Goserelin EP Impurity A CAS 1926163-39-4
| CAS No. | 1926163-39-4 |
| Molecular Formula | C59H84N18O14 |
| Molecular Weight | 1269.41 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
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.
As a process- or degradation-related impurity, Goserelin EP Impurity A (CAS 1926163-39-4, C59H84N18O14) is essential for impurity profiling, related-substances testing, and forced-degradation studies in pharmaceutical development.
Goserelin EP Impurity A (C59H84N18O14) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
As a certified reference material (CRM), Goserelin EP Impurity A meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C59H84N18O14 |
| Molecular Weight | 1269.41 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) | 27.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1996 |
| Nitrogen Atoms | 18 |
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 G (CAS 1926163-37-2)
- Goserelin-D10 (CAS CATO-C4X-192013)
- Goserelin EP Impurity K (CAS 1926163-83-8)
- Goserelin EP Impurity E (CAS 147688-42-4)
- Goserelin Impurity 39 (CAS CATO-C4X-192039)
Recommended Standards
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- Empagliflozin Impurity 77 (CAS 2137418-13-2)
- Mivacurium chloride Impurity 68 (CAS CATO-C4X-137568)
- Midazolam EP Impurity H (CAS 119401-13-7)
- Methyl 2-(4-(bromomethyl)phenyl)-2-methylpropanoate (CAS 147247-29-8)
- 2-Imino-10-methyl-1-(2-morpholinoethyl)-3-(phenylsulfonyl)-1H-dipyrido[1,2-a:2',3'-d]pyrimidin-5(2H)-one (CAS 606949-06-8)
- 6-Nitrobenzo[d]isoxazol-3-amine (CAS 89793-83-9)
- Bis(methylsulfanyl)-1,2-thiazole-4-carboxylic acid (CAS 4886-15-1)
- Dapoxetine Impurity 86 (CAS 103548-16-9)
- 5-nitroquinoline-8-carboxylic acid (CAS 83848-59-3)
- Peptide Impurity 82 (CAS 10491-78-8)
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