1,2,3-Trimethoxy-6,7,8,9-tetrahydro-5H-benzo[7]annulen-5-one CAS 408330-93-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 408330-93-8 |
| Molecular Formula | C14H18O4 |
| Molecular Weight | 250.29 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1,2,3-Trimethoxy-6,7,8,9-tetrahydro-5H-benzo[7]annulen-5-one (CAS 408330-93-8) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C14H18O4. Molecular weight: 250.29 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C14H18O4 |
| Molecular Weight | 250.29 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
Related Trimethoxy Standards
- 2,3,4-Trimethoxy-6-(prop-2-yn-1-yloxy)benzaldehyde (CAS 861208-24-4)
- 4,6,7-Trimethoxy-5-methyl-2H-chromen-2-one (CAS 62615-63-8)
- 5,6,7-Trimethoxy-4-methyl-2H-chromen-2-one (CAS 7679-43-8)
- 5,6,7-Trimethoxy-1H-indole-2-carboxylic acid (CAS 128781-07-7)
- 4,5,6-Trimethoxy-1h-indole-2-carboxylic acid (CAS 30448-09-0)
- 6,7,8-trimethoxy-2,3,4,5-tetrahydro-1H-3-benzazepin-2-one (CAS 1421602-05-2)
- 6,7,8-Trimethoxy-2,4(1H,3H)-quinazolinedione (CAS 30896-98-1)
- 2,5,8-Trimethoxy-4-methylquinolin-6-amine (CAS 49584-51-2)
Recommended Standards
- 1,1'-(9H-Fluorene-2,7-diyl)diethanone (CAS 39665-89-9)
- 1,3-Diethyl 2-(3-methylphenyl)propanedioate (CAS 94112-78-4)
- 1,1'-(9H-Fluorene-2,5-diyl)diethanone (CAS 60505-53-5)
- 6-Amino-2-fluoro-N,N-dimethyl-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzamide (CAS 2244517-33-5)
- 2-({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)-3-(1-methylcyclobutyl)propanoic acid (CAS 1869480-16-9)
- 6-amino-5-(2-chloroacetyl)-1-cyclopropyl-1,2,3,4-tetrahydropyrimidine-2,4-dione (CAS 874754-20-8)
- (1H-indol-3-yl)methanethiol (CAS 86204-60-6)
- 3-(Phenylthio)piperidin-2-one (CAS 104261-03-2)
- 1,1,1-Trifluoro-3-methylpentan-2-ol (CAS 1251029-35-2)
- 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