5-(3-Chlorobenzo[b]thiophen-2-yl)-1,3,4-oxadiazol-2(3H)-one CAS 78620-31-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 78620-31-2 |
| Molecular Formula | C10H5ClN2O2S |
| Molecular Weight | 252.68 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-(3-Chlorobenzo[b]thiophen-2-yl)-1,3,4-oxadiazol-2(3H)-one (CAS 78620-31-2) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C10H5ClN2O2S. Molecular weight: 252.68 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C10H5ClN2O2S |
| Molecular Weight | 252.68 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, 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; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1979 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Chlorobenzo Standards
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- 1-(3-Chlorobenzo[b]thiophen-2-yl)-N-(cyclopropylmethyl)methanamine (CAS 1184521-93-4)
- 1-(5-Chlorobenzo[d]oxazol-2-yl)piperidin-3-amine (CAS 1119429-26-3)
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Recommended Standards
- 4-(1,3-Dioxolan-2-yl)-1-methyl-1H-pyrazole-5-sulfonyl chloride (CAS 2137987-99-4)
- 5-Chloro-2-(furan-2-yl)thiazolo[5,4-d]pyrimidin-7-amine (CAS 2042564-59-8)
- 1-Methyl-4-ethoxycarbonylpyrazole-5-sulfonylchloride (CAS 93621-38-6)
- tert-Butyl (R)-2-(3-methylbenzyl)piperazine-1-carboxylate (CAS 1240587-90-9)
- (E)-{1-[3-(4-chlorophenyl)-1,2-oxazol-5-yl]ethylidene}amino benzoate (CAS 478066-78-3)
- 2-aminocyclobutan-1-ol hydrochloride (CAS 1443981-58-5)
- (3S,3aR,9bR)-9b-((4-Fluorophenyl)sulfonyl)-7-(perfluoropropan-2-yl)-2,3,3a,4,5,9b-hexahydro-1H-cyclopenta[a]naphthalene-3-carboxylic acid (CAS 2226317-40-2)
- 6-Bromo-2-cyano-3-(trifluoromethyl)benzenesulfonyl chloride (CAS 1805499-64-2)
- (R)-2-Hydroxy-2-(2-methoxyphenyl)acetonitrile (CAS 121985-99-7)
- Prolactin-Releasing Peptide (12-31), rat (CAS 222988-10-5)
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