6-Hydroxy-2-[(2,3,4-trimethoxyphenyl)methylidene]-2,3-dihydro-1-benzofuran-3-one CAS 256531-53-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 256531-53-0 |
| Molecular Formula | C18H16O6 |
| Molecular Weight | 328.32 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
6-Hydroxy-2-[(2,3,4-trimethoxyphenyl)methylidene]-2,3-dihydro-1-benzofuran-3-one (CAS 256531-53-0) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C18H16O6. Molecular weight: 328.32 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C18H16O6 |
| Molecular Weight | 328.32 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, 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 |
| Degree of Unsaturation (DBE) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
Related Hydroxy Standards
- 3-Hydroxy-7,8,3'-trimethoxyflavone (CAS 1017060-12-6)
- 2-(4-Hydroxy-3-methoxyphenyl)-5,7-dimethoxy-4H-chromen-4-one (CAS 1239-68-5)
- (2Z)-6-Hydroxy-2-(2,3,4-trimethoxybenzylidene)-1-benzofuran-3(2H)-one (CAS 1638956-60-1)
- 3-Hydroxy-2-(naphtho[2,1-b]furan-2-yl)-4H-chromen-4-one (CAS 353497-65-1)
- 3'-Hydroxy-5,7,4'-trimethoxyflavone (CAS 33554-52-8)
- 3-Hydroxy-7,8-dimethoxy-2-(4-methoxyphenyl)-4H-chromen-4-one (CAS 57499-06-6)
- 5-Hydroxy-3',4',7-trimethoxyflavone (CAS 29080-58-8)
- 6-Hydroxy-2-[(2,4,5-trimethoxyphenyl)methylidene]-2,3-dihydro-1-benzofuran-3-one (CAS 256531-54-1)
Recommended Standards
- 6-(((Benzyloxy)carbonyl)amino)-5-oxo-1,2,3,5-tetrahydroindolizine-3-carboxylic acid (CAS 402829-14-5)
- 5'-O-Benzoyl-2,3'-anhydrothymidine (CAS 70838-44-7)
- 6-Hydroxy-2-[(3,4,5-trimethoxyphenyl)methylidene]-2,3-dihydro-1-benzofuran-3-one (CAS 24414-58-2)
- N,N-Dimethylformamide-[13C,d] (CAS 1189568-10-2)
- N-(4-{[(4-chlorophenyl)sulfanyl]methyl}phenyl)thiophene-2-carboxamide (CAS 338398-88-2)
- 2-(Quinuclidin-3-yl)acetic acid hydrochloride (CAS 75208-56-9)
- Taletrectinib Impurity7 (CAS 1012344-76-1)
- Thioctic acid Impurity 90 (CAS 1795-62-6)
- Methyl 2-(2-oxo-3,4-dihydro-1,5-naphthyridin-1(2H)-yl)acetate hydrochloride (CAS 1951440-76-8)
- (Ser(PO3H2)202,Thr(PO3H2)205)-Tau Peptide (194-213) trifluoroacetate salt (CAS 2022956-55-2)
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