Montelukast Impurity 35 CAS 1351973-25-5
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 1351973-25-5 |
| Molecular Formula | C36H38ClNO3S |
| Molecular Weight | 600.21 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Montelukast Impurity 35 (CAS 1351973-25-5) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C36H38ClNO3S. Molecular weight: 600.21 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C36H38ClNO3S |
| Molecular Weight | 600.21 g/mol |
| Purity | >95% |
| Storage | Store at room temperature, protect from light, keep sealed and dry |
| 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) | 18.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1991 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
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Recommended Standards
- Copper, [2,7,12,17-tetrakis(1,1-dimethylethyl)-21H,23H-porphyrazinato(2-)-κN21,κN22,κN23,κN24]-, (SP-4-1)- (CAS 65124-35-8)
- 2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11-Icosafluoroundecyl methacrylate (CAS 41123-44-8)
- Crizotinib impurity 26 (CAS CATO-C4X-102526)
- Dronedarone Impurity 30 (CAS CATO-C4X-109230)
- Dobutamine Impurity 60 (CAS 63434-00-4)
- n-[4-(1-aminoethyl)phenyl]propanamide (CAS 953724-47-5)
- Vortioxetine Impurity 64 (CAS 38360-81-5)
- 5-Bromo-2-hydrazinyl-4-methylpyridine (CAS 913839-67-5)
- N-((5-ethylthiophen-2-yl)methyl)thietan-3-amine (CAS 1865219-63-1)
- [pGlu] Semaglutide (CAS CATO-C4X-2226288)
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