5-benzyl-3-(chloromethyl)-1,2,4-oxadiazole CAS 52156-51-1
| CAS No. | 52156-51-1 |
| Molecular Formula | C10H9ClN2O |
| Molecular Weight | 208.64 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
5-benzyl-3-(chloromethyl)-1,2,4-oxadiazole (CAS 52156-51-1), molecular formula C10H9ClN2O and molecular weight 208.64 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C10H9ClN2O, 5-benzyl-3-(chloromethyl)-1,2,4-oxadiazole contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 208.64 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
As a certified reference material (CRM), 5-benzyl-3-(chloromethyl)-1,2,4-oxadiazole 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 | C10H9ClN2O |
| Molecular Weight | 208.64 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 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.) | 1971 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
Related benzyl Standards
- 2-(Chloromethyl)-6-methoxyquinazoline (CAS 1936095-76-9)
- 1-((chloromethyl)sulfonyl)-3-fluorobenzene (CAS 633305-40-5)
- 2-(chloromethyl)-3-methylquinazolin-4(3H)-one (CAS 199114-62-0)
- 2-(chloromethyl)-5-(2-methylphenyl)-1,3,4-oxadiazole (CAS 36770-20-4)
- 2-(Chloromethyl)-5-(3-methylphenyl)-1,3,4-oxadiazole (CAS 24023-73-2)
- 2-(Chloromethyl)-5-(4-methylphenyl)-1,3,4-oxadiazole (CAS 287197-95-9)
- 2-(Chloromethyl)-6-methyl-4H-pyrido[1,2-a]pyrimidin-4-one (CAS 87591-74-0)
- 2-(Chloromethyl)-7-methyl-4H-pyrido[1,2-a]pyrimidin-4-one (CAS 87591-79-5)
Recommended Standards
- 5-Amino-2-chloro-6-methoxyquinoline (CAS 42065-05-4)
- 5-Chloro-1,1a,6,6a-tetrahydrocyclopropa[a]indene-1-carboxylic acid (CAS 2044773-47-7)
- 5-(Chloromethyl)-3-(4-methylphenyl)-1,2,4-oxadiazole (CAS 50737-29-6)
- 5-Chloro-2-(3-methoxyphenyl)-1H-imidazole (CAS 679412-66-9)
- N-(2-(5-Phenyl-1,2,4-oxadiazol-3-yl)phenyl)benzamide (CAS 29368-93-2)
- 3-(4-(4-Fluorophenyl)piperidin-1-yl)propan-1-amine (CAS 245046-55-3)
- N-(2-Chloro-phenyl)-2-(4-ethyl-5-mercapto-4H-[1,2,4]triazol-3-yl)-acetamide (CAS 879610-06-7)
- Diclofenac impurity f (CAS 124426-56-8)
- 5,7-Dimethyl-3-(((pyridin-3-ylmethyl)amino)methyl)quinolin-2(1H)-one (CAS 462068-06-0)
- [Methyl-(1-methyl-piperidin-4-yl)-amino]-acetic acid (CAS 876710-43-9)
- Upadacitinib Impurity 197 (CAS CATO-C4X-2405197)
- H-Orn(Z)-OMe · HCl (CAS 5874-75-9)
- 3-(2-Chlorophenyl)-3-fluoropyrrolidine hydrochloride (CAS 1803600-84-1)
- Palmitoyl Hexapeptide-12 TFA salt (CAS 171263-26-6(Free Base))
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