5-Bromo-2-methoxy-3-(methylsulfonyl)pyridine CAS 1383992-68-4
| CAS No. | 1383992-68-4 |
| Molecular Formula | C7H8BrNO3S |
| Molecular Weight | 266.11 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-Bromo-2-methoxy-3-(methylsulfonyl)pyridine (CAS 1383992-68-4), molecular formula C7H8BrNO3S and molecular weight 266.11 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 5-Bromo-2-methoxy-3-(methylsulfonyl)pyridine (C7H8BrNO3S) contains an amide group, a sulfone group, 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 4.0, corresponding to approximately 4 ring(s) or double-bond equivalent(s). With a molecular weight of 266.11 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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-Bromo-2-methoxy-3-(methylsulfonyl)pyridine 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 | C7H8BrNO3S |
| Molecular Weight | 266.11 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1991 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Bromo Standards
- N-(4-Bromo-2-hydroxyphenyl)methanesulfonamide (CAS 105295-63-4)
- 5-(4-Bromo-2-fluorophenyl)-2-methylpyridine (CAS 1187163-44-5)
- 2-(4-Bromo-2-fluorophenyl)-5-methylpyridine (CAS 1187163-97-8)
- 2-(4-Bromo-2-fluorophenyl)-6-methylpyridine (CAS 1187168-20-2)
- 4-(4-Bromo-2-fluorophenyl)-2-methylpyridine (CAS 1187168-25-7)
- 2-(4-Bromo-2-fluorophenyl)-4-methylpyridine (CAS 1187168-33-7)
- 2-(4-Bromo-2-fluorophenyl)-3-methylpyridine (CAS 1187169-99-8)
- 4-Bromo-3-methoxybenzenesulfonamide (CAS 1206104-66-6)
Recommended Standards
- 2-(4-Bromophenyl)-2,2-difluoroethanethioamide (CAS 1334148-80-9)
- (5-Bromopyridin-3-yl)methyl methanesulfonate (CAS 145743-86-8)
- 3-Bromo-5-methoxybenzene-1-sulfonamide (CAS 1261438-84-9)
- 5'-Bromo-2'-fluoro-[1,1'-biphenyl]-3-amine (CAS 1500770-92-2)
- 1-Chloro-4-Fluorobutane (CAS 462-73-7)
- 3-[[(2-Methoxyethoxy)methyl Erythromycin A Oxime Chloride (CAS 151750-47-9)
- 2-(Cyclopropylmethyl)-6-ethyl-3H,4H-thieno[2,3-d]pyrimidin-4-one (CAS 1788637-72-8)
- 4,6,8-Trichloro-2-(methylthio)pyrido[3,4-d]pyrimidine (CAS 2368910-57-8)
- 7-Chloro-N-(3,4-dichlorobenzyl)quinazolin-4-amine (CAS 477861-88-4)
- 3-(4-Chlorophenyl)-8-azabicyclo[3.2.1]octan-3-ol (CAS 1159155-92-6)
- (3-Bromo-4-methylphenoxy)(tert-butyl)dimethylsilane (CAS 164513-48-8)
- 5,8-difluoronaphthalen-1-ol (CAS 707-86-8)
- 5-(4-Fluoro-phenyl)-1-methyl-1H-pyrazole-3-carboxylic acid (CAS 957514-16-8)
- Heme iron polypeptide(Hematin) (CAS 14875-96-8)
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