4-Methyl-5-phenylfuran-2,3-dione CAS 55991-71-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 55991-71-4 |
| Molecular Formula | C11H8O3 |
| Molecular Weight | 188.18 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-Methyl-5-phenylfuran-2,3-dione (CAS 55991-71-4) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C11H8O3. Molecular weight: 188.18 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C11H8O3 |
| Molecular Weight | 188.18 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, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1972 |
Related Methyl Standards
- 3-Phenylfuran-2-carboxylic acid (CAS 169772-63-8)
- 2-Phenylfuran-3-carboxylic acid (CAS 57697-76-4)
- 3-Methyl-4-phenylfuran-2,5-dione (CAS 41016-29-9)
- 4-Phenylfuran-2-carboxylic acid (CAS 86471-28-5)
- (2-Methyl-5-phenylfuran-3-yl)methanol (CAS 111787-91-8)
- (5-Methyl-2-phenylfuran-3-yl)methanol (CAS 183210-33-5)
- (5-Phenylfuran-2-yl)boronic acid (CAS 1628569-51-6)
- (4-Phenylfuran-2-yl)boronic acid (CAS 2096339-14-7)
Recommended Standards
- 4-Methyl-5-nitro-2-vinylbenzonitrile (CAS 2113623-96-2)
- 4-Methyl-6-nitroquinoline (CAS 41037-30-3)
- 4-Methyl-3-oxo-3,4-dihydro-2H-benzo[1,4]oxazine-6-carbonitrile (CAS 916210-08-7)
- 2-(4-Bromophenyl)-5'-fluoro-2'-hydroxyacetophenone (CAS 527751-51-5)
- 5,5-Dimethyl-2-(3-methylbutanoyl)cyclohexane-1,3-dione (CAS 1262769-43-6)
- 5-Bromo-N,N-dimethylpyridine-2-sulfonamide (CAS 1000848-50-9)
- Ciprofibrate EP Impurity B (CAS 52179-26-7)
- (R)-2-(benzofuran-3-yl)-1-((3aS,4S,6S,7aR)-3a,5,5-trimethylhexahydro-4,6-methanobenzo[d][1,3,2]dioxaborol-2-yl)ethan-1-amine 2,2,2-trifluoroacetate (CAS 1444009-46-4)
- 5-(Amino(phenyl)methyl)-4-methyl-N,N-dipropylpyridin-2-amine (CAS 1355204-20-4)
- Semaglutide impurity 205 (CAS CATO-C4X-2226205)
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