(7aR)-3-(Trichloromethyl)tetrahydropyrrolo[1,2-c]oxazol-1(3H)-one CAS 1263774-42-0
| CAS No. | 1263774-42-0 |
| Molecular Formula | C7H8Cl3NO2 |
| Molecular Weight | 244.50 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.
CATO supplies (7aR)-3-(Trichloromethyl)tetrahydropyrrolo[1,2-c]oxazol-1(3H)-one (CAS 1263774-42-0), a certified reference material (molecular formula C7H8Cl3NO2, MW 244.50 g/mol) for analytical method development and quality control.
Structurally, (7aR)-3-(Trichloromethyl)tetrahydropyrrolo[1,2-c]oxazol-1(3H)-one (C7H8Cl3NO2) contains an amide group, a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 3.0, corresponding to approximately 3 ring(s) or double-bond equivalent(s). With a molecular weight of 244.50 g/mol, it falls into the medium-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
CATO manufactures (7aR)-3-(Trichloromethyl)tetrahydropyrrolo[1,2-c]oxazol-1(3H)-one under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C7H8Cl3NO2 |
| Molecular Weight | 244.50 g/mol |
| Appearance | 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 methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1990 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
Related aR Standards
- 3-(Trichloromethyl)tetrahydro-1H,3H-pyrrolo[1,2-c]oxazol-1-one (CAS 118916-60-2)
- 4-(Trichloromethyl)cinnoline (CAS 80334-73-2)
- 6-(Trichloromethyl)-2,3-dihydro-1h-inden-1-one (CAS 2007915-92-4)
- 6-(Trichloromethyl)-5H-purine (CAS 2568-37-8)
- 2-(Trichloromethyl)-1H-benzimidazole (CAS 3584-65-4)
- 1-(4-(Trichloromethyl)pyrimidin-2-yl)guanidine (CAS 380305-28-2)
- 4-(Trichloromethyl)benzoyl chloride (CAS 14815-86-2)
- [(Trichloromethyl)sulfonyl]benzene (CAS 42764-08-9)
Recommended Standards
- (3S,7aR)-3-(trichloromethyl)tetrahydro-1H,3H-pyrrolo[1,2-c]oxazol-1-one (CAS 1330286-50-4)
- Tetradecyloxysilane (CAS 18845-54-0)
- (3R,7aS)-3-(Trichloromethyl)tetrahydropyrrolo[1,2-c]oxazol-1(3H)-one (CAS 97538-67-5)
- 8-Bromo-3-chloropyrido[2,3-b]pyrazine (CAS 2306263-48-7)
- Ethyl 4-chloro-6-methoxy-5-nitronicotinate (CAS 1210835-76-9)
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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