← Back to patent-cliff list

CAS 551-08-6

(Z)-3-butylideneisobenzofuran-1(3H)-one

Codes: Butylidenephthalide, PHB-002

Application context (from source-drug indications)

GlioblastomaButylidenephthalideGliomaButylidenephthalideAmyotrophic lateral sclerosisButylidenephthalideIschaemic strokePotassium-Hydroxypentyl Benzoate

Source drugs (routes using this intermediate)

DrugTierExpiry
ButylidenephthalideTier C — Watch / trade-
Potassium-Hydroxypentyl BenzoateTier C — Watch / trade-

Position in synthesis routes (up/downstream chain)

Ordered by route registration; left → right is the synthesis direction. The highlighted node is the current CAS; others link to their own profiles.

ButylidenephthalideOriginator routesteps: 1total yield: /
Potassium-Hydroxypentyl BenzoateOriginator routesteps: 3total yield: /

Intermediates available on this site

No listed intermediates for this target yet — send an RFQ directly and it will enter our matching pool.

This is a CAS-level registry record: registrations across routes are merged. Supplier offers and buyer demands will be matched on this CAS as the primary key.