Montelukast Impurity 48 CAS 87764-54-3
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 87764-54-3 |
| Molecular Formula | C6H5NO3S |
| Molecular Weight | 171.17 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
High-purity Montelukast Impurity 48 (CAS 87764-54-3) pharmacopoeial impurity standards reference standard. Molecular formula: C6H5NO3S. Molecular weight: 171.17 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C6H5NO3S |
| Molecular Weight | 171.17 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1982 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Montelukast Standards
- Montelukast Impurity 21 (CAS 152922-72-0)
- Montelukast Impurity N6 (CAS 66-40-0)
- Montelukast Impurity 55 (CAS 152922-86-6)
- Montelukast Impurity 54 (CAS 89729-09-9)
- Montelukast Impurity 39 (CAS 769-28-8)
- Montelukast Impurity 34 (CAS 162515-68-6)
- Montelukast Impurity N4 (CAS 855473-50-6)
- Montelukast Impurity 57 (CAS 30220-25-8)
Recommended Standards
- 317-20-4 7-FLUORO-1H-INDOLE-2,3-DIONE 7-FLUORO-2,3-INDOLINEDIONE 7-FLUOROINDOLE-1H-2,3-DIONE 7-FLUOROINDOLE-2,3-DIONE 7-FLUOROINDOLINE-2,3-DIONE 7-FLUOROISATINE 7-FLUOROMETHYLISATIN 7-Fluoroisatin AS02428 BUTTPARK 24\07-37 OTAVA-BB 1217730 (CAS 317-20-4)
- Rtitrexed Impurity 21 (CAS CATO-C4X-138621)
- 1,3-DIFLUORO-5-ISOTHIOCYANATOBENZENE 3,5-Difluorophenyl isothiocyanate 302912-39-6 AKOS JY2072175 AS00363 TOSLAB 876253 (CAS 302912-39-6)
- Axitinib Impurity 54 (CAS CATO-C4X-107154)
- Miglitol Impurity 17 (CAS 2954791-12-7)
- (2S,3R,4S,5R,6R)-2-(benzyloxy)-6-(hydroxymethyl)tetrahydro-2H-pyran-3,4,5-triol (CAS 86196-36-3)
- 6-Amino-2,2-difluorobenzo[d][1,3]dioxole-5-carbaldehyde (CAS 294619-52-6)
- 1,2-Dipalmitoyl-rac-glycero-3-phosphocholine (CAS 2644-64-6)
- 4-(Pyrrolidin-1-ylmethyl)aniline dihydrochloride (CAS 866954-94-1)
- D-Pro37-Tirzepatide (CAS CATO-CPTD788902)
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