5-(Prop-2-yn-1-yloxy)-1,3,4-thiadiazol-2-amine CAS 1637367-04-4
| CAS No. | 1637367-04-4 |
| Molecular Formula | C5H5N3OS |
| Molecular Weight | 155.18 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 5-(Prop-2-yn-1-yloxy)-1,3,4-thiadiazol-2-amine (C5H5N3OS) contains an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 5.0, corresponding to approximately 5 ring(s) or double-bond equivalent(s). With a molecular weight of 155.18 g/mol, it falls into the medium-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.
5-(Prop-2-yn-1-yloxy)-1,3,4-thiadiazol-2-amine (CAS 1637367-04-4), molecular formula C5H5N3OS and molecular weight 155.18 g/mol, is a CATO reference standard with documented purity and traceability.
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), 5-(Prop-2-yn-1-yloxy)-1,3,4-thiadiazol-2-amine 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.
Physical & Chemical Properties
| Molecular Formula | C5H5N3OS |
| Molecular Weight | 155.18 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) | 5.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1993 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
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