(R)-Cetirizine EP Impurity G DiHCl CAS 728948-88-7
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 728948-88-7 |
| Molecular Formula | C19H23ClN2O 2*HCl |
| Molecular Weight | N/A |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
(R)-Cetirizine EP Impurity G DiHCl (CAS 728948-88-7) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C19H23ClN2O 2*HCl. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C19H23ClN2O 2*HCl |
| Molecular Weight | 367.31 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 |
| 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1986 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
Related R 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
- Epalrestat impurity 37 (CAS CATO-C4X-223637)
- Dotinurad impurity 107 (CAS CATO-C4X-2494107)
- 5-amino-1-benzyl-1H,4H,5H-pyrazolo[3,4-d]pyrimidin-4-one (CAS 905244-78-2)
- (3-Fluorophenyl)(1-methyl-1H-pyrrol-2-yl)methanol (CAS 1443305-30-3)
- tert-Butyl 2-(hydroxymethyl)-2-methylazepane-1-carboxylate (CAS 1785541-37-8)
- 2,3-Dihydro-1H-cyclopenta[c]quinoline-4-thiol (CAS 15882-29-8)
- Semaglutide Impurity 125 xTFA Salt (CAS CATO-C4X-2226125)
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