Memantine impurity 58 CAS 49764-18-3
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 49764-18-3 |
| Molecular Formula | C20H30O |
| Molecular Weight | 286.45 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
High-purity Memantine impurity 58 (CAS 49764-18-3) pharmacopoeial impurity standards reference standard. Molecular formula: C20H30O. Molecular weight: 286.45 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C20H30O |
| Molecular Weight | 286.45 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1971 |
Related Memantine Standards
- Memantine Glycine tert-Butyl Ester (CAS 1537550-23-4)
- Memantine Impurity 62 (CAS 14931-70-5)
- Memantine Impurity 63 (CAS 875211-09-9)
- Memantine impurity 57 (CAS CATO-C4X-105857)
- Memantine Impurity 61 (CAS 111035-07-5)
- Memantine Dedimethyl Dibromo (CAS 1797133-04-0)
- Memantine Impurity 64 (CAS 2123482-13-1)
- Memantine Impurity 66 (CAS CATO-C4X-105866)
Recommended Standards
- Ferruginol (CAS 514-62-5)
- Vitamin A EP Impurity C（Mixture of Z and E Isomers） (CAS 16729-22-9 ((3E)-Isomer))
- 3331-46-2 7-OXO-7,8,9,10-TETRAHYDROBENZO[A]PYRENE 9,10-DIHYDROBENZO[A]PYREN-7(8H)-ONE 9,10-DIHYDROBENZO[A]PYRENE-7[8H]-ONE 9,10-DIHYDROBENZO[PQR]TETRAPHEN-7(8H)-ONE 9,10-Dihydro-8H-benzo[def]chrysen-7-one AS06637 (CAS 3331-46-2)
- Lidocaine EP Impurity E (CAS 745798-07-6)
- Prednisolone impurity 56 (CAS CATO-C4X-173756)
- 2,6-Dimethyl-1,2,3,4-tetrahydroquinoline (CAS 16078-45-8)
- 1-(2,6-Dichloro-4-(perfluoropropan-2-yl)phenyl)-4-iodo-1h-pyrazole (CAS 2084123-37-3)
- 1-(6-phenylpyrimidin-4-yl)cyclopropane-1-carboxylic acid (CAS 1706448-87-4)
- [rel-(1R,5S,6r)-3-benzyl-3-azabicyclo[3.1.0]hexan-6-yl]methanol (CAS 134575-07-8)
- Neuropeptide VF (124-131) (human) (CAS 311309-27-0)
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