Polymyxin Impurity 21 X Trifluoroacetate CAS CATO-C4X-225521
| CAS No. | CATO-C4X-225521 |
| Molecular Formula | C55H96N16O13 |
| Molecular Weight | N/A |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures Polymyxin Impurity 21 X Trifluoroacetate 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.
As a process- or degradation-related impurity, Polymyxin Impurity 21 X Trifluoroacetate (CAS CATO-C4X-225521, N/A) is essential for impurity profiling, related-substances testing, and forced-degradation studies in pharmaceutical development.
Polymyxin Impurity 21 X Trifluoroacetate is supplied as a fully characterized reference material; its structural identity, assigned purity, and stability data are documented in the batch-specific Certificate of Analysis (COA).
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.
Physical & Chemical Properties
| Molecular Formula | C55H96N16O13 XC2HF3O2 |
| Molecular Weight | 1303.49 g/mol |
| Purity | >80% |
| 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 16.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| Halogen Content | F-containing |
| Nitrogen Atoms | 16 |
Related Polymyxin Standards
- Polymyxin B - API Standards (CAS 1404-26-8)
- Polymyxin B Sulfate (CAS 1405-20-5)
- Polymyxin B nonapeptide TFA (CAS 2220175-42-6)
- Polymyxin Impurity 56 X Trifluoroacetate (CAS 3034660-94-8 (free base))
- Polymyxin E2 (CAS 30387-41-8)
- Polymyxin Impurity 20 (CAS 343979-23-7)
- Polymyxin B2 (CAS 34503-87-2)
- Polymyxin B2 XTFA Salt (CAS 34503-87-2 (free base))
Recommended Standards
- Regorafenib Impurity 61 (CAS 327-78-6)
- Levothyroxine Impurity 36 (CAS 100130-56-1)
- Fudosteine Impurity 31 (CAS CATO-C4X-144731)
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- methyl imidazo[1,2-a]pyridine-7-carboxylate (CAS 86718-01-6)
- 1-Bromo-4-methylpentane (CAS 626-88-0)
- 8-((2-(Diethylamino)ethyl)amino)-3-methyl-3,7-dihydro-1H-purine-2,6-dione (CAS 672270-14-3)
- 2-[4-(2,2-dimethylpropyl)-1H-pyrazol-3-yl]acetic acid (CAS 1369088-95-8)
- 2-[[(3-Bromophenyl)amino]methylene]propanedioic Acid 1,3-Diethyl Ester (CAS 351893-47-5)
- Des-Lys20(Side Chain)-Semaglutide (CAS CATO-C4X-2226280)
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