Impurities
AY-0036-005
Ketotifen Fumarate EP Impurity G
C19H17NO2S
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Impurity reference standard material
Ketotifen Fumarate Impurity B
Material overview
Ketotifen Fumarate Impurity B (AY-0036-003) — impurity reference standard material. CAS 59743-88-3, formula C20H23NO2S, molecular weight 341.47 g/mol. Request technical documentation and current availability.
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Technical identifiers
- Catalog number
- AY-0036-003
- CAS number
- 59743-88-3
- Molecular formula
- C20H23NO2S
- Molecular weight
- 341.47 g/mol
- Category
- Impurity reference standard material
- Chemical name
- (4RS)-10-methoxy-4-(1-methylpiperidin-4-yl)-4H-benzo[4,5]cyclohepta[1,2-b]thiophen-4-ol
- Synonyms
- 4-Hydroxy-9,10-dehydro-10-methoxy Ketotifen
- SMILES
- CN(CC1)CCC1[C@@]2(O)C3=C(C=CC=C3)C=C(OC)C4=C2C=CS4
- Light sensitive
- No
- Hygroscopic
- No
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Storage
Refrigerator
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