Articaine Impurity N21 CAS 13781-65-2
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 13781-65-2 |
| Molecular Formula | C6H5ClOS |
| Molecular Weight | 160.62 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Articaine Impurity N21 (CAS 13781-65-2) is a pharmacopoeial impurity standards certified reference material from CATO. Molecular formula: C6H5ClOS. Molecular weight: 160.62 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C6H5ClOS |
| Molecular Weight | 160.62 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep tightly closed to prevent evaporation |
| 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.) | 1960 |
| Halogen Content | Cl-containing |
| Sulfur Atoms | 1 |
Related Articaine Standards
- Articaine Impurity 12 (CAS 39098-97-0)
- Articaine Impurity 25 (CAS CATO-C4X-191225)
- Articaine Hydrochloride EP Impurity I (CAS 85006-31-1)
- Articaine impurity 23 (CAS 2689-70-5)
- Articaine impurity 24 (CAS 7400-45-5)
- Articaine impurity 18 (CAS CATO-C4X-191218)
- Articaine Impurity14 (CAS CATO-C4X-191214)
- Articaine Impurity C86 (CAS 2169099-30-1)
Recommended Standards
- 4-Chlorothiophene-2-carboximidamide (CAS 1361003-73-7)
- 2-(4-Chlorothiophen-2-yl)acetaldehyde (CAS 1499659-20-9)
- 2-Chloro-5-cyclopropyl-1,3,4-thiadiazole (CAS 1343234-55-8)
- Roxadustat Impurity 88 (CAS CATO-C4X-221388)
- Clavulanate Potassium EP Impurity D (CAS 404839-11-8)
- 1,10-Phenanthroline (CAS 66-71-7)
- 5-Bromofuran-2-carbohydrazide (CAS 89282-37-1)
- Methyl 4-bromo-2-cyano-5-iodobenzoate (CAS 1805099-50-6)
- 2,5-Bis(pentan-3-ylamino)cyclohexa-2,5-diene-1,4-dione (CAS 865078-82-6)
- Neuropeptide Y (porcine) trifluoroacetate salt (CAS 83589-17-7)
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 13829788188 / jacky.chen@cato-chem.com