Dotinurad Impurity 149 CAS CATO-C4X-2494149
| CAS No. | CATO-C4X-2494149 |
| Molecular Formula | C23H18Cl2N2O2S2 |
| Molecular Weight | 489.44 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
As a process- or degradation-related impurity, Dotinurad Impurity 149 (CAS CATO-C4X-2494149, C23H18Cl2N2O2S2) is essential for impurity profiling, related-substances testing, and forced-degradation studies in pharmaceutical development.
Structurally, Dotinurad Impurity 149 (C23H18Cl2N2O2S2) contains a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 15.0, corresponding to approximately 15 ring(s) or double-bond equivalent(s). With a molecular weight of 489.44 g/mol, it falls into the moderately-high-molecular-weight range. 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).
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), Dotinurad Impurity 149 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 | C23H18Cl2N2O2S2 |
| Molecular Weight | 489.44 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 15.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 2 |
Related Dotinurad Standards
- Dotinurad Impurity 19 (CAS CATO-C4X-249419)
- Dotinurad Impurity 73 (CAS CATO-C4X-249473)
- Dotinurad Impurity 71 (CAS CATO-C4X-249471)
- Dotinurad impurity 105 (CAS CATO-C4X-2494105)
- Dotinurad Impurity 95 (CAS CATO-C4X-249495)
- Dotinurad Impurity 148 (CAS CATO-C4X-2494148)
- Dotinurad Impurity 21 (CAS CATO-C4X-249421)
- Dotinurad Impurity 83 (CAS CATO-C4X-249483)
Recommended Standards
- ethyl 2-(diisopropoxyphosphoryl)-3,3,3-trifluoro-2-{[(4-methylphenyl)sulphonyl]amino}propanoate (CAS 256332-93-1)
- 3-((3,5-Bis(trifluoromethyl)phenyl)amino)-4-(((1R,2R)-2-(piperidin-1-yl)cyclohexyl)amino)cyclobut-3-ene-1,2-dione (CAS 1211565-11-5)
- 4-Methylumbelliferyl 3-4-6-tri-O-acetyl-2-azido-2-deoxy-α-D-galactopyranoside (CAS 124167-43-7)
- 3-[[3,5-Bis(trifluoromethyl)phenyl]amino]-4-[[(1S,2S)-2-(1-piperidinyl)cyclohexyl]amino]-3-cyclobutene-1,2-dione (CAS 1312991-15-3)
- Oseltamivir Impurity 144 (CAS 2413185-95-0)
- Progesterone Impurity 43 (CAS CATO-C4X-150243)
- Altrenogest impurity 14 (CAS 165541-64-0)
- Methyl 6-(ethyl(methyl)amino)-5-methylnicotinate (CAS 1355232-66-4)
- Gold, 9H-carbazol-9-yl(triphenylphosphine)- (CAS 91884-43-4)
- 5-Bromo-2-hydroxy-3-nitrobenzamide (CAS 791137-29-6)
- 2-Amino-3,4,8-Trimethyl-3H-Imidazo[4,5-F]Quinoxaline (CAS 95896-78-9)
- 3-Bromo-2-nitroaniline (CAS 7138-15-0)
- (S,E)-2-Amino-5-(2,3-dimethylguanidino)pentanoic Acid-13C5 (CAS CATO-C4X-253613)
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