2-Bromobenzofuran-3(2H)-one CAS 63379-58-8
| CAS No. | 63379-58-8 |
| Molecular Formula | C8H5BrO2 |
| Molecular Weight | 213.03 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 2-Bromobenzofuran-3(2H)-one meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
CATO supplies 2-Bromobenzofuran-3(2H)-one (CAS 63379-58-8), a certified reference material (molecular formula C8H5BrO2, MW 213.03 g/mol) for analytical method development and quality control.
Structurally, 2-Bromobenzofuran-3(2H)-one (C8H5BrO2) contains a carboxylic acid group, a hydroxyl group, an ether linkage, bromine substitution, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 6.0, corresponding to approximately 6 ring(s) or double-bond equivalent(s). With a molecular weight of 213.03 g/mol, it falls into the medium-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C8H5BrO2 |
| Molecular Weight | 213.03 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1975 |
| Halogen Content | Br-containing |
Related Bromobenzofuran Standards
- 2-Bromobenzofuran-6-ol (CAS 112768-49-7)
- 3-Bromobenzofuran-2(3H)-one (CAS 115035-43-3)
- 4-Bromobenzofuran-7-ol (CAS 1522197-58-5)
- 5-Bromobenzofuran-6-ol (CAS 173290-19-2)
- 5-Bromobenzofuran-7-ol (CAS 1781485-15-1)
- 4-bromobenzofuran-5-ol (CAS 40432-23-3)
- 5-Bromobenzofuran-3(2H)-one (CAS 54450-20-3)
- 6-Bromobenzofuran-2(3H)-one (CAS 742079-90-9)
Recommended Standards
- 2-Bromo-4-methoxynicotinonitrile (CAS 98645-42-2)
- 2-Bromoisophthaldehyde (CAS 79839-49-9)
- 2-Amino-7-bromo-[1,2,4]triazolo[1,5-a]pyridine (CAS 882521-63-3)
- 2-Bromoterephthalaldehyde (CAS 90001-43-7)
- (R)-Chroman-4-YlamineHCl (CAS 210488-55-4)
- 2-Isopropyl-4-methyl-1H-imidazole-5-carbaldehyde (CAS 97749-74-1)
- (S)-Methyl 2-amino-3,3-diphenylpropanoate (CAS 196395-12-7)
- Methyl (2S,4S)-4-(2-chloro-5-methylphenoxy)-2-pyrrolidinecarboxylate (CAS 1217739-63-3)
- 2-(4,7-Dibromo-1H-indol-3-yl)acetonitrile (CAS 1227572-17-9)
- 5-Chloro-7-(pyridin-2-yl(pyrrolidin-1-yl)methyl)quinolin-8-ol (CAS 622792-20-5)
- 3-[(4-Chloro-2-isopropylphenoxy)methyl]piperidinehydrochloride (CAS 1220027-94-0)
- 9-(3-Bromophenyl)-9-phenyl-9H-fluorene (CAS 1257251-75-4)
- 2-(Piperidin-4-yl)pyrimidine (CAS 151389-25-2)
- Semaglutide impurity 44 (CAS CATO-C4X-222644)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
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