5-Thien-2-yl-2H-tetrazole CAS 59541-58-1
| CAS No. | 59541-58-1 |
| Molecular Formula | C5H4N4S |
| Molecular Weight | 152.18 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 152.18 g/mol gives 5-Thien-2-yl-2H-tetrazole distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
5-Thien-2-yl-2H-tetrazole (CAS 59541-58-1) is a high-purity analytical reference standard with the molecular formula C5H4N4S and a molecular weight of 152.18 g/mol.
Owing to a nitrile group, sulfur-containing functionality, 5-Thien-2-yl-2H-tetrazole is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 152.18 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), 5-Thien-2-yl-2H-tetrazole 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 | C5H4N4S |
| Molecular Weight | 152.18 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) | 6.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1974 |
| Nitrogen Atoms | 4 |
| Sulfur Atoms | 1 |
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Recommended Standards
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- Isothiazolo[4,5-b]pyrazin-3-amine (CAS 92914-68-6)
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