4-Bromo-5-propylthiophene-2-carbaldehyde CAS 938006-81-6
| CAS No. | 938006-81-6 |
| Molecular Formula | C8H9BrOS |
| Molecular Weight | 233.13 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 233.13 g/mol gives 4-Bromo-5-propylthiophene-2-carbaldehyde distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
4-Bromo-5-propylthiophene-2-carbaldehyde (CAS 938006-81-6) is a high-purity analytical reference standard with the molecular formula C8H9BrOS and a molecular weight of 233.13 g/mol.
Structurally, 4-Bromo-5-propylthiophene-2-carbaldehyde (C8H9BrOS) contains sulfur-containing functionality, a hydroxyl group, an ether linkage, bromine substitution, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 4.0, corresponding to approximately 4 ring(s) or double-bond equivalent(s). With a molecular weight of 233.13 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.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
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.
Physical & Chemical Properties
| Molecular Formula | C8H9BrOS |
| Molecular Weight | 233.13 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| 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.) | 1987 |
| Halogen Content | Br-containing |
| Sulfur Atoms | 1 |
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- 1-(3-Methoxyphenyl)hydrazinecarboxylic Acid 1,1-Dimethylethyl Ester 380383-81-3 N1-tert-Butoxycarbonyl 1-(3-Methoxyphenyl)hydrazine (CAS 380383-81-3)
- Semaglutide impurity 28 (CAS CATO-C4X-222628)
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