2-Bromo-5-phenylthiophene-3-carboxylic acid CAS 1187467-82-8
| CAS No. | 1187467-82-8 |
| Molecular Formula | C11H7BrO2S |
| Molecular Weight | 283.14 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures 2-Bromo-5-phenylthiophene-3-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.
2-Bromo-5-phenylthiophene-3-carboxylic acid (CAS 1187467-82-8), molecular formula C11H7BrO2S and molecular weight 283.14 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C11H7BrO2S, 2-Bromo-5-phenylthiophene-3-carboxylic acid contains a sulfone group, a carboxylic acid group, 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 283.14 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).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C11H7BrO2S |
| Molecular Weight | 283.14 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1989 |
| Halogen Content | Br-containing |
| Sulfur Atoms | 1 |
Related Bromo Standards
- 3-Bromo-5-phenylthiophene-2-carboxylic acid (CAS 1017687-42-1)
- 4-Bromo-5-(4-hydroxyphenyl)thiophene-3-carbaldehyde (CAS 1360605-11-3)
- 5-Bromo-1-cyclopentyl-6-fluorobenzimidazole (CAS 1365272-22-5)
- 7-Bromo-5-ethyl-4-oxo-4,5-dihydrothieno[3,2-c]pyridine-2-carbonitrile (CAS 1714146-63-0)
- 2-Bromo-N-(thiazol-2-yl)benzamide (CAS 299928-00-0)
- 3-(6-Bromo-2-oxo-1,3-benzothiazol-3(2H)-yl)propanenitrile (CAS 74943-62-7)
- 3-Bromo-N-(thiazol-2-yl)benzamide (CAS 313230-04-5)
- 4-Bromo-N-(thiazol-2-yl)benzamide (CAS 302931-79-9)
Recommended Standards
- ethyl 3,3,3-trifluoro-2-hydroxy-2-[(2,2,2-trifluoroacetyl)amino]propanoate (CAS 329182-36-7)
- 4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)quinoline-6-carbaldehyde (CAS 958852-17-0)
- 4-(5-Bromothiophen-2-yl)benzoic acid (CAS 145208-54-4)
- 3-Chloro-4-(3-methylureido)benzene-1-sulfonyl chloride (CAS 678185-87-0)
- (Butan-2-yl)[(2-chlorophenyl)methyl]amine (CAS 46191-71-3)
- 2-((4-Amino-5-cyclohexyl-4H-1,2,4-triazol-3-yl)thio)-N-(2,5-dimethylphenyl)acetamide (CAS 577765-86-7)
- (E)-{[6-(benzylsulfanyl)imidazo[2,1-b][1,3]thiazol-5-yl]methylidene}[(3,4-dichlorophenyl)methoxy]amine (CAS 338976-37-7)
- 4-Ethynylbenzenesulfonic acid (CAS 764638-11-1)
- Tert-butyl (1-cyanopropan-2-yl)(methyl)carbamate (CAS 1311315-14-6)
- 3-(2,4-Diethoxyphenyl)acrylic acid (CAS 423736-06-5)
- Glycidyl Isopropyl Ether (CAS 4016-14-2)
- 2-(3,4-Dihydroxyphenyl)ethyl-1,1-d2-amine HCl (CAS 83008-33-7)
- 2-Methyl-6-morpholin-2-yl-pyridin-4-ol dihydrochloride (CAS 1361115-98-1)
- D-Tyr1-Tirzepatide (CAS CATO-CPTD788928)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com