220769-88-0 4,5-Dichloro-1,2-thiazole-3-carbonyl chloride DTXSID50514521 CAS 220769-88-0
| CAS No. | 220769-88-0 |
| Molecular Formula | C4Cl3NOS |
| Molecular Weight | 216.47 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 220769-88-0 4,5-Dichloro-1,2-thiazole-3-carbonyl chloride DTXSID50514521 (C4Cl3NOS) contains an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 4.0, corresponding to approximately 4 ring(s) or double-bond equivalent(s). With a molecular weight of 216.47 g/mol, it falls into the medium-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.
220769-88-0 4,5-Dichloro-1,2-thiazole-3-carbonyl chloride DTXSID50514521 (CAS 220769-88-0), molecular formula C4Cl3NOS and molecular weight 216.47 g/mol, is a CATO reference standard with documented purity and traceability.
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 | C4Cl3NOS |
| Molecular Weight | 216.47 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| 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) | 4.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 2020 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
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- N-(2-Bromophenyl)-2-((5-(pyridin-4-yl)-4-(p-tolyl)-4H-1,2,4-triazol-3-yl)thio)acetamide (CAS 477318-72-2)
- 2-Methyl-3-(methylsulfinyl)furan (CAS 672953-18-3)
- 5-Bromo-2-chloro-4-methoxybenzonitrile (CAS 1259020-79-5)
- 2-((5-Amino-1,3,4-thiadiazol-2-yl)thio)-1-(2-phenyl-1H-indol-3-yl)ethan-1-one (CAS 794575-46-5)
- 2-Cyano-N-(4,6-dimethylpyrimidin-2-yl)acetamide (CAS 151290-73-2)
- 2-(Cyclopropylmethoxy)isonicotinonitrile (CAS 1019568-08-1)
- Semaglutide impurity 202 (CAS CATO-C4X-2226202)
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