5,6-Dehydro-N-methyl Desloratadine CAS 117811-18-4
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 117811-18-4 |
| Molecular Formula | C20H19ClN2 |
| Molecular Weight | 322.83 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 5,6-Dehydro-N-methyl Desloratadine (CAS 117811-18-4), a pharmacopoeial impurity standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C20H19ClN2. Molecular weight: 322.83 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C20H19ClN2 |
| Molecular Weight | 322.83 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | >95% |
| 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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
Related Dehydro Standards
- Dehydro Monocrotaline (CAS 23291-96-5)
- 2-Dehydro-3-methoxy Tibolone (1.0mg/ml in Acetonitrile) (CAS 15506-05-5)
- 2-Dehydro-3-methoxy 7β-Tibolone (1.0mg/ml in Acetonitrile) (CAS 32297-44-2)
- 3-Dehydro Retinol Acetate (CAS 20008-04-2)
- 3-Dehydro Retinol Acetate-d3 (CAS 1795137-64-2)
- 11-Dehydro-Progesterone (CAS 2625-60-7)
- Dehydro Warfarin-d5 (CAS 1346606-43-6)
- Dehydro desloratadine (CAS 117811-20-8)
Recommended Standards
- Tert-butyl 5-chlorospiro[indoline-3,4'-piperidine]-1-carboxylate (CAS 1160247-22-2)
- 1-(2-(4-(4-Chlorophenyl)piperazin-1-yl)ethyl)-3-cyclopropylurea (CAS 1207054-99-6)
- tert-Butyl 4-chlorospiro[indoline-3,4'-piperidine]-1'-carboxylate (CAS 1129432-44-5)
- Dutasteride EP Impurity I (CAS 3088800-46-5)
- Enarodustat Impurity 3 (CAS CATO-C4X-32283)
- 2-Cyclopropoxy-1-ethyl-3-(trifluoromethyl)benzene (CAS 1243462-47-6)
- 2-(3-(2-Fluorophenyl)-2-oxoimidazolidin-1-yl)-N-(2-(thiophen-2-yl)ethyl)acetamide (CAS 1251688-18-2)
- N-(5-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-3-yl)methanesulfonamide (CAS 1201643-71-1)
- (R)-3-((tert-Butoxycarbonyl)amino)-3-cyclopentylpropanoic acid (CAS 1260604-42-9)
- Neuropeptide Y (2-36) (human, rat) trifluoroacetate salt (CAS 123139-39-9)
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