Ethyl (Z)-2-(hydroxyimino)-2-(2-(tritylamino)thiazol-4-yl)acetate hydrochloride CAS 66339-00-2
| CAS No. | 66339-00-2 |
| Molecular Formula | C26H23N3O3S |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 494.01 g/mol gives Ethyl (Z)-2-(hydroxyimino)-2-(2-(tritylamino)thiazol-4-yl)acetate hydrochloride distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
Ethyl (Z)-2-(hydroxyimino)-2-(2-(tritylamino)thiazol-4-yl)acetate hydrochloride (CAS 66339-00-2), molecular formula C26H23N3O3SHCl and molecular weight 494.01 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, Ethyl (Z)-2-(hydroxyimino)-2-(2-(tritylamino)thiazol-4-yl)acetate hydrochloride (C26H23N3O3SHCl) 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 16.0, corresponding to approximately 16 ring(s) or double-bond equivalent(s). With a molecular weight of 494.01 g/mol, it falls into the moderately-high-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
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 | C26H23N3O3S HCl |
| Molecular Weight | 494.01 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) | 16.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1975 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
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