Hydroxyzine Impurity 1 CAS 628-89-7
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 628-89-7 |
| Molecular Formula | C4H9ClO2 |
| Molecular Weight | 124.57 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Order Hydroxyzine Impurity 1 (CAS 628-89-7) pharmacopoeial impurity standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C4H9ClO2. Molecular weight: 124.57 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C4H9ClO2 |
| Molecular Weight | 124.57 g/mol |
| Purity | >95% |
| Storage | Store at 2-8°C, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 0.0 |
| CAS Registry Year (est.) | 1957 |
| Halogen Content | Cl-containing |
Related Hydroxyzine Standards
- Hydroxyzine Pamoate (CAS 10246-75-0)
- Hydroxyzine Impurity 9 (CAS 1031-92-1)
- Hydroxyzine-d4 2HCl (2-hydroxyethoxy-d4) (CAS 1219805-91-0)
- Hydroxyzine Impurity 1 DiHCl (CAS 85293-16-9)
- Hydroxyzine Impurity 2 Dimaleate (Etodroxizine Dimaleate) (CAS 56335-21-8)
- Hydroxyzine dihydrochloride (CAS 2192-20-3)
- Hydroxyzine-d8 DiHCl (CAS 1808202-93-8)
- Hydroxyzine Impurity B Hydrochloride salt (CAS 1263283-80-2)
Recommended Standards
- Doxofylline Impurity 29 (CAS 97-97-2)
- (S)-4-chlorobutane-1,3-diol (CAS 139013-68-6)
- 3-Chloro-2-methylpropane-1,2-diol (CAS 597-33-1)
- Anastrozole Impurity 12 (CAS 19294-04-3)
- Apremilast Impurity 71 (CAS CATO-C4X-100971)
- tert-Butyl 1-formyl-6-azaspiro[2.5]octane-6-carboxylate (CAS 1416176-10-7)
- tert-Butyl cis-4-hydroxy-1-(trifluoromethyl)cyclohexane-1-carboxylate (CAS 2787518-72-1)
- 3-(Furan-2-yl)-N-(2-((6-methylpyridazin-3-yl)amino)ethyl)acrylamide (CAS 1251711-27-9)
- N-(2-(3-(Pyridin-4-yl)-1H-pyrazol-1-yl)ethyl)-2-(o-tolyloxy)acetamide (CAS 1448056-40-3)
- Tyr-Proinsulin C-Peptide (55-89) (human) (CAS 139532-11-9)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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