Ethyl 5-(5-bromothiophen-2-yl)-5-oxopentanoate CAS 229008-02-0
| CAS No. | 229008-02-0 |
| Molecular Formula | C11H13BrO3S |
| Molecular Weight | 305.19 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 305.19 g/mol gives Ethyl 5-(5-bromothiophen-2-yl)-5-oxopentanoate distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
Ethyl 5-(5-bromothiophen-2-yl)-5-oxopentanoate (CAS 229008-02-0) is a high-purity analytical reference standard with the molecular formula C11H13BrO3S and a molecular weight of 305.19 g/mol.
Based on its molecular formula C11H13BrO3S, Ethyl 5-(5-bromothiophen-2-yl)-5-oxopentanoate 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 305.19 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
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 Ethyl 5-(5-bromothiophen-2-yl)-5-oxopentanoate 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 | C11H13BrO3S |
| Molecular Weight | 305.19 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry |
| 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.) | 2022 |
| Halogen Content | Br-containing |
| Sulfur Atoms | 1 |
Related Ethyl Standards
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- 2-(4-((5-Bromothiophen-3-yl)methyl)piperazin-1-yl)ethan-1-ol (CAS 1248743-98-7)
- 1-(5-Bromothiophen-2-yl)-N-((4-methylmorpholin-2-yl)methyl)methanamine (CAS 1280931-35-2)
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Recommended Standards
- Ethyl 5-(3-bromo-2-thienyl)-5-oxovalerate (CAS 951889-22-8)
- Ethyl 5-bromo-2-hydroxy-3-methyl-4-(methylsulfanyl)benzoate (CAS 328288-87-5)
- 4-(6-Bromo-2-benzothiazolyl)benzenamine (CAS 566169-97-9)
- N-(4-Bromophenyl)benzo[d]thiazol-2-amine (CAS 6278-86-0)
- 7-(Tert-pentyl)-1-azaspiro[3.5]nonane (CAS 1462853-13-9)
- 1-(3-Fluorophenethyl)piperazine (CAS 188400-93-3)
- 2-(4-Methoxyphenyl)-N-(4-(4-methoxyphenyl)thiazol-2-yl)acetamide (CAS 679411-78-0)
- 3-(5-(Hydroxymethyl)pyridin-3-yl)benzonitrile (CAS 887973-94-6)
- 1-(Furan-2-ylmethyl)-6-phenyl-1h-pyrazolo[3,4-b]pyridine-4-carboxylic acid (CAS 929974-37-8)
- (3E)-3-{1-[(2-phenoxyphenyl)amino]ethylidene}oxolan-2-one (CAS 866132-93-6)
- 4-O-Methylfisetin (CAS 57396-72-2)
- 5,7-Dichloro-2-methylthieno[3,2-b]pyridine (CAS 952435-04-0)
- 6-Methyl-5-(piperidin-2-yl)pyridine-2(1H)-thione (CAS 1352511-41-1)
- Semaglutide impurity 286 (CAS CATO-C4X-2226286)
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