2-(Chloromethyl)-5-(3,4-dichlorophenyl)-1,3,4-oxadiazole CAS 33575-81-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 33575-81-4 |
| Molecular Formula | C9H5Cl3N2O |
| Molecular Weight | 263.51 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 2-(Chloromethyl)-5-(3,4-dichlorophenyl)-1,3,4-oxadiazole (CAS 33575-81-4), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C9H5Cl3N2O. Molecular weight: 263.51 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C9H5Cl3N2O |
| Molecular Weight | 263.51 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor, low volatility) |
| 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.) | 1966 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
Related Chloromethyl Standards
- 2-(Chloromethyl)-5-(2,6-dichlorophenyl)-1,3,4-oxadiazole (CAS 1016503-65-3)
- 3-(Chloromethyl)-5-(2,3-dichlorophenyl)-1,2,4-oxadiazole (CAS 1039885-60-3)
- 5-(Chloromethyl)-3-(2,6-dichlorophenyl)-1,2,4-oxadiazole (CAS 117762-99-9)
- 5-(Chloromethyl)-3-(3,5-dichlorophenyl)-1,2,4-oxadiazole (CAS 1700115-36-1)
- 2-(Chloromethyl)-5-(2,4-dichlorophenyl)-1,3,4-oxadiazole (CAS 183368-35-6)
- 3-(Chloromethyl)-5-(3,4-dichlorophenyl)-1,2,4-oxadiazole (CAS 287917-57-1)
- 5-(Chloromethyl)-3-(2,4-dichlorophenyl)-1,2,4-oxadiazole (CAS 406193-97-3)
- 2-(Chloromethyl)-4,6-bis(trifluoromethyl)pyridine (CAS 1196152-91-6)
Recommended Standards
- 2-(Trichloromethyl)-3,4-dihydroquinazolin-4-one (CAS 5558-95-2)
- 2,4,6-Trichloro-7-methoxyquinazoline (CAS 79025-79-9)
- 2,2,2-Trichloro-1-(1H-pyrrolo[2,3-b]pyridin-3-yl)ethanone (CAS 163220-69-7)
- 9,9-Dimethyl-2,7-bis[N-(1-naphthyl)-N-phenylamino]fluorene (CAS 222319-05-3)
- (5-Chloro-2-hydroxy-1,3-phenylene)dimethanol (CAS 17026-49-2)
- 3-Bromo-2-(difluoromethyl)-6-methoxypyridin-4-amine (CAS 1805288-19-0)
- Ethyl 5-(4-methoxyphenyl)thiophene-2-carboxylate (CAS 13858-71-4)
- 6-nitro-1H,2H,3H,4H-pyrrolo[2,1-f][1,2,4]triazine-2,4-dione (CAS 1245644-73-8)
- Ethyl 4-(3-methylisoxazole-5-carboxamido)benzoate (CAS 62536-29-2)
- Pancreatic Polypeptide (1-17)-(Ala31,Aib32)-Neuropeptide Y (18-36) (human) trifluoroacetate salt (CAS 313988-70-4)
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 13829788188 / jacky.chen@cato-chem.com