4-Oxo-9,10-dihydro-4H-benzo(4,5)-cyclohepta-(1,2b)thiophene
Intermediate
IntermediateConfidentiality：Public
- INN / Generic Name
- 4-Oxo-9,10-dihydro-4H-benzo(4,5)-cyclohepta-(1,2b)thiophene
- CAS No.
- 1622-55-5
- Current Status
- Official intermediate catalog (API: Ketotifen fumarate)
- MOQ
- On request
- Lead Time
- On request
- Price Range
- On request
Formulation & registration fields (API/FDF oriented — tap to expand)
- Dosage Form
- —
- Strength
- —
- Therapy Area
- Pharmaceutical Intermediates
- Indication
- API: Ketotifen fumarate
- GMP Certification
- —
- CEP
- No
- DMF Type
- —
- Stability Data
- —
- BE Required
- Not required / waivable
- Registration Pathway
- FSO supply (non-registered substance)
HS Code
2934.992706 customs bills on file
Registrable Markets
Global
Process / Sequence / Exact Price
- Process Summary
- Intermediate #4 of Route 3 (6 steps) for Norketotifen. Route materials include: 8,9-Dibromo-6-thiatricyclo[8.4.0.0(3,7)]tetradeca-1(10),3(7),4,11,13-pentaen-2-one, 1-Methylpiperidn-4-ylmagnesium chloride, 4-(1-Methyl-4-piperidinylidene)-4,9-dihydro-10H-benzo[4,5]cyclohepta[1,2-b]thiophen-10-one, 8-bromo-6-thiatricyclo[8.4.0.0(3,7)]tetradeca-1(10),3(7),4,8,11,13-hexaen-2-one, 8-bromo-2-(1-methylpiperidin-4-yl)-6-thiatricyclo[8.4.0.0(3,7)]tetradeca-1(10),3(7),4,8,11,13-hexaen-2-ol, 4-{8-bromo-6-thiatricyclo[8.4.0.0(3,7)]tetradeca-1(10),3(7),4,8,11,13-hexaen-2-ylidene}-1-methylpiperidine, Azacyclohexane, 1-Methyl-4-[9-(piperidin-1-yl)-6-thiatricyclo[8.4.0.0(3,7)]tetradeca-1(14),3(7),4,8,10,12-hexaen-2-ylidene]piperidine. Source: Pharmacodia route data (in-house patent-cliff DB); full step sequence via SciFinder / Google Patents.Synthesis route auto-filled from in-house Pharmacodia route data — verify full steps on SciFinder / Google Patents.
- Exact Price