NS 1643 CAS 448895-37-2
| CAS No. | 448895-37-2 |
| Molecular Formula | C15H10F6N2O3 |
| Molecular Weight | 380.24 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), NS 1643 meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
CATO supplies NS 1643 (CAS 448895-37-2), a certified reference material (molecular formula C15H10F6N2O3, MW 380.24 g/mol) for analytical method development and quality control.
Based on its molecular formula C15H10F6N2O3, NS 1643 contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, fluorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 380.24 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C15H10F6N2O3 |
| Molecular Weight | 380.24 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 2 |
Recommended Standards
- Ethyl 6-oxo-4-(trifluoromethyl)-1-(4-(trifluoromethyl)phenyl)-1,6-dihydropyridazine-3-carboxylate (CAS 478067-23-1)
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- Ethyl 6-oxo-4-(trifluoromethyl)-1-(3-(trifluoromethyl)phenyl)-1,6-dihydropyridazine-3-carboxylate (CAS 478067-01-5)
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- Adrenal Peptide E, bovine (CAS 78355-50-7)
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 18665070610 / Nicole.chen@cato-chem.com