3-Bromo-5-(methylthio)benzaldehyde CAS 1289063-08-6
| CAS No. | 1289063-08-6 |
| Molecular Formula | C8H7BrOS |
| Molecular Weight | 231.11 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 3-Bromo-5-(methylthio)benzaldehyde 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.
3-Bromo-5-(methylthio)benzaldehyde (CAS 1289063-08-6) is a high-purity analytical reference standard with the molecular formula C8H7BrOS and a molecular weight of 231.11 g/mol.
Owing to sulfur-containing functionality, a hydroxyl group, an ether linkage, bromine substitution, an aromatic ring system, 3-Bromo-5-(methylthio)benzaldehyde is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 231.11 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
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 | C8H7BrOS |
| Molecular Weight | 231.11 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) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Halogen Content | Br-containing |
| Sulfur Atoms | 1 |
Related Bromo Standards
- 4-Bromo-3-(methylsulfanyl)benzaldehyde (CAS 1289015-47-9)
- 3-Bromo-2-(methylsulfanyl)benzaldehyde (CAS 1289113-16-1)
- 2-Bromo-6-(methylsulfanyl)benzaldehyde (CAS 1289264-36-3)
- 2-Bromo-5,6-dihydrobenzo[b]thiophen-7(4H)-one (CAS 1369138-74-8)
- 7-Bromo-2,3-dihydro-1H-pyrido[2,3-b][1,4]thiazine (CAS 1593552-66-9)
- 5-Bromo-3-isopropylisothiazole-4-carbonitrile (CAS 1823933-86-3)
- 2-Bromo-6,7-dihydrobenzo[b]thiophen-4(5H)-one (CAS 25074-25-3)
- 3-Bromo-4-(methylsulfanyl)benzaldehyde (CAS 694481-10-2)
Recommended Standards
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- 4-(Phenylthio)butan-2-one (CAS 6110-01-6)
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