3-(Chloromethyl)-2,2-dimethyloxirane CAS 79457-63-9
| CAS No. | 79457-63-9 |
| Molecular Formula | C5H9ClO |
| Molecular Weight | 120.58 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 3-(Chloromethyl)-2,2-dimethyloxirane.
3-(Chloromethyl)-2,2-dimethyloxirane (CAS 79457-63-9) is a high-purity analytical reference standard with the molecular formula C5H9ClO and a molecular weight of 120.58 g/mol.
Structurally, 3-(Chloromethyl)-2,2-dimethyloxirane (C5H9ClO) contains a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 1.0, corresponding to approximately 1 ring(s) or double-bond equivalent(s). With a molecular weight of 120.58 g/mol, it falls into the low-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
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.
As a certified reference material (CRM), 3-(Chloromethyl)-2,2-dimethyloxirane 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 | C5H9ClO |
| Molecular Weight | 120.58 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | Stable under recommended storage conditions |
| Degree of Unsaturation (DBE) | 1.0 |
| CAS Registry Year (est.) | 1979 |
| Halogen Content | Cl-containing |
Related Chloromethyl Standards
- 4-(chloromethyl)-1H-pyrazole (CAS 187097-22-9)
- 2-(Chloromethyl)-2-ethyloxirane (CAS 75484-32-1)
- 2-(Chloromethyl)tetrahydrofuran (CAS 3003-84-7)
- 3-(chloromethyl)-1H-pyrazole (CAS 23784-89-6)
- 3-(Chloromethyl)-3-methyloxetane (CAS 822-48-0)
- 3-(Chloromethyl)tetrahydrofuran (CAS 89181-22-6)
- (R)-3-(chloromethyl)pyrrolidine (CAS 1187927-17-8)
- (S)-3-(Chloromethyl)pyrrolidine (CAS 1187931-91-4)
Recommended Standards
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