4-Bromopyridine-3-thiol CAS 1449698-55-8
| CAS No. | 1449698-55-8 |
| Molecular Formula | C5H4BrNS |
| Molecular Weight | 190.06 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 4-Bromopyridine-3-thiol is closely related to a nitrile group, sulfur-containing functionality, bromine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
4-Bromopyridine-3-thiol (CAS 1449698-55-8) is a high-purity analytical reference standard with the molecular formula C5H4BrNS and a molecular weight of 190.06 g/mol.
Based on its molecular formula C5H4BrNS, 4-Bromopyridine-3-thiol contains a nitrile group, sulfur-containing functionality, bromine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 190.06 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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-Bromopyridine-3-thiol 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 | C5H4BrNS |
| Molecular Weight | 190.06 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 |
| CAS Registry Year (est.) | 1992 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Bromopyridine Standards
- 3-Bromopyridine-2-thiol (CAS 65938-86-5)
- 5-Bromopyridine-3-thiol (CAS 552331-85-8)
- 6-Bromopyridine-2(1H)-thione (CAS 856013-03-1)
- 6-Bromopyridine-3-thiol (CAS 64007-57-4)
- 4-Bromopyridine-2,6-diol (CAS 1823765-82-7)
- 5-Bromopyridine-2,3-diol (CAS 34206-49-0)
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Recommended Standards
- 2-Bromo-4-vinylthiazole (CAS 1044870-04-3)
- 3-Bromo-4-mercaptopyridine (CAS 82264-72-0)
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- Semaglutide Impurity 187 (CAS CATO-C4X-2226187)
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