5-[(3-Nitro-2-pyridinyl)sulfanyl]-1,3,4-thiadiazole-2-thiol CAS 73768-73-7
| CAS No. | 73768-73-7 |
| Molecular Formula | C7H4N4O2S3 |
| Molecular Weight | 272.33 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-[(3-Nitro-2-pyridinyl)sulfanyl]-1,3,4-thiadiazole-2-thiol (CAS 73768-73-7), molecular formula C7H4N4O2S3 and molecular weight 272.33 g/mol, is a CATO reference standard with documented purity and traceability.
The molecular framework of 5-[(3-Nitro-2-pyridinyl)sulfanyl]-1,3,4-thiadiazole-2-thiol (C7H4N4O2S3) is characterized by an amide group, a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system. In reversed-phase chromatography, its retention is governed primarily by the protonation state of its nitrogen-containing groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. 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.
CATO manufactures 5-[(3-Nitro-2-pyridinyl)sulfanyl]-1,3,4-thiadiazole-2-thiol 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.
Physical & Chemical Properties
| Molecular Formula | C7H4N4O2S3 |
| Molecular Weight | 272.33 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1978 |
| Nitrogen Atoms | 4 |
| Sulfur Atoms | 3 |
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- 4-Amino-4-(3,4-dichlorophenyl)butanoic acid hydrochloride (CAS 1251923-47-3)
- 2-Bromo-4-(trifluoromethyl)thiazole-5-carboxylic Acid (CAS 162651-07-2)
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- 2,4,5-Trichloro-N-phenethylbenzenesulfonamide (CAS 457960-81-5)
- Semaglutide Impurity 150 xTFA (CAS CATO-C4X-2226150)
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