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Merck
CN

H8885

Hydroxyzine dihydrochloride

≥97%

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About This Item

Empirical Formula (Hill Notation):
C21H27ClN2O2 · 2HCl
CAS Number:
2192-20-3
Molecular Weight:
447.83
NACRES:
NA.77
PubChem Substance ID:
24895830
UNSPSC Code:
12161501
EC Number:
218-586-3
MDL number:
MFCD00058200

Key Documents

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Product Name

Hydroxyzine dihydrochloride, ≥97%

InChI key

ANOMHKZSQFYSBR-UHFFFAOYSA-N

InChI

1S/C21H27ClN2O2.2ClH/c22-20-8-6-19(7-9-20)21(18-4-2-1-3-5-18)24-12-10-23(11-13-24)14-16-26-17-15-25;;/h1-9,21,25H,10-17H2;2*1H

SMILES string

Cl[H].Cl[H].OCCOCCN1CCN(CC1)C(c2ccccc2)c3ccc(Cl)cc3

assay

≥97%

form

powder

solubility

H2O: soluble
alcohol: soluble
chloroform: soluble

Quality Level

200

Gene Information

human ... HRH1(3269)

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Application

Hydroxyzine dihydrochloride has been used in the study of comparative anxiolytic activity of various drugs in experimental models of rats.

Biochem/physiol Actions

Hydroxyzine dihydrochloride (HDH) is used to regulate anxiety. It is also used to treat bronchial asthma and to relax patients before surgery.

General description

Hydroxyzine dihydrochloride (HDH) is the first-generation antihistamine, that belongs to the piperazine class, an H1 receptor antagonist.

pictograms

Health hazardExclamation mark
GHS08,GHS07

signalword

Warning

Hazard Classifications

Acute Tox. 4 Oral - Repr. 2 - STOT SE 3

target_organs

Central nervous system

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, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
BCBT3136
BCBN6722V
BCBN5682V
BCBK8657V
BCBG7384V

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COMPARATIVE ANXIOLYTIC ACTIVITY OF VARIOUS DRUGS IN EXPERIMENTAL MODELS OF RATS
Vitthal K R, et al.
International Journal of Current Research and Review, 4(24), 77-77 (2012)
Acid-base titrimetric assay of hydroxyzine dihydrochloride in pharmaceutical samples
Rajendraprasad N, et al.
Chemical Industry Times / Hua Gong Shi Kan, 16(2), 127-132 (2010)
Donatella Marazziti et al.
Current topics in medicinal chemistry, 12(4), 238-253 (2011-12-30)
Anxiety disorders represent the most prevalent psychiatric disorders. In addition, a considerable burden is associated with them, not only for individual sufferers, but also for the health care system. However, many patients who might benefit from treatment are not diagnosed
Central nervous system-impairing effects of hydroxyzine as a function of histamine availability.
Silke Conen et al.
Journal of clinical psychopharmacology, 33(2), 276-279 (2013-02-21)
Byung Hoon Lee et al.
Acta pharmacologica Sinica, 32(9), 1128-1137 (2011-09-06)
To investigate the effects of hydroxyzine on human ether-a-go-go-related gene (hERG) channels to determine the electrolphysiological basis for its proarrhythmic effects. hERG channels were expressed in Xenopus oocytes and HEK293 cells, and the effects of hydroxyzine on the channels were
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