Benzyl (4-(3-chloro-5-ethynyl-4-fluorophenyl)butyl)carbamate CAS 1427039-32-4
| CAS No. | 1427039-32-4 |
| Molecular Formula | C20H19ClFNO2 |
| Molecular Weight | 359.82 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), Benzyl (4-(3-chloro-5-ethynyl-4-fluorophenyl)butyl)carbamate 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.
Benzyl (4-(3-chloro-5-ethynyl-4-fluorophenyl)butyl)carbamate (CAS 1427039-32-4), molecular formula C20H19ClFNO2 and molecular weight 359.82 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, Benzyl (4-(3-chloro-5-ethynyl-4-fluorophenyl)butyl)carbamate (C20H19ClFNO2) contains a steroid core, an amide group, a hydroxyl group, an ether linkage, fluorine/chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 11.0, corresponding to approximately 11 ring(s) or double-bond equivalent(s). With a molecular weight of 359.82 g/mol, it falls into the moderately-high-molecular-weight range. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
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 | C20H19ClFNO2 |
| Molecular Weight | 359.82 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1991 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 1 |
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- 5-(Amino(phenyl)methyl)-1,3,4-thiadiazol-2-amine (CAS 1227465-55-5)
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- 4-((2,5-Dimethylphenyl)thio)butan-2-one (CAS 1152837-72-3)
- T-Peptide (CAS 2022956-62-1)
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