Levocetirizine Impurity 44 CAS 442863-80-1
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 442863-80-1 |
| Molecular Formula | C21H25ClN2O4 |
| Molecular Weight | 404.89 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Levocetirizine Impurity 44 (CAS 442863-80-1) is a high-purity pharmacopoeial impurity standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C21H25ClN2O4. Molecular weight: 404.89 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C21H25ClN2O4 |
| Molecular Weight | 404.89 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | >95% |
| Storage | Store in a cool place (≤25°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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
Related Levocetirizine Standards
- Levocetirizine Impurity 70 (CAS CATO-C4X-108370)
- Levocetirizine Impurity 42 (CAS CATO-C4X-108342)
- Levocetirizine Impurity 8 (CAS 83881-46-3)
- Levocetirizine Impurity 53 (CAS CATO-C4X-108353)
- Levocetirizine Impurity 11 (CAS 246870-46-2)
- Levocetirizine Impurity 43 (CAS 1116338-10-3)
- Levocetirizine Impurity 35 (CAS 130018-76-7)
- Levocetirizine Impurity 69 (CAS CATO-C4X-108369)
Recommended Standards
- rac Cetirizine N-Oxide (Mixture of Diastereomers) (CAS 1076199-80-8)
- N-(3-Chloro-4-fluorophenyl)-4-hydroxy-1-methyl-1H-thieno[3,2-c][1,2]thiazine-3-carbothioamide 2,2-dioxide (CAS 320423-78-7)
- Bepotastine N-Oxide Impurity (CAS CATO-C4X-18391)
- Crisaborole lmpurity 76 (CAS 2227126-09-0)
- Trazodone Impurity 69 (CAS CATO-C4X-177269)
- 6-fluoro-2,3-dihydroxybenzoic acid (CAS 492444-05-0)
- 1-Methoxy-3-phenylcyclohepta[c]phosphole (CAS 87509-02-2)
- 5-Formyl-2-(piperidin-1-yl)benzonitrile (CAS 1272756-59-8)
- 2-(Methylsulfonyl)-1-(4-nitrophenyl)ethan-1-one (CAS 136819-50-6)
- (β-Asp5)-Delta-Sleep Inducing Peptide (CAS 82602-88-8)
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