1-Bromo-3-(chloromethyl)naphthalene CAS 1261469-74-2
| CAS No. | 1261469-74-2 |
| Molecular Formula | C11H8BrCl |
| Molecular Weight | 255.54 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 1-Bromo-3-(chloromethyl)naphthalene.
1-Bromo-3-(chloromethyl)naphthalene (CAS 1261469-74-2), molecular formula C11H8BrCl and molecular weight 255.54 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C11H8BrCl, 1-Bromo-3-(chloromethyl)naphthalene contains chlorine/bromine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 255.54 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.
As a certified reference material (CRM), 1-Bromo-3-(chloromethyl)naphthalene meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C11H8BrCl |
| Molecular Weight | 255.54 g/mol |
| 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.) | 1990 |
| Halogen Content | Cl/Br-containing |
Related Bromo Standards
- 1-Bromo-4-(chloromethyl)naphthalene (CAS 101828-11-9)
- 3-bromo-4-chloro-1-methyl-1H-pyrazolo[3,4-d]pyrimidine (CAS 1240526-73-1)
- 3-bromo-7-chloro-1-methyl-pyrazolo[4,3-d]pyrimidine (CAS 1260787-71-0)
- 2-bromo-7-(chloromethyl)naphthalene (CAS 1261506-76-6)
- 4-Bromo-1-chloro-6-methylnaphthalene (CAS 1447449-23-1)
- 6-bromo-8-chloro-3-methyl-[1,2,4]triazolo[4,3-a]pyrazine (CAS 1610045-39-0)
- 1-Bromo-4-chloro-3-fluoro-2-(methylsulfanyl)benzene (CAS 1628524-92-4)
- 1-Bromo-8-(chloromethyl)naphthalene (CAS 19190-48-8)
Recommended Standards
- 1-(Bromomethyl)-6-chloronaphthalene (CAS 1261454-02-7)
- 3-Chloro-2,4,5-trifluoro-6-nitrobenzoic acid (CAS 111230-48-9)
- 3-(Bromomethyl)-1-chloronaphthalene (CAS 191106-25-9)
- Nintedanib Impurity 90 (CAS CATO-C4X-181490)
- (7-Fluoro-1H-pyrrolo[3,2-c]pyridin-2-yl)methanamine (CAS 2873531-98-5)
- Eleutheroside B1 (CAS 16845-16-2)
- 5-Bromo-2-cyclobutylpyrimidin-4(3H)-one hydrochloride (CAS 2138005-12-4)
- (1S,2S)-2-(4-fluorophenoxy)cyclopentan-1-amine (CAS 1951372-26-1)
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- 2-Acetyl-5-nitrothiophene (CAS 39565-00-9)
- tert-Butyl 3-(((benzyloxy)carbonyl)amino)pyrrolidine-1-carboxylate (CAS 325775-36-8)
- 4-(4-(Difluoromethoxy)phenoxy)-3-(trifluoromethyl)aniline (CAS 87294-32-4)
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