3-Isocyanato-3-methyloxetane CAS 1260666-69-0
| CAS No. | 1260666-69-0 |
| Molecular Formula | C5H7NO2 |
| Molecular Weight | 113.11 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-Isocyanato-3-methyloxetane (CAS 1260666-69-0) is a high-purity analytical reference standard with the molecular formula C5H7NO2 and a molecular weight of 113.11 g/mol.
Based on its molecular formula C5H7NO2, 3-Isocyanato-3-methyloxetane contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 113.11 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.
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-Isocyanato-3-methyloxetane 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 | C5H7NO2 |
| Molecular Weight | 113.11 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1990 |
| Nitrogen Atoms | 1 |
Related Isocyanato Standards
- 1-Isocyanato-2,2-dimethylpropane (CAS 15592-29-7)
- 1-Isocyanato-3-methylbutane (CAS 1611-65-0)
- 2-isocyanato-2-methylbutane (CAS 1612-71-1)
- 2-isocyanato-3-methylbutane (CAS 42514-42-1)
- 2-isocyanato-1,1-dimethylcyclopropane (CAS 1343804-58-9)
- 2-Isocyanato-1-methoxypropane (CAS 1340303-93-6)
- 1-Isocyanato-3-methoxy-propane 3-Methoxypropyl isocyanate 7019-13-8 (CAS 7019-13-8)
- 2-Isocyanato-2-methylpropanenitrile (CAS 52161-43-0)
Recommended Standards
- (4-Methyloxazol-2-yl)methanol (CAS 1240603-14-8)
- 3-Oxocyclobutane-1-carboxamide (CAS 1261999-31-8)
- 4-Oxa-6-azaspiro[2.4]heptan-5-one (CAS 1238704-57-8)
- N-Methoxy-N-methylpropiolamide (CAS 130250-60-1)
- 2-Chloro-N-(2-methoxy-5-methylphenyl)acetamide (CAS 85817-61-4)
- 7-Methyl-2-azaspiro[4.5]Decan-3-one (CAS 1494096-61-5)
- 2,5,8-trichloroquinazoline (CAS 67092-22-2)
- Gabapentin Impurity 8 HCl (CAS 1083246-63-2)
- 4-Chloro-2-(5-chloro-2,3-dihydro-1,3-benzothiazol-2-ylidene)-3-oxobutanenitrile (CAS 1000931-79-2)
- 3-Benzylpentanoic acid (CAS 35237-29-7)
- N-(1,1-Dioxidotetrahydrothiophen-3-yl)-N-methyl-5-((o-tolyloxy)methyl)furan-2-carboxamide (CAS 951900-93-9)
- Ethyl 4-hydroxythiophene-3-carboxylate (CAS 1006-44-6)
- Methyl 3-amino-4-(4-methyl-1h-pyrazol-1-yl)benzoate (CAS 1291529-53-7)
- Neuropeptide Y (1-24) amide (human, rat) (CAS 131448-51-6)
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