Description
5-Amino-7-fluorobenzo[d]oxazol-2(3H)-one (CAS No. 1267629-05-9) is a high-purity heterocyclic organic compound with the molecular formula C7H5FN2O2. This specialized benzoxazolone derivative features a fluorine substituent at the 7-position and an amino group at the 5-position, making it a valuable scaffold for pharmaceutical and agrochemical research. The compound is supplied as a crystalline solid with ≥95% purity (HPLC) and is rigorously characterized by 1H NMR, 13C NMR, and LC-MS to ensure batch-to-batch consistency. Ideal for medicinal chemistry applications, this building block is particularly useful for developing kinase inhibitors, antimicrobial agents, and fluorescent probes. Store under inert atmosphere at 2-8°C to maintain stability.
Properties
- CAS Number: 1267629-05-9
- Complexity: 212
- IUPAC Name: 5-amino-7-fluoro-3H-1,3-benzoxazol-2-one
- InChI: InChI=1S/C7H5FN2O2/c8-4-1-3(9)2-5-6(4)12-7(11)10-5/h1-2H,9H2,(H,10,11)
- InChI Key: KHSFMCUKXDWJNQ-UHFFFAOYSA-N
- Exact Mass: 168.03350557
- Molecular Formula: C7H5FN2O2
- Molecular Weight: 168.12
- SMILES: C1=C(C=C(C2=C1NC(=O)O2)F)N
- Topological: 64.4
- Monoisotopic Mass: 168.03350557
- Synonyms: 5-Amino-7-fluorobenzo[d]oxazol-2(3H)-one, 1267629-05-9, 5-amino-7-fluoro-2,3-dihydro-1,3-benzoxazol-2-one, 5-AMINO-7-FLUORO-3H-1,3-BENZOXAZOL-2-ONE, SCHEMBL18062718, SAC62905, MFCD19374561, AKOS022468324, AS-41074, EN300-7409942, Z1251362941
Application
5-Amino-7-fluorobenzo[d]oxazol-2(3H)-one serves as a key intermediate in the synthesis of bioactive molecules targeting protein kinases and DNA gyrases. Its electron-deficient benzoxazolone core facilitates the development of fluorescent tags for biological imaging applications. Researchers utilize this compound to construct fused heterocyclic systems for antimicrobial drug discovery programs. The fluorine atom enhances metabolic stability in lead compounds, while the amino group provides a handle for further derivatization.
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