C18H23ClN2
302.8 g/mol
APIDanger
Cyclizine hydrochloride
CAS303-25-3EC206-136-9
Category
API
Compound Class
Amine
Primary Use
Pharmaceutical Raw Material
Cyclizine hydrochloride is a hydrochloride salt composed of equimolar amounts of cyclizine and hydrogen chloride. It acts as a central nervous system depressant, H1-receptor antagonist, cholinergic antagonist, and antiemetic.
Pharmaceutical raw material for H1-receptor antagonist antiemetic formulationsCentral nervous system depressant and cholinergic antagonist researchActive pharmaceutical ingredient in antiemetic drug manufacturing
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
SimilarStructure SimilarSimilarity 0.79
Chlorcyclizine hydrochloride
CAS1620-21-9
pharmaceutical raw material
SimilarStructure SimilarSimilarity 0.78
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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
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pharmaceutical raw material
ReferenceSame Category
Ubidecarenone
CAS303-98-0
pharmaceutical raw material
Referencesame scaffold
Diphenylmethylpiperazine
CAS841-77-0
pharmaceutical intermediate
Referencesame scaffold
Cetirizine-d4
CAS1219803-84-5
research compound
Safety Reference
Danger
H301Toxic if swallowed
H311Toxic in contact with skin
H330Fatal if inhaled
H361Suspected of damaging fertility or the unborn child
Customs Tariff Classification
The international HS code for Cyclizine hydrochloride (CAS 303-25-3) 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
1-benzhydryl-4-methylpiperazine;hydrochloride
InChIKey
UKPBEPCQTDRZSE-UHFFFAOYSA-N
SMILES
CN1CCN(CC1)C(C2=CC=CC=C2)C3=CC=CC=C3.Cl
Synonyms (29)
- Cyclizine hydrochloride (USP)
- CYCLIZINE HCl
- Collox
- Cyclizine chloride
- Cyclizine hydrochloride
- Cyclizine hydrochloride CRS
- Cyclizini hydrochloridum
- Dihydrochlorid
- Echnatol
- Fortravel
- HCl, Cyclizine
- Hydrochloride, Cyclizine
- Marezine hydrochloride
- Marzine
- Reis-fit
- Valiod
- Valoid
- component of Diconal
- cyclizine monohydrochloride
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