C21H27Cl3N2O3
461.8 g/mol
APIDanger
Cetirizine dihydrochloride
CAS83881-52-1EC620-533-8
Category
API
Compound Class
Amine
Primary Use
Pharmaceutical Raw Material
Cetirizine dihydrochloride is a second-generation antihistamine used as an active pharmaceutical ingredient. It is known for being less sedating than older antihistamines and is administered orally.
pharmaceutical manufacturingactive pharmaceutical ingredient
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
Cetirizine
CAS83881-51-0
pharmaceutical raw material
SimilarStructure SimilarSimilarity 0.76
AGN-PC-0CEFEN
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pharmaceutical intermediate
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
Mometasone furoate
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pharmaceutical raw material
Referencestereoisomer of
Cetirizine-d4
CAS1219803-84-5
research compound
Referencestereoisomer of
Levocetirizine
CAS130018-77-8
pharmaceutical raw material
Safety Reference
Danger
H302Harmful if swallowed
H317May cause an allergic skin reaction
H360May damage fertility or the unborn child
Customs Tariff Classification
The international HS code for Cetirizine dihydrochloride (CAS 83881-52-1) 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]acetic acid;dihydrochloride
InChIKey
PGLIUCLTXOYQMV-UHFFFAOYSA-N
SMILES
C1CN(CCN1CCOCC(=O)O)C(C2=CC=CC=C2)C3=CC=C(C=C3)Cl.Cl.Cl
Synonyms (139)
- OX-NLA
- P-071
- Cetirizine dihydrochloride, European Pharmacopoeia (EP)
- Cetirizine dihydrochloride, United States Pharmacopeia (USP)
- Cetirizine for peak identification, European Pharmacopoeia (EP)
- Cetirizine hydrochloride (JP18/USP)
- Cetirizine hydrochloride, British Pharmacopoeia (BP)
- 24 Hour Allergy
- 83881-52-1 (HCl)
- Alercet
- Alergex
- Alerid
- Alerlisin
- Alertisin
- All Day
- All Day Allergy
- All Day Allergy Antihistamine
- Allacan
- Allergy Relief All Day
- Allergy relief
- Alleroff
- Allertek
- Apo-Cetirizine
- Basic Care All Day Allergy
- Becoallergy
- CAREALL Cetirizine HCl
- CETIRIZINE HYDROCHLORIDE
- CETIRIZINE HYDROLORIDE
- Cabinet Allergy Relief
- Cetalerg
- Cetec
- Ceterifug
- Ceti TAD
- Ceti-Puren
- CetiLich
- Cetidura
- Cetiirizine
- Cetil von ct
- Cetirigamma
- Cetirizin AZU
- Cetirizin Basics
- Cetirizine 2HCl
- Cetirizine Di
- Cetirizine HCl
- Cetirizine HCl 10 mg
- Cetirizine diHCl
- Cetirizine dihydrochloride
- Cetirlan
- Cetirocol
- Cetriler
- Cetrine
- Cetzine
- Cezin
- Children's Zyrtec Allergy
- Childrens
- Childrens 24 Hour Allergy
- Childrens All Day Allergy
- Childrens Cetirzine
- Childrens Dye Free Wal Zyr
- Childrens Zyrtec
- Cvs Childrens Allergy Relief
- Dg Health All Day Allergy
- Dihydrochloride, Cetirizine
- Equaline All Day Allergy
- Formistin
- Good Sense All Day Allergy
- Harris Teeter All Day Allergy
- Heb Allergy Relief
- Indoor outdoor allergies
- Leader All Day Allergy
- Pentrexcilina Day time
- Piriteze
- Pollenshield
- Ressital
- Rexall All Day Allergy Relief
- Riztec
- Ryzen
- SIMPLY RIGHT
- Salvalerg
- Setiral
- Sound Body All Day Allergy
- Stopaler
- Sunmark All Day Allergy
- Sunmark Childrens Cetirizine
- Topcare all day allergy
- Triz
- UCB-P 071
- Virdos
- Voltric
- Wal-zyr
- Wal-zyr All Day Allergy
- Xero-sed
- Zerviate
- Zetir
- Ziralton
- Zirtek
- Zirtin
- Zynor
- Zyrtec
- Zyrtec (TN)
- Zyrtec 1s Blister
- Zyrtec 2s Blister
- Zyrtec Allergy
- Zyrtec Hives Relief
- Zyrzine
- caring mill all day allergy
- kirkland signature aller tec
- members mark aller zyr
- welby allergy relief
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