3,8-Dibromo-1,6-naphthyridine CAS 17965-75-2
| CAS No. | 17965-75-2 |
| Molecular Formula | C8H4Br2N2 |
| Molecular Weight | 287.94 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3,8-Dibromo-1,6-naphthyridine (CAS 17965-75-2), molecular formula C8H4Br2N2 and molecular weight 287.94 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 3,8-Dibromo-1,6-naphthyridine (C8H4Br2N2) contains a nitrogen-containing heterocyclic scaffold, a nitrile group, bromine substitution. 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 287.94 g/mol, it falls into the medium-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), 3,8-Dibromo-1,6-naphthyridine 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 | C8H4Br2N2 |
| Molecular Weight | 287.94 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-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 DMSO, DMF, methanol |
| 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.) | 1962 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 2 |
Related Dibromo Standards
- 2,5-Dibromo-1,8-naphthyridine (CAS 1260657-29-1)
- 1,4-Dibromo-2,6-naphthyridine (CAS 1353971-28-4)
- 2,5-Dibromo-3-nitro-pyridine (CAS 15862-37-0)
- 3,5-Dibromo-1,7-naphthyridine (CAS 17965-77-4)
- 3,6-Dibromo-1,8-naphthyridine (CAS 17965-79-6)
- 1,4-Dibromo-2,7-naphthyridine (CAS 1823920-98-4)
- 2,6-dibromo-1H-inden-1-one (CAS 1909313-83-2)
- 2,3-Dibromo-1,8-naphthyridine (CAS 52626-31-0)
Recommended Standards
- 4,6-Dibromoquinazoline (CAS 1781044-15-2)
- 2,6-Dibromoquinoxaline (CAS 175858-10-3)
- 5,7-Dibromoquinoxaline (CAS 1644115-99-0)
- 2,6-Dibromoquinazoline (CAS 161425-75-8)
- (5-(2-Methylthiazol-4-yl)thiophen-2-yl)methanamine dihydrochloride (CAS 1030012-47-5)
- 6-Bromo-1,1-dimethyl-2,3,4,9-tetrahydro-1h-carbazole (CAS 1518802-72-6)
- 3-Bromo-6-fluoro-o-xylene (CAS 52548-00-2)
- Tert-butyl 1-bromo-6-azaspiro[2.5]Octane-6-carboxylate (CAS 2138510-37-7)
- 2-(1,3-Dioxolan-2-yl)-1-(4-ethoxyphenyl)ethan-1-one (CAS 1263365-92-9)
- 1-(4-bromo-2-chlorophenyl)-1H-1,2,3-triazole-4-carboxylic acid (CAS 1099026-08-0)
- 6-Bromo-8-nitro-3,4-dihydroquinolin-2(1H)-one (CAS 858213-76-0)
- 6-Butylchrysene (CAS 6901-71-9)
- tert-Butyl (4-((2-(methylthio)pyrimidin-4-yl)amino)cyclohexyl)carbamate (CAS 1289384-85-5)
- Characteristic MSH-Tetrapeptide (CAS 4289-02-5)
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