Polymyxin E1 (Colistin A) X Acetate CAS 52798-95-5
| CAS No. | 52798-95-5 |
| Molecular Formula | C53H100N16O13 |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Polymyxin E1 (Colistin A) X Acetate (CAS 52798-95-5), molecular formula N/A and molecular weight N/A g/mol, is a CATO reference standard with documented purity and traceability.
Polymyxin E1 (Colistin A) X Acetate 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 analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C53H100N16O13 XC2H4O2 |
| Molecular Weight | 1229.53 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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1972 |
| 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
- J1J54V24R4 216167-82-7 Succinobucol Succinobucol [USAN:INN] Butanedioic acid, mono(4-((1-((3,5-bis(1,1-dimethylethyl)-4-hydroxyphenyl)thio)-1-methylethyl)thio)-2,6-bis(1,1-dimethylethyl)phenyl) ester AGI-1067 AGI1067 4-(4-((1-((3,5-bis(1,1-Dimethylethyl)-4-hydroxyphenyl)sulfanyl)-1-methylethyl)sulfanyl)-2,6-bis(1,1-dimethylethyl)phenoxy)-4-oxobutanoic acid UNII-J1J54V24R4 AGI 1067 Probucol monosuccinae (CAS 216167-82-7)
- 1-(2-Hydroxy-4-nitrophenyl)-3-octadecylpyrrolidine-2,5-dione (CAS 63966-94-9)
- 2,2,6,6-tetramethyl-1,2,3,6-tetrahydropyridine hydrochloride (CAS 1005-71-6)
- 4-(3,4-Dimethoxyphenyl)-1-butene (CAS 951891-30-8)
- 287111-08-4 Caprylic acid-8-13C Octanoic acid-8-13C (CAS 287111-08-4)
- 2-Methyl-1H-pyrrolo[2,3-b]quinoxaline (CAS 64802-13-7)
- ethyl 2-(oxan-2-yloxy)cyclopropane-1-carboxylate (CAS 387845-21-8)
- (S,R,S)-AHPC-C4-NH2 (dihydrochloride) (CAS 2341796-78-7)
- Ethyl 2-(4-(pyrrolidin-1-ylmethyl)benzoyl)benzoate (CAS 898776-11-9)
- [Glu]17-Semaglutide (CAS CATO-CPTD788604)
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