| CAS No. | 55775-26-3 |
| Molecular Formula | C11H12NO2S |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 302.19 g/mol gives 3-(2-Carboxyethyl)-2-methylbenzo[d]thiazol-3-ium bromide distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
3-(2-Carboxyethyl)-2-methylbenzo[d]thiazol-3-ium bromide (CAS 55775-26-3) is a high-purity analytical reference standard with the molecular formula C11H12NO2SBr and a molecular weight of 302.19 g/mol.
Structurally, 3-(2-Carboxyethyl)-2-methylbenzo[d]thiazol-3-ium bromide (C11H12NO2SBr) contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage, bromine substitution. The molecule exhibits a degree of unsaturation (DBE) of 6.0, corresponding to approximately 6 ring(s) or double-bond equivalent(s). With a molecular weight of 302.19 g/mol, it falls into the moderately-high-molecular-weight range. 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.
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.
| Molecular Formula | C11H12NO2S Br |
| Molecular Weight | 302.19 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1972 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |