7-Chloro-5-methylbenzofuran-3(2H)-one CAS 3261-10-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 3261-10-7 |
| Molecular Formula | C9H7ClO2 |
| Molecular Weight | 182.60 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
7-Chloro-5-methylbenzofuran-3(2H)-one (CAS 3261-10-7) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C9H7ClO2. Molecular weight: 182.60 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C9H7ClO2 |
| Molecular Weight | 182.60 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.) | 1957 |
| Halogen Content | Cl-containing |
Related Chloro Standards
- 5-Chloro-3,4-dihydro-2h-1-benzopyran-3-one (CAS 1154740-80-3)
- 5-Chloro-7-methylisobenzofuran-1(3H)-one (CAS 118343-26-3)
- 7-Chloro-5-hydroxy-2,3-dihydro-1H-inden-1-one (CAS 1199782-69-8)
- 5-Chloro-2,3-dihydrochromen-4-one (CAS 1199782-82-5)
- 4-Chloro-6-hydroxy-2,3-dihydro-1H-inden-1-one (CAS 1199782-98-3)
- 5-Chloro-6-hydroxy-2,3-dihydro-1H-inden-1-one (CAS 1228678-18-9)
- 6-Chloro-5-hydroxy-2,3-dihydro-1H-inden-1-one (CAS 1260012-31-4)
- 2-Chloro-4-ethenylbenzoic acid (CAS 1266121-77-0)
Recommended Standards
- 7-Chloro-5-methoxybenzofuran (CAS 90533-29-2)
- 7-Chloro-6-hydroxy-2,3-dihydro-1H-inden-1-one (CAS 90273-28-2)
- 7-Chloro-4-hydroxy-1-indanone (CAS 24425-39-6)
- 2-{4-[3-chloro-5-(trifluoromethyl)pyridin-2-yl]piperazin-1-yl}-N'-[(1Z)-{[(4-chlorophenyl)methoxy]imino}methyl]acetohydrazide (CAS 338979-31-0)
- 7-bromo-5-fluoro-2-methyl-1H-benzimidazole (CAS 1416372-87-6)
- 4-(4-Bromophenyl)but-3-en-2-ol (CAS 875852-27-0)
- 2-(4-Chloro-3-nitro-1h-pyrazol-1-yl)-1-(piperazin-1-yl)ethan-1-one (CAS 1001757-61-4)
- 6-Chloro-2-methoxy-9-phenoxyacridine (CAS 7478-26-4)
- 4-(2-Hydroxy-5-methoxyphenyl)-4-oxobutanoic acid (CAS 75501-54-1)
- Tirzepatide Impurity 9 (CAS CATO-C4X-32409)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com