4-Bromoisothiazole CAS 24340-77-0
| CAS No. | 24340-77-0 |
| Molecular Formula | C3H2BrNS |
| Molecular Weight | 164.02 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-Bromoisothiazole (CAS 24340-77-0) is a high-purity analytical reference standard with the molecular formula C3H2BrNS and a molecular weight of 164.02 g/mol.
4-Bromoisothiazole (C3H2BrNS) contains 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. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
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 4-Bromoisothiazole 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 | C3H2BrNS |
| Molecular Weight | 164.02 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) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1963 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Bromoisothiazole Standards
- 3-Bromoisothiazole (CAS 55512-82-8)
- 5-Bromoisothiazole (CAS 54390-97-5)
- 3-Bromoisothiazole-4-carbonitrile (CAS 1268247-73-9)
- 4-Bromoisothiazole-3-carbonitrile (CAS 89089-06-5)
- 4-Bromoisothiazole-3-carbaldehyde (CAS 88982-79-0)
- 4-Bromoisothiazole-5-carbaldehyde (CAS 5242-62-6)
- 5-Bromoisothiazole-4-carboxylic acid (CAS 1651166-54-9)
- 4-Bromoisothiazole-3-carboxylic Acid (CAS 4576-88-9)
Recommended Standards
- 4-Bromothiazole (CAS 34259-99-9)
- 4-Bromo-1-(▓H)methylpyrazole (CAS 1185320-08-4)
- Sodium propa-1,2-dien-1-ylphosphonate (CAS 34163-96-7(free base))
- 3-(2,2-dichlorocyclopropyl)propanenitrile (CAS 1909308-34-4)
- Tempoxime Hydrochloride (CAS 63467-53-8)
- 5-fluoro-7-methyl-2,3-dihydro-1$l^{6},2-benzothiazole-1,1,3-trione (CAS 1384428-65-2)
- 2-Chloro-5-(1-isopropylpiperidin-2-yl)pyridine (CAS 1352492-43-3)
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- (2s)-2-Amino-2-(2-bromo-4-chlorophenyl)ethan-1-ol hydrochloride (CAS 2613299-15-1)
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Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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