Tclin Retinoid X receptor alpha (3637 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
ACHN (49357 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
CAKI-1 (44928 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
CCRF-CEM (65223 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
COLO 205 (50209 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
DU-145 (51482 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
HL-60 (67320 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
HT-29 (80576 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
K562 (73714 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
KM12 (47707 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
M14 (47487 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
MCF7 (126967 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
MOLT-4 (49676 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
OVCAR-3 (48710 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
OVCAR-4 (44535 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
OVCAR-5 (45555 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
OVCAR-8 (47708 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
PC-3 (62116 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
RPMI-8226 (44974 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
SF-295 (48000 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
SK-MEL-2 (46422 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
SK-MEL-28 (48833 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
SK-MEL-5 (47095 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
SN12C (47755 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
SNB-19 (46794 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
TK-10 (45540 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
U-251 (51189 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
UACC-257 (46019 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
UO-31 (46270 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
786-0 (47912 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
A549 (127892 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
NCI/ADR-RES (33767 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
T47D (39041 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
EKVX (44102 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
NCI-H322M (45589 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
HCC 2998 (41480 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
HCT-116 (91556 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
HOP-92 (41141 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Hs-578T (29457 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
NCI-H460 (60772 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
SF-268 (49410 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
IGROV-1 (47897 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
LOX IMVI (44321 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
HOP-62 (47048 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
MDA-MB-435 (38290 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
MDA-N (28205 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Malme-3M (44254 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Associated Targets(non-human)
Ppard Peroxisome proliferator-activated receptor delta (358 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Mapk1 MAP kinase ERK2 (650 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Pseudomonas aeruginosa (123386 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Klebsiella pneumoniae (43867 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Staphylococcus aureus (210822 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Acinetobacter baumannii (41033 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Escherichia coli (133304 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Plasmodium falciparum (966862 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Cryptococcus neoformans (21258 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Candida albicans (78123 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Mus musculus (284745 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
rep Replicase polyprotein 1ab (378 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Txnrd1 Thioredoxin reductase 1, cytoplasmic (45279 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Impa1 Inositol monophosphatase 1 (16203 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
nfo Endonuclease 4 (425 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Mechanisms of Action
Certificates(CoA,COO,BSE/TSE and Analysis Chart)
C of A & Other Certificates(BSE/TSE, COO):
Analytical Chart:

Find and download the COA for your product by matching the lot number on the packaging.

16 results found

Lot NumberCertificate TypeDateItem
G1629048Certificate of AnalysisSep 16, 2025 D129201
L2306111Certificate of AnalysisSep 09, 2025 D129201
B2224196Certificate of AnalysisSep 09, 2025 D129201
B2224203Certificate of AnalysisSep 09, 2025 D129201
B2224216Certificate of AnalysisSep 09, 2025 D129201
B2224278Certificate of AnalysisSep 09, 2025 D129201
E2512081Certificate of AnalysisMay 15, 2025 D129201
L2410671Certificate of AnalysisJun 17, 2024 D129201
L2410673Certificate of AnalysisJun 17, 2024 D129201
L2417053Certificate of AnalysisJun 17, 2024 D129201
A2604071Certificate of AnalysisJun 14, 2024 D129201
L2410666Certificate of AnalysisJun 14, 2024 D129201
L2410667Certificate of AnalysisJun 14, 2024 D129201
L2410669Certificate of AnalysisJun 14, 2024 D129201
I2124092Certificate of AnalysisJul 14, 2023 D129201
C2024094Certificate of AnalysisJan 25, 2022 D129201

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Chemical and Physical Properties
SolubilitySoluble in water (1000 mg/ml), DMSO (58 mg/ml at 25 °C), DMF (~10 mg/ml), methanol, and ethanol (500 mg/ml).
SensitivityLight sensitive
Melt Point(°C)170°C
Molecular Weight291.800 g/mol
XLogP3
Hydrogen Bond Donor Count1
Hydrogen Bond Acceptor Count2
Rotatable Bond Count6
Exact Mass291.139 Da
Monoisotopic Mass291.139 Da
Topological Polar Surface Area12.500 Ų
Heavy Atom Count20
Formal Charge0
Complexity211.000
Isotope Atom Count0
Defined Atom Stereocenter Count0
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
The total count of all stereochemical bonds0
Covalently-Bonded Unit Count2
Citations of This Product
References
1. Jiezhou Pan, Haotian Liao, Guidong Gong, Yunxiang He, Qin Wang, Lang Qin, Yaoyao Zhang, Hirotaka Ejima, Blaise L. Tardy, Joseph J. Richardson, Jiaojiao Shang, Orlando J. Rojas, Yong Zeng, Junling Guo.  (2023)  Supramolecular nanoarchitectonics of phenolic-based nanofiller for controlled diffusion of versatile drugs in hydrogels.  JOURNAL OF CONTROLLED RELEASE,      [PMID:37422124] [10.1016/j.jconrel.2023.07.003]
2. Yanru Liu, Yushan Ding, Yongbo Song, Xingjie Guo.  (2021)  Enantioseparation and determination of orphenadrine in rat plasma and its application to a stereoselective pharmacokinetic study.  NEW JOURNAL OF CHEMISTRY,  45  (12): (5428-5436).  [PMID:] [10.1039/D0NJ06005D]
3. Yongjie Lu, Lushi Cheng, Lu Ren, Dongqiu Chen, Shumin Guan, Siyang Zhu, Xian Xu, Bing Zhang, Minghui Tang, Chijian Zhang, Yong Ai, Lanyue Zhang, Tinggang He.  (2024)  Therapeutic Alleviation and Mechanism of Glabridin Liposome on Histamine-induced Atopic Dermatitis.  Pharmacognosy Magazine,      [PMID:] [10.1177/09731296231225512]
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