5-Chlorothiazole-2-carbaldehyde CAS 59129-52-1
| CAS No. | 59129-52-1 |
| Molecular Formula | C4H2ClNOS |
| Molecular Weight | 147.58 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
5-Chlorothiazole-2-carbaldehyde (CAS 59129-52-1), molecular formula C4H2ClNOS and molecular weight 147.58 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C4H2ClNOS, 5-Chlorothiazole-2-carbaldehyde contains an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 147.58 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
CATO manufactures 5-Chlorothiazole-2-carbaldehyde 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.
Physical & Chemical Properties
| Molecular Formula | C4H2ClNOS |
| Molecular Weight | 147.58 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.) | 1973 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Chlorothiazole Standards
- 4-Chlorothiazole-5-carbaldehyde (CAS 104146-17-0)
- 5-Chlorothiazole-4-carbaldehyde (CAS 1161865-60-6)
- 4-Chlorothiazole-2-carbaldehyde (CAS 466686-79-3)
- 4-Chlorothiazole-2-carbonitrile (CAS 1363383-13-4)
- 4-Chlorothiazole-5-carbonitrile (CAS 145383-72-8)
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Recommended Standards
- 5-Isothiazolecarbonyl chloride (CAS 3683-97-4)
- 2-Chloro-4-formylthiazole (CAS 5198-79-8)
- Thiazole-5-carbonyl chloride (CAS 41125-73-9)
- 2-Chloro-1,3-thiazole-5-carboxaldehyde (CAS 95453-58-0)
- 3-Chloro-4-fluoro-6-nitro-1H-indazole (CAS 885520-10-5)
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- 2-(3-Piperidinyl)ethyl cyclopropanecarboxylate hydrochloride (CAS 1219948-60-3)
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Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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