Cetirizine EP Impurity E(Dihydrochloride) CAS 83881-56-5
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 83881-56-5 |
| Molecular Formula | C23H29ClN2O4 2*HCl |
| Molecular Weight | N/A |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies Cetirizine EP Impurity E(Dihydrochloride) (CAS 83881-56-5), a pharmacopoeial impurity standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C23H29ClN2O4 2*HCl. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C23H29ClN2O4 2*HCl |
| Molecular Weight | 469.40 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1980 |
| 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
- Progesterone Impurity N10 (CAS 566-61-0)
- Rasagiline Impurity 76 (CAS CATO-C4X-191376)
- 3-(3,5-Bis(trifluoromethyl)phenyl)propanoic acid (CAS 181772-16-7)
- 2-(3-Chloro-2-(hydroxymethyl)phenyl)-6-cyclopropyl-8-fluoroisoquinolin-1(2H)-one, 97% (CAS 1242156-55-3)
- 8-Chloro-5-methylchromane-3-carboxylic acid (CAS 1522857-41-5)
- 5-(Carbamoylamino)-2-chlorobenzoic acid (CAS 1183985-90-1)
- 141801-03-8 IL-1 Receptor Peptide (human) (CAS 141801-03-8)
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