5,7-Dibromoisoquinoline CAS 2137673-43-7
| CAS No. | 2137673-43-7 |
| Molecular Formula | C9H5Br2N |
| Molecular Weight | 286.95 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C9H5Br2N, 5,7-Dibromoisoquinoline contains a nitrogen-containing heterocyclic scaffold, a nitrile group, bromine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 286.95 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
CATO supplies 5,7-Dibromoisoquinoline (CAS 2137673-43-7), a certified reference material (molecular formula C9H5Br2N, MW 286.95 g/mol) for analytical method development and quality control.
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), 5,7-Dibromoisoquinoline 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 | C9H5Br2N |
| Molecular Weight | 286.95 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 methanol, acetonitrile, 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.) | 1997 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 1 |
Related Dibromoisoquinoline Standards
- 1,5-Dibromoisoquinoline (CAS 1092287-10-9)
- 1,6-Dibromoisoquinoline (CAS 1254514-00-5)
- 6,7-Dibromoisoquinoline (CAS 1307316-84-2)
- 4,6-Dibromoisoquinoline (CAS 1889841-88-6)
- 3,7-Dibromoisoquinoline (CAS 1935586-13-2)
- 3,6-Dibromoisoquinoline (CAS 1936570-29-4)
- 1,3-Dibromoisoquinoline (CAS 53987-60-3)
- 1,4-Dibromoisoquinoline (CAS 51206-40-7)
Recommended Standards
- 4,7-Dibromoquinoline (CAS 700871-88-1)
- 5,7-Dibromoquinoline (CAS 34522-69-5)
- 4,7-Dibromoisoquinoline (CAS 223671-10-1)
- 5,8-Dibromoisoquinoline (CAS 81045-39-8)
- 1-(6-Butoxypyridin-2-yl)piperazine (CAS 902837-07-4)
- 7'-chloro-2',3'-dihydro-1'H-spiro[cyclopropane-1,4'-isoquinoline] (CAS 885269-29-4)
- (E)-N-(3-Bromo-5-fluorobenzylidene)-2,2-dimethoxyethanamine (CAS 2598182-32-0)
- 6-Fluoropyridine-3-sulfonyl ChlorideDISCONTINUED (CAS 1025509-80-1)
- (2-Chlorophenyl)(4-isopropylphenyl)methanone (CAS 951886-94-5)
- Tadalafil Impurity 79 (CAS 38082-70-1)
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- 2-(2,2,2-trifluoroethyl)-4,5,6,7-tetrahydro-2H-indazol-7-amine (CAS 1461715-31-0)
- (R)-3-((tertButoxycarbonyl)amino)-2-methylpropanoic Acid (CAS 132696-45-8)
- [pGlu] Semaglutide (CAS CATO-C4X-2226288)
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