3-Bromo-4-oxo-4-thiophen-2-yl-butyric acid CAS 53515-21-2
| CAS No. | 53515-21-2 |
| Molecular Formula | C8H7BrO3S |
| Molecular Weight | 263.11 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-Bromo-4-oxo-4-thiophen-2-yl-butyric acid (CAS 53515-21-2), molecular formula C8H7BrO3S and molecular weight 263.11 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 3-Bromo-4-oxo-4-thiophen-2-yl-butyric acid (C8H7BrO3S) 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 5.0, corresponding to approximately 5 ring(s) or double-bond equivalent(s). With a molecular weight of 263.11 g/mol, it falls into the medium-molecular-weight range. 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).
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-oxo-4-thiophen-2-yl-butyric 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 | C8H7BrO3S |
| Molecular Weight | 263.11 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1972 |
| Halogen Content | Br-containing |
| Sulfur Atoms | 1 |
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- Poly[bis(3-dodecyl-2-thienyl)-2,2'-dithiophene-5,5'-diyl] (CAS 827343-06-6)
- 4-Hydroxy-3-imino-1-oxidoquinoxalin-1-ium-2-carbonitrile (CAS 1177429-33-2)
- 2,4,6-Trimethylphenyl Isothiocyanate (CAS 6095-82-5)
- Ibuprofen Impurity 103 (CAS CATO-C4X-1082103)
- 2-Carbamoyl-7-methoxypyrazolo[1,5-a]pyridine-5-carboxylic acid (CAS 2721374-91-8)
- 2-(5-chloro-1H-1,2,4-triazol-1-yl)propanoic acid (CAS 1790365-80-8)
- 2-((5-Phenyl-1H-pyrazol-4-yl)methylene)malononitrile (CAS 477710-85-3)
- 4-(6-Cyclopropylamino-pyrimidin-4-ylamino)-piperidine-1-carboxylic acid tert-butyl ester (CAS 1353946-67-4)
- Semaglutide impurity 229 (CAS CATO-C4X-2226229)
Why CATO?
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