2-Bromo-5-cyclopropylthiophene CAS 29481-27-4
| CAS No. | 29481-27-4 |
| Molecular Formula | C7H7BrS |
| Molecular Weight | 203.10 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-Bromo-5-cyclopropylthiophene (CAS 29481-27-4), molecular formula C7H7BrS and molecular weight 203.10 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C7H7BrS, 2-Bromo-5-cyclopropylthiophene contains sulfur-containing functionality, bromine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 203.10 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
As a certified reference material (CRM), 2-Bromo-5-cyclopropylthiophene 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 | C7H7BrS |
| Molecular Weight | 203.10 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO |
| Stability | May oxidize slowly on prolonged air exposure |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1965 |
| Halogen Content | Br-containing |
| Sulfur Atoms | 1 |
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Recommended Standards
- 2-Bromo-3-cyclopropylthiophene (CAS 29481-32-1)
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- 4,5-Difluoro-2-nitrobenzoic Acid (CAS 20372-63-8)
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