(2r)-2-(Tert-butoxycarbonylamino)-2-(3,3-difluorocyclobutyl)aceticacid CAS 2231663-53-7
| CAS No. | 2231663-53-7 |
| Molecular Formula | C11H17F2NO4 |
| Molecular Weight | 265.25 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 (2r)-2-(Tert-butoxycarbonylamino)-2-(3,3-difluorocyclobutyl)aceticacid.
(2r)-2-(Tert-butoxycarbonylamino)-2-(3,3-difluorocyclobutyl)aceticacid (CAS 2231663-53-7) is a high-purity analytical reference standard with the molecular formula C11H17F2NO4 and a molecular weight of 265.25 g/mol.
Structurally, (2r)-2-(Tert-butoxycarbonylamino)-2-(3,3-difluorocyclobutyl)aceticacid (C11H17F2NO4) contains an amide group, a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine 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 265.25 g/mol, it falls into the medium-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), (2r)-2-(Tert-butoxycarbonylamino)-2-(3,3-difluorocyclobutyl)aceticacid 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 | C11H17F2NO4 |
| Molecular Weight | 265.25 g/mol |
| Appearance | White to pale yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1998 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 1 |
Recommended Standards
- 1-(tert-Butoxycarbonyl)-4,4-difluoro-5-methylpyrrolidine-2-carboxylic acid (CAS 1956306-70-9)
- (2R,4R)-1-(tert-Butoxycarbonyl)-4-(difluoromethyl)pyrrolidine-2-carboxylic acid (CAS 2301881-91-2)
- 1-{[(tert-butoxy)carbonyl]amino}-3,3-difluorocyclopentane-1-carboxylic acid (CAS 1936649-94-3)
- (2R,4S)-1-(tert-Butoxycarbonyl)-4-(difluoromethyl)pyrrolidine-2-carboxylic acid (CAS 2301881-92-3)
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