5-Ethyl-1,3,4-oxadiazole-2-thiol CAS 62999-57-9
| CAS No. | 62999-57-9 |
| Molecular Formula | C4H6N2OS |
| Molecular Weight | 130.17 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 130.17 g/mol gives 5-Ethyl-1,3,4-oxadiazole-2-thiol distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
5-Ethyl-1,3,4-oxadiazole-2-thiol (CAS 62999-57-9) is a high-purity analytical reference standard with the molecular formula C4H6N2OS and a molecular weight of 130.17 g/mol.
Owing to an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage, 5-Ethyl-1,3,4-oxadiazole-2-thiol is typically white to pale yellow liquid. Its solid-state physicochemical attributes — including a molecular weight of 130.17 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
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-Ethyl-1,3,4-oxadiazole-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 | C4H6N2OS |
| Molecular Weight | 130.17 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) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1974 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Ethyl Standards
- (1,2,5-Oxadiazole-3,4-diyl)dimethanol (CAS 14460-57-2)
- 1,2,4-Oxadiazole-3-carbothioamide 2425AE 39512-80-6 C3H3N3OS (CAS 39512-80-6)
- methyl 1,2,5-oxadiazole-3-carboxylate (CAS 148122-20-7)
- methyl 1,3,4-oxadiazole-2-carboxylate (CAS 1934787-37-7)
- 4-methyl-1,2,5-oxadiazole-3-carboxylic acid (CAS 58677-34-2)
- 5-methyl-1,2,3-oxadiazole-4-carboxylic acid (CAS 914637-48-2)
- 5-Methyl-1,2,4-oxadiazole-3-carboxylic Acid (CAS 19703-92-5)
- 1,2,4-Oxadiazole-3-carbohydrazide (CAS 39512-60-2)
Recommended Standards
- 5-Amino-2-methyl-1,2-dihydro-3H-1,2,4-triazole-3-thione (CAS 37634-01-8)
- 5-Methyl-2-thioxoimidazolidin-4-one (CAS 33368-94-4)
- 5-Amino-2,4-dihydro-4-methyl-3H-1,2,4-triazole-3-thione (CAS 66870-09-5)
- N2-Methyl-1,3,4-thiadiazole-2,5-diamine (CAS 33151-04-1)
- Sodium 2-(3,4-dimethoxyphenyl)hydrazine-1-sulfonate (CAS 84292-93-3)
- 2-(4-Methylpiperazin-1-yl)-2-phenylacetonitrile hydrochloride (CAS 108953-41-9)
- (S)-1-(2-(Aminomethyl)morpholino)ethan-1-one (CAS 1268520-33-7)
- N-[(1S,2S)-2-Amino-1,2-diphenylethyl]-N'-[3,5-bis(trifluoromethyl)phenyl]thiourea (CAS 1217436-37-7)
- 1,3-Dimethyl-5-(piperazin-1-yl)-1h-pyrazole-4-carbonitrile (CAS 1339479-03-6)
- 2-(4-Chlorophenyl)-5-((4-chlorophenyl)thio)-4-(4-methoxyphenyl)thiazole (CAS 865658-09-9)
- 2-(tert-Butylthio)-3-(piperidin-2-yl)pyridine (CAS 1352540-51-2)
- 2,3,5,6-Tetrafluorotyrosine (CAS 157807-84-6)
- Butyldipentylphosphine oxide (CAS 73986-81-9)
- Hexapeptide-1 (CAS CATO-CPTD788821)
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