Amoxicillin Impurity 44 CAS CATO-C4X-114844
| CAS No. | CATO-C4X-114844 |
| Molecular Formula | C24H31N5O8S2 |
| Molecular Weight | 581.66 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of Amoxicillin Impurity 44 is closely related to a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
As a process- or degradation-related impurity, Amoxicillin Impurity 44 (CAS CATO-C4X-114844, C24H31N5O8S2) is essential for impurity profiling, related-substances testing, and forced-degradation studies in pharmaceutical development.
Owing to a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, Amoxicillin Impurity 44 is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 581.66 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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.
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.
Physical & Chemical Properties
| Molecular Formula | C24H31N5O8S2 |
| Molecular Weight | 581.66 g/mol |
| Purity | >90% |
| 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 |
| Nitrogen Atoms | 5 |
| Sulfur Atoms | 2 |
Related Amoxicillin Standards
- Amoxicillin Impurity 109 (CAS CATO-C4X-1148109)
- Amoxicillin related compound M (CAS CATO-C4X-114824)
- Amoxicillin EP Impurity O（Mixture）(Discontinued,See C4X-114824) (CAS CATO-C4X-114826)
- Amoxicillin Impurity 45 (CAS CATO-C4X-114845)
- Amoxicillin Impurity 66 (CAS CATO-C4X-114866)
- Amoxicillin Impurity 86 (CAS CATO-C4X-114886)
- Amoxicillin impurity 110 (CAS CATO-C4X-1148110)
- Amoxicillin Impurity 42 (CAS CATO-C4X-114842)
Recommended Standards
- WAY 267464 Dihydrochloride (CAS 847375-16-0)
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- Rosuvastatin Impurity 214 (CAS CATO-C4X-1169214)
- Roxadustat Impurity 58 (CAS CATO-C4X-221358)
- Rivaroxaban Impurity 4 (CAS 446292-10-0)
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- Benzyl pyrrolidine-2-carboxylate hydrochloride (CAS 80089-24-3)
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- 2-(5-(Trifluoromethyl)-1H-pyrazol-3-yl)ethan-1-ol (CAS 185853-95-6)
- 3-[([1,1-Biphenyl]-2-yloxy)methyl]piperidinehydrochloride (CAS 28559-37-7)
- 5-Boc-2-nitro-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrazine (CAS 1434052-06-8)
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