Impurities
AY-0036-005
Ketotifen Fumarate EP Impurity G
C19H17NO2S
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Active ingredient reference standard
Ketotifen Fumarate
Material overview
Ketotifen Fumarate (AY-0036-004) — active ingredient reference standard. CAS 34580-14-8, formula C23H23NO5S, molecular weight 425.50 g/mol. Request technical documentation and current availability.
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Technical identifiers
- Catalog number
- AY-0036-004
- CAS number
- 34580-14-8
- Molecular formula
- C23H23NO5S
- Molecular weight
- 425.50 g/mol
- Category
- Active ingredient reference standard
- Chemical name
- 4,9-Dihydro-4-(1-methyl-4-piperidinylidene)-10H-benzo[4,5]cyclohepta[1,2-b]thiophen-10-one hydrogen Fumarate
- Synonyms
- Not listed
- SMILES
- O=C(CC1=C/2C=CC=C1)C(SC=C3)=C3C2=C4CCN(C)CC\4.[OH2]=C(O)/C=C/C(O)=O
- Appearance
- Off-White Solid
- Light sensitive
- No
- Hygroscopic
- Yes
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Storage
Refrigerator
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