Ethyl 3-bromo-4-hydroxybenzo[b]thiophene-6-carboxylate CAS 2090019-90-0
| CAS No. | 2090019-90-0 |
| Molecular Formula | C11H9BrO3S |
| Molecular Weight | 301.16 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures Ethyl 3-bromo-4-hydroxybenzo[b]thiophene-6-carboxylate 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.
CATO supplies Ethyl 3-bromo-4-hydroxybenzo[b]thiophene-6-carboxylate (CAS 2090019-90-0), a certified reference material (molecular formula C11H9BrO3S, MW 301.16 g/mol) for analytical method development and quality control.
Based on its molecular formula C11H9BrO3S, Ethyl 3-bromo-4-hydroxybenzo[b]thiophene-6-carboxylate 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 301.16 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 | C11H9BrO3S |
| Molecular Weight | 301.16 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1997 |
| Halogen Content | Br-containing |
| Sulfur Atoms | 1 |
Related Ethyl Standards
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Recommended Standards
- 8-Bromo-6-methyl-2-(methylthio)imidazo[1,2-a]pyridine-3-carboxylic acid (CAS 446273-65-0)
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- 4-Bromo-1-tosyl-1H-imidazole (CAS 615534-48-0)
- Ethyl 5-(5-bromothiophen-2-yl)-1H-pyrazole-3-carboxylate (CAS 2248181-61-3)
- Ethyl (3R,4S)-4-hydroxypyrrolidine-3-carboxylate (CAS 2253105-21-2)
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- 3-Methylcrotonyl L-Carnitine (CAS 64656-41-3)
- N-Methyl-1-(2-methylbenzyl)piperidin-3-amine hydrochloride (CAS 1289387-26-3)
- 1-(5-Benzyl-4-phenyl-5-(piperidin-1-yl)-4,5-dihydro-1,3,4-thiadiazol-2-yl)ethanone (CAS 139617-46-2)
- Semaglutide impurity 197 (CAS CATO-C4X-2226197)
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- 7-Iodo-4-methylquinoline (CAS 144147-02-4)
- Semaglutide impurity 194 (CAS CATO-C4X-2226194)
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