(S)-Ethyl 3-((tert-butoxycarbonyl)amino)-2,2-difluorohept-6-enoate CAS 1398507-67-9
| CAS No. | 1398507-67-9 |
| Molecular Formula | C14H23F2NO4 |
| Molecular Weight | 307.33 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.
(S)-Ethyl 3-((tert-butoxycarbonyl)amino)-2,2-difluorohept-6-enoate (CAS 1398507-67-9), molecular formula C14H23F2NO4 and molecular weight 307.33 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to an amide group, a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine substitution, (S)-Ethyl 3-((tert-butoxycarbonyl)amino)-2,2-difluorohept-6-enoate is typically white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 307.33 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
As a certified reference material (CRM), (S)-Ethyl 3-((tert-butoxycarbonyl)amino)-2,2-difluorohept-6-enoate 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 | C14H23F2NO4 |
| Molecular Weight | 307.33 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 |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| 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.) | 1991 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 1 |
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