2-Bromo-4-chloro-5-fluorobenzenethiol CAS 1208076-79-2
| CAS No. | 1208076-79-2 |
| Molecular Formula | C6H3BrClFS |
| Molecular Weight | 241.51 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
2-Bromo-4-chloro-5-fluorobenzenethiol (CAS 1208076-79-2), molecular formula C6H3BrClFS and molecular weight 241.51 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to sulfur-containing functionality, fluorine/chlorine/bromine substitution, an aromatic ring system, 2-Bromo-4-chloro-5-fluorobenzenethiol is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 241.51 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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).
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C6H3BrClFS |
| Molecular Weight | 241.51 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO |
| Stability | May oxidize slowly on prolonged air exposure |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Halogen Content | F/Cl/Br-containing |
| Sulfur Atoms | 1 |
Related Bromo Standards
- 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)
- 2-Bromo-4-chloro-6-fluorobenzenethiol (CAS 1208076-60-1)
- 4-Bromo-2-chloro-5-fluorobenzenethiol (CAS 1208077-01-3)
- 2-Bromo-6-chloro-4-fluorobenzenethiol (CAS 1208077-83-1)
- 4-Bromo-5-chloro-2-fluorobenzenethiol (CAS 1208077-92-2)
- 5-bromo-4-chlorofuro[2,3-d]pyrimidine (CAS 1256789-37-3)
Recommended Standards
- Vildagliptin Impurity 95 (CAS CATO-C4X-110095)
- 2-Bromo-5-chloro-4-fluorothiophenol (CAS 1263377-18-9)
- 2-Pyrimidineethanol,a-(trichloromethyl)- (CAS 408533-65-3)
- 5-Bromo-4-chloro-2-fluorobenzenethiol (CAS 1349715-46-3)
- 2-Bromo-6-(1H-imidazol-1-yl)pyridine (CAS 463336-62-1)
- 3-Chloro-6-(4-methoxybenzyl)-6,7-dihydro-5H-pyrrolo[3,4-b]pyridine (CAS 1356109-75-5)
- (2E)-1-(3-Chlorophenyl)-3-(4-fluorophenyl)prop-2-en-1-one (CAS 1801666-50-1)
- Ethyl 1-thia-4-azaspiro[4.4]Nonane-3-carboxylate hydrochloride (CAS 1236272-33-5)
- 2-((4-(1-Ethyl-3-methyl-1H-pyrazol-4-yl)pyrimidin-2-yl)thio)acetic acid (CAS 957292-09-0)
- 4-Chloro-N-(3-(4-methylpiperazin-1-yl)phenyl)-7H-pyrrolo[2,3-d]pyrimidin-2-amine (CAS 1142947-81-6)
- N1-Isopropyl-N1-((1-methylpyrrolidin-2-yl)methyl)ethane-1,2-diamine (CAS 1353951-41-3)
- N-((1-Benzylpyrrolidin-2-yl)methyl)ethanamine (CAS 1339204-57-7)
- 2-(Bromomethyl)-6-methyl-2H-oxazolo[3,2-a]pyrimidin-7(3H)-one (CAS 315186-62-0)
- D-[Val]10-Semaglutide (CAS CATO-CPTD788630)
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