2-Bromo-5-methyl-3-(methylthio)pyridine CAS 1820649-46-4
| CAS No. | 1820649-46-4 |
| Molecular Formula | C7H8BrNS |
| Molecular Weight | 218.11 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 2-Bromo-5-methyl-3-(methylthio)pyridine (C7H8BrNS) contains a nitrile group, sulfur-containing functionality, 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 218.11 g/mol, it falls into the medium-molecular-weight range. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
2-Bromo-5-methyl-3-(methylthio)pyridine (CAS 1820649-46-4), molecular formula C7H8BrNS and molecular weight 218.11 g/mol, is a CATO reference standard with documented purity and traceability.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 2-Bromo-5-methyl-3-(methylthio)pyridine under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C7H8BrNS |
| Molecular Weight | 218.11 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.) | 1995 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Bromo Standards
- 5-Bromo-2-cyclobutylthiazole (CAS 1086382-50-4)
- 2-Bromo-5-cyclobutylthiazole (CAS 1159814-12-6)
- 2-Bromo-4-cyclobutylthiazole (CAS 1159820-59-3)
- 2-Bromo-4,5,6,7-tetrahydrothieno[2,3-c]pyridine (CAS 1200131-55-0)
- 1-Bromo-4,5,6,7-tetrahydrothieno[3,4-c]pyridine (CAS 1219531-56-2)
- 3-Bromo-4,5,6,7-tetrahydrothieno[3,2-c]pyridine (CAS 1257854-58-2)
- 5-bromo-2-(ethylsulfanyl)pyridine (CAS 127800-66-2)
- 3-Bromo-5-methyl-2-(methylthio)pyridine (CAS 1289049-50-8)
Recommended Standards
- 2-(Difluoromethyl)-5-hydroxy-3-nitropyridine-6-carboxaldehyde (CAS 1806941-37-6)
- 2-Bromo-3-methyl-5-(methylthio)pyridine (CAS 2624417-50-9)
- 2-(Difluoromethyl)-3-nitropyridine-5-carboxylic acid (CAS 1805926-13-9)
- 2-Bromo-4,5,6,7-tetrahydro-1,3-benzothiazole (CAS 438568-89-9)
- Ethyl 7-chloro-2,3-dihydrobenzofuran-2-carboxylate (CAS 113730-55-5)
- 4-Isobutyl-pyridine (CAS 4810-79-1)
- Ethyl 5-(phenylsulfanyl)-3-[3-(trifluoromethyl)phenyl]-1,2,4-triazine-6-carboxylate (CAS 338957-00-9)
- 2-(2,6-Dichlorophenyl)pyrimidin-4-amine (CAS 1250691-12-3)
- 1-(4-Chloro-2,5-difluorophenyl)-4-(5,5-dimethyl-1,3-dioxan-2-yl)butan-1-one (CAS 898757-41-0)
- 2',3'-Dihydrospiro[cyclohexane-1,1'-inden]-3'-amine hydrochloride (CAS 1071675-40-5)
- Glucosamine sulfate impurity 24 (CAS 6082-29-7)
- 2-Pyridin-2-yl-phenylamine dihydrochloride (CAS 1427195-42-3)
- 1-Methyl-N-(tetrahydro-2H-thiopyran-3-yl)-1H-pyrazol-4-amine (CAS 1341818-61-8)
- Semaglutide impurity 256 (CAS CATO-C4X-2226256)
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