3-Bromo-4,6-dimethylisothiazolo[5,4-b]pyridine CAS 61889-26-7
| CAS No. | 61889-26-7 |
| Molecular Formula | C8H7BrN2S |
| Molecular Weight | 243.12 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 243.12 g/mol gives 3-Bromo-4,6-dimethylisothiazolo[5,4-b]pyridine distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies 3-Bromo-4,6-dimethylisothiazolo[5,4-b]pyridine (CAS 61889-26-7), a certified reference material (molecular formula C8H7BrN2S, MW 243.12 g/mol) for analytical method development and quality control.
3-Bromo-4,6-dimethylisothiazolo[5,4-b]pyridine (C8H7BrN2S) contains a nitrogen-containing heterocyclic scaffold, a nitrile group, sulfur-containing functionality, bromine substitution. Halogen substitution raises its density and boiling point; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
CATO manufactures 3-Bromo-4,6-dimethylisothiazolo[5,4-b]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 | C8H7BrN2S |
| Molecular Weight | 243.12 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1974 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
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Recommended Standards
- 2-Amino-6-bromo-7-methylbenzothiazole (CAS 947248-61-5)
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- 4-Bromo-6-methylbenzo[d]thiazol-2-amine (CAS 76996-16-2)
- 3-(((2,3-Dihydro-1H-inden-5-yl)oxy)methyl)-4-methoxybenzaldehyde (CAS 438531-13-6)
- 2-(3-(4-Fluorophenyl)-1H-pyrazol-1-yl)ethan-1-amine (CAS 1020706-56-2)
- Triethylgallium (CAS 1115-99-7)
- (-)-N-Desmethyl Tramadol (CAS 147762-58-1)
- 2-(5-(tert-Butyl)pyrimidin-2-yl)ethan-1-amine (CAS 944904-80-7)
- 3,4-Dioctylthiophene (CAS 161746-06-1)
- N-(5-Bromo-2-methylphenyl)glycine (CAS 66947-36-2)
- 4-Oxo-2-[(1-phenyl-1H-1,2,3,4-tetrazol-5-yl)sulfanyl]-4h-pyrido[1,2-a]pyrimidine-3-carbaldehyde (CAS 746610-48-0)
- (S)-N-(Piperidin-3-yl)propane-2-sulfonamide hydrochloride (CAS 1349702-29-9)
- Insulin Degludec Impurity 14 (CAS CATO-C4X-215714)
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