Polymyxin B2 CAS 34503-87-2
| CAS No. | 34503-87-2 |
| Molecular Formula | C55H96N16O13 |
| Molecular Weight | 1189.45 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of Polymyxin B2 is closely related to a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
Polymyxin B2 (CAS 34503-87-2) is a high-purity analytical reference standard with the molecular formula C55H96N16O13 and a molecular weight of 1189.45 g/mol.
Structurally, Polymyxin B2 (C55H96N16O13) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 16.0, corresponding to approximately 16 ring(s) or double-bond equivalent(s). With a molecular weight of 1189.45 g/mol, it falls into the high-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures Polymyxin B2 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 | C55H96N16O13 |
| Molecular Weight | 1189.45 g/mol |
| Purity | >95% |
| 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) | 16.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1966 |
| Nitrogen Atoms | 16 |
Related Polymyxin Standards
- Polymyxin B3 (CAS 71140-58-4)
- Polymyxin Impurity 25 (CAS CATO-C4X-225525)
- Polymyxin Impurity 27 (CAS CATO-C4X-225527)
- Polymyxin Impurity 28 (CAS CATO-C4X-225528)
- Polymyxin Impurity 29 (CAS CATO-C4X-225529)
- Polymyxin Impurity 30 (CAS CATO-C4X-225530)
- Polymyxin B - API Standards (CAS 1404-26-8)
- Polymyxin Impurity 38 (CAS CATO-C4X-225538)
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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