| CAS No. | 183299-60-7 |
| Molecular Formula | C5H7N3OS |
| Molecular Weight | 157.19 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 157.19 g/mol gives N,4-dimethyl-1,2,3-thiadiazole-5-carboxamide distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
N,4-dimethyl-1,2,3-thiadiazole-5-carboxamide (CAS 183299-60-7), molecular formula C5H7N3OS and molecular weight 157.19 g/mol, is a CATO reference standard with documented purity and traceability.
N,4-dimethyl-1,2,3-thiadiazole-5-carboxamide (C5H7N3OS) contains an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage. Its physicochemical properties are representative of its class; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
CATO manufactures N,4-dimethyl-1,2,3-thiadiazole-5-carboxamide 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.
| Molecular Formula | C5H7N3OS |
| Molecular Weight | 157.19 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 2009 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |