4-bromo-5-methyl-Thiazole CAS 132221-51-3
| CAS No. | 132221-51-3 |
| Molecular Formula | C4H4BrNS |
| Molecular Weight | 178.05 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures 4-bromo-5-methyl-Thiazole 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.
4-bromo-5-methyl-Thiazole (CAS 132221-51-3) is a high-purity analytical reference standard with the molecular formula C4H4BrNS and a molecular weight of 178.05 g/mol.
Based on its molecular formula C4H4BrNS, 4-bromo-5-methyl-Thiazole contains a nitrile group, sulfur-containing functionality, bromine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 178.05 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.
Physical & Chemical Properties
| Molecular Formula | C4H4BrNS |
| Molecular Weight | 178.05 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.) | 1994 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related bromo Standards
- 2-Bromo-3-thiocyanatoprop-1-ene (CAS 102367-26-0)
- 1-Bromo-3-thiocyanatoprop-1-ene (CAS 102367-27-1)
- 5-Bromo-4-methylthiazole (CAS 111600-83-0)
- 3-Bromo-4-methyl-isothiazole (CAS 1174132-75-2)
- 4-Bromo-5-methylisothiazole (CAS 1547081-09-3)
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Recommended Standards
- 2-(Bromomethyl)thiazole (CAS 131654-56-3)
- 4-(Bromomethyl)isothiazole (CAS 1378822-69-5)
- 4-Bromothiophen-2-amine (CAS 1163729-45-0)
- 4-Bromothiophen-3-amine (CAS 161833-43-8)
- ((3-Iodo-2-methylpropoxy)methyl)benzene (CAS 77397-06-9)
- 3-Chloro-1-methyl-1H-indazol-6-amine (CAS 189559-98-6)
- 2-(4-(((1-(2,2,2-Trifluoroethyl)-1H-pyrazol-4-yl)methyl)amino)-1H-pyrazol-1-yl)ethan-1-ol hydrochloride (CAS 1856071-95-8)
- 8-(4-Chlorophenyl)-1,4-dioxaspiro[4.5]Dec-7-ene (CAS 126991-60-4)
- 2-(Azepan-1-yl)-4-chloroquinazoline (CAS 134961-18-5)
- Ethyl 4-(2,4,6-trimethylphenyl)-4-oxobutanoate (CAS 31419-99-5)
- 4-Bromobenzo[d]isothiazol-3-amine (CAS 1379314-27-8)
- 6'-Bromospiro[cyclobutane-1,2'-thiochroman]-4'-ol (CAS 1823904-46-6)
- 2-(Chloromethyl)-3-fluorobenzonitrile (CAS 1260814-51-4)
- Des-Ser39-Tirzepatide (CAS CATO-CPTD788936)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com