3-Bromo-4,5-dimethylthiophene-2-carboxylic acid CAS 89677-56-5
| CAS No. | 89677-56-5 |
| Molecular Formula | C7H7BrO2S |
| Molecular Weight | 235.10 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 235.10 g/mol gives 3-Bromo-4,5-dimethylthiophene-2-carboxylic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
3-Bromo-4,5-dimethylthiophene-2-carboxylic acid (CAS 89677-56-5) is a high-purity analytical reference standard with the molecular formula C7H7BrO2S and a molecular weight of 235.10 g/mol.
Structurally, 3-Bromo-4,5-dimethylthiophene-2-carboxylic acid (C7H7BrO2S) contains a sulfone group, a carboxylic acid group, 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 235.10 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.
CATO manufactures 3-Bromo-4,5-dimethylthiophene-2-carboxylic acid under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C7H7BrO2S |
| Molecular Weight | 235.10 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1982 |
| Halogen Content | Br-containing |
| Sulfur Atoms | 1 |
Related Bromo Standards
- Methyl 3-bromo-5-methylthiophene-2-carboxylate (CAS 1257535-60-6)
- methyl 5-bromo-2-methyl-thiophene-3-carboxylate (CAS 1259396-11-6)
- 2-Bromo-5-(oxolan-3-yl)-1,3,4-thiadiazole (CAS 1342036-39-8)
- methyl 2-bromo-2-(thiophen-3-yl)acetate (CAS 135660-91-2)
- 5-Bromo-N,N-dimethylthiazole-2-carboxamide (CAS 1414958-22-7)
- 2-(3-Bromo-5-methylthiophen-2-yl)acetic acid (CAS 1484993-84-1)
- methyl 5-bromo-4-methylthiophene-3-carboxylate (CAS 1519255-52-7)
- 2-(5-Bromo-2-methylthiophen-3-yl)acetic acid (CAS 1536868-96-8)
Recommended Standards
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