rac-Aztreonam E Isomer CAS 91907-97-0
| CAS No. | 91907-97-0 |
| Molecular Formula | C13H17N5O8S2 |
| Molecular Weight | 435.43 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies rac-Aztreonam E Isomer (CAS 91907-97-0), a certified reference material (molecular formula C13H17N5O8S2, MW 435.43 g/mol) for analytical method development and quality control.
Based on its molecular formula C13H17N5O8S2, rac-Aztreonam E Isomer contains a nitrogen-containing heterocyclic scaffold, 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 435.43 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
CATO manufactures rac-Aztreonam E Isomer 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 | C13H17N5O8S2 |
| Molecular Weight | 435.43 g/mol |
| Purity | >90% |
| 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1983 |
| Nitrogen Atoms | 5 |
| Sulfur Atoms | 2 |
Related rac Standards
- Aztreonam 95%HPLC (CAS 149496-40-2)
- Aztreonam (Anhydrous) (CAS 78110-38-0)
- Aztreonam Impurity 33 (CAS CATO-C4X-152233)
- Aztreonam impurity 77 (CAS CATO-C4X-152277)
- Aztreonam USP RC E (CAS 99341-02-3)
- Aztreonam impurity 86 (CAS CATO-C4X-152286)
- Aztreonam Impurity 14 (CAS CATO-C4X-152214)
- Aztreonam-d6 (CAS 1127452-94-1)
Recommended Standards
- Picosulfate Impurity 34 (CAS CATO-C4X-123734)
- (2R,3R)-Aztreonam Impurity (CAS CATO-C4X-15225)
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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