R-Metaraminol Impurity 43 CAS 21477-91-8
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 21477-91-8 |
| Molecular Formula | C9H13NO |
| Molecular Weight | 151.21 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
R-Metaraminol Impurity 43 (CAS 21477-91-8) is a high-purity pharmacopoeial impurity standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C9H13NO. Molecular weight: 151.21 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C9H13NO |
| Molecular Weight | 151.21 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (faint amine-like odor) |
| Purity | >95% |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1963 |
| Nitrogen Atoms | 1 |
Related R Standards
- Metaraminol Impurity 37 (CAS 55789-02-1)
- Metaraminol Impurity 15 (CAS 13103-80-5)
- Metaraminol Impurity 19 (CAS CATO-C4X-225219)
- Metaraminol Impurity N2 (CAS 693772-30-4)
- Metaraminol Impurity 27 (CAS 78523-29-2)
- Metaraminol Impurity 10 (CAS 639070-81-8)
- Metaraminol Impurity 18 (CAS CATO-C4X-225218)
- Metaraminol Impurity 40 (CAS 82499-20-5)
Recommended Standards
- Phenacetin Impurity 1 (CAS 3154-18-5)
- N-Methyltyramine (CAS 370-98-9)
- Neostigmine impurity 40 (CAS CATO-C4X-204240)
- Darolutamide Impurity 17 (CAS CATO-C4X-310617)
- N-Nitroso Nicergoline Impurity 24 (CAS CATO-C4X-208524)
- tert-Butyl 2-(pyridin-3-yl)piperazine-1-carboxylate (CAS 886771-08-0)
- 5-(5-chloro-1-methyl-1H-pyrazol-4-yl)-3-[4-(trifluoromethyl)phenyl]-1,2,4-oxadiazole (CAS 648427-08-1)
- 1-Propyl-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole (CAS 934586-51-3)
- 4-Bromo-9-phenyl-9H-carbazole (CAS 1097884-37-1)
- Calcium-Like Peptide 3 (CAS 261969-05-5)
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