2-Chloro-5-(1,1-difluoroethyl)thiazole CAS 2503202-61-5
| CAS No. | 2503202-61-5 |
| Molecular Formula | C5H4ClF2NS |
| Molecular Weight | 183.61 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
2-Chloro-5-(1,1-difluoroethyl)thiazole (CAS 2503202-61-5), molecular formula C5H4ClF2NS and molecular weight 183.61 g/mol, is a CATO reference standard with documented purity and traceability.
2-Chloro-5-(1,1-difluoroethyl)thiazole (C5H4ClF2NS) contains a nitrile group, sulfur-containing functionality, fluorine/chlorine substitution. Halogen substitution raises its density and boiling point; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
As a certified reference material (CRM), 2-Chloro-5-(1,1-difluoroethyl)thiazole 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 | C5H4ClF2NS |
| Molecular Weight | 183.61 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 |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 2000 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Chloro Standards
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Recommended Standards
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- Neuropeptide AF (human) (CAS 192387-38-5)
- 2-(((5-Chloro-1,2,3-thiadiazol-4-yl)methyl)(cyclopentyl)amino)acetamide (CAS 1210126-98-9)
- 4-(Thiophen-3-yl)nicotinic acid (CAS 1261957-67-8)
- Tert-butyl 4-(aminomethyl)-4-(pyrimidin-2-yl)piperidine-1-carboxylate (CAS 1373028-74-0)
- Peptide YY (3-36) (human) (CAS 123583-37-9)
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