4-Bromobenzo[b]thiophene-2-carbaldehyde CAS 19075-43-5
| CAS No. | 19075-43-5 |
| Molecular Formula | C9H5BrOS |
| Molecular Weight | 241.10 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C9H5BrOS, 4-Bromobenzo[b]thiophene-2-carbaldehyde contains sulfur-containing functionality, 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 241.10 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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).
CATO supplies 4-Bromobenzo[b]thiophene-2-carbaldehyde (CAS 19075-43-5), a certified reference material (molecular formula C9H5BrOS, MW 241.10 g/mol) for analytical method development and quality control.
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-Bromobenzo[b]thiophene-2-carbaldehyde 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 | C9H5BrOS |
| Molecular Weight | 241.10 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1962 |
| Halogen Content | Br-containing |
| Sulfur Atoms | 1 |
Related Bromobenzo Standards
- 3-Bromobenzo[b]thiophene-2-carbaldehyde (CAS 10135-00-9)
- 3-Bromobenzo[b]thiophene-6-carbaldehyde (CAS 10135-02-1)
- 4-Bromobenzo[b]thiophene-5-carbaldehyde (CAS 131124-29-3)
- 6-Bromobenzo[b]thiophene-5-carbaldehyde (CAS 143810-54-2)
- 5-Bromobenzo[b]thiophene-3-carbaldehyde (CAS 16296-72-3)
- 6-Bromobenzo[b]thiophene-2-carbaldehyde (CAS 19075-45-7)
- 4-Bromobenzo[b]thiophene-3-carbaldehyde (CAS 19075-49-1)
- 6-Bromobenzo[b]thiophene-3-carbaldehyde (CAS 19075-53-7)
Recommended Standards
- 4-Amino-2,6-dichlorobenzene-1-sulfonamide (CAS 172514-47-5)
- 3-(2-bromoacetyl)-1λ⁶-thiolane-1,1-dione (CAS 1536862-53-9)
- 7-Bromobenzo[b]thiophene-3-carbaldehyde (CAS 19075-55-9)
- 5-Bromo-7-fluoro-1,1-dimethyl-1H-indene (CAS 1936249-90-9)
- Methyl 3-amino-2-iodobenzoate (CAS 283173-76-2)
- 4-piperidinecarboxaldehyde 50675-20-2 A828242 piperidine-4-carbaldehyde (CAS 50675-20-2)
- 40737-92-6 Isocalolongic acid (CAS 40737-92-6)
- 6-Hydroxy-1H-pyrrolo[2,3-b]pyridine-5-carboxylic acid (CAS 1509500-88-2)
- 2-(1-(1H-pyrazol-1-yl)cyclobutyl)ethan-1-ol (CAS 2489784-72-5)
- 3-[(Propylamino)methyl]phenol (CAS 126845-31-6)
- 4-((4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)methyl)morpholine (CAS 70558-05-3)
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