(6,7-Dibromonaphthalen-2-yl)methanol CAS 131331-20-9
| CAS No. | 131331-20-9 |
| Molecular Formula | C11H8Br2O |
| Molecular Weight | 315.99 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), (6,7-Dibromonaphthalen-2-yl)methanol 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.
(6,7-Dibromonaphthalen-2-yl)methanol (CAS 131331-20-9), molecular formula C11H8Br2O and molecular weight 315.99 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C11H8Br2O, (6,7-Dibromonaphthalen-2-yl)methanol contains 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 315.99 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C11H8Br2O |
| Molecular Weight | 315.99 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 |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| 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.) | 1994 |
| Halogen Content | Br-containing |
Related Dibromonaphthalen Standards
- 4,6-Dibromonaphthalen-2-ol (CAS 102153-54-8)
- 6,7-Dibromonaphthalen-1-ol (CAS 117157-37-6)
- 1,6-Dibromonaphthalen-2-ol (CAS 16239-18-2)
- 2,4-Dibromonaphthalen-1-ol (CAS 2050-49-9)
- 4,5-Dibromonaphthalen-2-ol (CAS 2648221-50-3)
- 1,6-Dibromonaphthalen-2-amine (CAS 13720-04-2)
- 1,6-Dibromonaphthalen-2-yl diethylcarbamate (CAS 446307-68-2)
Recommended Standards
- 4-Bromo-3-(3-bromophenyl)-5-methyl-1H-pyrazole (CAS 1240309-82-3)
- 4,5-Dibromo-2-(o-tolyl)-1H-imidazole (CAS 1415564-57-6)
- 4-Bromo-3-(2-bromophenyl)-5-methyl-1H-pyrazole (CAS 1239128-43-8)
- 6,7-Bis(bromomethyl)quinoxaline (CAS 143154-10-3)
- 6,8-difluoro-3,4-dihydro-2H-1-benzopyran-3-amine (CAS 939759-01-0)
- ethyl 2-(cyclopropylamino)-4-methyl-1,3-thiazole-5-carboxylate hydrochloride (CAS 1269152-06-8)
- 2-Hydroxy-2-(6-methoxynaphthalen-2-yl)acetic acid (CAS 56547-15-0)
- Octyltriphenylsilane (CAS 17106-33-1)
- {5-[3-(3-fluorophenyl)-1h-pyrazol-5-yl]pentyl}(methyl)amine (CAS 1268829-73-7)
- Methyl 2,4-dioxo-4-(4-propoxyphenyl)butanoate (CAS 889996-17-2)
- Ibrutinib Impurity 94 (CAS CATO-C4X-106494)
- Cyclobenzaprine Impurity 9 (CAS CATO-C4X-15999)
- 4-Chloro-1,2,5-thiadiazol-3-ol (CAS 5728-15-4)
- Semaglutide impurity 269 (CAS CATO-C4X-2226269)
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