5-Chloro-7-methyl-2,3-dihydro-1-benzofuran-3-one CAS 78132-94-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 78132-94-2 |
| Molecular Formula | C9H7ClO2 |
| Molecular Weight | 182.60 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 5-Chloro-7-methyl-2,3-dihydro-1-benzofuran-3-one (CAS 78132-94-2), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C9H7ClO2. Molecular weight: 182.60 g/mol. Batch-specific COA and technical support are available on request.
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.) | 1979 |
| 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
- 5-Chloro-3-methylisobenzofuran-1(3H)-one (CAS 60253-34-1)
- 6-Chloro-4-chromanone (CAS 37674-72-9)
- 5-Chloro-2,3-dihydrobenzofuran-7-carbaldehyde (CAS 82060-93-3)
- 5-[6-fluoro-1-(propan-2-yl)-1h-1,3-benzodiazol-2-yl]-2-methylaniline (CAS 1333549-25-9)
- 4-Chloro-3-methyl-2,2-diphenylbutyronitrile (CAS 133132-74-8)
- 2-Methyl-4-(tetrahydro-2h-pyran-4-yl)butan-1-amine (CAS 1344051-90-6)
- 2,4-Dimethoxy-5-nitro-pyridine (CAS 607373-84-2)
- 4-(1-Piperazinyl)-1-butanol (CAS 5623-92-7)
- (S)-Methyl 2-amino-4-(dimethylamino)butanoate (CAS 794486-86-5)
- Semaglutide Impurity 115 (CAS CATO-C4X-2226115)
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