4-Bromo-2-chloro-3-(methylsulfanyl)pyridine CAS 2386938-99-2
| CAS No. | 2386938-99-2 |
| Molecular Formula | C6H5BrClNS |
| Molecular Weight | 238.53 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 4-Bromo-2-chloro-3-(methylsulfanyl)pyridine is closely related to a nitrile group, sulfur-containing functionality, chlorine/bromine substitution, an aromatic ring system in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
4-Bromo-2-chloro-3-(methylsulfanyl)pyridine (CAS 2386938-99-2), molecular formula C6H5BrClNS and molecular weight 238.53 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a nitrile group, sulfur-containing functionality, chlorine/bromine substitution, an aromatic ring system, 4-Bromo-2-chloro-3-(methylsulfanyl)pyridine is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 238.53 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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), 4-Bromo-2-chloro-3-(methylsulfanyl)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 | C6H5BrClNS |
| Molecular Weight | 238.53 g/mol |
| 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 |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1999 |
| Halogen Content | Cl/Br-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Bromo Standards
- 3-Bromo-5-chloro-2-(methylsulfanyl)pyridine (CAS 1289214-24-9)
- 2-Bromo-5-chloro-3-(methylthio)pyridine (CAS 1416713-05-7)
- 3-Bromo-2-chloro-6-(methylthio)pyridine (CAS 1809158-14-2)
- 5-Bromo-3-chloro-4-methylthiopyridine (CAS 261625-68-7)
- 4-bromo-1-chloro-2-isocyanatobenzene (CAS 923693-67-8)
- 4-Bromo-2-chloro-5-fluorobenzenemethanamine (CAS 1338432-69-1)
- 2-Bromo-6-chloro-4-fluoro-3-methylaniline (CAS 1365988-12-0)
- (5-Bromo-3-chloro-2-fluorophenyl)methanamine (CAS 1386459-84-2)
Recommended Standards
- 4-amino-2-bromo-5-chlorobenzene-1-thiol (CAS 1909309-30-3)
- 6-Amino-3-bromo-2-chlorobenzenethiol (CAS 2818960-25-5)
- 3,4,5-Trichloro-2,6-diethylpyridine (CAS 32618-38-5)
- Lifitegrast Impurity 27 (CAS 14046-52-7)
- 4-Bromo-6-ethoxyquinoline (CAS 1070879-28-5)
- Mavacamten (CAS 1642288-47-8)
- tert-Butyl (1-(4-chlorophenyl)-3-hydroxypropan-2-yl)carbamate (CAS 235439-54-0)
- 2-Bromo-5-fluoro-N-phenylbenzamide (CAS 949443-48-5)
- 5,5-Difluoro-3-(trifluoromethyl)-6,6a,7,8,9,10-hexahydro-5H-pyrazino[1,2-a][1,8]naphthyridine 2,2,2-trifluoroacetate (CAS 2820001-94-1)
- 4-(3-Fluorophenoxy)piperidinehydrochloride (CAS 3202-36-6)
- Aciclovir Impurity 37 (CAS CATO-C4X-101037)
- 2-bromo-1-(5-bromopyrazin-2-yl)ethan-1-one hydrobromide (CAS 1803612-23-8)
- Biapenem impurity 27 (CAS CATO-C4X-227327)
- Semaglutide Impurity 115 (CAS CATO-C4X-2226115)
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