2,6-Dibromo-1,5-dimethoxynaphthalene CAS 91394-96-6
| CAS No. | 91394-96-6 |
| Molecular Formula | C12H10Br2O2 |
| Molecular Weight | 346.01 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 346.01 g/mol gives 2,6-Dibromo-1,5-dimethoxynaphthalene distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies 2,6-Dibromo-1,5-dimethoxynaphthalene (CAS 91394-96-6), a certified reference material (molecular formula C12H10Br2O2, MW 346.01 g/mol) for analytical method development and quality control.
Structurally, 2,6-Dibromo-1,5-dimethoxynaphthalene (C12H10Br2O2) contains a carboxylic acid group, a hydroxyl group, an ether linkage, bromine substitution, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 7.0, corresponding to approximately 7 ring(s) or double-bond equivalent(s). With a molecular weight of 346.01 g/mol, it falls into the moderately-high-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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.
As a certified reference material (CRM), 2,6-Dibromo-1,5-dimethoxynaphthalene 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 | C12H10Br2O2 |
| Molecular Weight | 346.01 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1983 |
| Halogen Content | Br-containing |
Related Dibromo Standards
- 2,7-Dibromo-3,6-dimethoxynaphthalene (CAS 105404-89-5)
- 1,5-Dibromo-2,6-dimethoxynaphthalene (CAS 25315-06-4)
- 1,5-Dibromo-4,8-dimethoxynaphthalene (CAS 88818-38-6)
- 1,6-Dibromo-2,7-dimethoxynaphthalene (CAS 4614-12-4)
- 4,9-Dibromo-[1,2,5]thiadiazolo[3,4-g]quinoxaline (CAS 141215-31-8)
- 4,5-Dibromo-1-(methoxymethyl)-2-phenyl-1H-imidazole (CAS 159589-94-3)
- 2,2-DIBROMO-1-(4-FLUORONAPHTHALEN-1-YL)ETHANONE (CAS 951-04-2)
- 4,7-Dibromo-3-hydroxy-2-naphthoic acid (CAS 1779-10-8)
Recommended Standards
- 5-Bromo-N-(2,4-dichlorophenyl)nicotinamide (CAS 320742-29-8)
- diethyl 2,4-dibromopentanedioate (CAS 870-78-0)
- 2,6-Dibromoheptanedioic acid dimethyl ester 868-73-5 Dimethyl 2,6-dibromoheptanedioate (CAS 868-73-5)
- 2-Bromo-1-(6-(3,4-dichlorophenyl)pyrimidin-4-yl)ethanone (CAS 1319158-63-8)
- 1-(3-Methyl-1,2,4-oxadiazol-5-yl)ethanamine (CAS 1041578-67-9)
- 8-Chloro-4,4,5-trimethyl-3,4-dihydro-2H-[1,3'-biquinolin]-2-one (CAS 918646-35-2)
- 3-(Difluoromethyl)-6-formyl-4-hydroxypicolinonitrile (CAS 1806986-87-7)
- N-{2-[(3,5-Dimethyl-1-adamantyl)oxy]ethyl}-1-methyl-6-oxo-1,6-dihydro-3-pyridazinecarboxamide (CAS 1070458-32-0)
- (2-Methoxy-1-naphthyl)acetic acid (CAS 10441-48-2)
- N-(5-Amino-2-methylphenyl)-2-(hexyloxy)benzamide (CAS 1020723-78-7)
- Ethyl 2-((3,5-difluorophenyl)amino)-1,3-thiazole-4-carboxylate (CAS 1485563-67-4)
- Ethyl 3-bromo-4,5-dimethyl-1H-pyrrole-2-carboxylate (CAS 102236-53-3)
- 2-((Piperidin-2-ylmethyl)thio)-1h-benzo[d]imidazole (CAS 1281942-04-8)
- Macrocyclic Peptide flaviviridae Viruses InhibitorDISCONTINUED (CAS 1510840-70-6)
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