C23H23NO5S
425.5 g/mol
APIWarning
KETOTIFEN FUMARATE
CAS34580-14-8EC252-100-0
Category
API
Compound Class
Amine
Primary Use
Pharmaceutical Raw Material
Ketotifen fumarate is a salt form of the antihistamine and mast cell stabilizer ketotifen, used as an active pharmaceutical ingredient in both ophthalmic and oral formulations. It is primarily supplied for the manufacturing of products indicated for allergic conditions such as conjunctivitis and asthma, as well as for systemic mast cell disorders.
Ophthalmic formulations for seasonal allergy symptomsOral formulations for prevention of asthma attacks and allergic reactionsManagement of systemic mast cell diseases (e.g., mastocytosis)
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
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Safety Reference
Warning
H302Harmful if swallowed
Customs Tariff Classification
The international HS code for KETOTIFEN FUMARATE (CAS 34580-14-8) 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
(E)-but-2-enedioic acid;2-(1-methylpiperidin-4-ylidene)-6-thiatricyclo[8.4.0.03,7]tetradeca-1(14),3(7),4,10,12-pentaen-8-one
InChIKey
YNQQEYBLVYAWNX-WLHGVMLRSA-N
SMILES
CN1CCC(=C2C3=C(C(=O)CC4=CC=CC=C42)SC=C3)CC1.C(=C/C(=O)O)\C(=O)O
Synonyms (42)
- Ketotifen for peak identification, European Pharmacopoeia (EP)
- Ketotifen fumarate (JP18/USAN)
- Ketotifen hydrogen fumarate, European Pharmacopoeia (EP)
- Alaway
- Allergy Eye Drops
- CHILDREN'S ALAWAY
- Equate Eye Itch Relief
- Eye Itch
- Eye Itch Releif
- Eye Itch Relief
- Fumarate, Ketotifen
- Fumarato de Cetotifeno
- HC 20,511 fumarate
- Itchy Eye
- KETOTIFEN FUMARATE
- KETOTIFEN FUMARATE [MART.]
- Ketotifen (as fumarate)
- Ketotifen fumarate (Zaditor)
- Ketotifen fumarate salt
- Ketotifen fumerate
- Ketotifen hydrogen fumarate
- Ketotifene fumarato
- Leader Eye Itch Relief Drops
- Zaditen
- Zaditen (TN)
- Zaditor
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