3-chloro-3-methyl-oxetane CAS 1903143-40-7
| CAS No. | 1903143-40-7 |
| Molecular Formula | C4H7ClO |
| Molecular Weight | 106.55 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
3-chloro-3-methyl-oxetane (CAS 1903143-40-7), molecular formula C4H7ClO and molecular weight 106.55 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a hydroxyl group, an ether linkage, chlorine substitution, 3-chloro-3-methyl-oxetane is typically white to off-white liquid. Its solid-state physicochemical attributes — including a molecular weight of 106.55 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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.
Physical & Chemical Properties
| Molecular Formula | C4H7ClO |
| Molecular Weight | 106.55 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.) | 1995 |
| Halogen Content | Cl-containing |
Related chloro Standards
- (S)-4-chloro-1,2-epoxybutane (CAS 13067-79-3)
- 4-Chloro-1H-pyrazole (CAS 15878-00-9)
- 2-Chloro-1<I>H</I>-imidazole (CAS 16265-04-6)
- (S)-4-Chloro-1,2-epoxybutane (CAS 948594-94-3)
- 1-Chloro-2-butanone (CAS 616-27-3)
- 1-Chloro-2-ethoxyethene (CAS 928-56-3)
- 1-Chloro-3-Methoxy-1-Propene (CAS 2806-79-3)
- 3-Chloro-2-butanone (CAS 4091-39-8)
Recommended Standards
- (E)-4-Chlorobut-2-en-1-ol (CAS 1775-39-9)
- (2-Chlorocyclopropyl)methanol (CAS 89723-51-3)
- trans-3-Chlorocyclobutan-1-ol (CAS 152713-95-6)
- 2-Chlorotetrahydrofuran (CAS 13369-70-5)
- 1-2-O-Isopropylidene-α-D-xylofuranuronic acid (CAS 35522-89-5)
- n,n-Diethyl-5-methyl-4-oxo-2-(pyridin-2-yl)-3,4-dihydrothieno[2,3-d]pyrimidine-6-carboxamide (CAS 745035-26-1)
- Fmoc-D-Gln(Trt)-Aib-OH (CAS CATO-CPTD788777)
- N-[(4-aminophenyl)methyl]-4-bromobenzamide (CAS 1175834-19-1)
- 2-(chloromethyl)-5-methylpyrimidine (CAS 126504-85-6)
- [(4-Methoxyphenyl)(2-morpholin-4-yl-2-oxoethyl)-amino]acetic acid (CAS 1142205-62-6)
- Tert-butyl (S)-5-methyl-2,7-diazaspiro[3.5]Nonane-2-carboxylate (CAS 2306254-90-8)
- 5-Acetyl-2-aminopyrimidin-4(1H)-one (CAS 81633-28-5)
- N,N-diisobutyl-3-methylbutanamide (CAS 14313-90-7)
- Semaglutide Impurity 186 (CAS CATO-C4X-2226186)
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