5-(2,6-Dichloropyridin-4-yl)-1,3,4-oxadiazole-2-thiol CAS 119221-62-4
| CAS No. | 119221-62-4 |
| Molecular Formula | C7H3Cl2N3OS |
| Molecular Weight | 248.09 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 5-(2,6-Dichloropyridin-4-yl)-1,3,4-oxadiazole-2-thiol (CAS 119221-62-4), a certified reference material (molecular formula C7H3Cl2N3OS, MW 248.09 g/mol) for analytical method development and quality control.
Structurally, 5-(2,6-Dichloropyridin-4-yl)-1,3,4-oxadiazole-2-thiol (C7H3Cl2N3OS) contains an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage, chlorine substitution, an aromatic ring system. 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 248.09 g/mol, it falls into the medium-molecular-weight range. 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.
As a certified reference material (CRM), 5-(2,6-Dichloropyridin-4-yl)-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.
Physical & Chemical Properties
| Molecular Formula | C7H3Cl2N3OS |
| Molecular Weight | 248.09 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1991 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Dichloropyridin Standards
- n-(2-((3,5-Dichloropyridin-2-yl)amino)ethyl)acetamide (CAS 1154957-32-0)
- 2-[(5,6-dichloropyridin-3-yl)formamido]acetic acid (CAS 1098384-79-2)
- 4-((2,6-Dichloropyridin-4-yl)methyl)morpholine (CAS 1015844-22-0)
- N-(5,6-Dichloropyridin-2-yl)pivalamide (CAS 1192814-44-0)
- N-(2,6-Dichloropyridin-4-yl)pivalamide (CAS 1345456-45-2)
- 1-(2,6-Dichloropyridin-4-yl)piperidin-4-ol (CAS 881418-23-1)
- (2,6-Dichloropyridin-4-yl)(oxazolidin-3-yl)methanone (CAS 57803-45-9)
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Recommended Standards
- 5-Carbamoylpyridine-3-boronic acid pinacol ester, >97% (CAS 1169402-51-0)
- (4-(3-Isopropyl-2-oxoimidazolidin-1-yl)phenyl)boronic acid (CAS 1208312-96-2)
- 2-[[(3-Bromo-4-fluorophenyl)methyl]amino]ethanol (CAS 1152542-79-4)
- (S)-2-(4-bromo-3-fluorophenyl)-2-(methylamino)ethan-1-ol (CAS 1213496-65-1)
- 4-Formyl-6-(trifluoromethyl)picolinic acid (CAS 1289075-03-1)
- 2-[4-(Trifluoromethoxy)phenyl]-1,3-dioxolane (CAS 773102-04-8)
- 2-(Cyclopropylmethoxy)nicotinonitrile (CAS 1019493-32-3)
- 6-L-Ala-Etelcalcetide (CAS CATO-C4X-32473)
- 6-Chloro-3-phenyl[1,2,4]triazolo[4,3-b]pyridazine (CAS 7190-80-9)
- 2-Chloro-N,N-dimethyl-5-nitrobenzenesulfonamide (CAS 10372-90-4)
- Rhodium(I)-cis,cis-1,5-cyclooctadiene-1,10-phenanthroline (chloride) (CAS 54324-73-1)
- 2-(4-Heptylbenzoyl)oxazole (CAS 898760-15-1)
- Bis(cyclopentadiene)ruthenium(II) (CAS 1287-13-4)
- Liraglutide Impurity 20 TFA Salt (CAS CATO-C4X-199220)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
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