Ethyl 2-(3-bromothiophen-2-yl)-2-oxoacetate CAS 70596-02-0
| CAS No. | 70596-02-0 |
| Molecular Formula | C8H7BrO3S |
| Molecular Weight | 263.11 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures Ethyl 2-(3-bromothiophen-2-yl)-2-oxoacetate 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.
Ethyl 2-(3-bromothiophen-2-yl)-2-oxoacetate (CAS 70596-02-0), molecular formula C8H7BrO3S and molecular weight 263.11 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C8H7BrO3S, Ethyl 2-(3-bromothiophen-2-yl)-2-oxoacetate 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 263.11 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).
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
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.) | 1977 |
| Halogen Content | Br-containing |
| Sulfur Atoms | 1 |
Related Ethyl Standards
- 4-(5-Bromothiophen-2-yl)-4-oxobutanoic acid (CAS 52240-28-5)
- Ethyl 2-(4-bromothiophen-3-yl)-2-oxoacetate (CAS 704200-66-8)
- 2-(((5-Bromothiophen-2-yl)methyl)(methyl)amino)acetamide (CAS 1036674-11-9)
- 3-(5-Bromothiophen-2-yl)-3-methylbutanoic acid (CAS 1225883-41-9)
- (5-Bromothiophen-2-yl)(tetrahydrofuran-3-yl)methanol (CAS 1250002-49-3)
- 2-(((5-Bromothiophen-3-yl)methyl)(methyl)amino)acetamide (CAS 1280989-67-4)
- 3-(4-Bromothiophen-2-yl)-2,2-dimethylpropanoic acid (CAS 1340416-56-9)
- 3-(3-Bromothiophen-2-yl)-2,2-dimethylpropanoic acid (CAS 1341399-79-8)
Recommended Standards
- 5-Bromothiophene 2-Oxoacetic Acid Ethyl Ester (CAS 22098-10-8)
- 4-Bromo-2-(methylsulfonyl)benzaldehyde (CAS 849035-77-4)
- Ethyl 2-bromo-5-formyl-3-thiophenecarboxylate (CAS 2110781-56-9)
- Methyl 4-(2-bromoacetyl)thiophene-2-carboxylate (CAS 96991-64-9)
- 5-Chloro-2-methoxy-3-propoxypyridine (CAS 1228957-11-6)
- N-(5-cyano-2-(methylthio)phenyl)-4-methoxybenzamide (CAS 303147-29-7)
- 1-(3-Bromophenyl)piperidine (CAS 84964-24-9)
- 5-(Difluoromethyl)-2-ethynylpyridine (CAS 1211526-75-8)
- [(2R,3S)-2-(4-fluorophenyl)tetrahydrofuran-3-yl]methanamine (CAS 1808068-75-8)
- 3-Chloro-5-methoxy-4-methyl-1H-pyrrolo[2,3-b]pyridine (CAS 1190313-30-4)
- 4’-(Pentyloxy)biphenyl-4-boronic Acid (CAS 158937-25-8)
- 4-Chloro-3,3,4-Trifluoro-N,N,2-Trimethyl-2-Butanamine (CAS 32786-66-6)
- 1-(3-(5-Amino-1,3,4-Thiadiazol-2-Yl)Piperidin-1-Yl)-2,2,2-Trifluoroethanone (CAS 2007919-67-5)
- 81988-89-8 UH11FDQ454 Ramoplanin A(sub 3) Ramoplanin A3 (S)-2-(3-Chloro-4-hydroxyphenyl)-N-(N(sup 2)-((2Z,4Z)-8-methyl-2,4-nonadienoyl)-(S)-asparaginyl-(2S,3S)-3-hydroxyasparaginyl-(R)-2-(p-hydroxyphenyl)glycyl-(R)-ornithyl-(2R,3R)-allothreonyl-2-(p-hydroxyphenyl)glycyl-2-(p-hydroxyphenyl)glycyl-(2S,3S)-allothreonyl-(S)-phenylalanyl-(R)-ornithyl-(S)-2-(p-((2-O-alpha-D-mannopyranosyl-alpha-D-mannopyranosyl)oxy)phenyl)glycyl-(2R,3R)-allothreonyl-(S)-2-(p-hydroxyphenyl)glycylglycyl-(S)-leucyl-(R)-alanyl)glycine psi1-lactone Ramoplanin A 1 (peptide moiety), 1-(N(sup 2)-methyl-1-oxo-2,4-nonadienyl)-L-asparagine)-11-(L-2-(4-((2-O-alpha-D-mannopyranosyl-alpha-D-mannopyranosyl)oxy)phenyl)glycine)-, (Z,Z)- UNII-UH11FDQ454 (CAS 81988-89-8)
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