Montelukast Impurity 54 CAS 89729-09-9
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 89729-09-9 |
| Molecular Formula | C5H8O3S |
| Molecular Weight | 148.18 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Montelukast Impurity 54 (CAS 89729-09-9) is a high-purity pharmacopoeial impurity standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C5H8O3S. Molecular weight: 148.18 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C5H8O3S |
| Molecular Weight | 148.18 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 1982 |
| Sulfur Atoms | 1 |
Related Montelukast Standards
- Montelukast Impurity 39 (CAS 769-28-8)
- Montelukast Impurity 34 (CAS 162515-68-6)
- Montelukast Impurity N6 (CAS 66-40-0)
- Montelukast Impurity N2 (CAS 162515-66-4)
- Montelukast Impurity 21 (CAS 152922-72-0)
- Montelukast Impurity 48 (CAS 87764-54-3)
- Montelukast Impurity 23 (CAS 866923-64-0)
- Montelukast Impurity 53 (CAS 152922-71-9)
Recommended Standards
- 4-FLUOROGUAIACOL 4-Fluoro-2-methoxyphenol 450-93-1 5-FLUORO-2-HYDROXYANISOLE AS00164 (CAS 450-93-1)
- Ranitidine Impurity 11 (CAS 102721-76-6)
- 3-(Acetylthio)propionic acid 41345-70-4 NSC 96653 S-Acetyl-3-mercaptopropionic acid Thioacetic Acid S-(2-Carboxyethyl) Ester (CAS 41345-70-4)
- Rapamycin Impurity 22 (CAS 185107-79-3)
- Landiolol Impurity 138 (CAS CATO-C4X-2621138)
- 3-Nitro-1-(2-oxo-2-phenylethyl)pyridin-2(1H)-one (CAS 367454-75-9)
- N-(5-(((5-hydroxy-4-oxo-4H-pyran-2-yl)methyl)thio)-1,3,4-thiadiazol-2-yl)acetamide (CAS 2034154-82-8)
- (R)-1,2,3,6-Tetrahydropyridine-2-carboxylic acid (CAS 439913-00-5)
- N-(4-{[(5Z)-4-oxo-3-phenyl-2-[(4H-1,2,4-triazol-4-yl)imino]-1,3-thiazolidin-5-ylidene]methyl}phenyl)acetamide (CAS 478077-88-2)
- Tirzepatide Impurity 51 (CAS CATO-C4X-324051)
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