Cetirizine EP Impurity D DiHCl CAS 856841-95-7
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 856841-95-7 |
| Molecular Formula | C30H28Cl2N2 2*HCl |
| Molecular Weight | N/A |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Cetirizine EP Impurity D DiHCl (CAS 856841-95-7) is a high-purity pharmacopoeial impurity standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C30H28Cl2N2 2*HCl. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C30H28Cl2N2 2*HCl |
| Molecular Weight | 523.93 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | >95% |
| Storage | Store at room temperature, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 16.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
Related Cetirizine Standards
- Cetirizine EP Impurity B (CAS 1000690-91-4)
- Cetirizine Impurity 10 (CAS 1016-78-0)
- rac Cetirizine N-Oxide (Mixture of Diastereomers) (CAS 1076199-80-8)
- Cetirizine USP Related Compound B (CAS 108983-83-1)
- Cetirizine EP Impurity G (CAS 109806-71-5)
- (R)-Cetirizine-d4 Dihydrochloride (CAS 1133210-23-7)
- Cetirizine Impurity N19 (CAS 113740-61-7)
- rac Cetirizine-d8 N-Oxide (CAS 1216444-13-1)
Recommended Standards
- Clofarabine Impurity 13 (CAS 1904-98-9)
- Lurbinectedin Impurity 38 (CAS CATO-C4X-311438)
- 1-(Dimethylamino)butan-2-one (CAS 114049-99-9)
- Octopamine-13C2,15N (CAS 1189693-94-4)
- 1-(5-{[3-(hydroxymethyl)piperidin-1-yl]carbonyl}-1H-pyrrol-3-yl)ethan-1-one (CAS 1155904-64-5)
- (1S,2R)-(+)-N-Methylephedrine (CAS 42151-56-4)
- Urotensin II-Related Peptide (human, mouse, rat) (CAS 342878-90-4)
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