2-Bromo-5-chlorothiophene-3-carboxylic acid CAS 1379306-17-8
| CAS No. | 1379306-17-8 |
| Molecular Formula | C5H2BrClO2S |
| Molecular Weight | 241.49 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C5H2BrClO2S, 2-Bromo-5-chlorothiophene-3-carboxylic acid contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine/bromine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 241.49 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).
CATO supplies 2-Bromo-5-chlorothiophene-3-carboxylic acid (CAS 1379306-17-8), a certified reference material (molecular formula C5H2BrClO2S, MW 241.49 g/mol) for analytical method development and quality control.
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.
CATO manufactures 2-Bromo-5-chlorothiophene-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.
Physical & Chemical Properties
| Molecular Formula | C5H2BrClO2S |
| Molecular Weight | 241.49 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1991 |
| Halogen Content | Cl/Br-containing |
| Sulfur Atoms | 1 |
Related Bromo Standards
- 5-bromo-4-chloro-thiophene-2-carboxylic acid (CAS 123418-69-9)
- 4-Bromo-3-chlorothiophene-2-carboxylic acid (CAS 1401992-28-6)
- 3-Bromo-5-chlorothiophene-2-carboxylic acid (CAS 60729-38-6)
- 4-Bromo-5-chlorothiophene-2-carboxylic Acid (CAS 60729-37-5)
- 5-Bromo-3-chlorothiophene-2-carboxylic acid (CAS 842135-76-6)
- 6-bromo-1-chloro-naphthalene (CAS 1000391-24-1)
- 4-Bromo-3-chloro-2-fluorothiophenol (CAS 1160574-65-1)
- 4-Bromo-2-chloro-6-fluorobenzenethiol (CAS 1208074-77-4)
Recommended Standards
- 2,6-Di-tert-butyl-4-methylphenol D21 (CAS 64502-99-4)
- 4-Chloro-2-morpholinophenylboronic acid (CAS 2096337-81-2)
- 3-Chloro-5-morpholinophenylboronic acid (CAS 2377607-81-1)
- 3-Chloro-4-(N-isopropylcarbamoyl)phenylboronic acid (CAS 850589-41-2)
- 1-(Diaminomethyl)pyrrolidin-2-ol (CAS 409060-77-1)
- 2-Bromo-4-iodo-6-nitrophenol (CAS 1936643-46-7)
- 4-[2-(4-Piperidinyl)ethoxy]phenyl propyl etherhydrochloride (CAS 1220032-09-6)
- 2-(2-Ethylphenyl)cyclopropane-1-carboxylic acid (CAS 1251271-95-0)
- (2,3-Dihydro-benzo[1,4]dioxin-6-yloxy)-acetic acid (CAS 10288-82-1)
- 284664-84-2 3-(~2~H_3_)Methyl(~2~H_13_)hexane DTXSID90583913 (CAS 284664-84-2)
- 6-Amino-6-deoxy-D-glucose HCl (CAS 55324-97-5)
- 4-(3,5-Dichloro-4-hydroxyphenyl)-4-oxobutanoic acid (CAS 62903-25-7)
- (S)-methyl 3-(1H-indol-3-yl)-2-((4-methoxybenzyl)amino)propanoate (CAS 168766-62-9)
- Semaglutide impurity 47 (CAS CATO-C4X-222647)
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