1(3H)-Isobenzofuranone, 3-bromo- (CAS No: 6940-49-4) is a key pharmaceutical intermediate used in the synthesis of APIs Letrozole. 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: Phthalidyl bromide, 2-Bromophthalide
CAS No: 6940-49-4
PubChem CID: 96218
Mol Formula: C8H5BrO2
Mol Weight: 213.03 g/mol
Used in API: Letrozole
IUPAC Name: 3-bromo-3H-2-benzofuran-1-one
API Intermediate Description: 3-Bromo-1(3H)-isobenzofuranone is a brominated lactone derivative of phthalide, featuring a bromine atom at the 3-position of the ring. It is commonly used as an intermediate in organic synthesis for constructing heterocycles and bioactive molecules.