1,2,3,4,5-Pentamethoxybenzene CAS 13909-75-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 13909-75-6 |
| Molecular Formula | C11H16O5 |
| Molecular Weight | 228.24 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Order 1,2,3,4,5-Pentamethoxybenzene (CAS 13909-75-6) pharmaceutical standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C11H16O5. Molecular weight: 228.24 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C11H16O5 |
| Molecular Weight | 228.24 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1960 |
Recommended Standards
- 3-(O-tolyloxy)benzoicacid (CAS 135611-26-6)
- Tolcapone Related Compound A (CAS 1391053-03-4)
- 2-(Benzyloxy)-4-hydroxybenzaldehyde (CAS 1352526-75-0)
- tert-Butyl 4-methylindoline-1-carboxylate (CAS 1824265-66-8)
- 3-Bromo-1-(p-tolyl)propan-1-one (CAS 33994-09-1)
- (3-(tert-Butyl)cyclobutyl)methanol (CAS 1781883-92-8)
- 2-[2-(4-Fluorophenoxymethyl)-1,3-thiazol-4-yl]acetic acid (CAS 929974-99-2)
- 2-(6-Ethyl-4-oxoquinolin-1(4H)-yl)acetonitrile (CAS 1279210-09-1)
- 3-Bromo-2,2-dimethylpropanoyl chloride (CAS 2941-17-5)
- Semaglutide Impurity 167 (CAS CATO-C4X-2226167)
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