3-(4-Chlorophenoxy)-7-hydroxy-4H-1-benzopyran-4-one CAS 137987-94-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 137987-94-1 |
| Molecular Formula | C15H9ClO4 |
| Molecular Weight | 288.68 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-(4-Chlorophenoxy)-7-hydroxy-4H-1-benzopyran-4-one (CAS 137987-94-1) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C15H9ClO4. Molecular weight: 288.68 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C15H9ClO4 |
| Molecular Weight | 288.68 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1996 |
| Halogen Content | Cl-containing |
Related Chlorophenoxy Standards
- 3-(2-Chlorophenoxy)-7-hydroxy-4H-chromen-4-one (CAS 433257-59-1)
- 2-(4-Chlorophenoxy)-1-(2-thioxothiazolidin-3-yl)ethan-1-one (CAS 123529-83-9)
- 5-((2-(2-Chlorophenoxy)ethyl)thio)-1,3,4-thiadiazol-2-amine (CAS 404376-76-7)
- 3-(2-Benzyl-4-chlorophenoxy)pyrrolidine (CAS 946760-55-0)
- 1-(2-(2-Chlorophenoxy)ethyl)-1,3-dihydro-2h-benzo[d]imidazol-2-imine (CAS 309938-38-3)
- 1-(2-(4-Chlorophenoxy)ethyl)-1H-benzo[d]imidazol-2-amine (CAS 364617-45-8)
- 2-[(3-Chlorophenoxy)methyl]-2,3-dihydro-1H-isoindole-1,3-dione (CAS 220966-20-1)
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Recommended Standards
- 2-Chloro-N-(2,5-dimethoxy-4-nitrobenzyl)acetamide (CAS 1003114-57-5)
- 2-(3-Chlorophenyl)-5,7-dihydroxy-4H-chromen-4-one (CAS 152969-68-1)
- 4-Ethoxy-3-(trifluoromethyl)benzenesulfonyl chloride (CAS 1706446-86-7)
- 1-(6-Methoxypyridin-3-yl)piperazine (CAS 158399-76-9)
- 2-Chloro-4-(3-chlorophenyl)-6-phenyl-1,3,5-triazine (CAS 2125473-29-0)
- tert-Butyl 4-Formylbenzoate (CAS 65874-27-3)
- tert-Butyl (3-((((2,5-dioxopyrrolidin-1-yl)oxy)carbonyl)oxy)propyl)carbamate (CAS 613666-84-5)
- N-[(2-Ethoxy-1,3-thiazol-5-yl)methyl]-2-(4-fluorophenyl)ethanamine hydrochloride (CAS 937663-08-6)
- N-cyclopropyl-2-(2-oxobenzo[d]oxazol-3(2H)-yl)acetamide (CAS 848903-91-3)
- Ac-(5-31)Semaglutide (CAS CATO-C4X-2226279)
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