| CAS No. | 333743-68-3 |
| Molecular Formula | C12H5BrClF2N3S2 |
| Molecular Weight | 408.67 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
The occurrence of 2-Bromo-7-chloro-5-((2,3-difluorobenzyl)thio)thiazolo[4,5-d]pyrimidine is closely related to a nitrogen-containing heterocyclic scaffold, a nitrile group, sulfur-containing functionality, fluorine/chlorine/bromine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
2-Bromo-7-chloro-5-((2,3-difluorobenzyl)thio)thiazolo[4,5-d]pyrimidine (CAS 333743-68-3), molecular formula C12H5BrClF2N3S2 and molecular weight 408.67 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C12H5BrClF2N3S2, 2-Bromo-7-chloro-5-((2,3-difluorobenzyl)thio)thiazolo[4,5-d]pyrimidine contains a nitrogen-containing heterocyclic scaffold, a nitrile group, sulfur-containing functionality, fluorine/chlorine/bromine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 408.67 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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.
CATO manufactures 2-Bromo-7-chloro-5-((2,3-difluorobenzyl)thio)thiazolo[4,5-d]pyrimidine under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
| Molecular Formula | C12H5BrClF2N3S2 |
| Molecular Weight | 408.67 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light |
| 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 | F/Cl/Br-containing |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 2 |