4-Cyclopropylthiazole-2-carboxylic acid CAS 1083274-67-2
| CAS No. | 1083274-67-2 |
| Molecular Formula | C7H7NO2S |
| Molecular Weight | 169.20 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-Cyclopropylthiazole-2-carboxylic acid (C7H7NO2S) contains an amide group, a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system. The carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
4-Cyclopropylthiazole-2-carboxylic acid (CAS 1083274-67-2) is a high-purity analytical reference standard with the molecular formula C7H7NO2S and a molecular weight of 169.20 g/mol.
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.
As a certified reference material (CRM), 4-Cyclopropylthiazole-2-carboxylic acid 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 | C7H7NO2S |
| Molecular Weight | 169.20 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| 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) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1989 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Cyclopropylthiazole Standards
- 5-Cyclopropylthiazole-2-carboxylic acid (CAS 1892415-56-3)
- 2-Cyclopropylthiazole-4-carboxylic acid (CAS 478366-05-1)
- N-cyclopropylthiazole-4-carboxamide (CAS 1341512-03-5)
- 2-Cyclopropylthiazole-5-carboxamide (CAS 1849379-75-4)
- Methyl 2-cyclopropylthiazole-4-carboxylate (CAS 1286744-59-9)
- Methyl 2-cyclopropylthiazole-5-carboxylate (CAS 1286744-61-3)
- 4-Cyclopropylthiazole-2-carbohydrazide (CAS 1396762-43-8)
- Methyl 5-cyclopropylthiazole-2-carboxylate (CAS 2119699-83-9)
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