4-Phenoxybenzoic acid (CAS No: 2215-77-2) is a key pharmaceutical intermediate used in the synthesis of APIs Sitafloxacin. This compound serves as an essential raw material in API development and synthesis. Explore detailed chemical properties, molecular data, structure information, and verified global suppliers, manufacturers, and distributors of this API intermediate on apicule.
Alternate Names: 4-Carboxydiphenyl ether,4-Carboxybiphenyl ether
CAS No: 2215-77-2
PubChem CID: 75182
Mol Formula: C13H10O3
Mol Weight: 214.22 g/mol
Used in API: Sitafloxacin
IUPAC Name: 4-phenoxybenzoic acid
API Intermediate Description: 4-Phenoxybenzoic acid is a rigid, aromatic carboxylic acid consisting of a benzoic acid core linked through an ether bond to a phenyl ring at the para position. This is a structurally deliberate scaffold, not a simple benzoic acid derivative. The phenoxy linkage increases molecular bulk, hydrophobicity, and conformational stability—features intentionally exploited in downstream chemistry.
