Azlocillin Oxide Impurity CAS CATO-C4X-23201
| CAS No. | CATO-C4X-23201 |
| Molecular Formula | C20H23N5O7S |
| Molecular Weight | 477.49 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 477.49 g/mol gives Azlocillin Oxide Impurity distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
Azlocillin Oxide Impurity (CAS CATO-C4X-23201) is a certified pharmaceutical impurity reference standard with the molecular formula C20H23N5O7S and a molecular weight of 477.49 g/mol.
Based on its molecular formula C20H23N5O7S, Azlocillin Oxide Impurity contains a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 477.49 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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.
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 | C20H23N5O7S |
| Molecular Weight | 477.49 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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| Nitrogen Atoms | 5 |
| Sulfur Atoms | 1 |
Related Azlocillin Standards
- Azlocillin Open-Ring Impurity (CAS 96688-41-4)
- Azlocillin Impurity 2 (CAS CATO-C4X-23202)
- Azlocillin (CAS 37091-66-0)
- Azlocillin Impurity 4 (CAS CATO-C4X-23204)
- Azlocillin Impurity 5 (CAS CATO-C4X-23205)
- Azlocillin Impurity 6 (CAS CATO-C4X-23206)
- Azlocillin Impurity 8 (CAS CATO-C4X-23208)
- Azlocillin Impurity 9 (CAS CATO-C4X-23209)
Recommended Standards
- Deacetylated cefotaxime (CAS CATO-C4X-12508)
- 8,9-Dimethoxy-3-(propan-2-yl)-5-({[4-(trifluoromethyl)phenyl]methyl}sulfanyl)-2H,3H-imidazo[1,2-c]quinazolin-2-one (CAS 1024020-20-9)
- Mesityldiphenylphosphine (CAS 5931-56-6)
- 3-Isopropyl-8,9-dimethoxy-5-((3-(trifluoromethyl)benzyl)thio)imidazo[1,2-c]quinazolin-2(3H)-one (CAS 1024595-16-1)
- Eltrombopag Impurity 28 (CAS CATO-C4X-119828)
- Vonoprazan Impurity 206 HCl (CAS CATO-C4X-1020206)
- Hybutimibe Impurity 1 (CAS CATO-C4X-25051)
- 3-hydroxy-5-((hydroxy(phosphonooxy)phosphoryl)oxy)-3-methylpentanoic acid (CAS 1492-08-6)
- 2-Thiomorpholinopropan-1-amine (CAS 1042652-20-9)
- (4-(2-Aminoethyl)piperazin-1-yl)(4-fluorophenyl)methanone (CAS 1018527-36-0)
- 4-(2-Thienyl)phenol (CAS 29886-65-5)
- Methyl 2-amino-6-iodobenzoate (CAS 147494-20-0)
- Ethyl 3-amino-5-(methylthio)-1H-pyrazole-4-carboxylate (CAS 59541-46-7)
- α Bag Cell Peptide (1-9) (CAS 87549-52-8)
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