| CAS No. | 61450-91-7 |
| Molecular Formula | C4H5BrN2OS |
| Molecular Weight | 209.06 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 209.06 g/mol gives 2-Bromo-5-(methoxymethyl)-1,3,4-thiadiazole distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
2-Bromo-5-(methoxymethyl)-1,3,4-thiadiazole (CAS 61450-91-7) is a high-purity analytical reference standard with the molecular formula C4H5BrN2OS and a molecular weight of 209.06 g/mol.
Owing to an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage, bromine substitution, 2-Bromo-5-(methoxymethyl)-1,3,4-thiadiazole is typically white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 209.06 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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.
As a certified reference material (CRM), 2-Bromo-5-(methoxymethyl)-1,3,4-thiadiazole meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
| Molecular Formula | C4H5BrN2OS |
| Molecular Weight | 209.06 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| 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.) | 1974 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |