Aztreonam impurity 99 CAS CATO-C4X-152299
| CAS No. | CATO-C4X-152299 |
| Molecular Formula | C17H23N7O11S3 |
| Molecular Weight | 597.60 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C17H23N7O11S3, Aztreonam impurity 99 contains a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 597.60 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
As a process- or degradation-related impurity, Aztreonam impurity 99 (CAS CATO-C4X-152299, C17H23N7O11S3) is essential for impurity profiling, related-substances testing, and forced-degradation studies in pharmaceutical development.
Recommended for quantitative analysis by HPLC, GC, LC-MS/MS, or GC-MS as an external calibration standard; it can also be used for spiked-recovery experiments, LOD/LOQ determination, and LC-MS/MS multiple-reaction-monitoring (MRM) calibration.
CATO manufactures Aztreonam impurity 99 under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C17H23N7O11S3 |
| Molecular Weight | 597.60 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| Nitrogen Atoms | 7 |
| Sulfur Atoms | 3 |
Related Aztreonam Standards
- Aztreonam impurity 95 (CAS CATO-C4X-152295)
- Aztreonam impurity 96 (CAS CATO-C4X-152296)
- Aztreonam impurity 97 (CAS CATO-C4X-152297)
- Aztreonam Impurity 108 (CAS CATO-C4X-1522108)
- Aztreonam impurity 118 (CAS CATO-C4X-1522118)
- Aztreonam Impurity 2 (CAS CATO-C4X-15222)
- Aztreonam Impurity 20 (CAS CATO-C4X-152220)
- Aztreonam Impurity 23 (CAS CATO-C4X-152223)
Recommended Standards
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- 1-Benzyl-1-pyrazinium Bromide (CAS 163800-97-3)
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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 18665070610 / Nicole.chen@cato-chem.com