Imidazo[2,1-b]thiazole-6-carboxylic acid hydrobromide CAS 725234-39-9
| CAS No. | 725234-39-9 |
| Molecular Formula | C6H4N2O2S |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Imidazo[2,1-b]thiazole-6-carboxylic acid hydrobromide (CAS 725234-39-9) is a high-purity analytical reference standard with the molecular formula C6H4N2O2SHBr and a molecular weight of 249.08 g/mol.
Based on its molecular formula C6H4N2O2SHBr, Imidazo[2,1-b]thiazole-6-carboxylic acid hydrobromide contains an amide group, a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, bromine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 249.08 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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 | C6H4N2O2S HBr |
| Molecular Weight | 249.08 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, 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; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1986 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
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Recommended Standards
- 3-(5-Methyl-1,2,4-oxadiazol-3-yl)morpholine (CAS 1461868-97-2)
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- 3-(Thiophen-3-yl)pyrazine-2-carboxylic acid (CAS 1823549-46-7)
- 2-(2-Fluoro-6-methylpyridin-4-yl)ethan-1-amine (CAS 1393574-60-1)
- Methyl 4-(4-{[4-(dimethylsulfamoyl)phenyl]carbamoyl}piperazin-1-yl)-3-nitrobenzoate (CAS 692732-99-3)
- 2-Ethyl-6-methylphenol (CAS 1687-64-5)
- n-Cyclopentyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzamide (CAS 933987-10-1)
- Progesterone Impurity 64 (CAS 66875-13-6)
- Semaglutide impurity 229 (CAS CATO-C4X-2226229)
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