Ceftriaxone EP Impurity E CAS 58909-56-1
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 58909-56-1 |
| Molecular Formula | C12H13N5O5S2 |
| Molecular Weight | 371.39 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Ceftriaxone EP Impurity E (CAS 58909-56-1) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C12H13N5O5S2. Molecular weight: 371.39 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C12H13N5O5S2 |
| Molecular Weight | 371.39 g/mol |
| Purity | >95% |
| Storage | Store at 2-8°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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1973 |
| Nitrogen Atoms | 5 |
| Sulfur Atoms | 2 |
Related Ceftriaxone Standards
- Ceftriaxone Impurity 46 (CAS CATO-C4X-116346)
- Ceftriaxone Impurity 43 (CAS CATO-C4X-116343)
- Ceftriaxone Impurity 47 (CAS CATO-C4X-116347)
- Ceftriaxone Impurity 4 (CAS 959246-33-4)
- Ceftriaxone EP Impurity D (CAS 80756-85-0)
- Ceftriaxone Sodium EP Impurity B(Cefotaxime EP Impurity E)（Cefodizime Impurity D） (CAS 66340-33-8)
- Ceftriaxone Impurity 31 (CAS CATO-C4X-116331)
- Ceftriaxone Impurity 9 (CAS CATO-C4X-11639)
Recommended Standards
- Nafamostat impurity 99 (CAS CATO-C4X-133299)
- Ilaprazole Impurity 236 (CAS CATO-C4X-1130236)
- Isradipine (CAS 75695-93-1)
- Tropicamide Impurity 13 (CAS CATO-C4X-215013)
- Methylene blue /Methylthioninium Chloride Impurity 39 (CAS CATO-C4X-189639)
- Inositol 1,2,6-trisphosphate (Ins(1,2,6)P3) (CAS 28841-62-5)
- 4-((2-Ethylpiperidin-1-yl)methyl)aniline (CAS 842970-08-5)
- 4-Chloro-3-({[(9h-fluoren-9-yl)methoxy]carbonyl}amino)benzoic acid (CAS 186320-11-6)
- 4-Methyl-1,2,3-thiadiazole-5-carbonyl chloride 4-methyl-[1,2,3]thiadiazole-5-carbonyl chloride 5-Chlorocarbonyl-4-methyl-1,2,3-thiadiazole 59944-65-9 (CAS 59944-65-9)
- D-Ser39-Tirzepatide (CAS CATO-CPTD788694)
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 13829788188 / jacky.chen@cato-chem.com