Dexamethasone Impurity 113 CAS CATO-C4X-1165113
| CAS No. | CATO-C4X-1165113 |
| Molecular Formula | C29H34O6S |
| Molecular Weight | 510.64 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of Dexamethasone Impurity 113 is closely related to a steroid core, 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, Dexamethasone Impurity 113 (CAS CATO-C4X-1165113, C29H34O6S) is essential for impurity profiling, related-substances testing, and forced-degradation studies in pharmaceutical development.
Structurally, Dexamethasone Impurity 113 (C29H34O6S) contains a steroid core, a sulfone group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 13.0, corresponding to approximately 13 ring(s) or double-bond equivalent(s). With a molecular weight of 510.64 g/mol, it falls into the moderately-high-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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.
As a certified reference material (CRM), Dexamethasone Impurity 113 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 | C29H34O6S |
| Molecular Weight | 510.64 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| Sulfur Atoms | 1 |
Related Dexamethasone Standards
- Dexamethasone Impurity 84 (CAS CATO-C4X-116584)
- Dexamethasone Impurity 87 (CAS CATO-C4X-116587)
- Dexamethasone Impurity 118 (CAS CATO-C4X-1165118)
- Dexamethasone Impurity 119 (CAS CATO-C4X-1165119)
- Dexamethasone Impurity 16 (CAS 55541-30-5)
- Dexamethasone 21-Iodide (CAS 2029-18-7)
- Dexamethasone Impurity 127 (CAS CATO-C4X-1165127)
- Dexamethasone Isonicotinate (CAS 2265-64-7)
Recommended Standards
- N-[(1H-1,2,3-Benzotriazol-1-yl)methyl]-4-[(4-{[(1H-1,2,3-benzotriazol-1-yl)methyl]amino}phenyl)disulfanyl]aniline (CAS 298217-95-5)
- Desoximetasone Impurity 4 (CAS CATO-C4X-16094)
- 2,2'-Disulfanediylbis(N-((1H-benzo[d][1,2,3]triazol-1-yl)methyl)aniline) (CAS 300677-67-2)
- Dicyclohexyl[(1S)-1′,2-dimethoxy[1,2′-binaphthalen]-3′-yl]phosphine (CAS 1332879-47-6)
- Nemonoxacin Impurity 32 (CAS CATO-C4X-312832)
- Palonosetron Impurity N15 (CAS 1796933-62-4)
- Cholic Acid Impurity 39 (CAS CATO-C4X-116039)
- N-(4-fluorobutyl)thietan-3-amine (CAS 1849198-98-6)
- 4-Formylbicyclo[2.2.2]octane-1-carbonitrile (CAS 94994-23-7)
- (2,5-Dimethoxyphenyl)(phenyl)methanone (CAS 4038-13-5)
- S-(2-Amino-5-ethoxyphenyl) ethanethioate (CAS 471911-21-4)
- 6-Amino-2,3-dihydro-1H-indene-5-carboxylic acid (CAS 159768-26-0)
- 5,6-Diamino-1-propylpyrimidine-2,4(1H,3H)-dione (CAS 76194-07-5)
- Gastric Inhibitory Polypeptide (3-42) (human) trifluoroacetate salt (CAS 1802086-25-4)
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