Diphenhydramin EP Impurity B HCl (Dimenhydrinate EP Impurity G HCl) CAS 4024-34-4
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 4024-34-4 |
| Molecular Formula | C18H23NO HCl |
| Molecular Weight | N/A |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Diphenhydramin EP Impurity B HCl (Dimenhydrinate EP Impurity G HCl) (CAS 4024-34-4) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C18H23NO HCl. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C18H23NO HCl |
| Molecular Weight | 305.85 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor) |
| Purity | >95% |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
Recommended Standards
- Ilaprazole Impurity 220 (CAS CATO-C4X-1130220)
- Butylphthalide Impurity 66 (CAS 950681-46-6)
- 3-Amino-2-(methylamino)benzoic acid (CAS 766491-67-2)
- Methyl 2-(1-ethyl-3-methyl-1h-pyrazol-4-yl)quinoline-4-carboxylate (CAS 1004644-10-3)
- (5-Cyclopropyl-1,3-oxazol-2-yl)methanamine (CAS 1216101-20-0)
- 6-Aminospiro[2.5]octane (CAS 99799-73-2)
- D-[Val]10-Semaglutide (CAS CATO-CPTD788630)
Why CATO?
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