5-[1-(2-Chlorobenzenesulfonyl)pyrrolidin-2-yl]-3-(2-chlorophenyl)-1,2,4-oxadiazole CAS 551931-01-2
| CAS No. | 551931-01-2 |
| Molecular Formula | C18H15Cl2N3O3S |
| Molecular Weight | 424.30 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures 5-[1-(2-Chlorobenzenesulfonyl)pyrrolidin-2-yl]-3-(2-chlorophenyl)-1,2,4-oxadiazole 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.
CATO supplies 5-[1-(2-Chlorobenzenesulfonyl)pyrrolidin-2-yl]-3-(2-chlorophenyl)-1,2,4-oxadiazole (CAS 551931-01-2), a certified reference material (molecular formula C18H15Cl2N3O3S, MW 424.30 g/mol) for analytical method development and quality control.
Structurally, 5-[1-(2-Chlorobenzenesulfonyl)pyrrolidin-2-yl]-3-(2-chlorophenyl)-1,2,4-oxadiazole (C18H15Cl2N3O3S) contains a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 12.0, corresponding to approximately 12 ring(s) or double-bond equivalent(s). With a molecular weight of 424.30 g/mol, it falls into the moderately-high-molecular-weight range. 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.
Physical & Chemical Properties
| Molecular Formula | C18H15Cl2N3O3S |
| Molecular Weight | 424.30 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1984 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Chlorobenzenesulfonyl Standards
- 5-[1-(2-Chlorobenzenesulfonyl)pyrrolidin-2-yl]-3-(3-chlorophenyl)-1,2,4-oxadiazole (CAS 551931-00-1)
- 5-[1-(2-Chlorobenzenesulfonyl)pyrrolidin-2-yl]-3-(4-chlorophenyl)-1,2,4-oxadiazole (CAS 551930-99-5)
- 5-[1-(4-Chlorobenzenesulfonyl)pyrrolidin-2-yl]-3-(2-chlorophenyl)-1,2,4-oxadiazole (CAS 478045-80-6)
- 5-[1-(4-Chlorobenzenesulfonyl)pyrrolidin-2-yl]-3-(3-chlorophenyl)-1,2,4-oxadiazole (CAS 478045-78-2)
- 1-(4-Chlorobenzenesulfonyl)-N'-[(1E)-(4-fluorophenyl)methylidene]piperidine-4-carbohydrazide (CAS 478030-77-2)
- 4-{3-[(4-chlorobenzenesulfonyl)methyl]-4-nitrobenzoyl}morpholine (CAS 339276-57-2)
- 4-[(4-Chlorobenzenesulfonyl)methyl]-6-[(2-chlorophenyl)methoxy]-2-methylpyrimidine (CAS 338960-44-4)
- 4-[(4-Chlorobenzenesulfonyl)methyl]-6-[(2-chlorophenyl)sulfanyl]-2-methylpyrimidine (CAS 338960-54-6)
Recommended Standards
- 3-(4-Chlorophenyl)-5-(1-((4-chlorophenyl)sulfonyl)pyrrolidin-2-yl)-1,2,4-oxadiazole (CAS 478045-79-3)
- 2-((4-Amino-5-(2,4-dichlorophenyl)-4H-1,2,4-triazol-3-yl)thio)-N-(4-methoxyphenyl)acetamide (CAS 575466-20-5)
- [10-[4-(Naphthalen-1-yl)phenyl]anthracen-9-yl]boronic Acid (contains varying amounts of Anhydride) (CAS 853945-50-3)
- (10-(4-(Naphthalen-2-yl)phenyl)anthracen-9-yl)boronic acid (CAS 853945-48-9)
- 4-Chlorothieno[3,2-d]pyrimidine-6-sulfonyl chloride (CAS 1156137-19-7)
- 2-(5-Methoxybenzo[b]thiophen-3-yl)acetic acid (CAS 30129-68-1)
- (Octahydropyrrolo[1,2-a]pyrazin-8a-yl)methanol (CAS 929047-65-4)
- H-Ala-OBzl · p-tosylate (CAS 42854-62-6)
- N-(3-Fluorophenyl)-1,3-propanesultam (CAS 1225954-22-2)
- N-(2-(1H-indol-3-yl)ethyl)naphthalene-2-sulfonamide (CAS 372109-24-5)
- Ethyl 2-bromo-5-formylnicotinate (CAS 70416-40-9)
- (R)-tert-Butyl ((1-benzylpyrrolidin-3-yl)methyl)carbamate (CAS 852857-09-1)
- 2,5-dichloro-2'-piperidinomethyl benzophenone (CAS 898773-69-8)
- Semaglutide impurity 63 (CAS CATO-C4X-222663)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com