Goserelin EP Impurity E CAS 147688-42-4
| CAS No. | 147688-42-4 |
| Molecular Formula | C58H83N17O13 |
| Molecular Weight | 1226.39 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C58H83N17O13, Goserelin EP Impurity E contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 1226.39 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
As a process- or degradation-related impurity, Goserelin EP Impurity E (CAS 147688-42-4, C58H83N17O13) is essential for impurity profiling, related-substances testing, and forced-degradation studies in pharmaceutical development.
This reference standard supports related-substances testing and method development in line with ICH Q3A/Q3B guidance on impurity control, and is suitable for system suitability testing and forced-degradation studies.
CATO manufactures Goserelin EP Impurity E 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 | C58H83N17O13 |
| Molecular Weight | 1226.39 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) | 26.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1999 |
| Nitrogen Atoms | 17 |
Related Goserelin Standards
- Goserelin Impurity N36 (CAS 1426173-74-1)
- Goserelin EP Impurity L (CAS 1926163-38-3)
- Goserelin (CAS 65807-02-5)
- Goserelin EP Impurity A (CAS 1926163-39-4)
- Goserelin EP Impurity G (CAS 1926163-37-2)
- Goserelin-D10 (CAS CATO-C4X-192013)
- Goserelin EP Impurity K (CAS 1926163-83-8)
- Goserelin Impurity 39 (CAS CATO-C4X-192039)
Recommended Standards
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- Hydroxychloroquine Impurity 72 Sulfate (CAS 2411340-32-2 (free base))
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- Cyclobuta[1,2-b:3,4-b']diquinoxaline (CAS 37660-36-9)
- Uk-371804 (CAS 256477-09-5)
- tert-Butyl ((4-bromothiazol-2-yl)methyl)carbamate (CAS 697299-87-9)
- Peptide 74 (H-8545.0500) (CAS 132116-39-3)
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