3-(5-Chloro-2-methylphenyl)-1,3,4-oxadiazol-2(3H)-one CAS 64890-65-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 64890-65-9 |
| Molecular Formula | C9H7ClN2O2 |
| Molecular Weight | 210.62 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-(5-Chloro-2-methylphenyl)-1,3,4-oxadiazol-2(3H)-one (CAS 64890-65-9) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C9H7ClN2O2. Molecular weight: 210.62 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C9H7ClN2O2 |
| Molecular Weight | 210.62 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor) |
| 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1975 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
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Recommended Standards
- 3-(4-Chlorophenyl)-2,4-imidazolidinedione (CAS 56012-06-7)
- 3-[5-(Chloromethyl)-1,3,4-oxadiazol-2-yl]phenol (CAS 954586-78-8)
- 3-(3-Chlorophenyl)-2,4-imidazolidinedione (CAS 42351-76-8)
- 1-(5-Chloro-2-methoxyphenyl)pyrrolidine-2,5-dione (CAS 882081-26-7)
- 3-((tert-Butoxycarbonyl)amino)hept-6-enoic acid (CAS 1335042-02-8)
- 3,5-Bis-trimethylsilanyl-benzoicacid (CAS 125973-55-9)
- 2-Hydroxybenzoic hypochlorous anhydride (CAS 54510-09-7)
- 4-Methyl-3-(pyrrolidin-1-yl)benzonitrile (CAS 1513149-33-1)
- (2-Methoxyphenyl)(phenyl)methanamine (CAS 55095-19-7)
- Eledoisin Related Peptide (CAS 2990-43-4)
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