2-Bromo-7-chloronaphthalene CAS 321939-67-7
| CAS No. | 321939-67-7 |
| Molecular Formula | C10H6BrCl |
| Molecular Weight | 241.51 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 2-Bromo-7-chloronaphthalene (CAS 321939-67-7), a certified reference material (molecular formula C10H6BrCl, MW 241.51 g/mol) for analytical method development and quality control.
Based on its molecular formula C10H6BrCl, 2-Bromo-7-chloronaphthalene contains chlorine/bromine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 241.51 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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 2-Bromo-7-chloronaphthalene 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 | C10H6BrCl |
| Molecular Weight | 241.51 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl/Br-containing |
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)
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- 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)
Recommended Standards
- 2-Bromo-6-chloronaphthalene (CAS 870822-84-7)
- 3-Bromo-1-chloronaphthalene (CAS 325956-47-6)
- 2-Bromo-1-chloronaphthalene (CAS 692728-68-0)
- 7-Bromo-1-chloronaphthalene (CAS 90947-99-2)
- 2,3-Dioxoindoline-7-carboxylic acid (CAS 25128-35-2)
- tert-butyl 3-[(5-cyanopyridin-2-yl)oxy]pyrrolidine-1-carboxylate (CAS 1803609-49-5)
- N-Benzylpiperidine-4-carboxamide hydrochloride (CAS 320420-00-6)
- 1-(3-Fluoro-5-methylphenyl)pentan-1-amine (CAS 1270472-02-0)
- 3-Fluoro-2-methoxy-6-(trifluoromethyl)pyridine (CAS 1214323-09-7)
- 4-Hydroxypyridine-2(1H)-thione (CAS 204569-36-8)
- 1,1'-(Cyclopentane-1,1-diyl)bis(1H-pyrazole) (CAS 28791-87-9)
- 2-[1-(methoxymethyl)cyclobutyl]ethan-1-amine hydrochloride (CAS 1803610-37-8)
- 3-Chloro-5-(prop-1-en-2-yl)pyridine (CAS 874492-05-4)
- D-Leu26-Tirzepatide (CAS CATO-CPTD788908)
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