5-(2-ethoxyphenyl)-1,3,4-oxadiazole-2-thiol CAS 19982-38-8
| CAS No. | 19982-38-8 |
| Molecular Formula | C10H10N2O2S |
| Molecular Weight | 222.26 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 5-(2-ethoxyphenyl)-1,3,4-oxadiazole-2-thiol 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.
CATO supplies 5-(2-ethoxyphenyl)-1,3,4-oxadiazole-2-thiol (CAS 19982-38-8), a certified reference material (molecular formula C10H10N2O2S, MW 222.26 g/mol) for analytical method development and quality control.
Structurally, 5-(2-ethoxyphenyl)-1,3,4-oxadiazole-2-thiol (C10H10N2O2S) contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 7.0, corresponding to approximately 7 ring(s) or double-bond equivalent(s). With a molecular weight of 222.26 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C10H10N2O2S |
| Molecular Weight | 222.26 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1962 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related ethoxyphenyl Standards
- 5-(4-Ethoxyphenyl)-1,3,4-oxadiazole-2-thiol (CAS 84159-98-8)
- 1-(4-Ethoxyphenyl)-1H-tetrazole-5-thiol (CAS 15182-68-0)
- 1-(2-Ethoxyphenyl)-1H-1,2,3,4-tetrazole-5-thiol (CAS 22347-26-8)
- Ethyl 2-(3-ethoxyphenyl)-2-oxoacetate (CAS 1256480-97-3)
- Ethyl 2-(2-ethoxyphenyl)-2-oxoacetate (CAS 1434651-51-0)
- Methyl 3-(2-ethoxyphenyl)-3-oxopropanoate (CAS 1511797-03-7)
- 4-(2-Ethoxyphenyl)-4-oxobutanoic acid (CAS 39595-35-2)
- 4-(3-Ethoxyphenyl)-4-oxobutanoic acid (CAS 905592-33-8)
Recommended Standards
- 4-Methyl-5-(5-methylfuran-2-yl)thiophene-2-carboxylic acid (CAS 832740-66-6)
- 5-(3-Aminobenzyl)thiazolidine-2,4-dione (CAS 365250-55-1)
- 4-Methyl-1-(phenylsulfonyl)-1h-imidazole (CAS 324777-12-0)
- 5-(3-Methylphenoxymethyl)-1,3,4-oxadiazole-2-thiol (CAS 66178-72-1)
- 3'-Methoxybutyrophenone (CAS 21550-06-1)
- 1-(3-Chlorophenyl)-2-methylpropan-1-one (CAS 55649-98-4)
- (Z)-N-(3-Methylbenzo[d]thiazol-2(3H)-ylidene)-2-((2-oxo-2-(pyrrolidin-1-yl)ethyl)thio)acetamide (CAS 1164549-53-4)
- Methyl 4-((trimethylsilyl)carbonyl)benzoate (CAS 75748-12-8)
- 3,4-Dihydroxy-5-methylfuran-2(5H)-one (CAS 3566-57-2)
- 3-Amino-2-[(2-chlorophenyl)amino]benzoic acid (CAS 893613-01-9)
- 5-[(4-Bromophenyl)sulfanyl]-1-methyl-3-phenyl-4-({[3-(trifluoromethyl)phenyl]sulfanyl}methyl)-1H-pyrazole (CAS 318959-33-0)
- 3-(4-Fluorophenoxy)propionic Acid (CAS 1579-78-8)
- N-(4-(2-oxopyrrolidin-1-yl)benzyl)propionamide (CAS 1010198-58-9)
- Neuropeptide Y, human (CAS 98264-90-5)
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