2-Bromo-5-methylpyridine 1-Oxide CAS 19230-58-1
| CAS No. | 19230-58-1 |
| Molecular Formula | C6H6BrNO |
| Molecular Weight | 188.02 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C6H6BrNO, 2-Bromo-5-methylpyridine 1-Oxide contains an amide group, 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 188.02 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 2-Bromo-5-methylpyridine 1-Oxide (CAS 19230-58-1), a certified reference material (molecular formula C6H6BrNO, MW 188.02 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), 2-Bromo-5-methylpyridine 1-Oxide 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 | C6H6BrNO |
| Molecular Weight | 188.02 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, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1962 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 1 |
Related Bromo Standards
- 4-Bromo-2-methoxypyridine (CAS 100367-39-3)
- 4-Bromo-2-methylpyridine 1-oxide (CAS 100367-74-6)
- 2-Bromo-5-methylpyridin-3-ol (CAS 1003711-30-5)
- 2-BROMO-5-HYDROXY-3-PICOLINE (CAS 1003711-43-0)
- 4-Bromo-3-methylpyridine 1-oxide (CAS 10168-58-8)
- 2-Bromo-5-methoxypyridine (CAS 105170-27-2)
- 4-Bromo-3-methoxypyridine (CAS 109911-38-8)
- 2-Bromo-4-hydroxymethylpyridine (CAS 118289-16-0)
Recommended Standards
- 2-Bromo-3-Methylpyridine 1-Oxide (CAS 19230-57-0)
- 2-Bromo-1-methylpyridin-4(1H)-one (CAS 1934508-63-0)
- 6-(Bromomethyl)pyridin-3-ol (CAS 185389-84-8)
- (5-Bromo-pyridin-3-yl)methanol (CAS 37669-64-0)
- 8-Hydroxy Guanosine-13C,15N2 (CAS CATO-CCAD303071)
- 2-Amino-4,6-dichloronicotinaldehyde (CAS 2386318-85-8)
- Trans-1,4-Dichloro-2-Butene (CAS 110-57-6)
- 1,4-Diphenyl-5,8-dihydro-5,8-methanophthalazine (CAS 203982-88-1)
- 1-(3-(3,4-Dimethoxyphenyl)-1,2,4-oxadiazol-5-yl)ethanamine hydrochloride (CAS 1609400-72-7)
- Xylometazoline EP Impurity B (CAS 19387-83-8)
- (1S,5S)-3,3,5-trimethylcyclohexyl acetate (CAS 24691-16-5)
- Iron(II) 2-ethylhexano-isopropoxide, 5% w/v in hexane (CAS 331686-36-3)
- 1-(3-Hydroxypyridin-2-yl)-2,5-dimethyl-1H-pyrrole-3-carbaldehyde (CAS 876717-25-8)
- Semaglutide impurity 97 (CAS CATO-C4X-222697)
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