4-Bromo-2,5-thiazoledicarboxaldehyde CAS 1809161-49-6
| CAS No. | 1809161-49-6 |
| Molecular Formula | C5H2BrNO2S |
| Molecular Weight | 220.04 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 4-Bromo-2,5-thiazoledicarboxaldehyde 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.
4-Bromo-2,5-thiazoledicarboxaldehyde (CAS 1809161-49-6), molecular formula C5H2BrNO2S and molecular weight 220.04 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 4-Bromo-2,5-thiazoledicarboxaldehyde (C5H2BrNO2S) contains an amide group, a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, bromine substitution. The molecule exhibits a degree of unsaturation (DBE) of 5.0, corresponding to approximately 5 ring(s) or double-bond equivalent(s). With a molecular weight of 220.04 g/mol, it falls into the medium-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
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 | C5H2BrNO2S |
| Molecular Weight | 220.04 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1995 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Bromo Standards
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Recommended Standards
- 5-(Aminomethyl)-4-bromo-2-fluorophenol (CAS 1805418-57-8)
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- 2-Bromo-4-(2-fluoroethoxy)pyridine (CAS 1802415-24-2)
- 2-Bromo-3-fluoro-4-methoxyaniline (CAS 1934930-02-5)
- 3-((Tert-butoxycarbonyl)amino)-2-(4-methoxybenzyl)propanoic acid (CAS 683218-95-3)
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- 2-Fluoro-n-methylbenzamide (CAS 52833-63-3)
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- 2,3,4,5,6-Pentafluoro-alpha-(trifluoromethyl)benzyl Alcohol (CAS 652-21-1)
- Bictegravir Impurity 10(2R,5S,13aS) (CAS CATO-C4X-218110)
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- Ethyl 5-(1-(tert-butoxycarbonyl)piperidin-4-yl)-1H-benzo[d]imidazole-2-carboxylate (CAS 1956341-27-7)
- Sperm Peptide P10G (H-2424.0001) (CAS 137353-73-2)
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