3,3'-((2-Chlorophenyl)methylene)bis(4-hydroxy-2h-chromen-2-one) CAS 4322-58-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 4322-58-1 |
| Molecular Formula | C25H15ClO6 |
| Molecular Weight | 446.84 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3,3'-((2-Chlorophenyl)methylene)bis(4-hydroxy-2h-chromen-2-one) (CAS 4322-58-1) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C25H15ClO6. Molecular weight: 446.84 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C25H15ClO6 |
| Molecular Weight | 446.84 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light, keep sealed and dry |
| 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) | 18.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
| Halogen Content | Cl-containing |
Related Chlorophenyl Standards
- Methyl 5-((3-chlorophenyl)carbamoyl)-2-(4-fluorobenzamido)-4-methylthiophene-3-carboxylate (CAS 335409-80-8)
- 3-(2-Chlorophenyl)-5-((2,6-dichlorobenzyl)thio)-4-phenyl-4H-1,2,4-triazole (CAS 443741-19-3)
- 4-[5-(4-Chlorophenyl)-1H-pyrazol-3-yl]-1-(2-nitrobenzenesulfonyl)piperidine (CAS 1025770-01-7)
- 2-(3-Chlorophenyl)-4-(3-(4-(methylthio)phenyl)-1,2,4-oxadiazol-5-yl)phthalazin-1(2H)-one (CAS 1291859-96-5)
- (E)-[(2-{[(4-chlorophenyl)methyl]sulfanyl}quinolin-3-yl)methylidene]amino 3-methylbenzoate (CAS 478079-35-5)
- 2-[(2-Chlorophenyl)methanesulfonyl]-4,5-diphenyl-1-(prop-2-yn-1-yl)-1H-imidazole (CAS 339277-75-7)
- 1-[(1E)-{[(4-chlorophenyl)methoxy]amino}methylidene]-3-(5-iodopyridin-2-yl)thiourea (CAS 338748-99-5)
- (E)-({5-[(4-chlorophenyl)sulfanyl]-1-methyl-3-(trifluoromethyl)-1H-pyrazol-4-yl}methylidene)amino 2,2-dichloroacetate (CAS 321553-42-8)
Recommended Standards
- 2-(3-Nitrophenyl)-2-oxoethyl 6-chloro-2-phenylquinoline-4-carboxylate (CAS 355420-42-7)
- Amlodipine Impurity 17 (CAS CATO-C4X-109517)
- ethyl 3-{[2-(aminocarbonyl)-5-(4-chlorophenyl)-3-thienyl]amino}-2-(2,2,2-trifluoroacetyl)acrylate (CAS 648410-16-6)
- Pyrrolidin-1-yl(1H-1,2,4-triazol-5-yl)methanone (CAS 1470113-85-9)
- 2-Bromothiazolo[5,4-c]pyridin-4(5H)-one (CAS 1035219-80-7)
- Lamotrigine (CAS 84057-84-1)
- 2,2',7,7'-Tetrabromo-9,9'-bifluorenylidene (CAS 27192-91-2)
- 4-(3-Chloro-4-ethoxyphenyl)thiazol-2-amine (CAS 375350-98-4)
- MT04 (CAS 923267-23-6)
- Tau Peptide (301-315) trifluoroacetate salt (CAS 330456-48-9)
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