Pyridin-3-ylmagnesium bromide, 0.25 M in THF CAS 21970-14-9
| CAS No. | 21970-14-9 |
| Molecular Formula | Br |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 182.30 g/mol gives Pyridin-3-ylmagnesium bromide, 0.25 M in THF distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies Pyridin-3-ylmagnesium bromide, 0.25 M in THF (CAS 21970-14-9), a certified reference material (molecular formula BrC5H4NMg, MW 182.30 g/mol) for analytical method development and quality control.
Pyridin-3-ylmagnesium bromide, 0.25 M in THF (BrC5H4NMg) contains a salt form, a nitrile group, bromine substitution. Halogen substitution raises its density and boiling point; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
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), Pyridin-3-ylmagnesium bromide, 0.25 M in THF 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 | Br C5H4N Mg |
| Molecular Weight | 182.30 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor) |
| 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) | 4.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1963 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 1 |
Related Pyridin Standards
- 3-[(E)-2-(Pyridin-3-yl)ethenyl]-1,2-dihydroquinoxalin-2-one (CAS 1000169-10-7)
- 2-(pyridin-2-ylsulfanyl)acetic acid (CAS 10002-29-6)
- 4-(Pyridin-3-yloxy)benzenesulfonic acid (CAS 1000340-09-9)
- 2-(2-Oxo-2-(pyridin-4-yl)ethylidene)thiazolidin-4-one (CAS 1000932-15-9)
- 2-[2-oxo-2-(pyridin-3-yl)ethylidene]-1,3-thiazolidin-4-one (CAS 1000932-62-6)
- N-(pyridin-3-ylmethyl)sulfamide (CAS 1000933-31-2)
- Ethyl 1-(2-pyridin-2-ylethyl)piperidine-4-carboxylate (CAS 1000941-29-6)
- 1-Methyl-4-(pyridin-2-ylmethyl)piperazine (CAS 100158-57-4)
Recommended Standards
- (2-Fluoro-6-iodophenyl)methanamine (CAS 771579-32-9)
- 3-Methylquinoline-5-carboxylic acid (CAS 94975-86-7)
- trans-2-Aminocyclopentanol Hydrochloride (CAS 31775-67-4)
- 4-Iodobutanoyl chloride (CAS 927-59-3)
- Methyl 4-(3-(4-fluorophenyl)-1,2,4-oxadiazol-5-yl)bicyclo[2.2.2]Octane-1-carboxylate (CAS 719274-56-3)
- 2-Amino-N-((6-chloropyridazin-3-yl)methyl)acetamide (CAS 1353956-42-9)
- 5-(6-Chloropyridin-3-yl)-3-(2,4-dichlorophenyl)-1,2,4-oxadiazole (CAS 1119396-12-1)
- Morantel (CAS 20574-50-9)
- Clenbuterol impurity 7 (CAS 2383807-57-4)
- Insulin Degludec Impurity 8 (CAS CATO-C4X-21578)
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