ChemAbout
© 2026 ChemAbout
Insights|Privacy Policy|Terms of Service|[email protected]
Home/Compounds/Pharmaceutical Intermediate/4-Phenoxyphthalic anhydride
C14H8O4
240.21 g/mol
Pharmaceutical Intermediate

5-Phenoxy-2-benzofuran-1,3-dione

CAS21345-01-7
Category
Pharmaceutical Intermediate
Compound Class
Ester
Primary Use
Pharmaceutical Intermediate

5-Phenoxy-2-benzofuran-1,3-dione is an organic compound used as a building block in pharmaceutical manufacturing. It features a benzofuran-dione core substituted with a phenoxy group, contributing to its moderate lipophilicity and structural versatility.

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.

Sourcing or supplying this compound?

List your inventory or post a purchase request

CAS 21345-01-7

List This Product
Sign in to publish supply information
Request This Product
Submit a request without registering

Related Compounds

SimilarStructure SimilarSimilarity 0.85

4,4'-oxydiphthalic anhydride

CAS1823-59-2

Monomer for polyimide synthesis

ReferenceSame Category

6-(Cyclohexyloxy)pyrimidine-2,4,5-triamine hydrochloride

CAS2135613-82-8

pharmaceutical intermediate

ReferenceSame Category

Methyl 3-(benzyloxy)-1-((tert-butoxycarbonyl)amino)-4-oxo-1,4-dihydropyridine-2-carboxylate

CAS2136287-59-5

pharmaceutical intermediate

ReferenceSame Category

Tert-Butyl (3-(benzyloxy)-2-((2-(2,2-dimethoxyethoxy)ethyl)carbamoyl)-4-oxopyridin-1(4H)-yl)carbamate

CAS2136287-61-9

pharmaceutical intermediate

ReferenceSame Category

7,8-Difluorodibenzo[b,e]thiepin-11(6H)-one

CAS2136287-66-4

pharmaceutical intermediate

Identifiers
IUPAC Name

5-phenoxy-2-benzofuran-1,3-dione

InChIKey

HDQBHDKNRKRCNH-UHFFFAOYSA-N

SMILES

C1=CC=C(C=C1)OC2=CC3=C(C=C2)C(=O)OC3=O

Synonyms (6)
  • 4-Phenoxyphthalic anhydride