3-Bromo-5-methylthiophene-2-carbaldehyde CAS 36155-82-5
| CAS No. | 36155-82-5 |
| Molecular Formula | C6H5BrOS |
| Molecular Weight | 205.07 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 205.07 g/mol gives 3-Bromo-5-methylthiophene-2-carbaldehyde distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies 3-Bromo-5-methylthiophene-2-carbaldehyde (CAS 36155-82-5), a certified reference material (molecular formula C6H5BrOS, MW 205.07 g/mol) for analytical method development and quality control.
Structurally, 3-Bromo-5-methylthiophene-2-carbaldehyde (C6H5BrOS) 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 205.07 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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 | C6H5BrOS |
| Molecular Weight | 205.07 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.) | 1967 |
| Halogen Content | Br-containing |
| Sulfur Atoms | 1 |
Related Bromo Standards
- 5-Bromo-2-methylthiophene-3-carbaldehyde (CAS 1369356-10-4)
- 1-(4-Bromo-3-thienyl)ethanone (CAS 35717-24-9)
- 1-(5-Bromo-3-thienyl)ethanone (CAS 59227-67-7)
- 4-Bromo-3-methylthiophene-2-carbaldehyde (CAS 30153-47-0)
- 5-Bromo-3-methylthiophene-2-carbaldehyde (CAS 38239-46-2)
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Recommended Standards
- 2-Acetyl-5-bromothiophene (CAS 5370-25-2)
- 2-Acetyl-4-bromothiophene (CAS 7209-11-2)
- 2-(5-Bromothiophen-2-yl)acetaldehyde (CAS 722536-02-9)
- Methyl 2-amino-1,3-selenazole-5-carboxylate (CAS 57739-52-3)
- Methyl 2-(4-fluoro-2-methylphenyl)-2-hydroxyacetate (CAS 1251222-83-9)
- RTI-82, >98% (HPLC) (CAS 141782-67-4)
- 2-Chloro-6,7-dihydro-5H-cyclopenta[b]pyridine-3-carboxylic acid (CAS 114381-79-2)
- 6-Amino-2-naphthol (CAS 4363-04-6)
- 3-(Methylamino)isonicotinic Acid (CAS 1461602-59-4)
- 4-Hydroxy-2-mercaptopyrazolo[1,5-a][1,3,5]triazine-8-carbonitrile (CAS 948575-58-4)
- 2-Iodo-6-chlorobenzothiazole (CAS 3622-47-7)
- 2-(5-Bromo-1H-pyrrolo[2,3-b]pyridin-3-yl)-N,N-dimethylethan-1-amine (CAS 1638768-00-9)
- 1-(Piperidin-4-yl)propan-1-ol hydrochloride (CAS 945374-69-6)
- Allo-D-Ile12-Tirzepatide (CAS CATO-CPTD788963)
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