Sodium 5-bromo-4-methyl-1,3-thiazole-2-carboxylate CAS 2138517-32-3
| CAS No. | 2138517-32-3 |
| Molecular Formula | C5H3BrNO2S |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 244.04 g/mol gives Sodium 5-bromo-4-methyl-1,3-thiazole-2-carboxylate distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
Sodium 5-bromo-4-methyl-1,3-thiazole-2-carboxylate (CAS 2138517-32-3), molecular formula C5H3BrNO2SNa and molecular weight 244.04 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, Sodium 5-bromo-4-methyl-1,3-thiazole-2-carboxylate (C5H3BrNO2SNa) contains a salt form, an amide group, a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, bromine substitution. The molecule exhibits a degree of unsaturation (DBE) of 4.5, corresponding to approximately 4 ring(s) or double-bond equivalent(s). With a molecular weight of 244.04 g/mol, it falls into the medium-molecular-weight range. 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.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C5H3BrNO2S Na |
| Molecular Weight | 244.04 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, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 4.5 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1997 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Sodium Standards
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Recommended Standards
- 2-((4-Methoxybenzyl)thio)-3-methylquinazolin-4(3H)-one (CAS 90852-47-4)
- 6-(((9H-fluoren-9-yl)methoxy)carbonyl)-6-azaspiro[3.4]Octane-8-carboxylic acid (CAS 2383892-92-8)
- 2-[(4-bromo-2-methylphenyl)amino]acetic acid (CAS 66947-37-3)
- Fluralaner Impurity 50 (CAS 1309959-46-3)
- 5-Bromo-1-benzothiophene-2-carboxylic acid (CAS 7312-10-9)
- N-(5-((4-Bromobenzyl)thio)-1,3,4-thiadiazol-2-yl)cyclohexanecarboxamide (CAS 392302-74-8)
- 1-(4-Methylbenzenesulfonyl)-2-phenylpiperazine (CAS 912763-17-8)
- 3-Butynoic acid, 2-[[(1,1-dimethylethoxy)carbonyl]amino]-2-methyl-, (2R)- (CAS 125414-56-4)
- 3-Allyl-6-fluorobenzo[d]thiazol-2(3H)-imine hydrobromide (CAS 1351643-51-0)
- Tirzepatide Impurity 58 (CAS CATO-C4X-324058)
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