6-Chloro-2-(2-chloropyridin-3-yl)-1,3-benzothiazole CAS 400075-88-9
| CAS No. | 400075-88-9 |
| Molecular Formula | C12H6Cl2N2S |
| Molecular Weight | 281.16 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 6-Chloro-2-(2-chloropyridin-3-yl)-1,3-benzothiazole 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.
6-Chloro-2-(2-chloropyridin-3-yl)-1,3-benzothiazole (CAS 400075-88-9) is a high-purity analytical reference standard with the molecular formula C12H6Cl2N2S and a molecular weight of 281.16 g/mol.
Based on its molecular formula C12H6Cl2N2S, 6-Chloro-2-(2-chloropyridin-3-yl)-1,3-benzothiazole contains a nitrogen-containing heterocyclic scaffold, a nitrile group, sulfur-containing functionality, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 281.16 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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).
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.
Physical & Chemical Properties
| Molecular Formula | C12H6Cl2N2S |
| Molecular Weight | 281.16 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
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Recommended Standards
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- [S(R)]-N-[(1S)-1-[2-((tert-Butyldiphenylsilyl)oxy)phenyl)]-2-yl-2-(diphenylphosphino)ethyl]-2-methyl-2-propanesulfinamide (CAS 1803239-59-9)
- Tirzepatide Impurity 45 (CAS CATO-C4X-324045)
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