Montelukast Impurity N19 CAS 150026-73-6
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 150026-73-6 |
| Molecular Formula | C28H24ClNO2 |
| Molecular Weight | 441.95 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies Montelukast Impurity N19 (CAS 150026-73-6), a pharmacopoeial impurity standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C28H24ClNO2. Molecular weight: 441.95 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C28H24ClNO2 |
| Molecular Weight | 441.95 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | >95% |
| Storage | Store at room temperature, 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 17.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1999 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
Related Montelukast Standards
- Montelukast Impurity 29 (CAS 184764-13-4)
- Montelukast Dehydro Impurity (CAS 168214-68-4)
- Montelukast Impurity 27 (CAS 168214-67-3)
- Montelukast Impurity 32 (CAS 1187586-63-5)
- Montelukast Impurity 37 (CAS CATO-C4X-103137)
- Montelukast Impurity 11 (CAS 120578-04-3)
- Montelukast 3-Oxo Benzoate (CAS 149968-11-6)
- Montelukast Impurity 19 (CAS 1258428-71-5)
Recommended Standards
- 2-(4-(1-(4-Chlorophenyl)-4-(piperidin-1-yl)-1H-pyrazolo[3,4-d]pyrimidin-6-yl)piperazin-1-yl)ethanol (CAS 1207046-09-0)
- Methyl 2-[({5-[(E)-2-[(4-chlorophenyl)amino]ethenyl]-4-cyano-1,2-thiazol-3-yl}sulfanyl)methyl]benzoate (CAS 338778-49-7)
- 1-[3-(4-Chlorobenzenesulfonyl)-4-methyl-6-phenylpyridin-2-yl]-4-methylpiperazine (CAS 478245-22-6)
- Mirabegron Impurity 68 (CAS CATO-C4X-103268)
- Arotinolol Impurity 75 (CAS CATO-C4X-185475)
- 3-Amino-6-ethoxy-1H-isoindole-5-carboxamide (CAS 474554-90-0)
- 7-iodo-1H-indazol-3-amine (CAS 88805-78-1)
- Methyl 6-(4-formylpiperazin-1-yl)-4-methylnicotinate (CAS 1355192-60-7)
- Arotinolol Impurity 64 (CAS CATO-C4X-185464)
- [His]1-Acetylated Semaglutide (CAS CATO-C4X-2226219)
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