5-Chloro-3-(ethylsulfanyl)-1,2,4-thiadiazole CAS 13715-64-5
| CAS No. | 13715-64-5 |
| Molecular Formula | C4H5ClN2S2 |
| Molecular Weight | 180.68 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 5-Chloro-3-(ethylsulfanyl)-1,2,4-thiadiazole is closely related to a nitrile group, sulfur-containing functionality, chlorine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
5-Chloro-3-(ethylsulfanyl)-1,2,4-thiadiazole (CAS 13715-64-5) is a high-purity analytical reference standard with the molecular formula C4H5ClN2S2 and a molecular weight of 180.68 g/mol.
5-Chloro-3-(ethylsulfanyl)-1,2,4-thiadiazole (C4H5ClN2S2) contains a nitrile group, sulfur-containing functionality, chlorine substitution. Halogen substitution raises its density and boiling point; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
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-Chloro-3-(ethylsulfanyl)-1,2,4-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.
Physical & Chemical Properties
| Molecular Formula | C4H5ClN2S2 |
| Molecular Weight | 180.68 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.) | 1960 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 2 |
Related Chloro Standards
- 5-Chloro-3-((methylthio)methyl)-1,2,4-thiadiazole (CAS 115443-58-8)
- 1-Chloro-9-fluorononane (CAS 463-23-0)
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Recommended Standards
- 2-(Chloromethyl)-5-(methylsulfanyl)-1,3,4-thiadiazole (CAS 3914-48-5)
- 4-(4-Chlorobutoxy)butan-1-ol (CAS 60767-73-9)
- 5-(1-chloroethyl)-2,3-dihydro-1H-indene (CAS 4228-22-2)
- 2-(Chlorodimethylsilyl)ethyl acetate (CAS 18306-45-1)
- 1-(2-Amino-5-(trifluoromethyl)phenyl)-2,2,2-trifluoroethan-1-one (CAS 489429-73-4)
- tert-Butyl 3-((1-(4-fluorobenzyl)-1H-benzo[d]imidazol-2-yl)amino)pyrrolidine-1-carboxylate (CAS 885270-87-1)
- Allyl-(3-methyl-1,1-dioxo-tetrahydro-1lambda*6*-thiophen-3-yl)-amine (CAS 151775-05-2)
- 4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-2-pyridinecarboxylic Acid Methyl Ester (CAS 957062-72-5)
- 2-Amino-4-methoxybenzoic Acid (CAS 4294-95-5)
- 3-Oxocyclohexyl benzoate (CAS 62784-62-7)
- Donepezil D7 (CAS 1215071-00-3)
- 5-Bromo-4-methoxy-3-methylbenzofuran-2-carboxylic acid (CAS 857081-09-5)
- 5,7-Dimethyl-2-phenylquinolin-4-ol (CAS 1070879-75-2)
- MOTS-c Peptide (CAS 1627580-64-6)
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