Guaiacol EP Impurity C CAS 91-16-7
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 91-16-7 |
| Molecular Formula | C8H10O2 |
| Molecular Weight | 138.16 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
High-purity Guaiacol EP Impurity C (CAS 91-16-7) pharmacopoeial impurity standards reference standard. Molecular formula: C8H10O2. Molecular weight: 138.16 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C8H10O2 |
| Molecular Weight | 138.16 g/mol |
| Purity | >95% |
| Storage | Store at 2-8°C |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
Related Guaiacol Standards
Recommended Standards
- Dopamine Impurity 25 (CAS 1124-39-6)
- Phloroglucinol Impurity 31 (CAS 151-10-0)
- Metoprolol EP Impurity G (CAS 501-94-0)
- Orlistat Impurity 39 (CAS CATO-C4X-149939)
- Estradiol Impurity 38 (CAS 4966-70-5)
- Malic Acid Impurity 9 (CAS CATO-C4X-25099)
- N-(Quinolin-2-yl)formamide (CAS 89067-40-3)
- (4-Aminopiperidin-1-yl)(5-methylpyrazin-2-yl)methanone (CAS 953903-49-6)
- Boc-L-cyclobutylglycine (CAS 155905-77-4)
- Characteristic MSH-Tetrapeptide (CAS 4289-02-5)
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