3-Bromobenzofuran-2(3H)-one CAS 115035-43-3
| CAS No. | 115035-43-3 |
| Molecular Formula | C8H5BrO2 |
| Molecular Weight | 213.03 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 3-Bromobenzofuran-2(3H)-one is closely related to a carboxylic acid group, a hydroxyl group, an ether linkage, bromine substitution, an aromatic ring system in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
3-Bromobenzofuran-2(3H)-one (CAS 115035-43-3), molecular formula C8H5BrO2 and molecular weight 213.03 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 3-Bromobenzofuran-2(3H)-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. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 3-Bromobenzofuran-2(3H)-one under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring 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.) | 1989 |
| Halogen Content | Br-containing |
Related Bromobenzofuran Standards
- 2-Bromobenzofuran-6-ol (CAS 112768-49-7)
- 4-Bromobenzofuran-7-ol (CAS 1522197-58-5)
- 5-Bromobenzofuran-6-ol (CAS 173290-19-2)
- 5-Bromobenzofuran-7-ol (CAS 1781485-15-1)
- 2-Bromobenzofuran-3(2H)-one (CAS 63379-58-8)
- 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
- 5-Bromo-3-cyano-4-methyl-2(1H)-pyridinone (CAS 1142188-69-9)
- 7-Bromo-2-methyloxazolo[4,5-c]pyridine (CAS 116081-17-5)
- 6-Bromo-2-methyloxazolo[5,4-b]pyridine (CAS 116081-18-6)
- 5-Bromo-1-methyl-2-oxo-1,2-dihydropyridine-3-carbonitrile (CAS 1126779-29-0)
- (R)-2-Phenyl-2,3-dihydroquinolin-4(1H)-one (CAS 113567-29-6)
- Palosuran (CAS 540769-28-6)
- (3S)-3-Hydroxy-β-ionone (CAS 76739-82-7)
- (Pyridin-3-ylmethyl)urea (CAS 36226-32-1)
- 4-(Adamantan-1-yl)-6-(methylthio)-1,3,5-triazin-2-amine (CAS 175204-72-5)
- N-(cyclohexylmethyl)propan-2-amine (CAS 54717-04-3)
- Methyl 1-(2-((tert-butoxycarbonyl)amino)ethyl)-1H-1,2,3-triazole-4-carboxylate (CAS 1613134-38-5)
- Geranylgeranio (CAS 24034-73-9)
- 1-Amino-3,4-dihydroquinolin-2(1H)-one (CAS 60230-78-6)
- β-Bag Cell Peptide (Aplysia californica) (CAS 109024-47-7)
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