C46H54N6O8S2
883.1 g/mol
APIWarning
Quetiapine fumarate
CAS111974-72-2
Category
API
Compound Class
Heterocycle
Primary Use
Pharmaceutical Raw Material
Quetiapine fumarate is the fumarate salt form of quetiapine, a dibenzothiazepine derivative with antipsychotic properties. It acts as an antagonist at serotonin and dopamine receptors, which underlies its pharmaceutical use.
Pharmaceutical raw material for antipsychotic formulationsActive ingredient in medications for schizophrenia and bipolar disorder
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
Quetiapine
CAS111974-69-7
active pharmaceutical ingredient
SimilarStructure SimilarSimilarity 0.81
7-HYDROXYQUETIAPINE
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pharmaceutical raw material
ReferenceSame Category
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Referencesame scaffold
N-Ethyl quetiapine
CAS1011758-03-4
pharmaceutical raw material
Referencesame scaffold
Norquetiapine dihydrochloride
CAS111974-74-4
pharmaceutical intermediate
Safety Reference
Warning
H302Harmful if swallowed
H312Harmful in contact with skin
H319Causes serious eye irritation
H332Harmful if inhaled
H361Suspected of damaging fertility or the unborn child
H400Very toxic to aquatic life
H413May cause long lasting harmful effects to aquatic life
H318Causes serious eye damage
H336May cause drowsiness or dizziness
H362May cause harm to breast-fed children
H410Very toxic to aquatic life with long lasting effects
Customs Tariff Classification
The international HS code for Quetiapine fumarate (CAS 111974-72-2) is 2934.99.
HS code (international, 6-digit)
2934.99
EU CN code (8-digit)
2934 99 90
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
bis(2-[2-(4-benzo[b][1,4]benzothiazepin-6-ylpiperazin-1-yl)ethoxy]ethanol);(E)-but-2-enedioic acid
InChIKey
ZTHJULTYCAQOIJ-WXXKFALUSA-N
SMILES
C1CN(CCN1CCOCCO)C2=NC3=CC=CC=C3SC4=CC=CC=C42.C1CN(CCN1CCOCCO)C2=NC3=CC=CC=C3SC4=CC=CC=C42.C(=C/C(=O)O)\C(=O)O
Synonyms (36)
- Quetiapine for system suitability, European Pharmacopoeia (EP)
- Quetiapine fumarate (JP18/USP)
- Quetiapine fumarate, European Pharmacopoeia (EP)
- Quetiapine fumarate, United States Pharmacopeia (USP) Reference Standard, monograph mol wt. 883.09 ((C21H25N3O2S)2 ?? C4H4O4)
- ICI 204,636
- Ketipinor
- QUETIAPINE FUMARATE [MART.]
- Quetiapine (as fumarate)
- Quetiapine Extended-release
- Quetiapine Fumarate ER
- Quetiapine Fumarate salt
- Quetiapine fumarate
- Quetiapine fumarate CRS
- Quetiapine hemifumarate
- Quetiapine hemifumarate salt
- Seroquel
- Seroquel (TN)
- Seroquel XR
- Utapine
- ZM 204,636
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