2',3'-Dihydro-7-methoxy-spiro[isobenzofuran-1(3H),1'-[1H]phenalen]-3-one CAS 1391052-83-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1391052-83-7 |
| Molecular Formula | C21H16O3 |
| Molecular Weight | 316.35 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Order 2',3'-Dihydro-7-methoxy-spiro[isobenzofuran-1(3H),1'-[1H]phenalen]-3-one (CAS 1391052-83-7) pharmaceutical standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C21H16O3. Molecular weight: 316.35 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C21H16O3 |
| Molecular Weight | 316.35 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 chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1991 |
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Recommended Standards
- 3-(2-(Naphthalen-2-yloxy)ethyl)quinazolin-4(3H)-one (CAS 138841-14-2)
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- 1-[(tert-butoxy)carbonyl]-3-{[(tert-butoxy)carbonyl]amino}azetidine-3-carboxylic acid (CAS 1363382-07-3)
- 3-(3,4-Difluorobenzyl)azetidine (CAS 937609-49-9)
- Norethisterone Acetate (CAS 51-98-9)
- Ethambutol-d4 Dihydrochloride (CAS 1129526-19-7)
- 3-(4-Chlorophenoxy)piperidine (CAS 384346-27-4)
- Methyl 5-bromo-2-hydroxybenzo[d]oxazole-7-carboxylate (CAS 1221792-66-0)
- 4-Chloro-1H-pyrrolo[3,2-c]pyridine-3-carboxylic acid (CAS 1190316-39-2)
- Insulin Degludec Impurity 6 (CAS CATO-C4X-21576)
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