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Home/Compounds/API/(RS)-hydroxyzine dihydrochloride
C21H29Cl3N2O2
447.8 g/mol
APIDanger

Hydroxyzine dihydrochloride

CAS2192-20-3EC218-586-3
Category
API
Compound Class
Amine
Primary Use
Pharmaceutical Raw Material

Hydroxyzine dihydrochloride is a pharmaceutical raw material used in the manufacturing of medications. It functions as an antihistamine compound and is supplied as a salt-form active ingredient for pharmaceutical production.

Raw material for antihistamine drug manufacturingCompound for pharmaceutical research and development

Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.

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Related Compounds

StrongSame Parent

(RS)-hydroxyzine

CAS68-88-2

pharmaceutical raw material

SimilarStructure SimilarSimilarity 0.76

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pharmaceutical raw material

ReferenceSame Category

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pharmaceutical raw material

ReferenceSame Category

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pharmaceutical raw material

ReferenceSame Category

5,6-Dihydroabiraterone Acetate

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pharmaceutical raw material

Referencesame scaffold

Chlorcyclizine hydrochloride

CAS1620-21-9

pharmaceutical raw material

Referencesame scaffold

Cetirizine-d4

CAS1219803-84-5

research compound

Safety Reference

Corrosive
Corrosive
Harmful
Harmful
Health Hazard
Health Hazard
Danger
H302Harmful if swallowed
H314Causes severe skin burns and eye damage
H315Causes skin irritation
H317May cause an allergic skin reaction
H319Causes serious eye irritation
H335May cause respiratory irritation
H360May damage fertility or the unborn child

Customs Tariff Classification

The international HS code for Hydroxyzine dihydrochloride (CAS 2192-20-3) is 2933.59.

HS code (international, 6-digit)

2933.59

EU CN code (8-digit)

2933 59 95

Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.

Identifiers
IUPAC Name

2-[2-[4-[(4-chlorophenyl)-phenylmethyl]piperazin-1-yl]ethoxy]ethanol;dihydrochloride

InChIKey

ANOMHKZSQFYSBR-UHFFFAOYSA-N

SMILES

C1CN(CCN1CCOCCO)C(C2=CC=CC=C2)C3=CC=C(C=C3)Cl.Cl.Cl

Synonyms (52)
  • QYS
  • Hydroxyzine hydrochloride (JP18/USP)
  • Hydroxyzine hydrochloride, European Pharmacopoeia (EP)
  • Hydroxyzine hydrochloride, United States Pharmacopeia (USP)
  • 2192-20-3 (2HCl)
  • Alamon
  • Anxanil
  • Arcanax
  • Atarax
  • Atarax (TN)
  • Atarax dihydrochloride
  • Ataraxoid dihydrochloride
  • Atranine A
  • Disron
  • Durrax
  • HYDROXIZINE CHLORIDE
  • Hydroxyzine 2HCl
  • Hydroxyzine DiHCl
  • Hydroxyzine Hcl
  • Hydroxyzine dihydrochloride
  • Hydroxyzine hydrochloride
  • Hydroxyzine hydrochloride CRS
  • Neurolax
  • Orgatrax
  • Quiess
  • Tran-Q dihydrochloride
  • Tranquizine dihydrochloride
  • Ucerax
  • Vistaject
  • Vistarex
  • Vistaril (TN)
  • Vistaril Parenteral
  • Vistaril steraject

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